gecko-dev/widget/PuppetWidget.cpp
Ryan VanderMeulen ec8d7510c3 Backed out 7 changesets (bug 1075670) for e10s browser_586068-browser_state_interrupted.js crashes.
Backed out changeset 4ca74b217fe8 (bug 1075670)
Backed out changeset 83199cfc333f (bug 1075670)
Backed out changeset 065b859e6525 (bug 1075670)
Backed out changeset a3e8329610d9 (bug 1075670)
Backed out changeset ced9055e0bcc (bug 1075670)
Backed out changeset e6d6f0c11133 (bug 1075670)
Backed out changeset b823c6c95030 (bug 1075670)

CLOSED TREE
2015-02-24 11:53:34 -05:00

1104 lines
28 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=8 et :
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "base/basictypes.h"
#include "ClientLayerManager.h"
#include "gfxPlatform.h"
#include "mozilla/dom/TabChild.h"
#include "mozilla/Hal.h"
#include "mozilla/IMEStateManager.h"
#include "mozilla/layers/CompositorChild.h"
#include "mozilla/layers/PLayerTransactionChild.h"
#include "mozilla/Preferences.h"
#include "mozilla/TextComposition.h"
#include "mozilla/TextEvents.h"
#include "PuppetWidget.h"
#include "nsIWidgetListener.h"
using namespace mozilla;
using namespace mozilla::dom;
using namespace mozilla::hal;
using namespace mozilla::gfx;
using namespace mozilla::layers;
using namespace mozilla::widget;
static void
InvalidateRegion(nsIWidget* aWidget, const nsIntRegion& aRegion)
{
nsIntRegionRectIterator it(aRegion);
while(const nsIntRect* r = it.Next()) {
aWidget->Invalidate(*r);
}
}
/*static*/ already_AddRefed<nsIWidget>
nsIWidget::CreatePuppetWidget(TabChild* aTabChild)
{
MOZ_ASSERT(!aTabChild || nsIWidget::UsePuppetWidgets(),
"PuppetWidgets not allowed in this configuration");
nsCOMPtr<nsIWidget> widget = new PuppetWidget(aTabChild);
return widget.forget();
}
namespace mozilla {
namespace widget {
static bool
IsPopup(const nsWidgetInitData* aInitData)
{
return aInitData && aInitData->mWindowType == eWindowType_popup;
}
static bool
MightNeedIMEFocus(const nsWidgetInitData* aInitData)
{
// In the puppet-widget world, popup widgets are just dummies and
// shouldn't try to mess with IME state.
#ifdef MOZ_CROSS_PROCESS_IME
return !IsPopup(aInitData);
#else
return false;
#endif
}
// Arbitrary, fungible.
const size_t PuppetWidget::kMaxDimension = 4000;
NS_IMPL_ISUPPORTS_INHERITED0(PuppetWidget, nsBaseWidget)
PuppetWidget::PuppetWidget(TabChild* aTabChild)
: mTabChild(aTabChild)
, mDPI(-1)
, mDefaultScale(-1)
, mNativeKeyCommandsValid(false)
{
MOZ_COUNT_CTOR(PuppetWidget);
mSingleLineCommands.SetCapacity(4);
mMultiLineCommands.SetCapacity(4);
mRichTextCommands.SetCapacity(4);
}
PuppetWidget::~PuppetWidget()
{
MOZ_COUNT_DTOR(PuppetWidget);
}
NS_IMETHODIMP
PuppetWidget::Create(nsIWidget *aParent,
nsNativeWidget aNativeParent,
const nsIntRect &aRect,
nsWidgetInitData *aInitData)
{
MOZ_ASSERT(!aNativeParent, "got a non-Puppet native parent");
BaseCreate(nullptr, aRect, aInitData);
mBounds = aRect;
mEnabled = true;
mVisible = true;
mDrawTarget = gfxPlatform::GetPlatform()->
CreateOffscreenContentDrawTarget(IntSize(1, 1), SurfaceFormat::B8G8R8A8);
mNeedIMEStateInit = MightNeedIMEFocus(aInitData);
PuppetWidget* parent = static_cast<PuppetWidget*>(aParent);
if (parent) {
parent->SetChild(this);
mLayerManager = parent->GetLayerManager();
}
else {
Resize(mBounds.x, mBounds.y, mBounds.width, mBounds.height, false);
}
return NS_OK;
}
void
PuppetWidget::InitIMEState()
{
MOZ_ASSERT(mTabChild);
if (mNeedIMEStateInit) {
uint32_t chromeSeqno;
mTabChild->SendNotifyIMEFocus(false, &mIMEPreferenceOfParent, &chromeSeqno);
mIMELastBlurSeqno = mIMELastReceivedSeqno = chromeSeqno;
mNeedIMEStateInit = false;
}
}
already_AddRefed<nsIWidget>
PuppetWidget::CreateChild(const nsIntRect &aRect,
nsWidgetInitData *aInitData,
bool aForceUseIWidgetParent)
{
bool isPopup = IsPopup(aInitData);
nsCOMPtr<nsIWidget> widget = nsIWidget::CreatePuppetWidget(mTabChild);
return ((widget &&
NS_SUCCEEDED(widget->Create(isPopup ? nullptr: this, nullptr, aRect,
aInitData))) ?
widget.forget() : nullptr);
}
NS_IMETHODIMP
PuppetWidget::Destroy()
{
Base::OnDestroy();
Base::Destroy();
mPaintTask.Revoke();
mChild = nullptr;
if (mLayerManager) {
mLayerManager->Destroy();
}
mLayerManager = nullptr;
mTabChild = nullptr;
return NS_OK;
}
NS_IMETHODIMP
PuppetWidget::Show(bool aState)
{
NS_ASSERTION(mEnabled,
"does it make sense to Show()/Hide() a disabled widget?");
bool wasVisible = mVisible;
mVisible = aState;
if (mChild) {
mChild->mVisible = aState;
}
if (!mVisible && mLayerManager) {
mLayerManager->ClearCachedResources();
}
if (!wasVisible && mVisible) {
Resize(mBounds.width, mBounds.height, false);
Invalidate(mBounds);
}
return NS_OK;
}
NS_IMETHODIMP
PuppetWidget::Resize(double aWidth,
double aHeight,
bool aRepaint)
{
nsIntRect oldBounds = mBounds;
mBounds.SizeTo(nsIntSize(NSToIntRound(aWidth), NSToIntRound(aHeight)));
if (mChild) {
return mChild->Resize(aWidth, aHeight, aRepaint);
}
// XXX: roc says that |aRepaint| dictates whether or not to
// invalidate the expanded area
if (oldBounds.Size() < mBounds.Size() && aRepaint) {
nsIntRegion dirty(mBounds);
dirty.Sub(dirty, oldBounds);
InvalidateRegion(this, dirty);
}
if (!oldBounds.IsEqualEdges(mBounds) && mAttachedWidgetListener) {
mAttachedWidgetListener->WindowResized(this, mBounds.width, mBounds.height);
}
return NS_OK;
}
nsresult
PuppetWidget::ConfigureChildren(const nsTArray<Configuration>& aConfigurations)
{
for (uint32_t i = 0; i < aConfigurations.Length(); ++i) {
const Configuration& configuration = aConfigurations[i];
PuppetWidget* w = static_cast<PuppetWidget*>(configuration.mChild);
NS_ASSERTION(w->GetParent() == this,
"Configured widget is not a child");
w->SetWindowClipRegion(configuration.mClipRegion, true);
nsIntRect bounds;
w->GetBounds(bounds);
if (bounds.Size() != configuration.mBounds.Size()) {
w->Resize(configuration.mBounds.x, configuration.mBounds.y,
configuration.mBounds.width, configuration.mBounds.height,
true);
} else if (bounds.TopLeft() != configuration.mBounds.TopLeft()) {
w->Move(configuration.mBounds.x, configuration.mBounds.y);
}
w->SetWindowClipRegion(configuration.mClipRegion, false);
}
return NS_OK;
}
NS_IMETHODIMP
PuppetWidget::SetFocus(bool aRaise)
{
// XXX/cjones: someone who knows about event handling needs to
// decide how this should work.
return NS_OK;
}
NS_IMETHODIMP
PuppetWidget::Invalidate(const nsIntRect& aRect)
{
#ifdef DEBUG
debug_DumpInvalidate(stderr, this, &aRect,
nsAutoCString("PuppetWidget"), 0);
#endif
if (mChild) {
return mChild->Invalidate(aRect);
}
mDirtyRegion.Or(mDirtyRegion, aRect);
if (!mDirtyRegion.IsEmpty() && !mPaintTask.IsPending()) {
mPaintTask = new PaintTask(this);
return NS_DispatchToCurrentThread(mPaintTask.get());
}
return NS_OK;
}
void
PuppetWidget::InitEvent(WidgetGUIEvent& event, nsIntPoint* aPoint)
{
if (nullptr == aPoint) {
event.refPoint.x = 0;
event.refPoint.y = 0;
}
else {
// use the point override if provided
event.refPoint.x = aPoint->x;
event.refPoint.y = aPoint->y;
}
event.time = PR_Now() / 1000;
}
NS_IMETHODIMP
PuppetWidget::DispatchEvent(WidgetGUIEvent* event, nsEventStatus& aStatus)
{
#ifdef DEBUG
debug_DumpEvent(stdout, event->widget, event,
nsAutoCString("PuppetWidget"), 0);
#endif
MOZ_ASSERT(!mChild || mChild->mWindowType == eWindowType_popup,
"Unexpected event dispatch!");
AutoCacheNativeKeyCommands autoCache(this);
if (event->mFlags.mIsSynthesizedForTests && !mNativeKeyCommandsValid) {
WidgetKeyboardEvent* keyEvent = event->AsKeyboardEvent();
if (keyEvent) {
mTabChild->RequestNativeKeyBindings(&autoCache, keyEvent);
}
}
aStatus = nsEventStatus_eIgnore;
uint32_t seqno = kLatestSeqno;
switch (event->mClass) {
case eCompositionEventClass:
seqno = event->AsCompositionEvent()->mSeqno;
break;
case eSelectionEventClass:
seqno = event->AsSelectionEvent()->mSeqno;
break;
default:
break;
}
if (seqno != kLatestSeqno) {
mIMELastReceivedSeqno = seqno;
if (mIMELastReceivedSeqno < mIMELastBlurSeqno) {
return NS_OK;
}
}
if (mAttachedWidgetListener) {
aStatus = mAttachedWidgetListener->HandleEvent(event, mUseAttachedEvents);
}
return NS_OK;
}
NS_IMETHODIMP_(bool)
PuppetWidget::ExecuteNativeKeyBinding(NativeKeyBindingsType aType,
const mozilla::WidgetKeyboardEvent& aEvent,
DoCommandCallback aCallback,
void* aCallbackData)
{
// B2G doesn't have native key bindings.
#ifdef MOZ_B2G
return false;
#else // #ifdef MOZ_B2G
MOZ_ASSERT(mNativeKeyCommandsValid);
nsTArray<mozilla::CommandInt>& commands = mSingleLineCommands;
switch (aType) {
case nsIWidget::NativeKeyBindingsForSingleLineEditor:
commands = mSingleLineCommands;
break;
case nsIWidget::NativeKeyBindingsForMultiLineEditor:
commands = mMultiLineCommands;
break;
case nsIWidget::NativeKeyBindingsForRichTextEditor:
commands = mRichTextCommands;
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, NS_COMPOSITION_COMMIT,
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;
}
compositionCommitEvent.mSeqno = mIMELastReceivedSeqno;
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:
return NotifyIMEOfFocusChange(true);
case NOTIFY_IME_OF_BLUR:
return NotifyIMEOfFocusChange(false);
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 NotifyIMEOfUpdateComposition();
case NOTIFY_IME_OF_MOUSE_BUTTON_EVENT:
return NotifyIMEOfMouseButtonEvent(aIMENotification);
case NOTIFY_IME_OF_POSITION_CHANGE:
return NotifyIMEOfPositionChange();
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)
{
#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(bool aFocus)
{
#ifndef MOZ_CROSS_PROCESS_IME
return NS_OK;
#endif
if (!mTabChild)
return NS_ERROR_FAILURE;
if (aFocus) {
nsEventStatus status;
WidgetQueryContentEvent queryEvent(true, NS_QUERY_TEXT_CONTENT, this);
InitEvent(queryEvent, nullptr);
// Query entire content
queryEvent.InitForQueryTextContent(0, UINT32_MAX);
DispatchEvent(&queryEvent, status);
if (queryEvent.mSucceeded) {
mTabChild->SendNotifyIMETextHint(queryEvent.mReply.mString);
}
}
uint32_t chromeSeqno;
mIMEPreferenceOfParent = nsIMEUpdatePreference();
if (!mTabChild->SendNotifyIMEFocus(aFocus, &mIMEPreferenceOfParent,
&chromeSeqno)) {
return NS_ERROR_FAILURE;
}
if (aFocus) {
IMENotification notification(NOTIFY_IME_OF_SELECTION_CHANGE);
notification.mSelectionChangeData.mCausedByComposition = false;
NotifyIMEOfSelectionChange(notification); // Update selection
NotifyIMEOfEditorRect();
} else {
mIMELastBlurSeqno = chromeSeqno;
}
return NS_OK;
}
nsresult
PuppetWidget::NotifyIMEOfUpdateComposition()
{
#ifndef MOZ_CROSS_PROCESS_IME
return NS_OK;
#endif
NS_ENSURE_TRUE(mTabChild, NS_ERROR_FAILURE);
uint32_t startOffset;
uint32_t targetCauseOffset;
nsAutoTArray<LayoutDeviceIntRect, 16> textRectArray;
if (!GetCompositionRects(startOffset,
textRectArray,
targetCauseOffset)) {
return NS_ERROR_FAILURE;
}
LayoutDeviceIntRect caretRect;
GetCaretRect(caretRect, targetCauseOffset);
mTabChild->SendNotifyIMESelectedCompositionRect(startOffset,
textRectArray,
targetCauseOffset,
caretRect);
return NS_OK;
}
bool
PuppetWidget::GetCompositionRects(uint32_t& aStartOffset,
nsTArray<LayoutDeviceIntRect>& aTextRectArray,
uint32_t& aTargetCauseOffset)
{
nsRefPtr<TextComposition> textComposition =
IMEStateManager::GetTextCompositionFor(this);
NS_ENSURE_TRUE(textComposition, false);
nsEventStatus status;
aTextRectArray.SetCapacity(textComposition->String().Length());
aStartOffset = textComposition->NativeOffsetOfStartComposition();
aTargetCauseOffset = textComposition->OffsetOfTargetClause();
uint32_t endOffset = textComposition->String().Length() + aStartOffset;
for (uint32_t i = aStartOffset; i < endOffset; i++) {
WidgetQueryContentEvent textRect(true, NS_QUERY_TEXT_RECT, this);
InitEvent(textRect, nullptr);
textRect.InitForQueryTextRect(i, 1);
DispatchEvent(&textRect, status);
NS_ENSURE_TRUE(textRect.mSucceeded, false);
aTextRectArray.AppendElement(textRect.mReply.mRect);
}
return true;
}
uint32_t
PuppetWidget::GetCaretOffset()
{
nsEventStatus status;
WidgetQueryContentEvent selection(true, NS_QUERY_SELECTED_TEXT, this);
InitEvent(selection, nullptr);
DispatchEvent(&selection, status);
NS_ENSURE_TRUE(selection.mSucceeded, 0);
return selection.mReply.mOffset;
}
bool
PuppetWidget::GetCaretRect(LayoutDeviceIntRect& aCaretRect, uint32_t aCaretOffset)
{
nsEventStatus status;
WidgetQueryContentEvent caretRect(true, NS_QUERY_CARET_RECT, this);
InitEvent(caretRect, nullptr);
caretRect.InitForQueryCaretRect(aCaretOffset);
DispatchEvent(&caretRect, status);
NS_ENSURE_TRUE(caretRect.mSucceeded, false);
aCaretRect = caretRect.mReply.mRect;
return true;
}
nsresult
PuppetWidget::NotifyIMEOfEditorRect()
{
#ifndef MOZ_CROSS_PROCESS_IME
return NS_OK;
#endif
if (NS_WARN_IF(!mTabChild)) {
return NS_ERROR_FAILURE;
}
LayoutDeviceIntRect rect;
if (!GetEditorRect(rect)) {
return NS_ERROR_FAILURE;
}
mTabChild->SendNotifyIMEEditorRect(rect);
return NS_OK;
}
bool
PuppetWidget::GetEditorRect(LayoutDeviceIntRect& aRect)
{
nsEventStatus status;
WidgetQueryContentEvent editorRectEvent(true, NS_QUERY_EDITOR_RECT, this);
InitEvent(editorRectEvent);
DispatchEvent(&editorRectEvent, status);
if (NS_WARN_IF(!editorRectEvent.mSucceeded)) {
return false;
}
aRect = editorRectEvent.mReply.mRect;
return true;
}
nsIMEUpdatePreference
PuppetWidget::GetIMEUpdatePreference()
{
#ifdef MOZ_CROSS_PROCESS_IME
// e10s requires IME information cache into TabParent
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;
nsEventStatus status;
WidgetQueryContentEvent queryEvent(true, NS_QUERY_TEXT_CONTENT, this);
InitEvent(queryEvent, nullptr);
queryEvent.InitForQueryTextContent(0, UINT32_MAX);
DispatchEvent(&queryEvent, status);
if (queryEvent.mSucceeded) {
mTabChild->SendNotifyIMETextHint(queryEvent.mReply.mString);
}
// 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(
aIMENotification.mTextChangeData.mStartOffset,
aIMENotification.mTextChangeData.mOldEndOffset,
aIMENotification.mTextChangeData.mNewEndOffset,
aIMENotification.mTextChangeData.mCausedByComposition);
}
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;
nsEventStatus status;
WidgetQueryContentEvent queryEvent(true, NS_QUERY_SELECTED_TEXT, this);
InitEvent(queryEvent, nullptr);
DispatchEvent(&queryEvent, status);
if (queryEvent.mSucceeded) {
mTabChild->SendNotifyIMESelection(
mIMELastReceivedSeqno,
queryEvent.GetSelectionStart(),
queryEvent.GetSelectionEnd(),
queryEvent.GetWritingMode(),
aIMENotification.mSelectionChangeData.mCausedByComposition);
}
return NS_OK;
}
nsresult
PuppetWidget::NotifyIMEOfMouseButtonEvent(
const IMENotification& aIMENotification)
{
if (!mTabChild) {
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()
{
#ifndef MOZ_CROSS_PROCESS_IME
return NS_OK;
#endif
if (NS_WARN_IF(!mTabChild)) {
return NS_ERROR_FAILURE;
}
LayoutDeviceIntRect editorRect;
if (!GetEditorRect(editorRect)) {
return NS_ERROR_FAILURE;
}
uint32_t startOffset;
uint32_t targetCauseOffset;
nsAutoTArray<LayoutDeviceIntRect, 16> textRectArray;
if (!GetCompositionRects(startOffset,
textRectArray,
targetCauseOffset)) {
// no composition string, get caret offset by NS_QUERY_SELECTED_TEXT
targetCauseOffset = GetCaretOffset();
}
LayoutDeviceIntRect caretRect;
GetCaretRect(caretRect, targetCauseOffset);
if (!mTabChild->SendNotifyIMEPositionChange(editorRect, textRectArray,
caretRect)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
PuppetWidget::SetCursor(nsCursor aCursor)
{
if (mCursor == aCursor && !mUpdateCursor) {
return NS_OK;
}
if (mTabChild &&
!mTabChild->SendSetCursor(aCursor, mUpdateCursor)) {
return NS_ERROR_FAILURE;
}
mCursor = aCursor;
mUpdateCursor = false;
return NS_OK;
}
nsresult
PuppetWidget::Paint()
{
MOZ_ASSERT(!mDirtyRegion.IsEmpty(), "paint event logic messed up");
if (!mAttachedWidgetListener)
return NS_OK;
nsIntRegion region = mDirtyRegion;
// reset repaint tracking
mDirtyRegion.SetEmpty();
mPaintTask.Revoke();
mAttachedWidgetListener->WillPaintWindow(this);
if (mAttachedWidgetListener) {
#ifdef DEBUG
debug_DumpPaintEvent(stderr, this, region,
nsAutoCString("PuppetWidget"), 0);
#endif
if (mozilla::layers::LayersBackend::LAYERS_D3D10 == mLayerManager->GetBackendType()) {
mAttachedWidgetListener->PaintWindow(this, region);
} else if (mozilla::layers::LayersBackend::LAYERS_CLIENT == mLayerManager->GetBackendType()) {
// Do nothing, the compositor will handle drawing
if (mTabChild) {
mTabChild->NotifyPainted();
}
} else {
nsRefPtr<gfxContext> ctx = new gfxContext(mDrawTarget);
ctx->Rectangle(gfxRect(0,0,0,0));
ctx->Clip();
AutoLayerManagerSetup setupLayerManager(this, ctx,
BufferMode::BUFFER_NONE);
mAttachedWidgetListener->PaintWindow(this, region);
if (mTabChild) {
mTabChild->NotifyPainted();
}
}
}
if (mAttachedWidgetListener) {
mAttachedWidgetListener->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;
}
bool
PuppetWidget::NeedsPaint()
{
// e10s popups are handled by the parent process, so never should be painted here
if (XRE_GetProcessType() == GeckoProcessType_Content &&
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_WINDOW:
case NS_NATIVE_DISPLAY:
case NS_NATIVE_PLUGIN_PORT:
case NS_NATIVE_GRAPHIC:
case NS_NATIVE_SHELLWIDGET:
case NS_NATIVE_WIDGET:
NS_WARNING("nsWindow::GetNativeData not implemented for this type");
break;
default:
NS_WARNING("nsWindow::GetNativeData called with bad value");
break;
}
return nullptr;
}
nsIntPoint
PuppetWidget::GetChromeDimensions()
{
if (!GetOwningTabChild()) {
NS_WARNING("PuppetWidget without Tab does not have chrome information.");
return nsIntPoint();
}
return GetOwningTabChild()->GetChromeDisplacement();
}
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);
}
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;
}
} // namespace widget
} // namespace mozilla