mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-27 23:02:20 +00:00
3130 lines
112 KiB
C++
3130 lines
112 KiB
C++
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsBaseWidget.h"
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#include <utility>
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#include "GLConsts.h"
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#include "InputData.h"
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#include "LiveResizeListener.h"
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#include "TouchEvents.h"
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#include "WritingModes.h"
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#include "X11UndefineNone.h"
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#include "base/thread.h"
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#include "mozilla/ArrayUtils.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/GlobalKeyListener.h"
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#include "mozilla/IMEStateManager.h"
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#include "mozilla/MouseEvents.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/PresShell.h"
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#include "mozilla/Sprintf.h"
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#include "mozilla/StaticPrefs_apz.h"
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#include "mozilla/StaticPrefs_dom.h"
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#include "mozilla/StaticPrefs_gfx.h"
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#include "mozilla/StaticPrefs_layers.h"
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#include "mozilla/StaticPrefs_layout.h"
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#include "mozilla/TextEventDispatcher.h"
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#include "mozilla/TextEventDispatcherListener.h"
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#include "mozilla/UniquePtr.h"
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#include "mozilla/Unused.h"
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#include "mozilla/VsyncDispatcher.h"
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#include "mozilla/dom/BrowserParent.h"
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/dom/Document.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/gfx/GPUProcessManager.h"
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#include "mozilla/gfx/gfxVars.h"
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#include "mozilla/layers/APZCCallbackHelper.h"
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#include "mozilla/layers/APZEventState.h"
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#include "mozilla/layers/APZInputBridge.h"
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#include "mozilla/layers/APZThreadUtils.h"
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#include "mozilla/layers/ChromeProcessController.h"
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#include "mozilla/layers/Compositor.h"
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#include "mozilla/layers/CompositorBridgeChild.h"
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#include "mozilla/layers/CompositorBridgeParent.h"
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#include "mozilla/layers/CompositorOptions.h"
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#include "mozilla/layers/IAPZCTreeManager.h"
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#include "mozilla/layers/ImageBridgeChild.h"
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#include "mozilla/layers/InputAPZContext.h"
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#include "mozilla/layers/WebRenderLayerManager.h"
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#include "mozilla/webrender/WebRenderTypes.h"
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#include "nsAppDirectoryServiceDefs.h"
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#include "nsCOMPtr.h"
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#include "nsContentUtils.h"
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#include "nsDeviceContext.h"
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#include "nsGfxCIID.h"
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#include "nsIAppWindow.h"
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#include "nsIBaseWindow.h"
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#include "nsIContent.h"
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#include "nsIScreenManager.h"
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#include "nsISimpleEnumerator.h"
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#include "nsIWidgetListener.h"
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#include "nsRefPtrHashtable.h"
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#include "nsServiceManagerUtils.h"
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#include "nsWidgetsCID.h"
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#include "nsXULPopupManager.h"
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#include "prdtoa.h"
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#include "prenv.h"
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#ifdef ACCESSIBILITY
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# include "nsAccessibilityService.h"
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#endif
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#include "gfxConfig.h"
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#include "gfxUtils.h" // for ToDeviceColor
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#include "mozilla/layers/CompositorSession.h"
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#include "VRManagerChild.h"
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#include "gfxConfig.h"
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#include "nsView.h"
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#include "nsViewManager.h"
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#ifdef DEBUG
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# include "nsIObserver.h"
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static void debug_RegisterPrefCallbacks();
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#endif
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#ifdef NOISY_WIDGET_LEAKS
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static int32_t gNumWidgets;
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#endif
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#ifdef XP_MACOSX
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# include "nsCocoaFeatures.h"
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#endif
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nsIRollupListener* nsBaseWidget::gRollupListener = nullptr;
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using namespace mozilla::dom;
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using namespace mozilla::layers;
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using namespace mozilla::ipc;
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using namespace mozilla::widget;
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using namespace mozilla;
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// Async pump timer during injected long touch taps
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#define TOUCH_INJECT_PUMP_TIMER_MSEC 50
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#define TOUCH_INJECT_LONG_TAP_DEFAULT_MSEC 1500
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int32_t nsIWidget::sPointerIdCounter = 0;
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// Some statics from nsIWidget.h
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/*static*/
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uint64_t AutoObserverNotifier::sObserverId = 0;
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/*static*/ nsTHashMap<uint64_t, nsCOMPtr<nsIObserver>>
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AutoObserverNotifier::sSavedObservers;
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// The maximum amount of time to let the EnableDragDrop runnable wait in the
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// idle queue before timing out and moving it to the regular queue. Value is in
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// milliseconds.
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const uint32_t kAsyncDragDropTimeout = 1000;
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namespace mozilla::widget {
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void IMENotification::SelectionChangeDataBase::SetWritingMode(
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const WritingMode& aWritingMode) {
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mWritingMode = aWritingMode.mWritingMode.bits;
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}
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WritingMode IMENotification::SelectionChangeDataBase::GetWritingMode() const {
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return WritingMode(mWritingMode);
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}
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} // namespace mozilla::widget
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NS_IMPL_ISUPPORTS(nsBaseWidget, nsIWidget, nsISupportsWeakReference)
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//-------------------------------------------------------------------------
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//
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// nsBaseWidget constructor
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//
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//-------------------------------------------------------------------------
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nsBaseWidget::nsBaseWidget()
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: mWidgetListener(nullptr),
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mAttachedWidgetListener(nullptr),
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mPreviouslyAttachedWidgetListener(nullptr),
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mCompositorVsyncDispatcher(nullptr),
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mBorderStyle(eBorderStyle_none),
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mBounds(0, 0, 0, 0),
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mOriginalBounds(nullptr),
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mSizeMode(nsSizeMode_Normal),
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mIsTiled(false),
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mPopupLevel(ePopupLevelTop),
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mPopupType(ePopupTypeAny),
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mHasRemoteContent(false),
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mFissionWindow(false),
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mUpdateCursor(true),
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mUseAttachedEvents(false),
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mIMEHasFocus(false),
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mIMEHasQuit(false),
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mIsFullyOccluded(false) {
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#ifdef NOISY_WIDGET_LEAKS
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gNumWidgets++;
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printf("WIDGETS+ = %d\n", gNumWidgets);
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#endif
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#ifdef DEBUG
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debug_RegisterPrefCallbacks();
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#endif
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mShutdownObserver = new WidgetShutdownObserver(this);
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}
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NS_IMPL_ISUPPORTS(WidgetShutdownObserver, nsIObserver)
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WidgetShutdownObserver::WidgetShutdownObserver(nsBaseWidget* aWidget)
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: mWidget(aWidget), mRegistered(false) {
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Register();
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}
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WidgetShutdownObserver::~WidgetShutdownObserver() {
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// No need to call Unregister(), we can't be destroyed until nsBaseWidget
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// gets torn down. The observer service and nsBaseWidget have a ref on us
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// so nsBaseWidget has to call Unregister and then clear its ref.
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}
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NS_IMETHODIMP
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WidgetShutdownObserver::Observe(nsISupports* aSubject, const char* aTopic,
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const char16_t* aData) {
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if (!mWidget) {
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return NS_OK;
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}
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if (!strcmp(aTopic, NS_XPCOM_SHUTDOWN_OBSERVER_ID)) {
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RefPtr<nsBaseWidget> widget(mWidget);
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widget->Shutdown();
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} else if (!strcmp(aTopic, "quit-application")) {
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RefPtr<nsBaseWidget> widget(mWidget);
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widget->QuitIME();
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}
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return NS_OK;
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}
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void WidgetShutdownObserver::Register() {
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if (!mRegistered) {
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mRegistered = true;
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nsContentUtils::RegisterShutdownObserver(this);
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#ifndef MOZ_WIDGET_ANDROID
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// The primary purpose of observing quit-application is
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// to avoid leaking a widget on Windows when nothing else
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// breaks the circular reference between the widget and
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// TSFTextStore. However, our Android IME code crashes if
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// doing this on Android, so let's not do this on Android.
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// Doing this on Gtk and Mac just in case.
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nsCOMPtr<nsIObserverService> observerService =
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mozilla::services::GetObserverService();
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if (observerService) {
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observerService->AddObserver(this, "quit-application", false);
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}
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#endif
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}
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}
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void WidgetShutdownObserver::Unregister() {
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if (mRegistered) {
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mWidget = nullptr;
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#ifndef MOZ_WIDGET_ANDROID
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nsCOMPtr<nsIObserverService> observerService =
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mozilla::services::GetObserverService();
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if (observerService) {
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observerService->RemoveObserver(this, "quit-application");
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}
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#endif
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nsContentUtils::UnregisterShutdownObserver(this);
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mRegistered = false;
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}
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}
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#define INTL_APP_LOCALES_CHANGED "intl:app-locales-changed"
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#define L10N_PSEUDO_PREF "intl.l10n.pseudo"
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static const char* kObservedPrefs[] = {L10N_PSEUDO_PREF, nullptr};
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NS_IMPL_ISUPPORTS(LocalesChangedObserver, nsIObserver)
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LocalesChangedObserver::LocalesChangedObserver(nsBaseWidget* aWidget)
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: mWidget(aWidget), mRegistered(false) {
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Register();
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}
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LocalesChangedObserver::~LocalesChangedObserver() {
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// No need to call Unregister(), we can't be destroyed until nsBaseWidget
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// gets torn down. The observer service and nsBaseWidget have a ref on us
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// so nsBaseWidget has to call Unregister and then clear its ref.
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}
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NS_IMETHODIMP
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LocalesChangedObserver::Observe(nsISupports* aSubject, const char* aTopic,
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const char16_t* aData) {
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if (!mWidget) {
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return NS_OK;
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}
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if (!strcmp(aTopic, INTL_APP_LOCALES_CHANGED)) {
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RefPtr<nsBaseWidget> widget(mWidget);
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widget->LocalesChanged();
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} else {
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MOZ_ASSERT(!strcmp("nsPref:changed", aTopic));
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nsDependentString pref(aData);
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if (pref.EqualsLiteral(L10N_PSEUDO_PREF)) {
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RefPtr<nsBaseWidget> widget(mWidget);
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widget->LocalesChanged();
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}
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}
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return NS_OK;
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}
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void LocalesChangedObserver::Register() {
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if (mRegistered) {
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return;
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}
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DebugOnly<nsresult> rv =
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Preferences::AddStrongObservers(this, kObservedPrefs);
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MOZ_ASSERT(NS_SUCCEEDED(rv), "Adding observers failed.");
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nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
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if (obs) {
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obs->AddObserver(this, INTL_APP_LOCALES_CHANGED, true);
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}
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// Locale might be update before registering
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RefPtr<nsBaseWidget> widget(mWidget);
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widget->LocalesChanged();
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mRegistered = true;
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}
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void LocalesChangedObserver::Unregister() {
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if (!mRegistered) {
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return;
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}
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nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
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if (obs) {
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obs->RemoveObserver(this, INTL_APP_LOCALES_CHANGED);
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}
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Preferences::RemoveObservers(this, kObservedPrefs);
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mWidget = nullptr;
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mRegistered = false;
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}
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void nsBaseWidget::Shutdown() {
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NotifyLiveResizeStopped();
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RevokeTransactionIdAllocator();
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DestroyCompositor();
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FreeLocalesChangedObserver();
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FreeShutdownObserver();
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}
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void nsBaseWidget::QuitIME() {
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IMEStateManager::WidgetOnQuit(this);
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this->mIMEHasQuit = true;
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}
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void nsBaseWidget::DestroyCompositor() {
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// We release this before releasing the compositor, since it may hold the
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// last reference to our ClientLayerManager. ClientLayerManager's dtor can
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// trigger a paint, creating a new compositor, and we don't want to re-use
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// the old vsync dispatcher.
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if (mCompositorVsyncDispatcher) {
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MOZ_ASSERT(mCompositorVsyncDispatcherLock.get());
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MutexAutoLock lock(*mCompositorVsyncDispatcherLock.get());
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mCompositorVsyncDispatcher->Shutdown();
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mCompositorVsyncDispatcher = nullptr;
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}
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// The compositor shutdown sequence looks like this:
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// 1. CompositorSession calls CompositorBridgeChild::Destroy.
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// 2. CompositorBridgeChild synchronously sends WillClose.
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// 3. CompositorBridgeParent releases some resources (such as the layer
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// manager, compositor, and widget).
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// 4. CompositorBridgeChild::Destroy returns.
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// 5. Asynchronously, CompositorBridgeParent::ActorDestroy will fire on the
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// compositor thread when the I/O thread closes the IPC channel.
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// 6. Step 5 will schedule DeferredDestroy on the compositor thread, which
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// releases the reference CompositorBridgeParent holds to itself.
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//
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// When CompositorSession::Shutdown returns, we assume the compositor is gone
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// or will be gone very soon.
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if (mCompositorSession) {
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ReleaseContentController();
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mAPZC = nullptr;
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SetCompositorWidgetDelegate(nullptr);
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mCompositorBridgeChild = nullptr;
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// XXX CompositorBridgeChild and CompositorBridgeParent might be re-created
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// in ClientLayerManager destructor. See bug 1133426.
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RefPtr<CompositorSession> session = std::move(mCompositorSession);
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session->Shutdown();
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}
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}
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// This prevents the layer manager from starting a new transaction during
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// shutdown.
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void nsBaseWidget::RevokeTransactionIdAllocator() {
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if (!mWindowRenderer || !mWindowRenderer->AsWebRender()) {
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return;
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}
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mWindowRenderer->AsWebRender()->SetTransactionIdAllocator(nullptr);
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}
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void nsBaseWidget::ReleaseContentController() {
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if (mRootContentController) {
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mRootContentController->Destroy();
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mRootContentController = nullptr;
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}
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}
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void nsBaseWidget::DestroyLayerManager() {
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if (mWindowRenderer) {
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mWindowRenderer->Destroy();
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mWindowRenderer = nullptr;
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}
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DestroyCompositor();
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}
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void nsBaseWidget::OnRenderingDeviceReset() { DestroyLayerManager(); }
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void nsBaseWidget::FreeShutdownObserver() {
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if (mShutdownObserver) {
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mShutdownObserver->Unregister();
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}
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mShutdownObserver = nullptr;
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}
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void nsBaseWidget::FreeLocalesChangedObserver() {
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if (mLocalesChangedObserver) {
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mLocalesChangedObserver->Unregister();
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}
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mLocalesChangedObserver = nullptr;
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}
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//-------------------------------------------------------------------------
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//
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// nsBaseWidget destructor
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//
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//-------------------------------------------------------------------------
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nsBaseWidget::~nsBaseWidget() {
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IMEStateManager::WidgetDestroyed(this);
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FreeLocalesChangedObserver();
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FreeShutdownObserver();
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RevokeTransactionIdAllocator();
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DestroyLayerManager();
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#ifdef NOISY_WIDGET_LEAKS
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gNumWidgets--;
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printf("WIDGETS- = %d\n", gNumWidgets);
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#endif
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delete mOriginalBounds;
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}
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//-------------------------------------------------------------------------
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//
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// Basic create.
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//
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//-------------------------------------------------------------------------
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void nsBaseWidget::BaseCreate(nsIWidget* aParent, nsWidgetInitData* aInitData) {
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// keep a reference to the device context
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if (nullptr != aInitData) {
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mWindowType = aInitData->mWindowType;
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mBorderStyle = aInitData->mBorderStyle;
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mPopupLevel = aInitData->mPopupLevel;
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mPopupType = aInitData->mPopupHint;
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mHasRemoteContent = aInitData->mHasRemoteContent;
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mFissionWindow = aInitData->mFissionWindow;
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}
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if (aParent) {
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aParent->AddChild(this);
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}
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}
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//-------------------------------------------------------------------------
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//
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// Accessor functions to get/set the client data
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//
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//-------------------------------------------------------------------------
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nsIWidgetListener* nsBaseWidget::GetWidgetListener() const {
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return mWidgetListener;
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}
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void nsBaseWidget::SetWidgetListener(nsIWidgetListener* aWidgetListener) {
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mWidgetListener = aWidgetListener;
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}
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already_AddRefed<nsIWidget> nsBaseWidget::CreateChild(
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const LayoutDeviceIntRect& aRect, nsWidgetInitData* aInitData,
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bool aForceUseIWidgetParent) {
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nsIWidget* parent = this;
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nsNativeWidget nativeParent = nullptr;
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if (!aForceUseIWidgetParent) {
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// Use only either parent or nativeParent, not both, to match
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// existing code. Eventually Create() should be divested of its
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// nativeWidget parameter.
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nativeParent = parent ? parent->GetNativeData(NS_NATIVE_WIDGET) : nullptr;
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parent = nativeParent ? nullptr : parent;
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MOZ_ASSERT(!parent || !nativeParent, "messed up logic");
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}
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nsCOMPtr<nsIWidget> widget;
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if (aInitData && aInitData->mWindowType == eWindowType_popup) {
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widget = AllocateChildPopupWidget();
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} else {
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widget = nsIWidget::CreateChildWindow();
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}
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if (widget &&
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NS_SUCCEEDED(widget->Create(parent, nativeParent, aRect, aInitData))) {
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return widget.forget();
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}
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return nullptr;
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}
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// Attach a view to our widget which we'll send events to.
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void nsBaseWidget::AttachViewToTopLevel(bool aUseAttachedEvents) {
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NS_ASSERTION((mWindowType == eWindowType_toplevel ||
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mWindowType == eWindowType_dialog ||
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mWindowType == eWindowType_invisible ||
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mWindowType == eWindowType_child),
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"Can't attach to window of that type");
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mUseAttachedEvents = aUseAttachedEvents;
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}
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nsIWidgetListener* nsBaseWidget::GetAttachedWidgetListener() const {
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return mAttachedWidgetListener;
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}
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nsIWidgetListener* nsBaseWidget::GetPreviouslyAttachedWidgetListener() {
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return mPreviouslyAttachedWidgetListener;
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}
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void nsBaseWidget::SetPreviouslyAttachedWidgetListener(
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nsIWidgetListener* aListener) {
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mPreviouslyAttachedWidgetListener = aListener;
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}
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|
|
void nsBaseWidget::SetAttachedWidgetListener(nsIWidgetListener* aListener) {
|
|
mAttachedWidgetListener = aListener;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Close this nsBaseWidget
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
void nsBaseWidget::Destroy() {
|
|
// Just in case our parent is the only ref to us
|
|
nsCOMPtr<nsIWidget> kungFuDeathGrip(this);
|
|
// disconnect from the parent
|
|
nsIWidget* parent = GetParent();
|
|
if (parent) {
|
|
parent->RemoveChild(this);
|
|
}
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Get this nsBaseWidget parent
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
nsIWidget* nsBaseWidget::GetParent(void) { return nullptr; }
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Get this nsBaseWidget top level widget
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
nsIWidget* nsBaseWidget::GetTopLevelWidget() {
|
|
nsIWidget *topLevelWidget = nullptr, *widget = this;
|
|
while (widget) {
|
|
topLevelWidget = widget;
|
|
widget = widget->GetParent();
|
|
}
|
|
return topLevelWidget;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Get this nsBaseWidget's top (non-sheet) parent (if it's a sheet)
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
nsIWidget* nsBaseWidget::GetSheetWindowParent(void) { return nullptr; }
|
|
|
|
float nsBaseWidget::GetDPI() { return 96.0f; }
|
|
|
|
CSSToLayoutDeviceScale nsIWidget::GetDefaultScale() {
|
|
double devPixelsPerCSSPixel = StaticPrefs::layout_css_devPixelsPerPx();
|
|
|
|
if (devPixelsPerCSSPixel <= 0.0) {
|
|
devPixelsPerCSSPixel = GetDefaultScaleInternal();
|
|
}
|
|
|
|
return CSSToLayoutDeviceScale(devPixelsPerCSSPixel);
|
|
}
|
|
|
|
nsIntSize nsIWidget::CustomCursorSize(const Cursor& aCursor) {
|
|
MOZ_ASSERT(aCursor.IsCustom());
|
|
int32_t width = 0;
|
|
int32_t height = 0;
|
|
aCursor.mContainer->GetWidth(&width);
|
|
aCursor.mContainer->GetHeight(&height);
|
|
aCursor.mResolution.ApplyTo(width, height);
|
|
return {width, height};
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Add a child to the list of children
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
void nsBaseWidget::AddChild(nsIWidget* aChild) {
|
|
MOZ_ASSERT(!aChild->GetNextSibling() && !aChild->GetPrevSibling(),
|
|
"aChild not properly removed from its old child list");
|
|
|
|
if (!mFirstChild) {
|
|
mFirstChild = mLastChild = aChild;
|
|
} else {
|
|
// append to the list
|
|
MOZ_ASSERT(mLastChild);
|
|
MOZ_ASSERT(!mLastChild->GetNextSibling());
|
|
mLastChild->SetNextSibling(aChild);
|
|
aChild->SetPrevSibling(mLastChild);
|
|
mLastChild = aChild;
|
|
}
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Remove a child from the list of children
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
void nsBaseWidget::RemoveChild(nsIWidget* aChild) {
|
|
#ifdef DEBUG
|
|
# ifdef XP_MACOSX
|
|
// nsCocoaWindow doesn't implement GetParent, so in that case parent will be
|
|
// null and we'll just have to do without this assertion.
|
|
nsIWidget* parent = aChild->GetParent();
|
|
NS_ASSERTION(!parent || parent == this, "Not one of our kids!");
|
|
# else
|
|
MOZ_RELEASE_ASSERT(aChild->GetParent() == this, "Not one of our kids!");
|
|
# endif
|
|
#endif
|
|
|
|
if (mLastChild == aChild) {
|
|
mLastChild = mLastChild->GetPrevSibling();
|
|
}
|
|
if (mFirstChild == aChild) {
|
|
mFirstChild = mFirstChild->GetNextSibling();
|
|
}
|
|
|
|
// Now remove from the list. Make sure that we pass ownership of the tail
|
|
// of the list correctly before we have aChild let go of it.
|
|
nsIWidget* prev = aChild->GetPrevSibling();
|
|
nsIWidget* next = aChild->GetNextSibling();
|
|
if (prev) {
|
|
prev->SetNextSibling(next);
|
|
}
|
|
if (next) {
|
|
next->SetPrevSibling(prev);
|
|
}
|
|
|
|
aChild->SetNextSibling(nullptr);
|
|
aChild->SetPrevSibling(nullptr);
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Sets widget's position within its parent's child list.
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
void nsBaseWidget::SetZIndex(int32_t aZIndex) {
|
|
// Hold a ref to ourselves just in case, since we're going to remove
|
|
// from our parent.
|
|
nsCOMPtr<nsIWidget> kungFuDeathGrip(this);
|
|
|
|
mZIndex = aZIndex;
|
|
|
|
// reorder this child in its parent's list.
|
|
auto* parent = static_cast<nsBaseWidget*>(GetParent());
|
|
if (parent) {
|
|
parent->RemoveChild(this);
|
|
// Scope sib outside the for loop so we can check it afterward
|
|
nsIWidget* sib = parent->GetFirstChild();
|
|
for (; sib; sib = sib->GetNextSibling()) {
|
|
int32_t childZIndex = GetZIndex();
|
|
if (aZIndex < childZIndex) {
|
|
// Insert ourselves before sib
|
|
nsIWidget* prev = sib->GetPrevSibling();
|
|
mNextSibling = sib;
|
|
mPrevSibling = prev;
|
|
sib->SetPrevSibling(this);
|
|
if (prev) {
|
|
prev->SetNextSibling(this);
|
|
} else {
|
|
NS_ASSERTION(sib == parent->mFirstChild, "Broken child list");
|
|
// We've taken ownership of sib, so it's safe to have parent let
|
|
// go of it
|
|
parent->mFirstChild = this;
|
|
}
|
|
PlaceBehind(eZPlacementBelow, sib, false);
|
|
break;
|
|
}
|
|
}
|
|
// were we added to the list?
|
|
if (!sib) {
|
|
parent->AddChild(this);
|
|
}
|
|
}
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Maximize, minimize or restore the window. The BaseWidget implementation
|
|
// merely stores the state.
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
void nsBaseWidget::SetSizeMode(nsSizeMode aMode) {
|
|
MOZ_ASSERT(aMode == nsSizeMode_Normal || aMode == nsSizeMode_Minimized ||
|
|
aMode == nsSizeMode_Maximized || aMode == nsSizeMode_Fullscreen);
|
|
mSizeMode = aMode;
|
|
}
|
|
|
|
void nsBaseWidget::GetWorkspaceID(nsAString& workspaceID) {
|
|
workspaceID.Truncate();
|
|
}
|
|
|
|
void nsBaseWidget::MoveToWorkspace(const nsAString& workspaceID) {
|
|
// Noop.
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Get this component cursor
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
|
|
void nsBaseWidget::SetCursor(const Cursor& aCursor) { mCursor = aCursor; }
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Window transparency methods
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
|
|
void nsBaseWidget::SetTransparencyMode(nsTransparencyMode aMode) {}
|
|
|
|
nsTransparencyMode nsBaseWidget::GetTransparencyMode() {
|
|
return eTransparencyOpaque;
|
|
}
|
|
|
|
/* virtual */
|
|
void nsBaseWidget::PerformFullscreenTransition(FullscreenTransitionStage aStage,
|
|
uint16_t aDuration,
|
|
nsISupports* aData,
|
|
nsIRunnable* aCallback) {
|
|
MOZ_ASSERT_UNREACHABLE(
|
|
"Should never call PerformFullscreenTransition on nsBaseWidget");
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Put the window into full-screen mode
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
void nsBaseWidget::InfallibleMakeFullScreen(bool aFullScreen,
|
|
nsIScreen* aScreen) {
|
|
HideWindowChrome(aFullScreen);
|
|
|
|
if (aFullScreen) {
|
|
if (!mOriginalBounds) {
|
|
mOriginalBounds = new LayoutDeviceIntRect();
|
|
}
|
|
*mOriginalBounds = GetScreenBounds();
|
|
|
|
// Move to top-left corner of screen and size to the screen dimensions
|
|
nsCOMPtr<nsIScreen> screen = aScreen;
|
|
if (!screen) {
|
|
screen = GetWidgetScreen();
|
|
}
|
|
if (screen) {
|
|
int32_t left, top, width, height;
|
|
if (NS_SUCCEEDED(
|
|
screen->GetRectDisplayPix(&left, &top, &width, &height))) {
|
|
Resize(left, top, width, height, true);
|
|
}
|
|
}
|
|
} else if (mOriginalBounds) {
|
|
if (BoundsUseDesktopPixels()) {
|
|
DesktopRect deskRect = *mOriginalBounds / GetDesktopToDeviceScale();
|
|
Resize(deskRect.X(), deskRect.Y(), deskRect.Width(), deskRect.Height(),
|
|
true);
|
|
} else {
|
|
Resize(mOriginalBounds->X(), mOriginalBounds->Y(),
|
|
mOriginalBounds->Width(), mOriginalBounds->Height(), true);
|
|
}
|
|
}
|
|
}
|
|
|
|
nsresult nsBaseWidget::MakeFullScreen(bool aFullScreen, nsIScreen* aScreen) {
|
|
InfallibleMakeFullScreen(aFullScreen, aScreen);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsBaseWidget::AutoLayerManagerSetup::AutoLayerManagerSetup(
|
|
nsBaseWidget* aWidget, gfxContext* aTarget, BufferMode aDoubleBuffering)
|
|
: mWidget(aWidget) {
|
|
WindowRenderer* renderer = mWidget->GetWindowRenderer();
|
|
if (renderer->AsFallback()) {
|
|
mRenderer = renderer->AsFallback();
|
|
mRenderer->SetTarget(aTarget, aDoubleBuffering);
|
|
}
|
|
}
|
|
|
|
nsBaseWidget::AutoLayerManagerSetup::~AutoLayerManagerSetup() {
|
|
if (mRenderer) {
|
|
mRenderer->SetTarget(nullptr, mozilla::layers::BufferMode::BUFFER_NONE);
|
|
}
|
|
}
|
|
|
|
bool nsBaseWidget::IsSmallPopup() const {
|
|
return mWindowType == eWindowType_popup && mPopupType != ePopupTypePanel;
|
|
}
|
|
|
|
bool nsBaseWidget::ComputeShouldAccelerate() {
|
|
return gfx::gfxConfig::IsEnabled(gfx::Feature::HW_COMPOSITING) &&
|
|
(WidgetTypeSupportsAcceleration() ||
|
|
StaticPrefs::gfx_webrender_unaccelerated_widget_force());
|
|
}
|
|
|
|
bool nsBaseWidget::UseAPZ() {
|
|
return (gfxPlatform::AsyncPanZoomEnabled() &&
|
|
(WindowType() == eWindowType_toplevel ||
|
|
WindowType() == eWindowType_child ||
|
|
((WindowType() == eWindowType_popup ||
|
|
WindowType() == eWindowType_dialog) &&
|
|
HasRemoteContent() && StaticPrefs::apz_popups_enabled())));
|
|
}
|
|
|
|
void nsBaseWidget::CreateCompositor() {
|
|
LayoutDeviceIntRect rect = GetBounds();
|
|
CreateCompositor(rect.Width(), rect.Height());
|
|
}
|
|
|
|
already_AddRefed<GeckoContentController>
|
|
nsBaseWidget::CreateRootContentController() {
|
|
RefPtr<GeckoContentController> controller =
|
|
new ChromeProcessController(this, mAPZEventState, mAPZC);
|
|
return controller.forget();
|
|
}
|
|
|
|
void nsBaseWidget::ConfigureAPZCTreeManager() {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(mAPZC);
|
|
|
|
ConfigureAPZControllerThread();
|
|
|
|
float dpi = GetDPI();
|
|
// On Android the main thread is not the controller thread
|
|
APZThreadUtils::RunOnControllerThread(
|
|
NewRunnableMethod<float>("layers::IAPZCTreeManager::SetDPI", mAPZC,
|
|
&IAPZCTreeManager::SetDPI, dpi));
|
|
|
|
if (StaticPrefs::apz_keyboard_enabled_AtStartup()) {
|
|
KeyboardMap map = RootWindowGlobalKeyListener::CollectKeyboardShortcuts();
|
|
// On Android the main thread is not the controller thread
|
|
APZThreadUtils::RunOnControllerThread(NewRunnableMethod<KeyboardMap>(
|
|
"layers::IAPZCTreeManager::SetKeyboardMap", mAPZC,
|
|
&IAPZCTreeManager::SetKeyboardMap, map));
|
|
}
|
|
|
|
RefPtr<IAPZCTreeManager> treeManager = mAPZC; // for capture by the lambdas
|
|
|
|
ContentReceivedInputBlockCallback callback(
|
|
[treeManager](uint64_t aInputBlockId, bool aPreventDefault) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
APZThreadUtils::RunOnControllerThread(NewRunnableMethod<uint64_t, bool>(
|
|
"layers::IAPZCTreeManager::ContentReceivedInputBlock", treeManager,
|
|
&IAPZCTreeManager::ContentReceivedInputBlock, aInputBlockId,
|
|
aPreventDefault));
|
|
});
|
|
mAPZEventState = new APZEventState(this, std::move(callback));
|
|
|
|
mSetAllowedTouchBehaviorCallback =
|
|
[treeManager](uint64_t aInputBlockId,
|
|
const nsTArray<TouchBehaviorFlags>& aFlags) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
APZThreadUtils::RunOnControllerThread(
|
|
NewRunnableMethod<
|
|
uint64_t, StoreCopyPassByLRef<nsTArray<TouchBehaviorFlags>>>(
|
|
"layers::IAPZCTreeManager::SetAllowedTouchBehavior",
|
|
treeManager, &IAPZCTreeManager::SetAllowedTouchBehavior,
|
|
aInputBlockId, aFlags.Clone()));
|
|
};
|
|
|
|
mRootContentController = CreateRootContentController();
|
|
if (mRootContentController) {
|
|
mCompositorSession->SetContentController(mRootContentController);
|
|
}
|
|
|
|
// When APZ is enabled, we can actually enable raw touch events because we
|
|
// have code that can deal with them properly. If APZ is not enabled, this
|
|
// function doesn't get called.
|
|
if (StaticPrefs::dom_w3c_touch_events_enabled()) {
|
|
RegisterTouchWindow();
|
|
}
|
|
}
|
|
|
|
void nsBaseWidget::ConfigureAPZControllerThread() {
|
|
// By default the controller thread is the main thread.
|
|
APZThreadUtils::SetControllerThread(NS_GetCurrentThread());
|
|
}
|
|
|
|
void nsBaseWidget::SetConfirmedTargetAPZC(
|
|
uint64_t aInputBlockId,
|
|
const nsTArray<ScrollableLayerGuid>& aTargets) const {
|
|
APZThreadUtils::RunOnControllerThread(
|
|
NewRunnableMethod<uint64_t,
|
|
StoreCopyPassByRRef<nsTArray<ScrollableLayerGuid>>>(
|
|
"layers::IAPZCTreeManager::SetTargetAPZC", mAPZC,
|
|
&IAPZCTreeManager::SetTargetAPZC, aInputBlockId, aTargets.Clone()));
|
|
}
|
|
|
|
void nsBaseWidget::UpdateZoomConstraints(
|
|
const uint32_t& aPresShellId, const ScrollableLayerGuid::ViewID& aViewId,
|
|
const Maybe<ZoomConstraints>& aConstraints) {
|
|
if (!mCompositorSession || !mAPZC) {
|
|
if (mInitialZoomConstraints) {
|
|
MOZ_ASSERT(mInitialZoomConstraints->mPresShellID == aPresShellId);
|
|
MOZ_ASSERT(mInitialZoomConstraints->mViewID == aViewId);
|
|
if (!aConstraints) {
|
|
mInitialZoomConstraints.reset();
|
|
}
|
|
}
|
|
|
|
if (aConstraints) {
|
|
// We have some constraints, but the compositor and APZC aren't created
|
|
// yet. Save these so we can use them later.
|
|
mInitialZoomConstraints = Some(
|
|
InitialZoomConstraints(aPresShellId, aViewId, aConstraints.ref()));
|
|
}
|
|
return;
|
|
}
|
|
LayersId layersId = mCompositorSession->RootLayerTreeId();
|
|
mAPZC->UpdateZoomConstraints(
|
|
ScrollableLayerGuid(layersId, aPresShellId, aViewId), aConstraints);
|
|
}
|
|
|
|
bool nsBaseWidget::AsyncPanZoomEnabled() const { return !!mAPZC; }
|
|
|
|
nsEventStatus nsBaseWidget::ProcessUntransformedAPZEvent(
|
|
WidgetInputEvent* aEvent, const APZEventResult& aApzResult) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
ScrollableLayerGuid targetGuid = aApzResult.mTargetGuid;
|
|
uint64_t inputBlockId = aApzResult.mInputBlockId;
|
|
InputAPZContext context(aApzResult.mTargetGuid, inputBlockId,
|
|
aApzResult.GetStatus());
|
|
|
|
// Make a copy of the original event for the APZCCallbackHelper helpers that
|
|
// we call later, because the event passed to DispatchEvent can get mutated in
|
|
// ways that we don't want (i.e. touch points can get stripped out).
|
|
nsEventStatus status;
|
|
UniquePtr<WidgetEvent> original(aEvent->Duplicate());
|
|
DispatchEvent(aEvent, status);
|
|
|
|
if (mAPZC && !InputAPZContext::WasRoutedToChildProcess() && inputBlockId) {
|
|
// EventStateManager did not route the event into the child process.
|
|
// It's safe to communicate to APZ that the event has been processed.
|
|
// Note that here aGuid.mLayersId might be different from
|
|
// mCompositorSession->RootLayerTreeId() because the event might have gotten
|
|
// hit-tested by APZ to be targeted at a child process, but a parent process
|
|
// event listener called preventDefault on it. In that case aGuid.mLayersId
|
|
// would still be the layers id for the child process, but the event would
|
|
// not have actually gotten routed to the child process. The main-thread
|
|
// hit-test result therefore needs to use the parent process layers id.
|
|
LayersId rootLayersId = mCompositorSession->RootLayerTreeId();
|
|
|
|
RefPtr<DisplayportSetListener> postLayerization;
|
|
if (WidgetTouchEvent* touchEvent = aEvent->AsTouchEvent()) {
|
|
nsTArray<TouchBehaviorFlags> allowedTouchBehaviors;
|
|
if (touchEvent->mMessage == eTouchStart) {
|
|
if (StaticPrefs::layout_css_touch_action_enabled()) {
|
|
allowedTouchBehaviors =
|
|
APZCCallbackHelper::SendSetAllowedTouchBehaviorNotification(
|
|
this, GetDocument(), *(original->AsTouchEvent()),
|
|
inputBlockId, mSetAllowedTouchBehaviorCallback);
|
|
}
|
|
postLayerization = APZCCallbackHelper::SendSetTargetAPZCNotification(
|
|
this, GetDocument(), *(original->AsTouchEvent()), rootLayersId,
|
|
inputBlockId);
|
|
}
|
|
mAPZEventState->ProcessTouchEvent(*touchEvent, targetGuid, inputBlockId,
|
|
aApzResult.GetStatus(), status,
|
|
std::move(allowedTouchBehaviors));
|
|
} else if (WidgetWheelEvent* wheelEvent = aEvent->AsWheelEvent()) {
|
|
MOZ_ASSERT(wheelEvent->mFlags.mHandledByAPZ);
|
|
postLayerization = APZCCallbackHelper::SendSetTargetAPZCNotification(
|
|
this, GetDocument(), *(original->AsWheelEvent()), rootLayersId,
|
|
inputBlockId);
|
|
if (wheelEvent->mCanTriggerSwipe) {
|
|
ReportSwipeStarted(inputBlockId, wheelEvent->TriggersSwipe());
|
|
}
|
|
mAPZEventState->ProcessWheelEvent(*wheelEvent, inputBlockId);
|
|
} else if (WidgetMouseEvent* mouseEvent = aEvent->AsMouseEvent()) {
|
|
MOZ_ASSERT(mouseEvent->mFlags.mHandledByAPZ);
|
|
postLayerization = APZCCallbackHelper::SendSetTargetAPZCNotification(
|
|
this, GetDocument(), *(original->AsMouseEvent()), rootLayersId,
|
|
inputBlockId);
|
|
mAPZEventState->ProcessMouseEvent(*mouseEvent, inputBlockId);
|
|
}
|
|
if (postLayerization) {
|
|
postLayerization->Register();
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
template <class InputType, class EventType>
|
|
class DispatchEventOnMainThread : public Runnable {
|
|
public:
|
|
DispatchEventOnMainThread(const InputType& aInput, nsBaseWidget* aWidget,
|
|
const APZEventResult& aAPZResult)
|
|
: mozilla::Runnable("DispatchEventOnMainThread"),
|
|
mInput(aInput),
|
|
mWidget(aWidget),
|
|
mAPZResult(aAPZResult) {}
|
|
|
|
NS_IMETHOD Run() override {
|
|
EventType event = mInput.ToWidgetEvent(mWidget);
|
|
mWidget->ProcessUntransformedAPZEvent(&event, mAPZResult);
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
InputType mInput;
|
|
nsBaseWidget* mWidget;
|
|
APZEventResult mAPZResult;
|
|
};
|
|
|
|
template <class InputType, class EventType>
|
|
class DispatchInputOnControllerThread : public Runnable {
|
|
public:
|
|
DispatchInputOnControllerThread(const EventType& aEvent,
|
|
IAPZCTreeManager* aAPZC,
|
|
nsBaseWidget* aWidget)
|
|
: mozilla::Runnable("DispatchInputOnControllerThread"),
|
|
mMainMessageLoop(MessageLoop::current()),
|
|
mInput(aEvent),
|
|
mAPZC(aAPZC),
|
|
mWidget(aWidget) {}
|
|
|
|
NS_IMETHOD Run() override {
|
|
APZEventResult result = mAPZC->InputBridge()->ReceiveInputEvent(mInput);
|
|
if (result.GetStatus() == nsEventStatus_eConsumeNoDefault) {
|
|
return NS_OK;
|
|
}
|
|
RefPtr<Runnable> r = new DispatchEventOnMainThread<InputType, EventType>(
|
|
mInput, mWidget, result);
|
|
mMainMessageLoop->PostTask(r.forget());
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
MessageLoop* mMainMessageLoop;
|
|
InputType mInput;
|
|
RefPtr<IAPZCTreeManager> mAPZC;
|
|
nsBaseWidget* mWidget;
|
|
};
|
|
|
|
void nsBaseWidget::DispatchTouchInput(MultiTouchInput& aInput,
|
|
uint16_t aInputSource) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
MOZ_ASSERT(aInputSource ==
|
|
mozilla::dom::MouseEvent_Binding::MOZ_SOURCE_TOUCH ||
|
|
aInputSource == mozilla::dom::MouseEvent_Binding::MOZ_SOURCE_PEN);
|
|
if (mAPZC) {
|
|
MOZ_ASSERT(APZThreadUtils::IsControllerThread());
|
|
|
|
APZEventResult result = mAPZC->InputBridge()->ReceiveInputEvent(aInput);
|
|
if (result.GetStatus() == nsEventStatus_eConsumeNoDefault) {
|
|
return;
|
|
}
|
|
|
|
WidgetTouchEvent event = aInput.ToWidgetEvent(this, aInputSource);
|
|
ProcessUntransformedAPZEvent(&event, result);
|
|
} else {
|
|
WidgetTouchEvent event = aInput.ToWidgetEvent(this, aInputSource);
|
|
|
|
nsEventStatus status;
|
|
DispatchEvent(&event, status);
|
|
}
|
|
}
|
|
|
|
void nsBaseWidget::DispatchPanGestureInput(PanGestureInput& aInput) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
if (mAPZC) {
|
|
MOZ_ASSERT(APZThreadUtils::IsControllerThread());
|
|
|
|
APZEventResult result = mAPZC->InputBridge()->ReceiveInputEvent(aInput);
|
|
if (result.GetStatus() == nsEventStatus_eConsumeNoDefault) {
|
|
return;
|
|
}
|
|
|
|
WidgetWheelEvent event = aInput.ToWidgetEvent(this);
|
|
ProcessUntransformedAPZEvent(&event, result);
|
|
} else {
|
|
WidgetWheelEvent event = aInput.ToWidgetEvent(this);
|
|
nsEventStatus status;
|
|
DispatchEvent(&event, status);
|
|
}
|
|
}
|
|
|
|
void nsBaseWidget::DispatchPinchGestureInput(PinchGestureInput& aInput) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
if (mAPZC) {
|
|
MOZ_ASSERT(APZThreadUtils::IsControllerThread());
|
|
APZEventResult result = mAPZC->InputBridge()->ReceiveInputEvent(aInput);
|
|
|
|
if (result.GetStatus() == nsEventStatus_eConsumeNoDefault) {
|
|
return;
|
|
}
|
|
WidgetWheelEvent event = aInput.ToWidgetEvent(this);
|
|
ProcessUntransformedAPZEvent(&event, result);
|
|
} else {
|
|
WidgetWheelEvent event = aInput.ToWidgetEvent(this);
|
|
nsEventStatus status;
|
|
DispatchEvent(&event, status);
|
|
}
|
|
}
|
|
|
|
nsIWidget::ContentAndAPZEventStatus nsBaseWidget::DispatchInputEvent(
|
|
WidgetInputEvent* aEvent) {
|
|
nsIWidget::ContentAndAPZEventStatus status;
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
if (mAPZC) {
|
|
if (APZThreadUtils::IsControllerThread()) {
|
|
APZEventResult result = mAPZC->InputBridge()->ReceiveInputEvent(*aEvent);
|
|
status.mApzStatus = result.GetStatus();
|
|
if (result.GetStatus() == nsEventStatus_eConsumeNoDefault) {
|
|
return status;
|
|
}
|
|
status.mContentStatus = ProcessUntransformedAPZEvent(aEvent, result);
|
|
return status;
|
|
}
|
|
if (WidgetWheelEvent* wheelEvent = aEvent->AsWheelEvent()) {
|
|
RefPtr<Runnable> r =
|
|
new DispatchInputOnControllerThread<ScrollWheelInput,
|
|
WidgetWheelEvent>(*wheelEvent,
|
|
mAPZC, this);
|
|
APZThreadUtils::RunOnControllerThread(std::move(r));
|
|
status.mContentStatus = nsEventStatus_eConsumeDoDefault;
|
|
return status;
|
|
}
|
|
if (WidgetMouseEvent* mouseEvent = aEvent->AsMouseEvent()) {
|
|
RefPtr<Runnable> r =
|
|
new DispatchInputOnControllerThread<MouseInput, WidgetMouseEvent>(
|
|
*mouseEvent, mAPZC, this);
|
|
APZThreadUtils::RunOnControllerThread(std::move(r));
|
|
status.mContentStatus = nsEventStatus_eConsumeDoDefault;
|
|
return status;
|
|
}
|
|
if (WidgetTouchEvent* touchEvent = aEvent->AsTouchEvent()) {
|
|
RefPtr<Runnable> r =
|
|
new DispatchInputOnControllerThread<MultiTouchInput,
|
|
WidgetTouchEvent>(*touchEvent,
|
|
mAPZC, this);
|
|
APZThreadUtils::RunOnControllerThread(std::move(r));
|
|
status.mContentStatus = nsEventStatus_eConsumeDoDefault;
|
|
return status;
|
|
}
|
|
// Allow dispatching keyboard events on Gecko thread.
|
|
MOZ_ASSERT(aEvent->AsKeyboardEvent());
|
|
}
|
|
|
|
DispatchEvent(aEvent, status.mContentStatus);
|
|
return status;
|
|
}
|
|
|
|
void nsBaseWidget::DispatchEventToAPZOnly(mozilla::WidgetInputEvent* aEvent) {
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
if (mAPZC) {
|
|
MOZ_ASSERT(APZThreadUtils::IsControllerThread());
|
|
mAPZC->InputBridge()->ReceiveInputEvent(*aEvent);
|
|
}
|
|
}
|
|
|
|
Document* nsBaseWidget::GetDocument() const {
|
|
if (mWidgetListener) {
|
|
if (PresShell* presShell = mWidgetListener->GetPresShell()) {
|
|
return presShell->GetDocument();
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
void nsBaseWidget::CreateCompositorVsyncDispatcher() {
|
|
// Parent directly listens to the vsync source whereas
|
|
// child process communicate via IPC
|
|
// Should be called AFTER gfxPlatform is initialized
|
|
if (XRE_IsParentProcess()) {
|
|
if (!mCompositorVsyncDispatcherLock) {
|
|
mCompositorVsyncDispatcherLock =
|
|
MakeUnique<Mutex>("mCompositorVsyncDispatcherLock");
|
|
}
|
|
MutexAutoLock lock(*mCompositorVsyncDispatcherLock.get());
|
|
if (!mCompositorVsyncDispatcher) {
|
|
mCompositorVsyncDispatcher = new CompositorVsyncDispatcher();
|
|
}
|
|
}
|
|
}
|
|
|
|
already_AddRefed<CompositorVsyncDispatcher>
|
|
nsBaseWidget::GetCompositorVsyncDispatcher() {
|
|
MOZ_ASSERT(mCompositorVsyncDispatcherLock.get());
|
|
|
|
MutexAutoLock lock(*mCompositorVsyncDispatcherLock.get());
|
|
RefPtr<CompositorVsyncDispatcher> dispatcher = mCompositorVsyncDispatcher;
|
|
return dispatcher.forget();
|
|
}
|
|
|
|
already_AddRefed<WebRenderLayerManager> nsBaseWidget::CreateCompositorSession(
|
|
int aWidth, int aHeight, CompositorOptions* aOptionsOut) {
|
|
MOZ_ASSERT(aOptionsOut);
|
|
|
|
do {
|
|
CreateCompositorVsyncDispatcher();
|
|
|
|
gfx::GPUProcessManager* gpu = gfx::GPUProcessManager::Get();
|
|
// Make sure GPU process is ready for use.
|
|
// If it failed to connect to GPU process, GPU process usage is disabled in
|
|
// EnsureGPUReady(). It could update gfxVars and gfxConfigs.
|
|
gpu->EnsureGPUReady();
|
|
|
|
// If widget type does not supports acceleration, we may be allowed to use
|
|
// software WebRender instead. If not, then we use ClientLayerManager even
|
|
// when gfxVars::UseWebRender() is true. WebRender could coexist only with
|
|
// BasicCompositor.
|
|
bool supportsAcceleration = WidgetTypeSupportsAcceleration();
|
|
bool enableWR;
|
|
bool enableSWWR;
|
|
if (supportsAcceleration ||
|
|
StaticPrefs::gfx_webrender_unaccelerated_widget_force()) {
|
|
enableWR = gfx::gfxVars::UseWebRender();
|
|
enableSWWR = gfx::gfxVars::UseSoftwareWebRender();
|
|
} else {
|
|
enableWR = enableSWWR = gfx::gfxVars::UseWebRender();
|
|
}
|
|
MOZ_RELEASE_ASSERT(enableWR);
|
|
bool enableAPZ = UseAPZ();
|
|
CompositorOptions options(enableAPZ, enableSWWR);
|
|
|
|
#ifdef XP_WIN
|
|
if (supportsAcceleration) {
|
|
options.SetAllowSoftwareWebRenderD3D11(
|
|
gfx::gfxVars::AllowSoftwareWebRenderD3D11());
|
|
}
|
|
#elif defined(MOZ_WIDGET_ANDROID)
|
|
MOZ_ASSERT(supportsAcceleration);
|
|
options.SetAllowSoftwareWebRenderOGL(
|
|
StaticPrefs::gfx_webrender_software_opengl_AtStartup());
|
|
#elif defined(MOZ_WIDGET_GTK)
|
|
if (supportsAcceleration) {
|
|
options.SetAllowSoftwareWebRenderOGL(
|
|
StaticPrefs::gfx_webrender_software_opengl_AtStartup());
|
|
}
|
|
#endif
|
|
|
|
options.SetUseWebGPU(StaticPrefs::dom_webgpu_enabled());
|
|
|
|
#ifdef MOZ_WIDGET_ANDROID
|
|
if (!GetNativeData(NS_JAVA_SURFACE)) {
|
|
options.SetInitiallyPaused(true);
|
|
}
|
|
#else
|
|
options.SetInitiallyPaused(CompositorInitiallyPaused());
|
|
#endif
|
|
|
|
RefPtr<WebRenderLayerManager> lm = new WebRenderLayerManager(this);
|
|
|
|
bool retry = false;
|
|
mCompositorSession = gpu->CreateTopLevelCompositor(
|
|
this, lm, GetDefaultScale(), options, UseExternalCompositingSurface(),
|
|
gfx::IntSize(aWidth, aHeight), &retry);
|
|
|
|
if (mCompositorSession) {
|
|
TextureFactoryIdentifier textureFactoryIdentifier;
|
|
nsCString error;
|
|
lm->Initialize(mCompositorSession->GetCompositorBridgeChild(),
|
|
wr::AsPipelineId(mCompositorSession->RootLayerTreeId()),
|
|
&textureFactoryIdentifier, error);
|
|
if (textureFactoryIdentifier.mParentBackend != LayersBackend::LAYERS_WR) {
|
|
retry = true;
|
|
DestroyCompositor();
|
|
// gfxVars::UseDoubleBufferingWithCompositor() is also disabled.
|
|
gfx::GPUProcessManager::Get()->DisableWebRender(
|
|
wr::WebRenderError::INITIALIZE, error);
|
|
}
|
|
}
|
|
|
|
// We need to retry in a loop because the act of failing to create the
|
|
// compositor can change our state (e.g. disable WebRender).
|
|
if (mCompositorSession || !retry) {
|
|
*aOptionsOut = options;
|
|
return lm.forget();
|
|
}
|
|
} while (true);
|
|
}
|
|
|
|
void nsBaseWidget::CreateCompositor(int aWidth, int aHeight) {
|
|
// This makes sure that gfxPlatforms gets initialized if it hasn't by now.
|
|
gfxPlatform::GetPlatform();
|
|
|
|
MOZ_ASSERT(gfxPlatform::UsesOffMainThreadCompositing(),
|
|
"This function assumes OMTC");
|
|
|
|
MOZ_ASSERT(!mCompositorSession && !mCompositorBridgeChild,
|
|
"Should have properly cleaned up the previous PCompositor pair "
|
|
"beforehand");
|
|
|
|
if (mCompositorBridgeChild) {
|
|
mCompositorBridgeChild->Destroy();
|
|
}
|
|
|
|
// Recreating this is tricky, as we may still have an old and we need
|
|
// to make sure it's properly destroyed by calling DestroyCompositor!
|
|
|
|
// If we've already received a shutdown notification, don't try
|
|
// create a new compositor.
|
|
if (!mShutdownObserver) {
|
|
return;
|
|
}
|
|
|
|
CompositorOptions options;
|
|
RefPtr<WebRenderLayerManager> lm =
|
|
CreateCompositorSession(aWidth, aHeight, &options);
|
|
if (!lm) {
|
|
return;
|
|
}
|
|
|
|
MOZ_ASSERT(mCompositorSession);
|
|
mCompositorBridgeChild = mCompositorSession->GetCompositorBridgeChild();
|
|
SetCompositorWidgetDelegate(
|
|
mCompositorSession->GetCompositorWidgetDelegate());
|
|
|
|
if (options.UseAPZ()) {
|
|
mAPZC = mCompositorSession->GetAPZCTreeManager();
|
|
ConfigureAPZCTreeManager();
|
|
} else {
|
|
mAPZC = nullptr;
|
|
}
|
|
|
|
if (mInitialZoomConstraints) {
|
|
UpdateZoomConstraints(mInitialZoomConstraints->mPresShellID,
|
|
mInitialZoomConstraints->mViewID,
|
|
Some(mInitialZoomConstraints->mConstraints));
|
|
mInitialZoomConstraints.reset();
|
|
}
|
|
|
|
TextureFactoryIdentifier textureFactoryIdentifier =
|
|
lm->GetTextureFactoryIdentifier();
|
|
MOZ_ASSERT(textureFactoryIdentifier.mParentBackend ==
|
|
LayersBackend::LAYERS_WR);
|
|
ImageBridgeChild::IdentifyCompositorTextureHost(textureFactoryIdentifier);
|
|
gfx::VRManagerChild::IdentifyTextureHost(textureFactoryIdentifier);
|
|
|
|
WindowUsesOMTC();
|
|
|
|
mWindowRenderer = std::move(lm);
|
|
|
|
// Only track compositors for top-level windows, since other window types
|
|
// may use the basic compositor. Except on the OS X - see bug 1306383
|
|
#if defined(XP_MACOSX)
|
|
bool getCompositorFromThisWindow = true;
|
|
#else
|
|
bool getCompositorFromThisWindow = (mWindowType == eWindowType_toplevel);
|
|
#endif
|
|
|
|
if (getCompositorFromThisWindow) {
|
|
gfxPlatform::GetPlatform()->NotifyCompositorCreated(
|
|
mWindowRenderer->GetCompositorBackendType());
|
|
}
|
|
}
|
|
|
|
void nsBaseWidget::NotifyCompositorSessionLost(CompositorSession* aSession) {
|
|
MOZ_ASSERT(aSession == mCompositorSession);
|
|
DestroyLayerManager();
|
|
}
|
|
|
|
bool nsBaseWidget::ShouldUseOffMainThreadCompositing() {
|
|
return gfxPlatform::UsesOffMainThreadCompositing();
|
|
}
|
|
|
|
WindowRenderer* nsBaseWidget::GetWindowRenderer() {
|
|
if (!mWindowRenderer) {
|
|
if (!mShutdownObserver) {
|
|
// We are shutting down, do not try to re-create a LayerManager
|
|
return nullptr;
|
|
}
|
|
// Try to use an async compositor first, if possible
|
|
if (ShouldUseOffMainThreadCompositing()) {
|
|
CreateCompositor();
|
|
}
|
|
|
|
if (!mWindowRenderer) {
|
|
mWindowRenderer = CreateFallbackRenderer();
|
|
}
|
|
}
|
|
return mWindowRenderer;
|
|
}
|
|
|
|
WindowRenderer* nsBaseWidget::CreateFallbackRenderer() {
|
|
return new FallbackRenderer;
|
|
}
|
|
|
|
CompositorBridgeChild* nsBaseWidget::GetRemoteRenderer() {
|
|
return mCompositorBridgeChild;
|
|
}
|
|
|
|
void nsBaseWidget::ClearCachedWebrenderResources() {
|
|
if (!mWindowRenderer || !mWindowRenderer->AsWebRender()) {
|
|
return;
|
|
}
|
|
mWindowRenderer->AsWebRender()->ClearCachedResources();
|
|
}
|
|
|
|
already_AddRefed<gfx::DrawTarget> nsBaseWidget::StartRemoteDrawing() {
|
|
return nullptr;
|
|
}
|
|
|
|
uint32_t nsBaseWidget::GetGLFrameBufferFormat() { return LOCAL_GL_RGBA; }
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Destroy the window
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
void nsBaseWidget::OnDestroy() {
|
|
if (mTextEventDispatcher) {
|
|
mTextEventDispatcher->OnDestroyWidget();
|
|
// Don't release it until this widget actually released because after this
|
|
// is called, TextEventDispatcher() may create it again.
|
|
}
|
|
|
|
// If this widget is being destroyed, let the APZ code know to drop references
|
|
// to this widget. Callers of this function all should be holding a deathgrip
|
|
// on this widget already.
|
|
ReleaseContentController();
|
|
}
|
|
|
|
void nsBaseWidget::MoveClient(const DesktopPoint& aOffset) {
|
|
LayoutDeviceIntPoint clientOffset(GetClientOffset());
|
|
|
|
// GetClientOffset returns device pixels; scale back to desktop pixels
|
|
// if that's what this widget uses for the Move/Resize APIs
|
|
if (BoundsUseDesktopPixels()) {
|
|
DesktopPoint desktopOffset = clientOffset / GetDesktopToDeviceScale();
|
|
Move(aOffset.x - desktopOffset.x, aOffset.y - desktopOffset.y);
|
|
} else {
|
|
LayoutDevicePoint layoutOffset = aOffset * GetDesktopToDeviceScale();
|
|
Move(layoutOffset.x - clientOffset.x, layoutOffset.y - clientOffset.y);
|
|
}
|
|
}
|
|
|
|
void nsBaseWidget::ResizeClient(const DesktopSize& aSize, bool aRepaint) {
|
|
NS_ASSERTION((aSize.width >= 0), "Negative width passed to ResizeClient");
|
|
NS_ASSERTION((aSize.height >= 0), "Negative height passed to ResizeClient");
|
|
|
|
LayoutDeviceIntRect clientBounds = GetClientBounds();
|
|
|
|
// GetClientBounds and mBounds are device pixels; scale back to desktop pixels
|
|
// if that's what this widget uses for the Move/Resize APIs
|
|
if (BoundsUseDesktopPixels()) {
|
|
DesktopSize desktopDelta =
|
|
(LayoutDeviceIntSize(mBounds.Width(), mBounds.Height()) -
|
|
clientBounds.Size()) /
|
|
GetDesktopToDeviceScale();
|
|
Resize(aSize.width + desktopDelta.width, aSize.height + desktopDelta.height,
|
|
aRepaint);
|
|
} else {
|
|
LayoutDeviceSize layoutSize = aSize * GetDesktopToDeviceScale();
|
|
Resize(mBounds.Width() + (layoutSize.width - clientBounds.Width()),
|
|
mBounds.Height() + (layoutSize.height - clientBounds.Height()),
|
|
aRepaint);
|
|
}
|
|
}
|
|
|
|
void nsBaseWidget::ResizeClient(const DesktopRect& aRect, bool aRepaint) {
|
|
NS_ASSERTION((aRect.Width() >= 0), "Negative width passed to ResizeClient");
|
|
NS_ASSERTION((aRect.Height() >= 0), "Negative height passed to ResizeClient");
|
|
|
|
LayoutDeviceIntRect clientBounds = GetClientBounds();
|
|
LayoutDeviceIntPoint clientOffset = GetClientOffset();
|
|
DesktopToLayoutDeviceScale scale = GetDesktopToDeviceScale();
|
|
|
|
if (BoundsUseDesktopPixels()) {
|
|
DesktopPoint desktopOffset = clientOffset / scale;
|
|
DesktopSize desktopDelta =
|
|
(LayoutDeviceIntSize(mBounds.Width(), mBounds.Height()) -
|
|
clientBounds.Size()) /
|
|
scale;
|
|
Resize(aRect.X() - desktopOffset.x, aRect.Y() - desktopOffset.y,
|
|
aRect.Width() + desktopDelta.width,
|
|
aRect.Height() + desktopDelta.height, aRepaint);
|
|
} else {
|
|
LayoutDeviceRect layoutRect = aRect * scale;
|
|
Resize(layoutRect.X() - clientOffset.x, layoutRect.Y() - clientOffset.y,
|
|
layoutRect.Width() + mBounds.Width() - clientBounds.Width(),
|
|
layoutRect.Height() + mBounds.Height() - clientBounds.Height(),
|
|
aRepaint);
|
|
}
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Bounds
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
|
|
/**
|
|
* If the implementation of nsWindow supports borders this method MUST be
|
|
* overridden
|
|
*
|
|
**/
|
|
LayoutDeviceIntRect nsBaseWidget::GetClientBounds() { return GetBounds(); }
|
|
|
|
/**
|
|
* If the implementation of nsWindow supports borders this method MUST be
|
|
* overridden
|
|
*
|
|
**/
|
|
LayoutDeviceIntRect nsBaseWidget::GetBounds() { return mBounds; }
|
|
|
|
/**
|
|
* If the implementation of nsWindow uses a local coordinate system within the
|
|
*window, this method must be overridden
|
|
*
|
|
**/
|
|
LayoutDeviceIntRect nsBaseWidget::GetScreenBounds() { return GetBounds(); }
|
|
|
|
nsresult nsBaseWidget::GetRestoredBounds(LayoutDeviceIntRect& aRect) {
|
|
if (SizeMode() != nsSizeMode_Normal) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
aRect = GetScreenBounds();
|
|
return NS_OK;
|
|
}
|
|
|
|
LayoutDeviceIntPoint nsBaseWidget::GetClientOffset() {
|
|
return LayoutDeviceIntPoint(0, 0);
|
|
}
|
|
|
|
nsresult nsBaseWidget::SetNonClientMargins(LayoutDeviceIntMargin& margins) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
uint32_t nsBaseWidget::GetMaxTouchPoints() const { return 0; }
|
|
|
|
bool nsBaseWidget::HasPendingInputEvent() { return false; }
|
|
|
|
bool nsBaseWidget::ShowsResizeIndicator(LayoutDeviceIntRect* aResizerRect) {
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Modifies aFile to point at an icon file with the given name and suffix. The
|
|
* suffix may correspond to a file extension with leading '.' if appropriate.
|
|
* Returns true if the icon file exists and can be read.
|
|
*/
|
|
static bool ResolveIconNameHelper(nsIFile* aFile, const nsAString& aIconName,
|
|
const nsAString& aIconSuffix) {
|
|
aFile->Append(u"icons"_ns);
|
|
aFile->Append(u"default"_ns);
|
|
aFile->Append(aIconName + aIconSuffix);
|
|
|
|
bool readable;
|
|
return NS_SUCCEEDED(aFile->IsReadable(&readable)) && readable;
|
|
}
|
|
|
|
/**
|
|
* Resolve the given icon name into a local file object. This method is
|
|
* intended to be called by subclasses of nsBaseWidget. aIconSuffix is a
|
|
* platform specific icon file suffix (e.g., ".ico" under Win32).
|
|
*
|
|
* If no file is found matching the given parameters, then null is returned.
|
|
*/
|
|
void nsBaseWidget::ResolveIconName(const nsAString& aIconName,
|
|
const nsAString& aIconSuffix,
|
|
nsIFile** aResult) {
|
|
*aResult = nullptr;
|
|
|
|
nsCOMPtr<nsIProperties> dirSvc =
|
|
do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID);
|
|
if (!dirSvc) return;
|
|
|
|
// first check auxilary chrome directories
|
|
|
|
nsCOMPtr<nsISimpleEnumerator> dirs;
|
|
dirSvc->Get(NS_APP_CHROME_DIR_LIST, NS_GET_IID(nsISimpleEnumerator),
|
|
getter_AddRefs(dirs));
|
|
if (dirs) {
|
|
bool hasMore;
|
|
while (NS_SUCCEEDED(dirs->HasMoreElements(&hasMore)) && hasMore) {
|
|
nsCOMPtr<nsISupports> element;
|
|
dirs->GetNext(getter_AddRefs(element));
|
|
if (!element) continue;
|
|
nsCOMPtr<nsIFile> file = do_QueryInterface(element);
|
|
if (!file) continue;
|
|
if (ResolveIconNameHelper(file, aIconName, aIconSuffix)) {
|
|
NS_ADDREF(*aResult = file);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// then check the main app chrome directory
|
|
|
|
nsCOMPtr<nsIFile> file;
|
|
dirSvc->Get(NS_APP_CHROME_DIR, NS_GET_IID(nsIFile), getter_AddRefs(file));
|
|
if (file && ResolveIconNameHelper(file, aIconName, aIconSuffix))
|
|
NS_ADDREF(*aResult = file);
|
|
}
|
|
|
|
void nsBaseWidget::SetSizeConstraints(const SizeConstraints& aConstraints) {
|
|
mSizeConstraints = aConstraints;
|
|
|
|
// Popups are constrained during layout, and we don't want to synchronously
|
|
// paint from reflow, so bail out... This is not great, but it's no worse than
|
|
// what we used to do.
|
|
//
|
|
// The right fix here is probably making constraint changes go through the
|
|
// view manager and such.
|
|
if (mWindowType == eWindowType_popup) {
|
|
return;
|
|
}
|
|
|
|
// If the current size doesn't meet the new constraints, trigger a
|
|
// resize to apply it. Note that, we don't want to invoke Resize if
|
|
// the new constraints don't affect the current size, because Resize
|
|
// implementation on some platforms may touch other geometry even if
|
|
// the size don't need to change.
|
|
LayoutDeviceIntSize curSize = mBounds.Size();
|
|
LayoutDeviceIntSize clampedSize =
|
|
Max(aConstraints.mMinSize, Min(aConstraints.mMaxSize, curSize));
|
|
if (clampedSize != curSize) {
|
|
gfx::Size size;
|
|
if (BoundsUseDesktopPixels()) {
|
|
DesktopSize desktopSize = clampedSize / GetDesktopToDeviceScale();
|
|
size = desktopSize.ToUnknownSize();
|
|
} else {
|
|
size = gfx::Size(clampedSize.ToUnknownSize());
|
|
}
|
|
Resize(size.width, size.height, true);
|
|
}
|
|
}
|
|
|
|
const widget::SizeConstraints nsBaseWidget::GetSizeConstraints() {
|
|
return mSizeConstraints;
|
|
}
|
|
|
|
// static
|
|
nsIRollupListener* nsBaseWidget::GetActiveRollupListener() {
|
|
// If set, then this is likely an <html:select> dropdown.
|
|
if (gRollupListener) return gRollupListener;
|
|
|
|
return nsXULPopupManager::GetInstance();
|
|
}
|
|
|
|
void nsBaseWidget::NotifyWindowDestroyed() {
|
|
if (!mWidgetListener) return;
|
|
|
|
nsCOMPtr<nsIAppWindow> window = mWidgetListener->GetAppWindow();
|
|
nsCOMPtr<nsIBaseWindow> appWindow(do_QueryInterface(window));
|
|
if (appWindow) {
|
|
appWindow->Destroy();
|
|
}
|
|
}
|
|
|
|
void nsBaseWidget::NotifyWindowMoved(int32_t aX, int32_t aY) {
|
|
if (mWidgetListener) {
|
|
mWidgetListener->WindowMoved(this, aX, aY);
|
|
}
|
|
|
|
if (mIMEHasFocus && IMENotificationRequestsRef().WantPositionChanged()) {
|
|
NotifyIME(IMENotification(IMEMessage::NOTIFY_IME_OF_POSITION_CHANGE));
|
|
}
|
|
}
|
|
|
|
void nsBaseWidget::NotifySizeMoveDone() {
|
|
if (!mWidgetListener) {
|
|
return;
|
|
}
|
|
if (PresShell* presShell = mWidgetListener->GetPresShell()) {
|
|
presShell->WindowSizeMoveDone();
|
|
}
|
|
}
|
|
|
|
void nsBaseWidget::NotifyThemeChanged(ThemeChangeKind aKind) {
|
|
if (!mWidgetListener) {
|
|
return;
|
|
}
|
|
if (PresShell* presShell = mWidgetListener->GetPresShell()) {
|
|
presShell->ThemeChanged(aKind);
|
|
}
|
|
}
|
|
|
|
void nsBaseWidget::NotifyUIStateChanged(UIStateChangeType aShowFocusRings) {
|
|
if (Document* doc = GetDocument()) {
|
|
if (nsPIDOMWindowOuter* win = doc->GetWindow()) {
|
|
win->SetKeyboardIndicators(aShowFocusRings);
|
|
}
|
|
}
|
|
}
|
|
|
|
nsresult nsBaseWidget::NotifyIME(const IMENotification& aIMENotification) {
|
|
if (mIMEHasQuit) {
|
|
return NS_OK;
|
|
}
|
|
switch (aIMENotification.mMessage) {
|
|
case REQUEST_TO_COMMIT_COMPOSITION:
|
|
case REQUEST_TO_CANCEL_COMPOSITION:
|
|
// We should send request to IME only when there is a TextEventDispatcher
|
|
// instance (this means that this widget has dispatched at least one
|
|
// composition event or keyboard event) and the it has composition.
|
|
// Otherwise, there is nothing to do.
|
|
// Note that if current input transaction is for native input events,
|
|
// TextEventDispatcher::NotifyIME() will call
|
|
// TextEventDispatcherListener::NotifyIME().
|
|
if (mTextEventDispatcher && mTextEventDispatcher->IsComposing()) {
|
|
return mTextEventDispatcher->NotifyIME(aIMENotification);
|
|
}
|
|
return NS_OK;
|
|
default: {
|
|
if (aIMENotification.mMessage == NOTIFY_IME_OF_FOCUS) {
|
|
mIMEHasFocus = true;
|
|
}
|
|
EnsureTextEventDispatcher();
|
|
// TextEventDispatcher::NotifyIME() will always call
|
|
// TextEventDispatcherListener::NotifyIME(). I.e., even if current
|
|
// input transaction is for synthesized events for automated tests,
|
|
// notifications will be sent to native IME.
|
|
nsresult rv = mTextEventDispatcher->NotifyIME(aIMENotification);
|
|
if (aIMENotification.mMessage == NOTIFY_IME_OF_BLUR) {
|
|
mIMEHasFocus = false;
|
|
}
|
|
return rv;
|
|
}
|
|
}
|
|
}
|
|
|
|
void nsBaseWidget::EnsureTextEventDispatcher() {
|
|
if (mTextEventDispatcher) {
|
|
return;
|
|
}
|
|
mTextEventDispatcher = new TextEventDispatcher(this);
|
|
}
|
|
|
|
nsIWidget::NativeIMEContext nsBaseWidget::GetNativeIMEContext() {
|
|
if (mTextEventDispatcher && mTextEventDispatcher->GetPseudoIMEContext()) {
|
|
// If we already have a TextEventDispatcher and it's working with
|
|
// a TextInputProcessor, we need to return pseudo IME context since
|
|
// TextCompositionArray::IndexOf(nsIWidget*) should return a composition
|
|
// on the pseudo IME context in such case.
|
|
NativeIMEContext pseudoIMEContext;
|
|
pseudoIMEContext.InitWithRawNativeIMEContext(
|
|
mTextEventDispatcher->GetPseudoIMEContext());
|
|
return pseudoIMEContext;
|
|
}
|
|
return NativeIMEContext(this);
|
|
}
|
|
|
|
nsIWidget::TextEventDispatcher* nsBaseWidget::GetTextEventDispatcher() {
|
|
EnsureTextEventDispatcher();
|
|
return mTextEventDispatcher;
|
|
}
|
|
|
|
void* nsBaseWidget::GetPseudoIMEContext() {
|
|
TextEventDispatcher* dispatcher = GetTextEventDispatcher();
|
|
if (!dispatcher) {
|
|
return nullptr;
|
|
}
|
|
return dispatcher->GetPseudoIMEContext();
|
|
}
|
|
|
|
TextEventDispatcherListener*
|
|
nsBaseWidget::GetNativeTextEventDispatcherListener() {
|
|
// TODO: If all platforms supported use of TextEventDispatcher for handling
|
|
// native IME and keyboard events, this method should be removed since
|
|
// in such case, this is overridden by all the subclasses.
|
|
return nullptr;
|
|
}
|
|
|
|
void nsBaseWidget::ZoomToRect(const uint32_t& aPresShellId,
|
|
const ScrollableLayerGuid::ViewID& aViewId,
|
|
const CSSRect& aRect, const uint32_t& aFlags) {
|
|
if (!mCompositorSession || !mAPZC) {
|
|
return;
|
|
}
|
|
LayersId layerId = mCompositorSession->RootLayerTreeId();
|
|
APZThreadUtils::RunOnControllerThread(
|
|
NewRunnableMethod<ScrollableLayerGuid, ZoomTarget, uint32_t>(
|
|
"layers::IAPZCTreeManager::ZoomToRect", mAPZC,
|
|
&IAPZCTreeManager::ZoomToRect,
|
|
ScrollableLayerGuid(layerId, aPresShellId, aViewId),
|
|
ZoomTarget{aRect}, aFlags));
|
|
}
|
|
|
|
#ifdef ACCESSIBILITY
|
|
|
|
a11y::LocalAccessible* nsBaseWidget::GetRootAccessible() {
|
|
NS_ENSURE_TRUE(mWidgetListener, nullptr);
|
|
|
|
PresShell* presShell = mWidgetListener->GetPresShell();
|
|
NS_ENSURE_TRUE(presShell, nullptr);
|
|
|
|
// If container is null then the presshell is not active. This often happens
|
|
// when a preshell is being held onto for fastback.
|
|
nsPresContext* presContext = presShell->GetPresContext();
|
|
NS_ENSURE_TRUE(presContext->GetContainerWeak(), nullptr);
|
|
|
|
// LocalAccessible creation might be not safe so use IsSafeToRunScript to
|
|
// make sure it's not created at unsafe times.
|
|
nsAccessibilityService* accService = GetOrCreateAccService();
|
|
if (accService) {
|
|
return accService->GetRootDocumentAccessible(
|
|
presShell, nsContentUtils::IsSafeToRunScript());
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
#endif // ACCESSIBILITY
|
|
|
|
void nsBaseWidget::StartAsyncScrollbarDrag(
|
|
const AsyncDragMetrics& aDragMetrics) {
|
|
if (!AsyncPanZoomEnabled()) {
|
|
return;
|
|
}
|
|
|
|
MOZ_ASSERT(XRE_IsParentProcess() && mCompositorSession);
|
|
|
|
LayersId layersId = mCompositorSession->RootLayerTreeId();
|
|
ScrollableLayerGuid guid(layersId, aDragMetrics.mPresShellId,
|
|
aDragMetrics.mViewId);
|
|
|
|
APZThreadUtils::RunOnControllerThread(
|
|
NewRunnableMethod<ScrollableLayerGuid, AsyncDragMetrics>(
|
|
"layers::IAPZCTreeManager::StartScrollbarDrag", mAPZC,
|
|
&IAPZCTreeManager::StartScrollbarDrag, guid, aDragMetrics));
|
|
}
|
|
|
|
bool nsBaseWidget::StartAsyncAutoscroll(const ScreenPoint& aAnchorLocation,
|
|
const ScrollableLayerGuid& aGuid) {
|
|
MOZ_ASSERT(XRE_IsParentProcess() && AsyncPanZoomEnabled());
|
|
|
|
return mAPZC->StartAutoscroll(aGuid, aAnchorLocation);
|
|
}
|
|
|
|
void nsBaseWidget::StopAsyncAutoscroll(const ScrollableLayerGuid& aGuid) {
|
|
MOZ_ASSERT(XRE_IsParentProcess() && AsyncPanZoomEnabled());
|
|
|
|
mAPZC->StopAutoscroll(aGuid);
|
|
}
|
|
|
|
LayersId nsBaseWidget::GetRootLayerTreeId() {
|
|
return mCompositorSession ? mCompositorSession->RootLayerTreeId()
|
|
: LayersId{0};
|
|
}
|
|
|
|
already_AddRefed<nsIScreen> nsBaseWidget::GetWidgetScreen() {
|
|
nsCOMPtr<nsIScreenManager> screenManager;
|
|
screenManager = do_GetService("@mozilla.org/gfx/screenmanager;1");
|
|
if (!screenManager) {
|
|
return nullptr;
|
|
}
|
|
|
|
LayoutDeviceIntRect bounds = GetScreenBounds();
|
|
DesktopIntRect deskBounds = RoundedToInt(bounds / GetDesktopToDeviceScale());
|
|
nsCOMPtr<nsIScreen> screen;
|
|
screenManager->ScreenForRect(deskBounds.X(), deskBounds.Y(),
|
|
deskBounds.Width(), deskBounds.Height(),
|
|
getter_AddRefs(screen));
|
|
return screen.forget();
|
|
}
|
|
|
|
mozilla::DesktopToLayoutDeviceScale
|
|
nsBaseWidget::GetDesktopToDeviceScaleByScreen() {
|
|
return (nsView::GetViewFor(this)->GetViewManager()->GetDeviceContext())
|
|
->GetDesktopToDeviceScale();
|
|
}
|
|
|
|
nsresult nsIWidget::SynthesizeNativeTouchTap(LayoutDeviceIntPoint aPoint,
|
|
bool aLongTap,
|
|
nsIObserver* aObserver) {
|
|
AutoObserverNotifier notifier(aObserver, "touchtap");
|
|
|
|
if (sPointerIdCounter > TOUCH_INJECT_MAX_POINTS) {
|
|
sPointerIdCounter = 0;
|
|
}
|
|
int pointerId = sPointerIdCounter;
|
|
sPointerIdCounter++;
|
|
nsresult rv = SynthesizeNativeTouchPoint(pointerId, TOUCH_CONTACT, aPoint,
|
|
1.0, 90, nullptr);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
if (!aLongTap) {
|
|
return SynthesizeNativeTouchPoint(pointerId, TOUCH_REMOVE, aPoint, 0, 0,
|
|
nullptr);
|
|
}
|
|
|
|
// initiate a long tap
|
|
int elapse = Preferences::GetInt("ui.click_hold_context_menus.delay",
|
|
TOUCH_INJECT_LONG_TAP_DEFAULT_MSEC);
|
|
if (!mLongTapTimer) {
|
|
mLongTapTimer = NS_NewTimer();
|
|
if (!mLongTapTimer) {
|
|
SynthesizeNativeTouchPoint(pointerId, TOUCH_CANCEL, aPoint, 0, 0,
|
|
nullptr);
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
// Windows requires recuring events, so we set this to a smaller window
|
|
// than the pref value.
|
|
int timeout = elapse;
|
|
if (timeout > TOUCH_INJECT_PUMP_TIMER_MSEC) {
|
|
timeout = TOUCH_INJECT_PUMP_TIMER_MSEC;
|
|
}
|
|
mLongTapTimer->InitWithNamedFuncCallback(
|
|
OnLongTapTimerCallback, this, timeout, nsITimer::TYPE_REPEATING_SLACK,
|
|
"nsIWidget::SynthesizeNativeTouchTap");
|
|
}
|
|
|
|
// If we already have a long tap pending, cancel it. We only allow one long
|
|
// tap to be active at a time.
|
|
if (mLongTapTouchPoint) {
|
|
SynthesizeNativeTouchPoint(mLongTapTouchPoint->mPointerId, TOUCH_CANCEL,
|
|
mLongTapTouchPoint->mPosition, 0, 0, nullptr);
|
|
}
|
|
|
|
mLongTapTouchPoint = MakeUnique<LongTapInfo>(
|
|
pointerId, aPoint, TimeDuration::FromMilliseconds(elapse), aObserver);
|
|
notifier.SkipNotification(); // we'll do it in the long-tap callback
|
|
return NS_OK;
|
|
}
|
|
|
|
// static
|
|
void nsIWidget::OnLongTapTimerCallback(nsITimer* aTimer, void* aClosure) {
|
|
auto* self = static_cast<nsIWidget*>(aClosure);
|
|
|
|
if ((self->mLongTapTouchPoint->mStamp + self->mLongTapTouchPoint->mDuration) >
|
|
TimeStamp::Now()) {
|
|
#ifdef XP_WIN
|
|
// Windows needs us to keep pumping feedback to the digitizer, so update
|
|
// the pointer id with the same position.
|
|
self->SynthesizeNativeTouchPoint(
|
|
self->mLongTapTouchPoint->mPointerId, TOUCH_CONTACT,
|
|
self->mLongTapTouchPoint->mPosition, 1.0, 90, nullptr);
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
AutoObserverNotifier notifier(self->mLongTapTouchPoint->mObserver,
|
|
"touchtap");
|
|
|
|
// finished, remove the touch point
|
|
self->mLongTapTimer->Cancel();
|
|
self->mLongTapTimer = nullptr;
|
|
self->SynthesizeNativeTouchPoint(
|
|
self->mLongTapTouchPoint->mPointerId, TOUCH_REMOVE,
|
|
self->mLongTapTouchPoint->mPosition, 0, 0, nullptr);
|
|
self->mLongTapTouchPoint = nullptr;
|
|
}
|
|
|
|
nsresult nsIWidget::ClearNativeTouchSequence(nsIObserver* aObserver) {
|
|
AutoObserverNotifier notifier(aObserver, "cleartouch");
|
|
|
|
if (!mLongTapTimer) {
|
|
return NS_OK;
|
|
}
|
|
mLongTapTimer->Cancel();
|
|
mLongTapTimer = nullptr;
|
|
SynthesizeNativeTouchPoint(mLongTapTouchPoint->mPointerId, TOUCH_CANCEL,
|
|
mLongTapTouchPoint->mPosition, 0, 0, nullptr);
|
|
mLongTapTouchPoint = nullptr;
|
|
return NS_OK;
|
|
}
|
|
|
|
MultiTouchInput nsBaseWidget::UpdateSynthesizedTouchState(
|
|
MultiTouchInput* aState, uint32_t aTime, mozilla::TimeStamp aTimeStamp,
|
|
uint32_t aPointerId, TouchPointerState aPointerState,
|
|
LayoutDeviceIntPoint aPoint, double aPointerPressure,
|
|
uint32_t aPointerOrientation) {
|
|
ScreenIntPoint pointerScreenPoint = ViewAs<ScreenPixel>(
|
|
aPoint, PixelCastJustification::LayoutDeviceIsScreenForBounds);
|
|
|
|
// We can't dispatch *aState directly because (a) dispatching
|
|
// it might inadvertently modify it and (b) in the case of touchend or
|
|
// touchcancel events aState will hold the touches that are
|
|
// still down whereas the input dispatched needs to hold the removed
|
|
// touch(es). We use |inputToDispatch| for this purpose.
|
|
MultiTouchInput inputToDispatch;
|
|
inputToDispatch.mInputType = MULTITOUCH_INPUT;
|
|
inputToDispatch.mTime = aTime;
|
|
inputToDispatch.mTimeStamp = aTimeStamp;
|
|
|
|
int32_t index = aState->IndexOfTouch((int32_t)aPointerId);
|
|
if (aPointerState == TOUCH_CONTACT) {
|
|
if (index >= 0) {
|
|
// found an existing touch point, update it
|
|
SingleTouchData& point = aState->mTouches[index];
|
|
point.mScreenPoint = pointerScreenPoint;
|
|
point.mRotationAngle = (float)aPointerOrientation;
|
|
point.mForce = (float)aPointerPressure;
|
|
inputToDispatch.mType = MultiTouchInput::MULTITOUCH_MOVE;
|
|
} else {
|
|
// new touch point, add it
|
|
aState->mTouches.AppendElement(SingleTouchData(
|
|
(int32_t)aPointerId, pointerScreenPoint, ScreenSize(0, 0),
|
|
(float)aPointerOrientation, (float)aPointerPressure));
|
|
inputToDispatch.mType = MultiTouchInput::MULTITOUCH_START;
|
|
}
|
|
inputToDispatch.mTouches = aState->mTouches;
|
|
} else {
|
|
MOZ_ASSERT(aPointerState == TOUCH_REMOVE || aPointerState == TOUCH_CANCEL);
|
|
// a touch point is being lifted, so remove it from the stored list
|
|
if (index >= 0) {
|
|
aState->mTouches.RemoveElementAt(index);
|
|
}
|
|
inputToDispatch.mType =
|
|
(aPointerState == TOUCH_REMOVE ? MultiTouchInput::MULTITOUCH_END
|
|
: MultiTouchInput::MULTITOUCH_CANCEL);
|
|
inputToDispatch.mTouches.AppendElement(SingleTouchData(
|
|
(int32_t)aPointerId, pointerScreenPoint, ScreenSize(0, 0),
|
|
(float)aPointerOrientation, (float)aPointerPressure));
|
|
}
|
|
|
|
return inputToDispatch;
|
|
}
|
|
|
|
void nsBaseWidget::NotifyLiveResizeStarted() {
|
|
// If we have mLiveResizeListeners already non-empty, we should notify those
|
|
// listeners that the resize stopped before starting anew. In theory this
|
|
// should never happen because we shouldn't get nested live resize actions.
|
|
NotifyLiveResizeStopped();
|
|
MOZ_ASSERT(mLiveResizeListeners.IsEmpty());
|
|
|
|
// If we can get the active remote tab for the current widget, suppress
|
|
// the displayport on it during the live resize.
|
|
if (!mWidgetListener) {
|
|
return;
|
|
}
|
|
nsCOMPtr<nsIAppWindow> appWindow = mWidgetListener->GetAppWindow();
|
|
if (!appWindow) {
|
|
return;
|
|
}
|
|
mLiveResizeListeners = appWindow->GetLiveResizeListeners();
|
|
for (uint32_t i = 0; i < mLiveResizeListeners.Length(); i++) {
|
|
mLiveResizeListeners[i]->LiveResizeStarted();
|
|
}
|
|
}
|
|
|
|
void nsBaseWidget::NotifyLiveResizeStopped() {
|
|
if (!mLiveResizeListeners.IsEmpty()) {
|
|
for (uint32_t i = 0; i < mLiveResizeListeners.Length(); i++) {
|
|
mLiveResizeListeners[i]->LiveResizeStopped();
|
|
}
|
|
mLiveResizeListeners.Clear();
|
|
}
|
|
}
|
|
|
|
nsresult nsBaseWidget::AsyncEnableDragDrop(bool aEnable) {
|
|
RefPtr<nsBaseWidget> kungFuDeathGrip = this;
|
|
return NS_DispatchToCurrentThreadQueue(
|
|
NS_NewRunnableFunction(
|
|
"AsyncEnableDragDropFn",
|
|
[this, aEnable, kungFuDeathGrip]() { EnableDragDrop(aEnable); }),
|
|
kAsyncDragDropTimeout, EventQueuePriority::Idle);
|
|
}
|
|
|
|
const IMENotificationRequests& nsIWidget::IMENotificationRequestsRef() {
|
|
TextEventDispatcher* dispatcher = GetTextEventDispatcher();
|
|
return dispatcher->IMENotificationRequestsRef();
|
|
}
|
|
|
|
void nsIWidget::PostHandleKeyEvent(mozilla::WidgetKeyboardEvent* aEvent) {}
|
|
|
|
bool nsIWidget::GetEditCommands(nsIWidget::NativeKeyBindingsType aType,
|
|
const WidgetKeyboardEvent& aEvent,
|
|
nsTArray<CommandInt>& aCommands) {
|
|
MOZ_ASSERT(aEvent.IsTrusted());
|
|
MOZ_ASSERT(aCommands.IsEmpty());
|
|
return true;
|
|
}
|
|
|
|
already_AddRefed<nsIBidiKeyboard> nsIWidget::CreateBidiKeyboard() {
|
|
if (XRE_IsContentProcess()) {
|
|
return CreateBidiKeyboardContentProcess();
|
|
}
|
|
return CreateBidiKeyboardInner();
|
|
}
|
|
|
|
#ifdef ANDROID
|
|
already_AddRefed<nsIBidiKeyboard> nsIWidget::CreateBidiKeyboardInner() {
|
|
// no bidi keyboard implementation
|
|
return nullptr;
|
|
}
|
|
#endif
|
|
|
|
namespace mozilla::widget {
|
|
|
|
const char* ToChar(InputContext::Origin aOrigin) {
|
|
switch (aOrigin) {
|
|
case InputContext::ORIGIN_MAIN:
|
|
return "ORIGIN_MAIN";
|
|
case InputContext::ORIGIN_CONTENT:
|
|
return "ORIGIN_CONTENT";
|
|
default:
|
|
return "Unexpected value";
|
|
}
|
|
}
|
|
|
|
const char* ToChar(IMEMessage aIMEMessage) {
|
|
switch (aIMEMessage) {
|
|
case NOTIFY_IME_OF_NOTHING:
|
|
return "NOTIFY_IME_OF_NOTHING";
|
|
case NOTIFY_IME_OF_FOCUS:
|
|
return "NOTIFY_IME_OF_FOCUS";
|
|
case NOTIFY_IME_OF_BLUR:
|
|
return "NOTIFY_IME_OF_BLUR";
|
|
case NOTIFY_IME_OF_SELECTION_CHANGE:
|
|
return "NOTIFY_IME_OF_SELECTION_CHANGE";
|
|
case NOTIFY_IME_OF_TEXT_CHANGE:
|
|
return "NOTIFY_IME_OF_TEXT_CHANGE";
|
|
case NOTIFY_IME_OF_COMPOSITION_EVENT_HANDLED:
|
|
return "NOTIFY_IME_OF_COMPOSITION_EVENT_HANDLED";
|
|
case NOTIFY_IME_OF_POSITION_CHANGE:
|
|
return "NOTIFY_IME_OF_POSITION_CHANGE";
|
|
case NOTIFY_IME_OF_MOUSE_BUTTON_EVENT:
|
|
return "NOTIFY_IME_OF_MOUSE_BUTTON_EVENT";
|
|
case REQUEST_TO_COMMIT_COMPOSITION:
|
|
return "REQUEST_TO_COMMIT_COMPOSITION";
|
|
case REQUEST_TO_CANCEL_COMPOSITION:
|
|
return "REQUEST_TO_CANCEL_COMPOSITION";
|
|
default:
|
|
return "Unexpected value";
|
|
}
|
|
}
|
|
|
|
void NativeIMEContext::Init(nsIWidget* aWidget) {
|
|
if (!aWidget) {
|
|
mRawNativeIMEContext = reinterpret_cast<uintptr_t>(nullptr);
|
|
mOriginProcessID = static_cast<uint64_t>(-1);
|
|
return;
|
|
}
|
|
if (!XRE_IsContentProcess()) {
|
|
mRawNativeIMEContext = reinterpret_cast<uintptr_t>(
|
|
aWidget->GetNativeData(NS_RAW_NATIVE_IME_CONTEXT));
|
|
mOriginProcessID = 0;
|
|
return;
|
|
}
|
|
// If this is created in a child process, aWidget is an instance of
|
|
// PuppetWidget which doesn't support NS_RAW_NATIVE_IME_CONTEXT.
|
|
// Instead of that PuppetWidget::GetNativeIMEContext() returns cached
|
|
// native IME context of the parent process.
|
|
*this = aWidget->GetNativeIMEContext();
|
|
}
|
|
|
|
void NativeIMEContext::InitWithRawNativeIMEContext(void* aRawNativeIMEContext) {
|
|
if (NS_WARN_IF(!aRawNativeIMEContext)) {
|
|
mRawNativeIMEContext = reinterpret_cast<uintptr_t>(nullptr);
|
|
mOriginProcessID = static_cast<uint64_t>(-1);
|
|
return;
|
|
}
|
|
mRawNativeIMEContext = reinterpret_cast<uintptr_t>(aRawNativeIMEContext);
|
|
mOriginProcessID =
|
|
XRE_IsContentProcess() ? ContentChild::GetSingleton()->GetID() : 0;
|
|
}
|
|
|
|
void IMENotification::TextChangeDataBase::MergeWith(
|
|
const IMENotification::TextChangeDataBase& aOther) {
|
|
MOZ_ASSERT(aOther.IsValid(), "Merging data must store valid data");
|
|
MOZ_ASSERT(aOther.mStartOffset <= aOther.mRemovedEndOffset,
|
|
"end of removed text must be same or larger than start");
|
|
MOZ_ASSERT(aOther.mStartOffset <= aOther.mAddedEndOffset,
|
|
"end of added text must be same or larger than start");
|
|
|
|
if (!IsValid()) {
|
|
*this = aOther;
|
|
return;
|
|
}
|
|
|
|
// |mStartOffset| and |mRemovedEndOffset| represent all replaced or removed
|
|
// text ranges. I.e., mStartOffset should be the smallest offset of all
|
|
// modified text ranges in old text. |mRemovedEndOffset| should be the
|
|
// largest end offset in old text of all modified text ranges.
|
|
// |mAddedEndOffset| represents the end offset of all inserted text ranges.
|
|
// I.e., only this is an offset in new text.
|
|
// In other words, between mStartOffset and |mRemovedEndOffset| of the
|
|
// premodified text was already removed. And some text whose length is
|
|
// |mAddedEndOffset - mStartOffset| is inserted to |mStartOffset|. I.e.,
|
|
// this allows IME to mark dirty the modified text range with |mStartOffset|
|
|
// and |mRemovedEndOffset| if IME stores all text of the focused editor and
|
|
// to compute new text length with |mAddedEndOffset| and |mRemovedEndOffset|.
|
|
// Additionally, IME can retrieve only the text between |mStartOffset| and
|
|
// |mAddedEndOffset| for updating stored text.
|
|
|
|
// For comparing new and old |mStartOffset|/|mRemovedEndOffset| values, they
|
|
// should be adjusted to be in same text. The |newData.mStartOffset| and
|
|
// |newData.mRemovedEndOffset| should be computed as in old text because
|
|
// |mStartOffset| and |mRemovedEndOffset| represent the modified text range
|
|
// in the old text but even if some text before the values of the newData
|
|
// has already been modified, the values don't include the changes.
|
|
|
|
// For comparing new and old |mAddedEndOffset| values, they should be
|
|
// adjusted to be in same text. The |oldData.mAddedEndOffset| should be
|
|
// computed as in the new text because |mAddedEndOffset| indicates the end
|
|
// offset of inserted text in the new text but |oldData.mAddedEndOffset|
|
|
// doesn't include any changes of the text before |newData.mAddedEndOffset|.
|
|
|
|
const TextChangeDataBase& newData = aOther;
|
|
const TextChangeDataBase oldData = *this;
|
|
|
|
// mCausedOnlyByComposition should be true only when all changes are caused
|
|
// by composition.
|
|
mCausedOnlyByComposition =
|
|
newData.mCausedOnlyByComposition && oldData.mCausedOnlyByComposition;
|
|
|
|
// mIncludingChangesWithoutComposition should be true if at least one of
|
|
// merged changes occurred without composition.
|
|
mIncludingChangesWithoutComposition =
|
|
newData.mIncludingChangesWithoutComposition ||
|
|
oldData.mIncludingChangesWithoutComposition;
|
|
|
|
// mIncludingChangesDuringComposition should be true when at least one of
|
|
// the merged non-composition changes occurred during the latest composition.
|
|
if (!newData.mCausedOnlyByComposition &&
|
|
!newData.mIncludingChangesDuringComposition) {
|
|
MOZ_ASSERT(newData.mIncludingChangesWithoutComposition);
|
|
MOZ_ASSERT(mIncludingChangesWithoutComposition);
|
|
// If new change is neither caused by composition nor occurred during
|
|
// composition, set mIncludingChangesDuringComposition to false because
|
|
// IME doesn't want outdated text changes as text change during current
|
|
// composition.
|
|
mIncludingChangesDuringComposition = false;
|
|
} else {
|
|
// Otherwise, set mIncludingChangesDuringComposition to true if either
|
|
// oldData or newData includes changes during composition.
|
|
mIncludingChangesDuringComposition =
|
|
newData.mIncludingChangesDuringComposition ||
|
|
oldData.mIncludingChangesDuringComposition;
|
|
}
|
|
|
|
if (newData.mStartOffset >= oldData.mAddedEndOffset) {
|
|
// Case 1:
|
|
// If new start is after old end offset of added text, it means that text
|
|
// after the modified range is modified. Like:
|
|
// added range of old change: +----------+
|
|
// removed range of new change: +----------+
|
|
// So, the old start offset is always the smaller offset.
|
|
mStartOffset = oldData.mStartOffset;
|
|
// The new end offset of removed text is moved by the old change and we
|
|
// need to cancel the move of the old change for comparing the offsets in
|
|
// same text because it doesn't make sensce to compare offsets in different
|
|
// text.
|
|
uint32_t newRemovedEndOffsetInOldText =
|
|
newData.mRemovedEndOffset - oldData.Difference();
|
|
mRemovedEndOffset =
|
|
std::max(newRemovedEndOffsetInOldText, oldData.mRemovedEndOffset);
|
|
// The new end offset of added text is always the larger offset.
|
|
mAddedEndOffset = newData.mAddedEndOffset;
|
|
return;
|
|
}
|
|
|
|
if (newData.mStartOffset >= oldData.mStartOffset) {
|
|
// If new start is in the modified range, it means that new data changes
|
|
// a part or all of the range.
|
|
mStartOffset = oldData.mStartOffset;
|
|
if (newData.mRemovedEndOffset >= oldData.mAddedEndOffset) {
|
|
// Case 2:
|
|
// If new end of removed text is greater than old end of added text, it
|
|
// means that all or a part of modified range modified again and text
|
|
// after the modified range is also modified. Like:
|
|
// added range of old change: +----------+
|
|
// removed range of new change: +----------+
|
|
// So, the new removed end offset is moved by the old change and we need
|
|
// to cancel the move of the old change for comparing the offsets in the
|
|
// same text because it doesn't make sense to compare the offsets in
|
|
// different text.
|
|
uint32_t newRemovedEndOffsetInOldText =
|
|
newData.mRemovedEndOffset - oldData.Difference();
|
|
mRemovedEndOffset =
|
|
std::max(newRemovedEndOffsetInOldText, oldData.mRemovedEndOffset);
|
|
// The old end of added text is replaced by new change. So, it should be
|
|
// same as the new start. On the other hand, the new added end offset is
|
|
// always same or larger. Therefore, the merged end offset of added
|
|
// text should be the new end offset of added text.
|
|
mAddedEndOffset = newData.mAddedEndOffset;
|
|
return;
|
|
}
|
|
|
|
// Case 3:
|
|
// If new end of removed text is less than old end of added text, it means
|
|
// that only a part of the modified range is modified again. Like:
|
|
// added range of old change: +------------+
|
|
// removed range of new change: +-----+
|
|
// So, the new end offset of removed text should be same as the old end
|
|
// offset of removed text. Therefore, the merged end offset of removed
|
|
// text should be the old text change's |mRemovedEndOffset|.
|
|
mRemovedEndOffset = oldData.mRemovedEndOffset;
|
|
// The old end of added text is moved by new change. So, we need to cancel
|
|
// the move of the new change for comparing the offsets in same text.
|
|
uint32_t oldAddedEndOffsetInNewText =
|
|
oldData.mAddedEndOffset + newData.Difference();
|
|
mAddedEndOffset =
|
|
std::max(newData.mAddedEndOffset, oldAddedEndOffsetInNewText);
|
|
return;
|
|
}
|
|
|
|
if (newData.mRemovedEndOffset >= oldData.mStartOffset) {
|
|
// If new end of removed text is greater than old start (and new start is
|
|
// less than old start), it means that a part of modified range is modified
|
|
// again and some new text before the modified range is also modified.
|
|
MOZ_ASSERT(newData.mStartOffset < oldData.mStartOffset,
|
|
"new start offset should be less than old one here");
|
|
mStartOffset = newData.mStartOffset;
|
|
if (newData.mRemovedEndOffset >= oldData.mAddedEndOffset) {
|
|
// Case 4:
|
|
// If new end of removed text is greater than old end of added text, it
|
|
// means that all modified text and text after the modified range is
|
|
// modified. Like:
|
|
// added range of old change: +----------+
|
|
// removed range of new change: +------------------+
|
|
// So, the new end of removed text is moved by the old change. Therefore,
|
|
// we need to cancel the move of the old change for comparing the offsets
|
|
// in same text because it doesn't make sense to compare the offsets in
|
|
// different text.
|
|
uint32_t newRemovedEndOffsetInOldText =
|
|
newData.mRemovedEndOffset - oldData.Difference();
|
|
mRemovedEndOffset =
|
|
std::max(newRemovedEndOffsetInOldText, oldData.mRemovedEndOffset);
|
|
// The old end of added text is replaced by new change. So, the old end
|
|
// offset of added text is same as new text change's start offset. Then,
|
|
// new change's end offset of added text is always same or larger than
|
|
// it. Therefore, merged end offset of added text is always the new end
|
|
// offset of added text.
|
|
mAddedEndOffset = newData.mAddedEndOffset;
|
|
return;
|
|
}
|
|
|
|
// Case 5:
|
|
// If new end of removed text is less than old end of added text, it
|
|
// means that only a part of the modified range is modified again. Like:
|
|
// added range of old change: +----------+
|
|
// removed range of new change: +----------+
|
|
// So, the new end of removed text should be same as old end of removed
|
|
// text for preventing end of removed text to be modified. Therefore,
|
|
// merged end offset of removed text is always the old end offset of removed
|
|
// text.
|
|
mRemovedEndOffset = oldData.mRemovedEndOffset;
|
|
// The old end of added text is moved by this change. So, we need to
|
|
// cancel the move of the new change for comparing the offsets in same text
|
|
// because it doesn't make sense to compare the offsets in different text.
|
|
uint32_t oldAddedEndOffsetInNewText =
|
|
oldData.mAddedEndOffset + newData.Difference();
|
|
mAddedEndOffset =
|
|
std::max(newData.mAddedEndOffset, oldAddedEndOffsetInNewText);
|
|
return;
|
|
}
|
|
|
|
// Case 6:
|
|
// Otherwise, i.e., both new end of added text and new start are less than
|
|
// old start, text before the modified range is modified. Like:
|
|
// added range of old change: +----------+
|
|
// removed range of new change: +----------+
|
|
MOZ_ASSERT(newData.mStartOffset < oldData.mStartOffset,
|
|
"new start offset should be less than old one here");
|
|
mStartOffset = newData.mStartOffset;
|
|
MOZ_ASSERT(newData.mRemovedEndOffset < oldData.mRemovedEndOffset,
|
|
"new removed end offset should be less than old one here");
|
|
mRemovedEndOffset = oldData.mRemovedEndOffset;
|
|
// The end of added text should be adjusted with the new difference.
|
|
uint32_t oldAddedEndOffsetInNewText =
|
|
oldData.mAddedEndOffset + newData.Difference();
|
|
mAddedEndOffset =
|
|
std::max(newData.mAddedEndOffset, oldAddedEndOffsetInNewText);
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
|
|
// Let's test the code of merging multiple text change data in debug build
|
|
// and crash if one of them fails because this feature is very complex but
|
|
// cannot be tested with mochitest.
|
|
void IMENotification::TextChangeDataBase::Test() {
|
|
static bool gTestTextChangeEvent = true;
|
|
if (!gTestTextChangeEvent) {
|
|
return;
|
|
}
|
|
gTestTextChangeEvent = false;
|
|
|
|
/****************************************************************************
|
|
* Case 1
|
|
****************************************************************************/
|
|
|
|
// Appending text
|
|
MergeWith(TextChangeData(10, 10, 20, false, false));
|
|
MergeWith(TextChangeData(20, 20, 35, false, false));
|
|
MOZ_ASSERT(mStartOffset == 10,
|
|
"Test 1-1-1: mStartOffset should be the first offset");
|
|
MOZ_ASSERT(
|
|
mRemovedEndOffset == 10, // 20 - (20 - 10)
|
|
"Test 1-1-2: mRemovedEndOffset should be the first end of removed text");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 35,
|
|
"Test 1-1-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
// Removing text (longer line -> shorter line)
|
|
MergeWith(TextChangeData(10, 20, 10, false, false));
|
|
MergeWith(TextChangeData(10, 30, 10, false, false));
|
|
MOZ_ASSERT(mStartOffset == 10,
|
|
"Test 1-2-1: mStartOffset should be the first offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 40, // 30 + (10 - 20)
|
|
"Test 1-2-2: mRemovedEndOffset should be the the last end of "
|
|
"removed text "
|
|
"with already removed length");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 10,
|
|
"Test 1-2-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
// Removing text (shorter line -> longer line)
|
|
MergeWith(TextChangeData(10, 20, 10, false, false));
|
|
MergeWith(TextChangeData(10, 15, 10, false, false));
|
|
MOZ_ASSERT(mStartOffset == 10,
|
|
"Test 1-3-1: mStartOffset should be the first offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 25, // 15 + (10 - 20)
|
|
"Test 1-3-2: mRemovedEndOffset should be the the last end of "
|
|
"removed text "
|
|
"with already removed length");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 10,
|
|
"Test 1-3-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
// Appending text at different point (not sure if actually occurs)
|
|
MergeWith(TextChangeData(10, 10, 20, false, false));
|
|
MergeWith(TextChangeData(55, 55, 60, false, false));
|
|
MOZ_ASSERT(mStartOffset == 10,
|
|
"Test 1-4-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(
|
|
mRemovedEndOffset == 45, // 55 - (10 - 20)
|
|
"Test 1-4-2: mRemovedEndOffset should be the the largest end of removed "
|
|
"text without already added length");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 60,
|
|
"Test 1-4-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
// Removing text at different point (not sure if actually occurs)
|
|
MergeWith(TextChangeData(10, 20, 10, false, false));
|
|
MergeWith(TextChangeData(55, 68, 55, false, false));
|
|
MOZ_ASSERT(mStartOffset == 10,
|
|
"Test 1-5-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(
|
|
mRemovedEndOffset == 78, // 68 - (10 - 20)
|
|
"Test 1-5-2: mRemovedEndOffset should be the the largest end of removed "
|
|
"text with already removed length");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 55,
|
|
"Test 1-5-3: mAddedEndOffset should be the largest end of added text");
|
|
Clear();
|
|
|
|
// Replacing text and append text (becomes longer)
|
|
MergeWith(TextChangeData(30, 35, 32, false, false));
|
|
MergeWith(TextChangeData(32, 32, 40, false, false));
|
|
MOZ_ASSERT(mStartOffset == 30,
|
|
"Test 1-6-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(
|
|
mRemovedEndOffset == 35, // 32 - (32 - 35)
|
|
"Test 1-6-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 40,
|
|
"Test 1-6-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
// Replacing text and append text (becomes shorter)
|
|
MergeWith(TextChangeData(30, 35, 32, false, false));
|
|
MergeWith(TextChangeData(32, 32, 33, false, false));
|
|
MOZ_ASSERT(mStartOffset == 30,
|
|
"Test 1-7-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(
|
|
mRemovedEndOffset == 35, // 32 - (32 - 35)
|
|
"Test 1-7-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 33,
|
|
"Test 1-7-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
// Removing text and replacing text after first range (not sure if actually
|
|
// occurs)
|
|
MergeWith(TextChangeData(30, 35, 30, false, false));
|
|
MergeWith(TextChangeData(32, 34, 48, false, false));
|
|
MOZ_ASSERT(mStartOffset == 30,
|
|
"Test 1-8-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 39, // 34 - (30 - 35)
|
|
"Test 1-8-2: mRemovedEndOffset should be the the first end of "
|
|
"removed text "
|
|
"without already removed text");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 48,
|
|
"Test 1-8-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
// Removing text and replacing text after first range (not sure if actually
|
|
// occurs)
|
|
MergeWith(TextChangeData(30, 35, 30, false, false));
|
|
MergeWith(TextChangeData(32, 38, 36, false, false));
|
|
MOZ_ASSERT(mStartOffset == 30,
|
|
"Test 1-9-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 43, // 38 - (30 - 35)
|
|
"Test 1-9-2: mRemovedEndOffset should be the the first end of "
|
|
"removed text "
|
|
"without already removed text");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 36,
|
|
"Test 1-9-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
/****************************************************************************
|
|
* Case 2
|
|
****************************************************************************/
|
|
|
|
// Replacing text in around end of added text (becomes shorter) (not sure
|
|
// if actually occurs)
|
|
MergeWith(TextChangeData(50, 50, 55, false, false));
|
|
MergeWith(TextChangeData(53, 60, 54, false, false));
|
|
MOZ_ASSERT(mStartOffset == 50,
|
|
"Test 2-1-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 55, // 60 - (55 - 50)
|
|
"Test 2-1-2: mRemovedEndOffset should be the the last end of "
|
|
"removed text "
|
|
"without already added text length");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 54,
|
|
"Test 2-1-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
// Replacing text around end of added text (becomes longer) (not sure
|
|
// if actually occurs)
|
|
MergeWith(TextChangeData(50, 50, 55, false, false));
|
|
MergeWith(TextChangeData(54, 62, 68, false, false));
|
|
MOZ_ASSERT(mStartOffset == 50,
|
|
"Test 2-2-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 57, // 62 - (55 - 50)
|
|
"Test 2-2-2: mRemovedEndOffset should be the the last end of "
|
|
"removed text "
|
|
"without already added text length");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 68,
|
|
"Test 2-2-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
// Replacing text around end of replaced text (became shorter) (not sure if
|
|
// actually occurs)
|
|
MergeWith(TextChangeData(36, 48, 45, false, false));
|
|
MergeWith(TextChangeData(43, 50, 49, false, false));
|
|
MOZ_ASSERT(mStartOffset == 36,
|
|
"Test 2-3-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 53, // 50 - (45 - 48)
|
|
"Test 2-3-2: mRemovedEndOffset should be the the last end of "
|
|
"removed text "
|
|
"without already removed text length");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 49,
|
|
"Test 2-3-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
// Replacing text around end of replaced text (became longer) (not sure if
|
|
// actually occurs)
|
|
MergeWith(TextChangeData(36, 52, 53, false, false));
|
|
MergeWith(TextChangeData(43, 68, 61, false, false));
|
|
MOZ_ASSERT(mStartOffset == 36,
|
|
"Test 2-4-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 67, // 68 - (53 - 52)
|
|
"Test 2-4-2: mRemovedEndOffset should be the the last end of "
|
|
"removed text "
|
|
"without already added text length");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 61,
|
|
"Test 2-4-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
/****************************************************************************
|
|
* Case 3
|
|
****************************************************************************/
|
|
|
|
// Appending text in already added text (not sure if actually occurs)
|
|
MergeWith(TextChangeData(10, 10, 20, false, false));
|
|
MergeWith(TextChangeData(15, 15, 30, false, false));
|
|
MOZ_ASSERT(mStartOffset == 10,
|
|
"Test 3-1-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 10,
|
|
"Test 3-1-2: mRemovedEndOffset should be the the first end of "
|
|
"removed text");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 35, // 20 + (30 - 15)
|
|
"Test 3-1-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
Clear();
|
|
|
|
// Replacing text in added text (not sure if actually occurs)
|
|
MergeWith(TextChangeData(50, 50, 55, false, false));
|
|
MergeWith(TextChangeData(52, 53, 56, false, false));
|
|
MOZ_ASSERT(mStartOffset == 50,
|
|
"Test 3-2-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 50,
|
|
"Test 3-2-2: mRemovedEndOffset should be the the first end of "
|
|
"removed text");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 58, // 55 + (56 - 53)
|
|
"Test 3-2-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
Clear();
|
|
|
|
// Replacing text in replaced text (became shorter) (not sure if actually
|
|
// occurs)
|
|
MergeWith(TextChangeData(36, 48, 45, false, false));
|
|
MergeWith(TextChangeData(37, 38, 50, false, false));
|
|
MOZ_ASSERT(mStartOffset == 36,
|
|
"Test 3-3-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 48,
|
|
"Test 3-3-2: mRemovedEndOffset should be the the first end of "
|
|
"removed text");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 57, // 45 + (50 - 38)
|
|
"Test 3-3-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
Clear();
|
|
|
|
// Replacing text in replaced text (became longer) (not sure if actually
|
|
// occurs)
|
|
MergeWith(TextChangeData(32, 48, 53, false, false));
|
|
MergeWith(TextChangeData(43, 50, 52, false, false));
|
|
MOZ_ASSERT(mStartOffset == 32,
|
|
"Test 3-4-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 48,
|
|
"Test 3-4-2: mRemovedEndOffset should be the the last end of "
|
|
"removed text "
|
|
"without already added text length");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 55, // 53 + (52 - 50)
|
|
"Test 3-4-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
Clear();
|
|
|
|
// Replacing text in replaced text (became shorter) (not sure if actually
|
|
// occurs)
|
|
MergeWith(TextChangeData(36, 48, 50, false, false));
|
|
MergeWith(TextChangeData(37, 49, 47, false, false));
|
|
MOZ_ASSERT(mStartOffset == 36,
|
|
"Test 3-5-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(
|
|
mRemovedEndOffset == 48,
|
|
"Test 3-5-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mAddedEndOffset == 48, // 50 + (47 - 49)
|
|
"Test 3-5-3: mAddedEndOffset should be the first end of added "
|
|
"text without "
|
|
"removed text length by the new change");
|
|
Clear();
|
|
|
|
// Replacing text in replaced text (became longer) (not sure if actually
|
|
// occurs)
|
|
MergeWith(TextChangeData(32, 48, 53, false, false));
|
|
MergeWith(TextChangeData(43, 50, 47, false, false));
|
|
MOZ_ASSERT(mStartOffset == 32,
|
|
"Test 3-6-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 48,
|
|
"Test 3-6-2: mRemovedEndOffset should be the the last end of "
|
|
"removed text "
|
|
"without already added text length");
|
|
MOZ_ASSERT(mAddedEndOffset == 50, // 53 + (47 - 50)
|
|
"Test 3-6-3: mAddedEndOffset should be the first end of added "
|
|
"text without "
|
|
"removed text length by the new change");
|
|
Clear();
|
|
|
|
/****************************************************************************
|
|
* Case 4
|
|
****************************************************************************/
|
|
|
|
// Replacing text all of already append text (not sure if actually occurs)
|
|
MergeWith(TextChangeData(50, 50, 55, false, false));
|
|
MergeWith(TextChangeData(44, 66, 68, false, false));
|
|
MOZ_ASSERT(mStartOffset == 44,
|
|
"Test 4-1-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 61, // 66 - (55 - 50)
|
|
"Test 4-1-2: mRemovedEndOffset should be the the last end of "
|
|
"removed text "
|
|
"without already added text length");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 68,
|
|
"Test 4-1-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
// Replacing text around a point in which text was removed (not sure if
|
|
// actually occurs)
|
|
MergeWith(TextChangeData(50, 62, 50, false, false));
|
|
MergeWith(TextChangeData(44, 66, 68, false, false));
|
|
MOZ_ASSERT(mStartOffset == 44,
|
|
"Test 4-2-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 78, // 66 - (50 - 62)
|
|
"Test 4-2-2: mRemovedEndOffset should be the the last end of "
|
|
"removed text "
|
|
"without already removed text length");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 68,
|
|
"Test 4-2-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
// Replacing text all replaced text (became shorter) (not sure if actually
|
|
// occurs)
|
|
MergeWith(TextChangeData(50, 62, 60, false, false));
|
|
MergeWith(TextChangeData(49, 128, 130, false, false));
|
|
MOZ_ASSERT(mStartOffset == 49,
|
|
"Test 4-3-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 130, // 128 - (60 - 62)
|
|
"Test 4-3-2: mRemovedEndOffset should be the the last end of "
|
|
"removed text "
|
|
"without already removed text length");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 130,
|
|
"Test 4-3-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
// Replacing text all replaced text (became longer) (not sure if actually
|
|
// occurs)
|
|
MergeWith(TextChangeData(50, 61, 73, false, false));
|
|
MergeWith(TextChangeData(44, 100, 50, false, false));
|
|
MOZ_ASSERT(mStartOffset == 44,
|
|
"Test 4-4-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(mRemovedEndOffset == 88, // 100 - (73 - 61)
|
|
"Test 4-4-2: mRemovedEndOffset should be the the last end of "
|
|
"removed text "
|
|
"with already added text length");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 50,
|
|
"Test 4-4-3: mAddedEndOffset should be the last end of added text");
|
|
Clear();
|
|
|
|
/****************************************************************************
|
|
* Case 5
|
|
****************************************************************************/
|
|
|
|
// Replacing text around start of added text (not sure if actually occurs)
|
|
MergeWith(TextChangeData(50, 50, 55, false, false));
|
|
MergeWith(TextChangeData(48, 52, 49, false, false));
|
|
MOZ_ASSERT(mStartOffset == 48,
|
|
"Test 5-1-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(
|
|
mRemovedEndOffset == 50,
|
|
"Test 5-1-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 52, // 55 + (52 - 49)
|
|
"Test 5-1-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
Clear();
|
|
|
|
// Replacing text around start of replaced text (became shorter) (not sure if
|
|
// actually occurs)
|
|
MergeWith(TextChangeData(50, 60, 58, false, false));
|
|
MergeWith(TextChangeData(43, 50, 48, false, false));
|
|
MOZ_ASSERT(mStartOffset == 43,
|
|
"Test 5-2-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(
|
|
mRemovedEndOffset == 60,
|
|
"Test 5-2-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mAddedEndOffset == 56, // 58 + (48 - 50)
|
|
"Test 5-2-3: mAddedEndOffset should be the first end of added "
|
|
"text without "
|
|
"removed text length by the new change");
|
|
Clear();
|
|
|
|
// Replacing text around start of replaced text (became longer) (not sure if
|
|
// actually occurs)
|
|
MergeWith(TextChangeData(50, 60, 68, false, false));
|
|
MergeWith(TextChangeData(43, 55, 53, false, false));
|
|
MOZ_ASSERT(mStartOffset == 43,
|
|
"Test 5-3-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(
|
|
mRemovedEndOffset == 60,
|
|
"Test 5-3-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mAddedEndOffset == 66, // 68 + (53 - 55)
|
|
"Test 5-3-3: mAddedEndOffset should be the first end of added "
|
|
"text without "
|
|
"removed text length by the new change");
|
|
Clear();
|
|
|
|
// Replacing text around start of replaced text (became shorter) (not sure if
|
|
// actually occurs)
|
|
MergeWith(TextChangeData(50, 60, 58, false, false));
|
|
MergeWith(TextChangeData(43, 50, 128, false, false));
|
|
MOZ_ASSERT(mStartOffset == 43,
|
|
"Test 5-4-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(
|
|
mRemovedEndOffset == 60,
|
|
"Test 5-4-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 136, // 58 + (128 - 50)
|
|
"Test 5-4-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
Clear();
|
|
|
|
// Replacing text around start of replaced text (became longer) (not sure if
|
|
// actually occurs)
|
|
MergeWith(TextChangeData(50, 60, 68, false, false));
|
|
MergeWith(TextChangeData(43, 55, 65, false, false));
|
|
MOZ_ASSERT(mStartOffset == 43,
|
|
"Test 5-5-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(
|
|
mRemovedEndOffset == 60,
|
|
"Test 5-5-2: mRemovedEndOffset should be the the first end of removed "
|
|
"text");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 78, // 68 + (65 - 55)
|
|
"Test 5-5-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
Clear();
|
|
|
|
/****************************************************************************
|
|
* Case 6
|
|
****************************************************************************/
|
|
|
|
// Appending text before already added text (not sure if actually occurs)
|
|
MergeWith(TextChangeData(30, 30, 45, false, false));
|
|
MergeWith(TextChangeData(10, 10, 20, false, false));
|
|
MOZ_ASSERT(mStartOffset == 10,
|
|
"Test 6-1-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(
|
|
mRemovedEndOffset == 30,
|
|
"Test 6-1-2: mRemovedEndOffset should be the the largest end of removed "
|
|
"text");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 55, // 45 + (20 - 10)
|
|
"Test 6-1-3: mAddedEndOffset should be the first end of added text with "
|
|
"added text length by the new change");
|
|
Clear();
|
|
|
|
// Removing text before already removed text (not sure if actually occurs)
|
|
MergeWith(TextChangeData(30, 35, 30, false, false));
|
|
MergeWith(TextChangeData(10, 25, 10, false, false));
|
|
MOZ_ASSERT(mStartOffset == 10,
|
|
"Test 6-2-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(
|
|
mRemovedEndOffset == 35,
|
|
"Test 6-2-2: mRemovedEndOffset should be the the largest end of removed "
|
|
"text");
|
|
MOZ_ASSERT(
|
|
mAddedEndOffset == 15, // 30 - (25 - 10)
|
|
"Test 6-2-3: mAddedEndOffset should be the first end of added text with "
|
|
"removed text length by the new change");
|
|
Clear();
|
|
|
|
// Replacing text before already replaced text (not sure if actually occurs)
|
|
MergeWith(TextChangeData(50, 65, 70, false, false));
|
|
MergeWith(TextChangeData(13, 24, 15, false, false));
|
|
MOZ_ASSERT(mStartOffset == 13,
|
|
"Test 6-3-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(
|
|
mRemovedEndOffset == 65,
|
|
"Test 6-3-2: mRemovedEndOffset should be the the largest end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mAddedEndOffset == 61, // 70 + (15 - 24)
|
|
"Test 6-3-3: mAddedEndOffset should be the first end of added "
|
|
"text without "
|
|
"removed text length by the new change");
|
|
Clear();
|
|
|
|
// Replacing text before already replaced text (not sure if actually occurs)
|
|
MergeWith(TextChangeData(50, 65, 70, false, false));
|
|
MergeWith(TextChangeData(13, 24, 36, false, false));
|
|
MOZ_ASSERT(mStartOffset == 13,
|
|
"Test 6-4-1: mStartOffset should be the smallest offset");
|
|
MOZ_ASSERT(
|
|
mRemovedEndOffset == 65,
|
|
"Test 6-4-2: mRemovedEndOffset should be the the largest end of removed "
|
|
"text");
|
|
MOZ_ASSERT(mAddedEndOffset == 82, // 70 + (36 - 24)
|
|
"Test 6-4-3: mAddedEndOffset should be the first end of added "
|
|
"text without "
|
|
"removed text length by the new change");
|
|
Clear();
|
|
}
|
|
|
|
#endif // #ifdef DEBUG
|
|
|
|
} // namespace mozilla::widget
|
|
|
|
#ifdef DEBUG
|
|
//////////////////////////////////////////////////////////////
|
|
//
|
|
// Convert a GUI event message code to a string.
|
|
// Makes it a lot easier to debug events.
|
|
//
|
|
// See gtk/nsWidget.cpp and windows/nsWindow.cpp
|
|
// for a DebugPrintEvent() function that uses
|
|
// this.
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//
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//////////////////////////////////////////////////////////////
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/* static */
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nsAutoString nsBaseWidget::debug_GuiEventToString(WidgetGUIEvent* aGuiEvent) {
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NS_ASSERTION(nullptr != aGuiEvent, "cmon, null gui event.");
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|
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nsAutoString eventName(u"UNKNOWN"_ns);
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# define _ASSIGN_eventName(_value, _name) \
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case _value: \
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eventName.AssignLiteral(_name); \
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break
|
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switch (aGuiEvent->mMessage) {
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_ASSIGN_eventName(eBlur, "eBlur");
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_ASSIGN_eventName(eDrop, "eDrop");
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_ASSIGN_eventName(eDragEnter, "eDragEnter");
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_ASSIGN_eventName(eDragExit, "eDragExit");
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_ASSIGN_eventName(eDragOver, "eDragOver");
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_ASSIGN_eventName(eEditorInput, "eEditorInput");
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_ASSIGN_eventName(eFocus, "eFocus");
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_ASSIGN_eventName(eFocusIn, "eFocusIn");
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_ASSIGN_eventName(eFocusOut, "eFocusOut");
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_ASSIGN_eventName(eFormSelect, "eFormSelect");
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_ASSIGN_eventName(eFormChange, "eFormChange");
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_ASSIGN_eventName(eFormReset, "eFormReset");
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_ASSIGN_eventName(eFormSubmit, "eFormSubmit");
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_ASSIGN_eventName(eImageAbort, "eImageAbort");
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_ASSIGN_eventName(eLoadError, "eLoadError");
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_ASSIGN_eventName(eKeyDown, "eKeyDown");
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_ASSIGN_eventName(eKeyPress, "eKeyPress");
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_ASSIGN_eventName(eKeyUp, "eKeyUp");
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_ASSIGN_eventName(eMouseEnterIntoWidget, "eMouseEnterIntoWidget");
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_ASSIGN_eventName(eMouseExitFromWidget, "eMouseExitFromWidget");
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_ASSIGN_eventName(eMouseDown, "eMouseDown");
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_ASSIGN_eventName(eMouseUp, "eMouseUp");
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_ASSIGN_eventName(eMouseClick, "eMouseClick");
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_ASSIGN_eventName(eMouseAuxClick, "eMouseAuxClick");
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_ASSIGN_eventName(eMouseDoubleClick, "eMouseDoubleClick");
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_ASSIGN_eventName(eMouseMove, "eMouseMove");
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_ASSIGN_eventName(eLoad, "eLoad");
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_ASSIGN_eventName(ePopState, "ePopState");
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_ASSIGN_eventName(eBeforeScriptExecute, "eBeforeScriptExecute");
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_ASSIGN_eventName(eAfterScriptExecute, "eAfterScriptExecute");
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_ASSIGN_eventName(eUnload, "eUnload");
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_ASSIGN_eventName(eHashChange, "eHashChange");
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_ASSIGN_eventName(eReadyStateChange, "eReadyStateChange");
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_ASSIGN_eventName(eXULBroadcast, "eXULBroadcast");
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_ASSIGN_eventName(eXULCommandUpdate, "eXULCommandUpdate");
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|
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# undef _ASSIGN_eventName
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|
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default: {
|
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eventName.AssignLiteral("UNKNOWN: ");
|
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eventName.AppendInt(aGuiEvent->mMessage);
|
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} break;
|
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}
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|
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return nsAutoString(eventName);
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}
|
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//////////////////////////////////////////////////////////////
|
|
//
|
|
// Code to deal with paint and event debug prefs.
|
|
//
|
|
//////////////////////////////////////////////////////////////
|
|
struct PrefPair {
|
|
const char* name;
|
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bool value;
|
|
};
|
|
|
|
static PrefPair debug_PrefValues[] = {
|
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{"nglayout.debug.crossing_event_dumping", false},
|
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{"nglayout.debug.event_dumping", false},
|
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{"nglayout.debug.invalidate_dumping", false},
|
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{"nglayout.debug.motion_event_dumping", false},
|
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{"nglayout.debug.paint_dumping", false},
|
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{"nglayout.debug.paint_flashing", false},
|
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{"nglayout.debug.paint_flashing_chrome", false}};
|
|
|
|
//////////////////////////////////////////////////////////////
|
|
bool nsBaseWidget::debug_GetCachedBoolPref(const char* aPrefName) {
|
|
NS_ASSERTION(nullptr != aPrefName, "cmon, pref name is null.");
|
|
|
|
for (uint32_t i = 0; i < ArrayLength(debug_PrefValues); i++) {
|
|
if (strcmp(debug_PrefValues[i].name, aPrefName) == 0) {
|
|
return debug_PrefValues[i].value;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
//////////////////////////////////////////////////////////////
|
|
static void debug_SetCachedBoolPref(const char* aPrefName, bool aValue) {
|
|
NS_ASSERTION(nullptr != aPrefName, "cmon, pref name is null.");
|
|
|
|
for (uint32_t i = 0; i < ArrayLength(debug_PrefValues); i++) {
|
|
if (strcmp(debug_PrefValues[i].name, aPrefName) == 0) {
|
|
debug_PrefValues[i].value = aValue;
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
NS_ASSERTION(false, "cmon, this code is not reached dude.");
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////
|
|
class Debug_PrefObserver final : public nsIObserver {
|
|
~Debug_PrefObserver() = default;
|
|
|
|
public:
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIOBSERVER
|
|
};
|
|
|
|
NS_IMPL_ISUPPORTS(Debug_PrefObserver, nsIObserver)
|
|
|
|
NS_IMETHODIMP
|
|
Debug_PrefObserver::Observe(nsISupports* subject, const char* topic,
|
|
const char16_t* data) {
|
|
NS_ConvertUTF16toUTF8 prefName(data);
|
|
|
|
bool value = Preferences::GetBool(prefName.get(), false);
|
|
debug_SetCachedBoolPref(prefName.get(), value);
|
|
return NS_OK;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////
|
|
/* static */ void debug_RegisterPrefCallbacks() {
|
|
static bool once = true;
|
|
|
|
if (!once) {
|
|
return;
|
|
}
|
|
|
|
once = false;
|
|
|
|
nsCOMPtr<nsIObserver> obs(new Debug_PrefObserver());
|
|
for (uint32_t i = 0; i < ArrayLength(debug_PrefValues); i++) {
|
|
// Initialize the pref values
|
|
debug_PrefValues[i].value =
|
|
Preferences::GetBool(debug_PrefValues[i].name, false);
|
|
|
|
if (obs) {
|
|
// Register callbacks for when these change
|
|
nsCString name;
|
|
name.AssignLiteral(debug_PrefValues[i].name,
|
|
strlen(debug_PrefValues[i].name));
|
|
Preferences::AddStrongObserver(obs, name);
|
|
}
|
|
}
|
|
}
|
|
//////////////////////////////////////////////////////////////
|
|
static int32_t _GetPrintCount() {
|
|
static int32_t sCount = 0;
|
|
|
|
return ++sCount;
|
|
}
|
|
//////////////////////////////////////////////////////////////
|
|
/* static */
|
|
bool nsBaseWidget::debug_WantPaintFlashing() {
|
|
return debug_GetCachedBoolPref("nglayout.debug.paint_flashing");
|
|
}
|
|
//////////////////////////////////////////////////////////////
|
|
/* static */
|
|
void nsBaseWidget::debug_DumpEvent(FILE* aFileOut, nsIWidget* aWidget,
|
|
WidgetGUIEvent* aGuiEvent,
|
|
const char* aWidgetName, int32_t aWindowID) {
|
|
if (aGuiEvent->mMessage == eMouseMove) {
|
|
if (!debug_GetCachedBoolPref("nglayout.debug.motion_event_dumping")) return;
|
|
}
|
|
|
|
if (aGuiEvent->mMessage == eMouseEnterIntoWidget ||
|
|
aGuiEvent->mMessage == eMouseExitFromWidget) {
|
|
if (!debug_GetCachedBoolPref("nglayout.debug.crossing_event_dumping"))
|
|
return;
|
|
}
|
|
|
|
if (!debug_GetCachedBoolPref("nglayout.debug.event_dumping")) return;
|
|
|
|
NS_LossyConvertUTF16toASCII tempString(
|
|
debug_GuiEventToString(aGuiEvent).get());
|
|
|
|
fprintf(aFileOut, "%4d %-26s widget=%-8p name=%-12s id=0x%-6x refpt=%d,%d\n",
|
|
_GetPrintCount(), tempString.get(), (void*)aWidget, aWidgetName,
|
|
aWindowID, aGuiEvent->mRefPoint.x, aGuiEvent->mRefPoint.y);
|
|
}
|
|
//////////////////////////////////////////////////////////////
|
|
/* static */
|
|
void nsBaseWidget::debug_DumpPaintEvent(FILE* aFileOut, nsIWidget* aWidget,
|
|
const nsIntRegion& aRegion,
|
|
const char* aWidgetName,
|
|
int32_t aWindowID) {
|
|
NS_ASSERTION(nullptr != aFileOut, "cmon, null output FILE");
|
|
NS_ASSERTION(nullptr != aWidget, "cmon, the widget is null");
|
|
|
|
if (!debug_GetCachedBoolPref("nglayout.debug.paint_dumping")) return;
|
|
|
|
nsIntRect rect = aRegion.GetBounds();
|
|
fprintf(aFileOut,
|
|
"%4d PAINT widget=%p name=%-12s id=0x%-6x bounds-rect=%3d,%-3d "
|
|
"%3d,%-3d",
|
|
_GetPrintCount(), (void*)aWidget, aWidgetName, aWindowID, rect.X(),
|
|
rect.Y(), rect.Width(), rect.Height());
|
|
|
|
fprintf(aFileOut, "\n");
|
|
}
|
|
//////////////////////////////////////////////////////////////
|
|
/* static */
|
|
void nsBaseWidget::debug_DumpInvalidate(FILE* aFileOut, nsIWidget* aWidget,
|
|
const LayoutDeviceIntRect* aRect,
|
|
const char* aWidgetName,
|
|
int32_t aWindowID) {
|
|
if (!debug_GetCachedBoolPref("nglayout.debug.invalidate_dumping")) return;
|
|
|
|
NS_ASSERTION(nullptr != aFileOut, "cmon, null output FILE");
|
|
NS_ASSERTION(nullptr != aWidget, "cmon, the widget is null");
|
|
|
|
fprintf(aFileOut, "%4d Invalidate widget=%p name=%-12s id=0x%-6x",
|
|
_GetPrintCount(), (void*)aWidget, aWidgetName, aWindowID);
|
|
|
|
if (aRect) {
|
|
fprintf(aFileOut, " rect=%3d,%-3d %3d,%-3d", aRect->X(), aRect->Y(),
|
|
aRect->Width(), aRect->Height());
|
|
} else {
|
|
fprintf(aFileOut, " rect=%-15s", "none");
|
|
}
|
|
|
|
fprintf(aFileOut, "\n");
|
|
}
|
|
//////////////////////////////////////////////////////////////
|
|
|
|
#endif // DEBUG
|