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369f54f3a3
In nsIWidget, GetBoundsUntyped(), GetClientBoundsUntyped() and GetScreenBoundsUntyped() are currently the primary implementations, and the untyped versions are defined on top of them. This patch flips that around. --HG-- extra : rebase_source : 15b2f08f90bf4d1e209c6cb885f6a6e3b8db6708
1351 lines
36 KiB
C++
1351 lines
36 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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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 "base/basictypes.h"
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#include "ClientLayerManager.h"
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#include "gfxPlatform.h"
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#include "mozilla/dom/TabChild.h"
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#include "mozilla/Hal.h"
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#include "mozilla/IMEStateManager.h"
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#include "mozilla/layers/CompositorChild.h"
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#include "mozilla/layers/PLayerTransactionChild.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/TextComposition.h"
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#include "mozilla/TextEvents.h"
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#include "mozilla/unused.h"
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#include "PuppetWidget.h"
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#include "nsIWidgetListener.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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using namespace mozilla::hal;
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using namespace mozilla::gfx;
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using namespace mozilla::layers;
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using namespace mozilla::widget;
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static void
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InvalidateRegion(nsIWidget* aWidget, const nsIntRegion& aRegion)
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{
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nsIntRegionRectIterator it(aRegion);
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while(const nsIntRect* r = it.Next()) {
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aWidget->Invalidate(*r);
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}
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}
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/*static*/ already_AddRefed<nsIWidget>
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nsIWidget::CreatePuppetWidget(TabChild* aTabChild)
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{
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MOZ_ASSERT(!aTabChild || nsIWidget::UsePuppetWidgets(),
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"PuppetWidgets not allowed in this configuration");
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nsCOMPtr<nsIWidget> widget = new PuppetWidget(aTabChild);
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return widget.forget();
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}
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namespace mozilla {
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namespace widget {
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static bool
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IsPopup(const nsWidgetInitData* aInitData)
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{
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return aInitData && aInitData->mWindowType == eWindowType_popup;
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}
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static bool
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MightNeedIMEFocus(const nsWidgetInitData* aInitData)
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{
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// In the puppet-widget world, popup widgets are just dummies and
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// shouldn't try to mess with IME state.
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#ifdef MOZ_CROSS_PROCESS_IME
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return !IsPopup(aInitData);
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#else
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return false;
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#endif
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}
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// Arbitrary, fungible.
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const size_t PuppetWidget::kMaxDimension = 4000;
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NS_IMPL_ISUPPORTS_INHERITED0(PuppetWidget, nsBaseWidget)
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PuppetWidget::PuppetWidget(TabChild* aTabChild)
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: mTabChild(aTabChild)
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, mMemoryPressureObserver(nullptr)
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, mDPI(-1)
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, mDefaultScale(-1)
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, mNativeKeyCommandsValid(false)
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, mCursorHotspotX(0)
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, mCursorHotspotY(0)
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{
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MOZ_COUNT_CTOR(PuppetWidget);
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mSingleLineCommands.SetCapacity(4);
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mMultiLineCommands.SetCapacity(4);
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mRichTextCommands.SetCapacity(4);
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}
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PuppetWidget::~PuppetWidget()
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{
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MOZ_COUNT_DTOR(PuppetWidget);
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Destroy();
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}
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NS_IMETHODIMP
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PuppetWidget::Create(nsIWidget *aParent,
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nsNativeWidget aNativeParent,
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const nsIntRect &aRect,
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nsWidgetInitData *aInitData)
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{
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MOZ_ASSERT(!aNativeParent, "got a non-Puppet native parent");
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BaseCreate(nullptr, aRect, aInitData);
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mBounds = aRect;
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mEnabled = true;
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mVisible = true;
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mDrawTarget = gfxPlatform::GetPlatform()->
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CreateOffscreenContentDrawTarget(IntSize(1, 1), SurfaceFormat::B8G8R8A8);
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mNeedIMEStateInit = MightNeedIMEFocus(aInitData);
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PuppetWidget* parent = static_cast<PuppetWidget*>(aParent);
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if (parent) {
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parent->SetChild(this);
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mLayerManager = parent->GetLayerManager();
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}
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else {
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Resize(mBounds.x, mBounds.y, mBounds.width, mBounds.height, false);
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}
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nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
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if (obs) {
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mMemoryPressureObserver = new MemoryPressureObserver(this);
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obs->AddObserver(mMemoryPressureObserver, "memory-pressure", false);
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}
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return NS_OK;
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}
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void
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PuppetWidget::InitIMEState()
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{
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MOZ_ASSERT(mTabChild);
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if (mNeedIMEStateInit) {
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mContentCache.Clear();
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mTabChild->SendUpdateContentCache(mContentCache);
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mIMEPreferenceOfParent = nsIMEUpdatePreference();
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mNeedIMEStateInit = false;
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}
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}
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already_AddRefed<nsIWidget>
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PuppetWidget::CreateChild(const nsIntRect &aRect,
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nsWidgetInitData *aInitData,
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bool aForceUseIWidgetParent)
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{
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bool isPopup = IsPopup(aInitData);
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nsCOMPtr<nsIWidget> widget = nsIWidget::CreatePuppetWidget(mTabChild);
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return ((widget &&
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NS_SUCCEEDED(widget->Create(isPopup ? nullptr: this, nullptr, aRect,
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aInitData))) ?
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widget.forget() : nullptr);
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}
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NS_IMETHODIMP
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PuppetWidget::Destroy()
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{
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Base::OnDestroy();
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Base::Destroy();
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mPaintTask.Revoke();
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if (mMemoryPressureObserver) {
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mMemoryPressureObserver->Remove();
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}
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mMemoryPressureObserver = nullptr;
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mChild = nullptr;
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if (mLayerManager) {
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mLayerManager->Destroy();
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}
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mLayerManager = nullptr;
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mTabChild = nullptr;
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return NS_OK;
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}
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NS_IMETHODIMP
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PuppetWidget::Show(bool aState)
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{
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NS_ASSERTION(mEnabled,
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"does it make sense to Show()/Hide() a disabled widget?");
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bool wasVisible = mVisible;
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mVisible = aState;
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if (mChild) {
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mChild->mVisible = aState;
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}
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if (!wasVisible && mVisible) {
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Resize(mBounds.width, mBounds.height, false);
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Invalidate(mBounds);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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PuppetWidget::Resize(double aWidth,
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double aHeight,
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bool aRepaint)
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{
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nsIntRect oldBounds = mBounds;
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mBounds.SizeTo(nsIntSize(NSToIntRound(aWidth), NSToIntRound(aHeight)));
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if (mChild) {
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return mChild->Resize(aWidth, aHeight, aRepaint);
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}
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// XXX: roc says that |aRepaint| dictates whether or not to
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// invalidate the expanded area
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if (oldBounds.Size() < mBounds.Size() && aRepaint) {
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nsIntRegion dirty(mBounds);
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dirty.Sub(dirty, oldBounds);
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InvalidateRegion(this, dirty);
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}
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// call WindowResized() on both the current listener, and possibly
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// also the previous one if we're in a state where we're drawing that one
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// because the current one is paint suppressed
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if (!oldBounds.IsEqualEdges(mBounds) && mAttachedWidgetListener) {
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if (GetCurrentWidgetListener() &&
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GetCurrentWidgetListener() != mAttachedWidgetListener) {
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GetCurrentWidgetListener()->WindowResized(this, mBounds.width, mBounds.height);
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}
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mAttachedWidgetListener->WindowResized(this, mBounds.width, mBounds.height);
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}
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return NS_OK;
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}
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nsresult
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PuppetWidget::ConfigureChildren(const nsTArray<Configuration>& aConfigurations)
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{
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for (uint32_t i = 0; i < aConfigurations.Length(); ++i) {
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const Configuration& configuration = aConfigurations[i];
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PuppetWidget* w = static_cast<PuppetWidget*>(configuration.mChild.get());
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NS_ASSERTION(w->GetParent() == this,
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"Configured widget is not a child");
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w->SetWindowClipRegion(configuration.mClipRegion, true);
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LayoutDeviceIntRect bounds;
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w->GetBounds(bounds);
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if (bounds.Size() != configuration.mBounds.Size()) {
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w->Resize(configuration.mBounds.x, configuration.mBounds.y,
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configuration.mBounds.width, configuration.mBounds.height,
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true);
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} else if (bounds.TopLeft() != configuration.mBounds.TopLeft()) {
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w->Move(configuration.mBounds.x, configuration.mBounds.y);
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}
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w->SetWindowClipRegion(configuration.mClipRegion, false);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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PuppetWidget::SetFocus(bool aRaise)
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{
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if (aRaise && mTabChild) {
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mTabChild->SendRequestFocus(true);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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PuppetWidget::Invalidate(const nsIntRect& aRect)
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{
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#ifdef DEBUG
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debug_DumpInvalidate(stderr, this, &aRect,
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nsAutoCString("PuppetWidget"), 0);
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#endif
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if (mChild) {
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return mChild->Invalidate(aRect);
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}
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mDirtyRegion.Or(mDirtyRegion, aRect);
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if (!mDirtyRegion.IsEmpty() && !mPaintTask.IsPending()) {
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mPaintTask = new PaintTask(this);
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return NS_DispatchToCurrentThread(mPaintTask.get());
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}
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return NS_OK;
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}
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void
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PuppetWidget::InitEvent(WidgetGUIEvent& event, LayoutDeviceIntPoint* aPoint)
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{
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if (nullptr == aPoint) {
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event.refPoint.x = 0;
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event.refPoint.y = 0;
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} else {
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// use the point override if provided
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event.refPoint = *aPoint;
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}
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event.time = PR_Now() / 1000;
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}
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NS_IMETHODIMP
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PuppetWidget::DispatchEvent(WidgetGUIEvent* event, nsEventStatus& aStatus)
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{
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#ifdef DEBUG
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debug_DumpEvent(stdout, event->widget, event,
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nsAutoCString("PuppetWidget"), 0);
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#endif
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MOZ_ASSERT(!mChild || mChild->mWindowType == eWindowType_popup,
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"Unexpected event dispatch!");
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AutoCacheNativeKeyCommands autoCache(this);
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if (event->mFlags.mIsSynthesizedForTests && !mNativeKeyCommandsValid) {
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WidgetKeyboardEvent* keyEvent = event->AsKeyboardEvent();
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if (keyEvent) {
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mTabChild->RequestNativeKeyBindings(&autoCache, keyEvent);
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}
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}
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aStatus = nsEventStatus_eIgnore;
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if (GetCurrentWidgetListener()) {
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aStatus = GetCurrentWidgetListener()->HandleEvent(event, mUseAttachedEvents);
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}
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return NS_OK;
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}
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nsEventStatus
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PuppetWidget::DispatchInputEvent(WidgetInputEvent* aEvent)
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{
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if (!mTabChild) {
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return nsEventStatus_eIgnore;
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}
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switch (aEvent->mClass) {
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case eMouseEventClass:
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Unused <<
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mTabChild->SendDispatchMouseEvent(*aEvent->AsMouseEvent());
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break;
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case eKeyboardEventClass:
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Unused <<
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mTabChild->SendDispatchKeyboardEvent(*aEvent->AsKeyboardEvent());
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break;
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default:
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MOZ_ASSERT_UNREACHABLE("unsupported event type");
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}
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return nsEventStatus_eIgnore;
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}
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nsEventStatus
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PuppetWidget::DispatchAPZAwareEvent(WidgetInputEvent* aEvent)
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{
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if (!AsyncPanZoomEnabled()) {
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nsEventStatus status = nsEventStatus_eIgnore;
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DispatchEvent(aEvent, status);
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return status;
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}
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if (!mTabChild) {
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return nsEventStatus_eIgnore;
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}
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switch (aEvent->mClass) {
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case eWheelEventClass:
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Unused <<
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mTabChild->SendDispatchWheelEvent(*aEvent->AsWheelEvent());
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break;
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default:
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MOZ_ASSERT_UNREACHABLE("unsupported event type");
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}
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return nsEventStatus_eIgnore;
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}
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nsresult
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PuppetWidget::SynthesizeNativeKeyEvent(int32_t aNativeKeyboardLayout,
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int32_t aNativeKeyCode,
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uint32_t aModifierFlags,
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const nsAString& aCharacters,
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const nsAString& aUnmodifiedCharacters,
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nsIObserver* aObserver)
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{
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AutoObserverNotifier notifier(aObserver, "keyevent");
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if (!mTabChild) {
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return NS_ERROR_FAILURE;
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}
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mTabChild->SendSynthesizeNativeKeyEvent(aNativeKeyboardLayout, aNativeKeyCode,
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aModifierFlags, nsString(aCharacters), nsString(aUnmodifiedCharacters),
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notifier.SaveObserver());
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return NS_OK;
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}
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nsresult
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PuppetWidget::SynthesizeNativeMouseEvent(mozilla::LayoutDeviceIntPoint aPoint,
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uint32_t aNativeMessage,
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uint32_t aModifierFlags,
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nsIObserver* aObserver)
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{
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AutoObserverNotifier notifier(aObserver, "mouseevent");
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if (!mTabChild) {
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return NS_ERROR_FAILURE;
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}
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mTabChild->SendSynthesizeNativeMouseEvent(aPoint, aNativeMessage,
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aModifierFlags, notifier.SaveObserver());
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return NS_OK;
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}
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nsresult
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PuppetWidget::SynthesizeNativeMouseMove(mozilla::LayoutDeviceIntPoint aPoint,
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nsIObserver* aObserver)
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{
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AutoObserverNotifier notifier(aObserver, "mousemove");
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if (!mTabChild) {
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return NS_ERROR_FAILURE;
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}
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mTabChild->SendSynthesizeNativeMouseMove(aPoint, notifier.SaveObserver());
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return NS_OK;
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}
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nsresult
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PuppetWidget::SynthesizeNativeMouseScrollEvent(mozilla::LayoutDeviceIntPoint aPoint,
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uint32_t aNativeMessage,
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double aDeltaX,
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double aDeltaY,
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double aDeltaZ,
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uint32_t aModifierFlags,
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uint32_t aAdditionalFlags,
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nsIObserver* aObserver)
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{
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AutoObserverNotifier notifier(aObserver, "mousescrollevent");
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if (!mTabChild) {
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return NS_ERROR_FAILURE;
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}
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mTabChild->SendSynthesizeNativeMouseScrollEvent(aPoint, aNativeMessage,
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aDeltaX, aDeltaY, aDeltaZ, aModifierFlags, aAdditionalFlags,
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notifier.SaveObserver());
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return NS_OK;
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}
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nsresult
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PuppetWidget::SynthesizeNativeTouchPoint(uint32_t aPointerId,
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TouchPointerState aPointerState,
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nsIntPoint aPointerScreenPoint,
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double aPointerPressure,
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uint32_t aPointerOrientation,
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nsIObserver* aObserver)
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{
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AutoObserverNotifier notifier(aObserver, "touchpoint");
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if (!mTabChild) {
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return NS_ERROR_FAILURE;
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}
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mTabChild->SendSynthesizeNativeTouchPoint(aPointerId, aPointerState,
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aPointerScreenPoint, aPointerPressure, aPointerOrientation,
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notifier.SaveObserver());
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return NS_OK;
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}
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nsresult
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PuppetWidget::SynthesizeNativeTouchTap(nsIntPoint aPointerScreenPoint,
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bool aLongTap,
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nsIObserver* aObserver)
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{
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AutoObserverNotifier notifier(aObserver, "touchtap");
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if (!mTabChild) {
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return NS_ERROR_FAILURE;
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}
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mTabChild->SendSynthesizeNativeTouchTap(aPointerScreenPoint, aLongTap,
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notifier.SaveObserver());
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return NS_OK;
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}
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nsresult
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PuppetWidget::ClearNativeTouchSequence(nsIObserver* aObserver)
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{
|
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AutoObserverNotifier notifier(aObserver, "cleartouch");
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if (!mTabChild) {
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return NS_ERROR_FAILURE;
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}
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mTabChild->SendClearNativeTouchSequence(notifier.SaveObserver());
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return NS_OK;
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}
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|
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void
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PuppetWidget::SetConfirmedTargetAPZC(uint64_t aInputBlockId,
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const nsTArray<ScrollableLayerGuid>& aTargets) const
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{
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if (mTabChild) {
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mTabChild->SendSetTargetAPZC(aInputBlockId, aTargets);
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}
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}
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void
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PuppetWidget::UpdateZoomConstraints(const uint32_t& aPresShellId,
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const FrameMetrics::ViewID& aViewId,
|
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const Maybe<ZoomConstraints>& aConstraints)
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{
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if (mTabChild) {
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mTabChild->DoUpdateZoomConstraints(aPresShellId, aViewId, aConstraints);
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}
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}
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bool
|
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PuppetWidget::AsyncPanZoomEnabled() const
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{
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return mTabChild && mTabChild->AsyncPanZoomEnabled();
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}
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NS_IMETHODIMP_(bool)
|
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PuppetWidget::ExecuteNativeKeyBinding(NativeKeyBindingsType aType,
|
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const mozilla::WidgetKeyboardEvent& aEvent,
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DoCommandCallback aCallback,
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void* aCallbackData)
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|
{
|
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// B2G doesn't have native key bindings.
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#ifdef MOZ_WIDGET_GONK
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return false;
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#else // #ifdef MOZ_WIDGET_GONK
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MOZ_ASSERT(mNativeKeyCommandsValid);
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|
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const nsTArray<mozilla::CommandInt>* commands = nullptr;
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switch (aType) {
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case nsIWidget::NativeKeyBindingsForSingleLineEditor:
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commands = &mSingleLineCommands;
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break;
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case nsIWidget::NativeKeyBindingsForMultiLineEditor:
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commands = &mMultiLineCommands;
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break;
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case nsIWidget::NativeKeyBindingsForRichTextEditor:
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commands = &mRichTextCommands;
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break;
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default:
|
|
MOZ_CRASH("Invalid type");
|
|
break;
|
|
}
|
|
|
|
if (commands->IsEmpty()) {
|
|
return false;
|
|
}
|
|
|
|
for (uint32_t i = 0; i < commands->Length(); i++) {
|
|
aCallback(static_cast<mozilla::Command>((*commands)[i]), aCallbackData);
|
|
}
|
|
return true;
|
|
#endif
|
|
}
|
|
|
|
LayerManager*
|
|
PuppetWidget::GetLayerManager(PLayerTransactionChild* aShadowManager,
|
|
LayersBackend aBackendHint,
|
|
LayerManagerPersistence aPersistence,
|
|
bool* aAllowRetaining)
|
|
{
|
|
if (!mLayerManager) {
|
|
mLayerManager = new ClientLayerManager(this);
|
|
}
|
|
ShadowLayerForwarder* lf = mLayerManager->AsShadowForwarder();
|
|
if (!lf->HasShadowManager() && aShadowManager) {
|
|
lf->SetShadowManager(aShadowManager);
|
|
}
|
|
if (aAllowRetaining) {
|
|
*aAllowRetaining = true;
|
|
}
|
|
return mLayerManager;
|
|
}
|
|
|
|
nsresult
|
|
PuppetWidget::IMEEndComposition(bool aCancel)
|
|
{
|
|
#ifndef MOZ_CROSS_PROCESS_IME
|
|
return NS_OK;
|
|
#endif
|
|
|
|
nsEventStatus status;
|
|
bool noCompositionEvent = true;
|
|
WidgetCompositionEvent compositionCommitEvent(true, eCompositionCommit, this);
|
|
InitEvent(compositionCommitEvent, nullptr);
|
|
// SendEndIMEComposition is always called since ResetInputState
|
|
// should always be called even if we aren't composing something.
|
|
if (!mTabChild ||
|
|
!mTabChild->SendEndIMEComposition(aCancel, &noCompositionEvent,
|
|
&compositionCommitEvent.mData)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
if (noCompositionEvent) {
|
|
return NS_OK;
|
|
}
|
|
|
|
DispatchEvent(&compositionCommitEvent, status);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
PuppetWidget::NotifyIMEInternal(const IMENotification& aIMENotification)
|
|
{
|
|
switch (aIMENotification.mMessage) {
|
|
case REQUEST_TO_COMMIT_COMPOSITION:
|
|
return IMEEndComposition(false);
|
|
case REQUEST_TO_CANCEL_COMPOSITION:
|
|
return IMEEndComposition(true);
|
|
case NOTIFY_IME_OF_FOCUS:
|
|
case NOTIFY_IME_OF_BLUR:
|
|
return NotifyIMEOfFocusChange(aIMENotification);
|
|
case NOTIFY_IME_OF_SELECTION_CHANGE:
|
|
return NotifyIMEOfSelectionChange(aIMENotification);
|
|
case NOTIFY_IME_OF_TEXT_CHANGE:
|
|
return NotifyIMEOfTextChange(aIMENotification);
|
|
case NOTIFY_IME_OF_COMPOSITION_UPDATE:
|
|
return NotifyIMEOfCompositionUpdate(aIMENotification);
|
|
case NOTIFY_IME_OF_MOUSE_BUTTON_EVENT:
|
|
return NotifyIMEOfMouseButtonEvent(aIMENotification);
|
|
case NOTIFY_IME_OF_POSITION_CHANGE:
|
|
return NotifyIMEOfPositionChange(aIMENotification);
|
|
default:
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetWidget::StartPluginIME(const mozilla::WidgetKeyboardEvent& aKeyboardEvent,
|
|
int32_t aPanelX, int32_t aPanelY,
|
|
nsString& aCommitted)
|
|
{
|
|
if (!mTabChild ||
|
|
!mTabChild->SendStartPluginIME(aKeyboardEvent, aPanelX,
|
|
aPanelY, &aCommitted)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetWidget::SetPluginFocused(bool& aFocused)
|
|
{
|
|
if (!mTabChild || !mTabChild->SendSetPluginFocused(aFocused)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP_(void)
|
|
PuppetWidget::SetInputContext(const InputContext& aContext,
|
|
const InputContextAction& aAction)
|
|
{
|
|
mInputContext = aContext;
|
|
|
|
#ifndef MOZ_CROSS_PROCESS_IME
|
|
return;
|
|
#endif
|
|
|
|
if (!mTabChild) {
|
|
return;
|
|
}
|
|
mTabChild->SendSetInputContext(
|
|
static_cast<int32_t>(aContext.mIMEState.mEnabled),
|
|
static_cast<int32_t>(aContext.mIMEState.mOpen),
|
|
aContext.mHTMLInputType,
|
|
aContext.mHTMLInputInputmode,
|
|
aContext.mActionHint,
|
|
static_cast<int32_t>(aAction.mCause),
|
|
static_cast<int32_t>(aAction.mFocusChange));
|
|
}
|
|
|
|
NS_IMETHODIMP_(InputContext)
|
|
PuppetWidget::GetInputContext()
|
|
{
|
|
#ifndef MOZ_CROSS_PROCESS_IME
|
|
return InputContext();
|
|
#endif
|
|
|
|
InputContext context;
|
|
if (mTabChild) {
|
|
int32_t enabled, open;
|
|
intptr_t nativeIMEContext;
|
|
mTabChild->SendGetInputContext(&enabled, &open, &nativeIMEContext);
|
|
context.mIMEState.mEnabled = static_cast<IMEState::Enabled>(enabled);
|
|
context.mIMEState.mOpen = static_cast<IMEState::Open>(open);
|
|
context.mNativeIMEContext = reinterpret_cast<void*>(nativeIMEContext);
|
|
}
|
|
return context;
|
|
}
|
|
|
|
nsresult
|
|
PuppetWidget::NotifyIMEOfFocusChange(const IMENotification& aIMENotification)
|
|
{
|
|
#ifndef MOZ_CROSS_PROCESS_IME
|
|
return NS_OK;
|
|
#endif
|
|
|
|
if (!mTabChild)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
bool gotFocus = aIMENotification.mMessage == NOTIFY_IME_OF_FOCUS;
|
|
if (gotFocus) {
|
|
if (mInputContext.mIMEState.mEnabled != IMEState::PLUGIN) {
|
|
// When IME gets focus, we should initalize all information of the
|
|
// content.
|
|
if (NS_WARN_IF(!mContentCache.CacheAll(this, &aIMENotification))) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
} else {
|
|
// However, if a plugin has focus, only the editor rect information is
|
|
// available.
|
|
if (NS_WARN_IF(!mContentCache.CacheEditorRect(this, &aIMENotification))) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
}
|
|
} else {
|
|
// When IME loses focus, we don't need to store anything.
|
|
mContentCache.Clear();
|
|
}
|
|
|
|
mIMEPreferenceOfParent = nsIMEUpdatePreference();
|
|
if (!mTabChild->SendNotifyIMEFocus(mContentCache, aIMENotification,
|
|
&mIMEPreferenceOfParent)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
PuppetWidget::NotifyIMEOfCompositionUpdate(
|
|
const IMENotification& aIMENotification)
|
|
{
|
|
#ifndef MOZ_CROSS_PROCESS_IME
|
|
return NS_OK;
|
|
#endif
|
|
|
|
NS_ENSURE_TRUE(mTabChild, NS_ERROR_FAILURE);
|
|
|
|
if (mInputContext.mIMEState.mEnabled != IMEState::PLUGIN &&
|
|
NS_WARN_IF(!mContentCache.CacheSelection(this, &aIMENotification))) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
mTabChild->SendNotifyIMECompositionUpdate(mContentCache, aIMENotification);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsIMEUpdatePreference
|
|
PuppetWidget::GetIMEUpdatePreference()
|
|
{
|
|
#ifdef MOZ_CROSS_PROCESS_IME
|
|
// e10s requires IME content cache in in the TabParent for handling query
|
|
// content event only with the parent process. Therefore, this process
|
|
// needs to receive a lot of information from the focused editor to sent
|
|
// the latest content to the parent process.
|
|
if (mInputContext.mIMEState.mEnabled == IMEState::PLUGIN) {
|
|
// But if a plugin has focus, we cannot receive text nor selection change
|
|
// in the plugin. Therefore, PuppetWidget needs to receive only position
|
|
// change event for updating the editor rect cache.
|
|
return nsIMEUpdatePreference(mIMEPreferenceOfParent.mWantUpdates |
|
|
nsIMEUpdatePreference::NOTIFY_POSITION_CHANGE);
|
|
}
|
|
return nsIMEUpdatePreference(mIMEPreferenceOfParent.mWantUpdates |
|
|
nsIMEUpdatePreference::NOTIFY_SELECTION_CHANGE |
|
|
nsIMEUpdatePreference::NOTIFY_TEXT_CHANGE |
|
|
nsIMEUpdatePreference::NOTIFY_POSITION_CHANGE );
|
|
#else
|
|
// B2G doesn't handle IME as widget-level.
|
|
return nsIMEUpdatePreference();
|
|
#endif
|
|
}
|
|
|
|
nsresult
|
|
PuppetWidget::NotifyIMEOfTextChange(const IMENotification& aIMENotification)
|
|
{
|
|
MOZ_ASSERT(aIMENotification.mMessage == NOTIFY_IME_OF_TEXT_CHANGE,
|
|
"Passed wrong notification");
|
|
|
|
#ifndef MOZ_CROSS_PROCESS_IME
|
|
return NS_OK;
|
|
#endif
|
|
|
|
if (!mTabChild)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// While a plugin has focus, text change notification shouldn't be available.
|
|
if (NS_WARN_IF(mInputContext.mIMEState.mEnabled == IMEState::PLUGIN)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// FYI: text change notification is the first notification after
|
|
// a user operation changes the content. So, we need to modify
|
|
// the cache as far as possible here.
|
|
|
|
if (NS_WARN_IF(!mContentCache.CacheText(this, &aIMENotification))) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// TabParent doesn't this this to cache. we don't send the notification
|
|
// if parent process doesn't request NOTIFY_TEXT_CHANGE.
|
|
if (mIMEPreferenceOfParent.WantTextChange() &&
|
|
(mIMEPreferenceOfParent.WantChangesCausedByComposition() ||
|
|
!aIMENotification.mTextChangeData.mCausedByComposition)) {
|
|
mTabChild->SendNotifyIMETextChange(mContentCache, aIMENotification);
|
|
} else {
|
|
mTabChild->SendUpdateContentCache(mContentCache);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
PuppetWidget::NotifyIMEOfSelectionChange(
|
|
const IMENotification& aIMENotification)
|
|
{
|
|
MOZ_ASSERT(aIMENotification.mMessage == NOTIFY_IME_OF_SELECTION_CHANGE,
|
|
"Passed wrong notification");
|
|
|
|
#ifndef MOZ_CROSS_PROCESS_IME
|
|
return NS_OK;
|
|
#endif
|
|
|
|
if (!mTabChild)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
// While a plugin has focus, selection change notification shouldn't be
|
|
// available.
|
|
if (NS_WARN_IF(mInputContext.mIMEState.mEnabled == IMEState::PLUGIN)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Note that selection change must be notified after text change if it occurs.
|
|
// Therefore, we don't need to query text content again here.
|
|
mContentCache.SetSelection(
|
|
this,
|
|
aIMENotification.mSelectionChangeData.mOffset,
|
|
aIMENotification.mSelectionChangeData.Length(),
|
|
aIMENotification.mSelectionChangeData.mReversed,
|
|
aIMENotification.mSelectionChangeData.GetWritingMode());
|
|
|
|
if (mIMEPreferenceOfParent.WantSelectionChange() &&
|
|
(mIMEPreferenceOfParent.WantChangesCausedByComposition() ||
|
|
!aIMENotification.mSelectionChangeData.mCausedByComposition)) {
|
|
mTabChild->SendNotifyIMESelection(mContentCache, aIMENotification);
|
|
} else {
|
|
mTabChild->SendUpdateContentCache(mContentCache);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
PuppetWidget::NotifyIMEOfMouseButtonEvent(
|
|
const IMENotification& aIMENotification)
|
|
{
|
|
if (!mTabChild) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// While a plugin has focus, mouse button event notification shouldn't be
|
|
// available.
|
|
if (NS_WARN_IF(mInputContext.mIMEState.mEnabled == IMEState::PLUGIN)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
|
|
bool consumedByIME = false;
|
|
if (!mTabChild->SendNotifyIMEMouseButtonEvent(aIMENotification,
|
|
&consumedByIME)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return consumedByIME ? NS_SUCCESS_EVENT_CONSUMED : NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
PuppetWidget::NotifyIMEOfPositionChange(const IMENotification& aIMENotification)
|
|
{
|
|
#ifndef MOZ_CROSS_PROCESS_IME
|
|
return NS_OK;
|
|
#endif
|
|
if (NS_WARN_IF(!mTabChild)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
if (NS_WARN_IF(!mContentCache.CacheEditorRect(this, &aIMENotification))) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
// While a plugin has focus, selection range isn't available. So, we don't
|
|
// need to cache it at that time.
|
|
if (mInputContext.mIMEState.mEnabled != IMEState::PLUGIN &&
|
|
NS_WARN_IF(!mContentCache.CacheSelection(this, &aIMENotification))) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
if (mIMEPreferenceOfParent.WantPositionChanged()) {
|
|
mTabChild->SendNotifyIMEPositionChange(mContentCache, aIMENotification);
|
|
} else {
|
|
mTabChild->SendUpdateContentCache(mContentCache);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetWidget::SetCursor(nsCursor aCursor)
|
|
{
|
|
if (mCursor == aCursor && !mCustomCursor && !mUpdateCursor) {
|
|
return NS_OK;
|
|
}
|
|
|
|
mCustomCursor = nullptr;
|
|
|
|
if (mTabChild &&
|
|
!mTabChild->SendSetCursor(aCursor, mUpdateCursor)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
mCursor = aCursor;
|
|
mUpdateCursor = false;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetWidget::SetCursor(imgIContainer* aCursor,
|
|
uint32_t aHotspotX, uint32_t aHotspotY)
|
|
{
|
|
if (!aCursor || !mTabChild) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (mCustomCursor == aCursor &&
|
|
mCursorHotspotX == aHotspotX &&
|
|
mCursorHotspotY == aHotspotY &&
|
|
!mUpdateCursor) {
|
|
return NS_OK;
|
|
}
|
|
|
|
RefPtr<mozilla::gfx::SourceSurface> surface =
|
|
aCursor->GetFrame(imgIContainer::FRAME_CURRENT,
|
|
imgIContainer::FLAG_SYNC_DECODE);
|
|
if (!surface) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
RefPtr<mozilla::gfx::DataSourceSurface> dataSurface =
|
|
surface->GetDataSurface();
|
|
size_t length;
|
|
int32_t stride;
|
|
mozilla::UniquePtr<char[]> surfaceData =
|
|
nsContentUtils::GetSurfaceData(dataSurface, &length, &stride);
|
|
|
|
nsCString cursorData = nsCString(surfaceData.get(), length);
|
|
mozilla::gfx::IntSize size = dataSurface->GetSize();
|
|
if (!mTabChild->SendSetCustomCursor(cursorData, size.width, size.height, stride,
|
|
static_cast<uint8_t>(dataSurface->GetFormat()),
|
|
aHotspotX, aHotspotY, mUpdateCursor)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
mCursor = nsCursor(-1);
|
|
mCustomCursor = aCursor;
|
|
mCursorHotspotX = aHotspotX;
|
|
mCursorHotspotY = aHotspotY;
|
|
mUpdateCursor = false;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
PuppetWidget::ClearCachedCursor()
|
|
{
|
|
nsBaseWidget::ClearCachedCursor();
|
|
mCustomCursor = nullptr;
|
|
}
|
|
|
|
nsresult
|
|
PuppetWidget::Paint()
|
|
{
|
|
MOZ_ASSERT(!mDirtyRegion.IsEmpty(), "paint event logic messed up");
|
|
|
|
if (!GetCurrentWidgetListener())
|
|
return NS_OK;
|
|
|
|
nsIntRegion region = mDirtyRegion;
|
|
|
|
// reset repaint tracking
|
|
mDirtyRegion.SetEmpty();
|
|
mPaintTask.Revoke();
|
|
|
|
GetCurrentWidgetListener()->WillPaintWindow(this);
|
|
|
|
if (GetCurrentWidgetListener()) {
|
|
#ifdef DEBUG
|
|
debug_DumpPaintEvent(stderr, this, region,
|
|
nsAutoCString("PuppetWidget"), 0);
|
|
#endif
|
|
|
|
if (mozilla::layers::LayersBackend::LAYERS_CLIENT == mLayerManager->GetBackendType()) {
|
|
// Do nothing, the compositor will handle drawing
|
|
if (mTabChild) {
|
|
mTabChild->NotifyPainted();
|
|
}
|
|
} else {
|
|
RefPtr<gfxContext> ctx = new gfxContext(mDrawTarget);
|
|
ctx->Rectangle(gfxRect(0,0,0,0));
|
|
ctx->Clip();
|
|
AutoLayerManagerSetup setupLayerManager(this, ctx,
|
|
BufferMode::BUFFER_NONE);
|
|
GetCurrentWidgetListener()->PaintWindow(this, region);
|
|
if (mTabChild) {
|
|
mTabChild->NotifyPainted();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (GetCurrentWidgetListener()) {
|
|
GetCurrentWidgetListener()->DidPaintWindow();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
PuppetWidget::SetChild(PuppetWidget* aChild)
|
|
{
|
|
MOZ_ASSERT(this != aChild, "can't parent a widget to itself");
|
|
MOZ_ASSERT(!aChild->mChild,
|
|
"fake widget 'hierarchy' only expected to have one level");
|
|
|
|
mChild = aChild;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetWidget::PaintTask::Run()
|
|
{
|
|
if (mWidget) {
|
|
mWidget->Paint();
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS(PuppetWidget::MemoryPressureObserver, nsIObserver)
|
|
|
|
NS_IMETHODIMP
|
|
PuppetWidget::MemoryPressureObserver::Observe(nsISupports* aSubject,
|
|
const char* aTopic,
|
|
const char16_t* aData)
|
|
{
|
|
if (!mWidget) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (strcmp("memory-pressure", aTopic) == 0 &&
|
|
!NS_LITERAL_STRING("lowering-priority").Equals(aData)) {
|
|
if (!mWidget->mVisible && mWidget->mLayerManager &&
|
|
XRE_IsContentProcess()) {
|
|
mWidget->mLayerManager->ClearCachedResources();
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
PuppetWidget::MemoryPressureObserver::Remove()
|
|
{
|
|
nsCOMPtr<nsIObserverService> obs = mozilla::services::GetObserverService();
|
|
if (obs) {
|
|
obs->RemoveObserver(this, "memory-pressure");
|
|
}
|
|
mWidget = nullptr;
|
|
}
|
|
|
|
bool
|
|
PuppetWidget::NeedsPaint()
|
|
{
|
|
// e10s popups are handled by the parent process, so never should be painted here
|
|
if (XRE_IsContentProcess() &&
|
|
Preferences::GetBool("browser.tabs.remote.desktopbehavior", false) &&
|
|
mWindowType == eWindowType_popup) {
|
|
NS_WARNING("Trying to paint an e10s popup in the child process!");
|
|
return false;
|
|
}
|
|
|
|
return mVisible;
|
|
}
|
|
|
|
float
|
|
PuppetWidget::GetDPI()
|
|
{
|
|
if (mDPI < 0) {
|
|
if (mTabChild) {
|
|
mTabChild->GetDPI(&mDPI);
|
|
} else {
|
|
mDPI = 96.0;
|
|
}
|
|
}
|
|
|
|
return mDPI;
|
|
}
|
|
|
|
double
|
|
PuppetWidget::GetDefaultScaleInternal()
|
|
{
|
|
if (mDefaultScale < 0) {
|
|
if (mTabChild) {
|
|
mTabChild->GetDefaultScale(&mDefaultScale);
|
|
} else {
|
|
mDefaultScale = 1;
|
|
}
|
|
}
|
|
|
|
return mDefaultScale;
|
|
}
|
|
|
|
void*
|
|
PuppetWidget::GetNativeData(uint32_t aDataType)
|
|
{
|
|
switch (aDataType) {
|
|
case NS_NATIVE_SHAREABLE_WINDOW: {
|
|
MOZ_ASSERT(mTabChild, "Need TabChild to get the nativeWindow from!");
|
|
mozilla::WindowsHandle nativeData = 0;
|
|
if (mTabChild) {
|
|
mTabChild->SendGetWidgetNativeData(&nativeData);
|
|
}
|
|
return (void*)nativeData;
|
|
}
|
|
case NS_NATIVE_WIDGET:
|
|
case NS_NATIVE_DISPLAY:
|
|
// These types are ignored (see bug 1183828).
|
|
break;
|
|
case NS_NATIVE_WINDOW:
|
|
case NS_NATIVE_PLUGIN_PORT:
|
|
case NS_NATIVE_GRAPHIC:
|
|
case NS_NATIVE_SHELLWIDGET:
|
|
default:
|
|
NS_WARNING("nsWindow::GetNativeData called with bad value");
|
|
break;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
#if defined(XP_WIN)
|
|
void
|
|
PuppetWidget::SetNativeData(uint32_t aDataType, uintptr_t aVal)
|
|
{
|
|
switch (aDataType) {
|
|
case NS_NATIVE_CHILD_OF_SHAREABLE_WINDOW:
|
|
MOZ_ASSERT(mTabChild, "Need TabChild to send the message.");
|
|
if (mTabChild) {
|
|
mTabChild->SendSetNativeChildOfShareableWindow(aVal);
|
|
}
|
|
break;
|
|
default:
|
|
NS_WARNING("SetNativeData called with unsupported data type.");
|
|
}
|
|
}
|
|
#endif
|
|
|
|
nsIntPoint
|
|
PuppetWidget::GetChromeDimensions()
|
|
{
|
|
if (!GetOwningTabChild()) {
|
|
NS_WARNING("PuppetWidget without Tab does not have chrome information.");
|
|
return nsIntPoint();
|
|
}
|
|
return GetOwningTabChild()->GetChromeDisplacement().ToUnknownPoint();
|
|
}
|
|
|
|
nsIntPoint
|
|
PuppetWidget::GetWindowPosition()
|
|
{
|
|
if (!GetOwningTabChild()) {
|
|
return nsIntPoint();
|
|
}
|
|
|
|
int32_t winX, winY, winW, winH;
|
|
NS_ENSURE_SUCCESS(GetOwningTabChild()->GetDimensions(0, &winX, &winY, &winW, &winH), nsIntPoint());
|
|
return nsIntPoint(winX, winY);
|
|
}
|
|
|
|
NS_METHOD
|
|
PuppetWidget::GetScreenBounds(LayoutDeviceIntRect& aRect) {
|
|
aRect.MoveTo(WidgetToScreenOffset());
|
|
aRect.SizeTo(LayoutDeviceIntSize::FromUnknownSize(mBounds.Size()));
|
|
return NS_OK;
|
|
}
|
|
|
|
uint32_t PuppetWidget::GetMaxTouchPoints() const
|
|
{
|
|
static uint32_t sTouchPoints = 0;
|
|
static bool sIsInitialized = false;
|
|
if (sIsInitialized) {
|
|
return sTouchPoints;
|
|
}
|
|
if (mTabChild) {
|
|
mTabChild->GetMaxTouchPoints(&sTouchPoints);
|
|
sIsInitialized = true;
|
|
}
|
|
return sTouchPoints;
|
|
}
|
|
|
|
void
|
|
PuppetWidget::StartAsyncScrollbarDrag(const AsyncDragMetrics& aDragMetrics)
|
|
{
|
|
mTabChild->SendStartScrollbarDrag(aDragMetrics);
|
|
}
|
|
|
|
PuppetScreen::PuppetScreen(void *nativeScreen)
|
|
{
|
|
}
|
|
|
|
PuppetScreen::~PuppetScreen()
|
|
{
|
|
}
|
|
|
|
static ScreenConfiguration
|
|
ScreenConfig()
|
|
{
|
|
ScreenConfiguration config;
|
|
hal::GetCurrentScreenConfiguration(&config);
|
|
return config;
|
|
}
|
|
|
|
nsIntSize
|
|
PuppetWidget::GetScreenDimensions()
|
|
{
|
|
nsIntRect r = ScreenConfig().rect();
|
|
return nsIntSize(r.width, r.height);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetScreen::GetId(uint32_t *outId)
|
|
{
|
|
*outId = 1;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetScreen::GetRect(int32_t *outLeft, int32_t *outTop,
|
|
int32_t *outWidth, int32_t *outHeight)
|
|
{
|
|
nsIntRect r = ScreenConfig().rect();
|
|
*outLeft = r.x;
|
|
*outTop = r.y;
|
|
*outWidth = r.width;
|
|
*outHeight = r.height;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetScreen::GetAvailRect(int32_t *outLeft, int32_t *outTop,
|
|
int32_t *outWidth, int32_t *outHeight)
|
|
{
|
|
return GetRect(outLeft, outTop, outWidth, outHeight);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetScreen::GetPixelDepth(int32_t *aPixelDepth)
|
|
{
|
|
*aPixelDepth = ScreenConfig().pixelDepth();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetScreen::GetColorDepth(int32_t *aColorDepth)
|
|
{
|
|
*aColorDepth = ScreenConfig().colorDepth();
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetScreen::GetRotation(uint32_t* aRotation)
|
|
{
|
|
NS_WARNING("Attempt to get screen rotation through nsIScreen::GetRotation(). Nothing should know or care this in sandboxed contexts. If you want *orientation*, use hal.");
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetScreen::SetRotation(uint32_t aRotation)
|
|
{
|
|
NS_WARNING("Attempt to set screen rotation through nsIScreen::GetRotation(). Nothing should know or care this in sandboxed contexts. If you want *orientation*, use hal.");
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS(PuppetScreenManager, nsIScreenManager)
|
|
|
|
PuppetScreenManager::PuppetScreenManager()
|
|
{
|
|
mOneScreen = new PuppetScreen(nullptr);
|
|
}
|
|
|
|
PuppetScreenManager::~PuppetScreenManager()
|
|
{
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetScreenManager::ScreenForId(uint32_t aId,
|
|
nsIScreen** outScreen)
|
|
{
|
|
NS_IF_ADDREF(*outScreen = mOneScreen.get());
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetScreenManager::GetPrimaryScreen(nsIScreen** outScreen)
|
|
{
|
|
NS_IF_ADDREF(*outScreen = mOneScreen.get());
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetScreenManager::ScreenForRect(int32_t inLeft,
|
|
int32_t inTop,
|
|
int32_t inWidth,
|
|
int32_t inHeight,
|
|
nsIScreen** outScreen)
|
|
{
|
|
return GetPrimaryScreen(outScreen);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetScreenManager::ScreenForNativeWidget(void* aWidget,
|
|
nsIScreen** outScreen)
|
|
{
|
|
return GetPrimaryScreen(outScreen);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetScreenManager::GetNumberOfScreens(uint32_t* aNumberOfScreens)
|
|
{
|
|
*aNumberOfScreens = 1;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
PuppetScreenManager::GetSystemDefaultScale(float *aDefaultScale)
|
|
{
|
|
*aDefaultScale = 1.0f;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsIWidgetListener*
|
|
PuppetWidget::GetCurrentWidgetListener()
|
|
{
|
|
if (!mPreviouslyAttachedWidgetListener ||
|
|
!mAttachedWidgetListener) {
|
|
return mAttachedWidgetListener;
|
|
}
|
|
|
|
if (mAttachedWidgetListener->GetView()->IsPrimaryFramePaintSuppressed()) {
|
|
return mPreviouslyAttachedWidgetListener;
|
|
}
|
|
|
|
return mAttachedWidgetListener;
|
|
}
|
|
|
|
} // namespace widget
|
|
} // namespace mozilla
|