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tenfourfox/widget/gonk/nsWindow.cpp

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/* Copyright 2012 Mozilla Foundation and Mozilla contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mozilla/DebugOnly.h"
#include <fcntl.h>
#include "android/log.h"
#include "mozilla/dom/TabParent.h"
#include "mozilla/Preferences.h"
#include "mozilla/Services.h"
#include "mozilla/FileUtils.h"
#include "mozilla/ClearOnShutdown.h"
#include "gfxContext.h"
#include "gfxPlatform.h"
#include "gfxUtils.h"
#include "GLContextProvider.h"
#include "GLContext.h"
#include "GLContextEGL.h"
#include "nsAutoPtr.h"
#include "nsAppShell.h"
#include "nsScreenManagerGonk.h"
#include "nsTArray.h"
#include "nsWindow.h"
#include "nsIWidgetListener.h"
#include "ClientLayerManager.h"
#include "BasicLayers.h"
#include "libdisplay/GonkDisplay.h"
#include "mozilla/TextEvents.h"
#include "mozilla/gfx/2D.h"
#include "mozilla/gfx/Logging.h"
#include "mozilla/layers/APZCTreeManager.h"
#include "mozilla/layers/APZThreadUtils.h"
#include "mozilla/layers/CompositorParent.h"
#include "mozilla/TouchEvents.h"
#include "HwcComposer2D.h"
#define LOG(args...) __android_log_print(ANDROID_LOG_INFO, "Gonk" , ## args)
#define LOGW(args...) __android_log_print(ANDROID_LOG_WARN, "Gonk", ## args)
#define LOGE(args...) __android_log_print(ANDROID_LOG_ERROR, "Gonk", ## args)
#define IS_TOPLEVEL() (mWindowType == eWindowType_toplevel || mWindowType == eWindowType_dialog)
using namespace mozilla;
using namespace mozilla::dom;
using namespace mozilla::hal;
using namespace mozilla::gfx;
using namespace mozilla::gl;
using namespace mozilla::layers;
using namespace mozilla::widget;
static nsWindow *gFocusedWindow = nullptr;
NS_IMPL_ISUPPORTS_INHERITED0(nsWindow, nsBaseWidget)
nsWindow::nsWindow()
: mFramebuffer(nullptr)
, mMappedBuffer(nullptr)
{
RefPtr<nsScreenManagerGonk> screenManager = nsScreenManagerGonk::GetInstance();
screenManager->Initialize();
// This is a hack to force initialization of the compositor
// resources, if we're going to use omtc.
//
// NB: GetPlatform() will create the gfxPlatform, which wants
// to know the color depth, which asks our native window.
// This has to happen after other init has finished.
gfxPlatform::GetPlatform();
if (!ShouldUseOffMainThreadCompositing()) {
MOZ_CRASH("How can we render apps, then?");
}
}
nsWindow::~nsWindow()
{
if (mScreen->IsPrimaryScreen()) {
mComposer2D->SetCompositorParent(nullptr);
}
}
void
nsWindow::DoDraw(void)
{
if (!hal::GetScreenEnabled()) {
gDrawRequest = true;
return;
}
RefPtr<nsScreenGonk> screen = nsScreenManagerGonk::GetPrimaryScreen();
const nsTArray<nsWindow*>& windows = screen->GetTopWindows();
if (windows.IsEmpty()) {
LOG(" no window to draw, bailing");
return;
}
RefPtr<nsWindow> targetWindow = (nsWindow *)windows[0];
while (targetWindow->GetLastChild()) {
targetWindow = (nsWindow *)targetWindow->GetLastChild();
}
nsIWidgetListener* listener = targetWindow->GetWidgetListener();
if (listener) {
listener->WillPaintWindow(targetWindow);
}
listener = targetWindow->GetWidgetListener();
if (listener) {
LayerManager* lm = targetWindow->GetLayerManager();
if (mozilla::layers::LayersBackend::LAYERS_CLIENT == lm->GetBackendType()) {
// No need to do anything, the compositor will handle drawing
} else {
NS_RUNTIMEABORT("Unexpected layer manager type");
}
listener->DidPaintWindow();
}
}
void
nsWindow::ConfigureAPZControllerThread()
{
APZThreadUtils::SetControllerThread(CompositorParent::CompositorLoop());
}
/*static*/ nsEventStatus
nsWindow::DispatchKeyInput(WidgetKeyboardEvent& aEvent)
{
if (!gFocusedWindow) {
return nsEventStatus_eIgnore;
}
gFocusedWindow->UserActivity();
nsEventStatus status;
aEvent.widget = gFocusedWindow;
gFocusedWindow->DispatchEvent(&aEvent, status);
return status;
}
/*static*/ void
nsWindow::DispatchTouchInput(MultiTouchInput& aInput)
{
APZThreadUtils::AssertOnControllerThread();
if (!gFocusedWindow) {
return;
}
gFocusedWindow->DispatchTouchInputViaAPZ(aInput);
}
class DispatchTouchInputOnMainThread : public nsRunnable
{
public:
DispatchTouchInputOnMainThread(const MultiTouchInput& aInput,
const ScrollableLayerGuid& aGuid,
const uint64_t& aInputBlockId,
nsEventStatus aApzResponse)
: mInput(aInput)
, mGuid(aGuid)
, mInputBlockId(aInputBlockId)
, mApzResponse(aApzResponse)
{}
NS_IMETHOD Run() {
if (gFocusedWindow) {
gFocusedWindow->DispatchTouchEventForAPZ(mInput, mGuid, mInputBlockId, mApzResponse);
}
return NS_OK;
}
private:
MultiTouchInput mInput;
ScrollableLayerGuid mGuid;
uint64_t mInputBlockId;
nsEventStatus mApzResponse;
};
void
nsWindow::DispatchTouchInputViaAPZ(MultiTouchInput& aInput)
{
APZThreadUtils::AssertOnControllerThread();
if (!mAPZC) {
// In general mAPZC should not be null, but during initial setup
// it might be, so we handle that case by ignoring touch input there.
return;
}
// First send it through the APZ code
mozilla::layers::ScrollableLayerGuid guid;
uint64_t inputBlockId;
nsEventStatus result = mAPZC->ReceiveInputEvent(aInput, &guid, &inputBlockId);
// If the APZ says to drop it, then we drop it
if (result == nsEventStatus_eConsumeNoDefault) {
return;
}
// Can't use NS_NewRunnableMethod because it only takes up to one arg and
// we need more. Also we can't pass in |this| to the task because nsWindow
// refcounting is not threadsafe. Instead we just use the gFocusedWindow
// static ptr inside the task.
NS_DispatchToMainThread(new DispatchTouchInputOnMainThread(
aInput, guid, inputBlockId, result));
}
void
nsWindow::DispatchTouchEventForAPZ(const MultiTouchInput& aInput,
const ScrollableLayerGuid& aGuid,
const uint64_t aInputBlockId,
nsEventStatus aApzResponse)
{
MOZ_ASSERT(NS_IsMainThread());
UserActivity();
// Convert it to an event we can send to Gecko
WidgetTouchEvent event = aInput.ToWidgetTouchEvent(this);
// Dispatch the event into the gecko root process for "normal" flow.
// The event might get sent to a child process,
// but if it doesn't we need to notify the APZ of various things.
// All of that happens in ProcessUntransformedAPZEvent
ProcessUntransformedAPZEvent(&event, aGuid, aInputBlockId, aApzResponse);
}
class DispatchTouchInputOnControllerThread : public Task
{
public:
DispatchTouchInputOnControllerThread(const MultiTouchInput& aInput)
: Task()
, mInput(aInput)
{}
virtual void Run() override {
if (gFocusedWindow) {
gFocusedWindow->DispatchTouchInputViaAPZ(mInput);
}
}
private:
MultiTouchInput mInput;
};
nsresult
nsWindow::SynthesizeNativeTouchPoint(uint32_t aPointerId,
TouchPointerState aPointerState,
ScreenIntPoint aPointerScreenPoint,
double aPointerPressure,
uint32_t aPointerOrientation,
nsIObserver* aObserver)
{
AutoObserverNotifier notifier(aObserver, "touchpoint");
if (aPointerState == TOUCH_HOVER) {
return NS_ERROR_UNEXPECTED;
}
if (!mSynthesizedTouchInput) {
mSynthesizedTouchInput = new MultiTouchInput();
}
// We can't dispatch mSynthesizedTouchInput directly because (a) dispatching
// it might inadvertently modify it and (b) in the case of touchend or
// touchcancel events mSynthesizedTouchInput 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;
int32_t index = mSynthesizedTouchInput->IndexOfTouch((int32_t)aPointerId);
if (aPointerState == TOUCH_CONTACT) {
if (index >= 0) {
// found an existing touch point, update it
SingleTouchData& point = mSynthesizedTouchInput->mTouches[index];
point.mScreenPoint = aPointerScreenPoint;
point.mRotationAngle = (float)aPointerOrientation;
point.mForce = (float)aPointerPressure;
inputToDispatch.mType = MultiTouchInput::MULTITOUCH_MOVE;
} else {
// new touch point, add it
mSynthesizedTouchInput->mTouches.AppendElement(SingleTouchData(
(int32_t)aPointerId,
aPointerScreenPoint,
ScreenSize(0, 0),
(float)aPointerOrientation,
(float)aPointerPressure));
inputToDispatch.mType = MultiTouchInput::MULTITOUCH_START;
}
inputToDispatch.mTouches = mSynthesizedTouchInput->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) {
mSynthesizedTouchInput->mTouches.RemoveElementAt(index);
}
inputToDispatch.mType = (aPointerState == TOUCH_REMOVE
? MultiTouchInput::MULTITOUCH_END
: MultiTouchInput::MULTITOUCH_CANCEL);
inputToDispatch.mTouches.AppendElement(SingleTouchData(
(int32_t)aPointerId,
aPointerScreenPoint,
ScreenSize(0, 0),
(float)aPointerOrientation,
(float)aPointerPressure));
}
// Can't use NewRunnableMethod here because that will pass a const-ref
// argument to DispatchTouchInputViaAPZ whereas that function takes a
// non-const ref. At this callsite we don't care about the mutations that
// the function performs so this is fine. Also we can't pass |this| to the
// task because nsWindow refcounting is not threadsafe. Instead we just use
// the gFocusedWindow static ptr instead the task.
APZThreadUtils::RunOnControllerThread(new DispatchTouchInputOnControllerThread(inputToDispatch));
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Create(nsIWidget* aParent,
void* aNativeParent,
const LayoutDeviceIntRect& aRect,
nsWidgetInitData* aInitData)
{
BaseCreate(aParent, aRect, aInitData);
nsCOMPtr<nsIScreen> screen;
uint32_t screenId = aParent ? ((nsWindow*)aParent)->mScreen->GetId() :
aInitData->mScreenId;
RefPtr<nsScreenManagerGonk> screenManager = nsScreenManagerGonk::GetInstance();
screenManager->ScreenForId(screenId, getter_AddRefs(screen));
mScreen = static_cast<nsScreenGonk*>(screen.get());
mBounds = aRect.ToUnknownRect();
mParent = (nsWindow *)aParent;
mVisible = false;
if (!aParent) {
mBounds = mScreen->GetRect().ToUnknownRect();
}
mComposer2D = HwcComposer2D::GetInstance();
if (!IS_TOPLEVEL()) {
return NS_OK;
}
mScreen->RegisterWindow(this);
Resize(0, 0, mBounds.width, mBounds.height, false);
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Destroy(void)
{
mOnDestroyCalled = true;
mScreen->UnregisterWindow(this);
if (this == gFocusedWindow) {
gFocusedWindow = nullptr;
}
nsBaseWidget::OnDestroy();
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Show(bool aState)
{
if (mWindowType == eWindowType_invisible) {
return NS_OK;
}
if (mVisible == aState) {
return NS_OK;
}
mVisible = aState;
if (!IS_TOPLEVEL()) {
return mParent ? mParent->Show(aState) : NS_OK;
}
if (aState) {
BringToTop();
} else {
const nsTArray<nsWindow*>& windows =
mScreen->GetTopWindows();
for (unsigned int i = 0; i < windows.Length(); i++) {
nsWindow *win = windows[i];
if (!win->mVisible) {
continue;
}
win->BringToTop();
break;
}
}
return NS_OK;
}
bool
nsWindow::IsVisible() const
{
return mVisible;
}
NS_IMETHODIMP
nsWindow::ConstrainPosition(bool aAllowSlop,
int32_t *aX,
int32_t *aY)
{
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Move(double aX,
double aY)
{
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Resize(double aWidth,
double aHeight,
bool aRepaint)
{
return Resize(0, 0, aWidth, aHeight, aRepaint);
}
NS_IMETHODIMP
nsWindow::Resize(double aX,
double aY,
double aWidth,
double aHeight,
bool aRepaint)
{
mBounds = nsIntRect(NSToIntRound(aX), NSToIntRound(aY),
NSToIntRound(aWidth), NSToIntRound(aHeight));
if (mWidgetListener) {
mWidgetListener->WindowResized(this, mBounds.width, mBounds.height);
}
if (aRepaint) {
Invalidate(LayoutDeviceIntRect::FromUnknownRect(mBounds));
}
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Enable(bool aState)
{
return NS_OK;
}
bool
nsWindow::IsEnabled() const
{
return true;
}
NS_IMETHODIMP
nsWindow::SetFocus(bool aRaise)
{
if (aRaise) {
BringToTop();
}
if (!IS_TOPLEVEL() && mScreen->IsPrimaryScreen()) {
// We should only set focused window on non-toplevel primary window.
gFocusedWindow = this;
}
return NS_OK;
}
NS_IMETHODIMP
nsWindow::ConfigureChildren(const nsTArray<nsIWidget::Configuration>&)
{
return NS_OK;
}
NS_IMETHODIMP
nsWindow::Invalidate(const LayoutDeviceIntRect& aRect)
{
nsWindow *top = mParent;
while (top && top->mParent) {
top = top->mParent;
}
const nsTArray<nsWindow*>& windows = mScreen->GetTopWindows();
if (top != windows[0] && this != windows[0]) {
return NS_OK;
}
gDrawRequest = true;
mozilla::NotifyEvent();
return NS_OK;
}
LayoutDeviceIntPoint
nsWindow::WidgetToScreenOffset()
{
LayoutDeviceIntPoint p(0, 0);
nsWindow *w = this;
while (w && w->mParent) {
p.x += w->mBounds.x;
p.y += w->mBounds.y;
w = w->mParent;
}
return p;
}
void*
nsWindow::GetNativeData(uint32_t aDataType)
{
switch (aDataType) {
case NS_NATIVE_WINDOW:
// Called before primary display's EGLSurface creation.
return mScreen->GetNativeWindow();
case NS_NATIVE_OPENGL_CONTEXT:
return mScreen->GetGLContext().take();
case NS_RAW_NATIVE_IME_CONTEXT:
// There is only one IME context on Gonk.
return NS_ONLY_ONE_NATIVE_IME_CONTEXT;
}
return nullptr;
}
void
nsWindow::SetNativeData(uint32_t aDataType, uintptr_t aVal)
{
switch (aDataType) {
case NS_NATIVE_OPENGL_CONTEXT:
GLContext* context = reinterpret_cast<GLContext*>(aVal);
if (!context) {
mScreen->SetEGLInfo(EGL_NO_DISPLAY,
EGL_NO_SURFACE,
nullptr);
return;
}
mScreen->SetEGLInfo(GLContextEGL::Cast(context)->GetEGLDisplay(),
GLContextEGL::Cast(context)->GetEGLSurface(),
context);
return;
}
}
NS_IMETHODIMP
nsWindow::DispatchEvent(WidgetGUIEvent* aEvent, nsEventStatus& aStatus)
{
if (mWidgetListener) {
aStatus = mWidgetListener->HandleEvent(aEvent, mUseAttachedEvents);
}
return NS_OK;
}
NS_IMETHODIMP_(void)
nsWindow::SetInputContext(const InputContext& aContext,
const InputContextAction& aAction)
{
mInputContext = aContext;
}
NS_IMETHODIMP_(InputContext)
nsWindow::GetInputContext()
{
return mInputContext;
}
NS_IMETHODIMP
nsWindow::ReparentNativeWidget(nsIWidget* aNewParent)
{
return NS_OK;
}
NS_IMETHODIMP
nsWindow::MakeFullScreen(bool aFullScreen, nsIScreen*)
{
if (mWindowType != eWindowType_toplevel) {
// Ignore fullscreen request for non-toplevel windows.
NS_WARNING("MakeFullScreen() on a dialog or child widget?");
return nsBaseWidget::MakeFullScreen(aFullScreen);
}
if (aFullScreen) {
// Fullscreen is "sticky" for toplevel widgets on gonk: we
// must paint the entire screen, and should only have one
// toplevel widget, so it doesn't make sense to ever "exit"
// fullscreen. If we do, we can leave parts of the screen
// unpainted.
nsIntRect virtualBounds;
mScreen->GetRect(&virtualBounds.x, &virtualBounds.y,
&virtualBounds.width, &virtualBounds.height);
Resize(virtualBounds.x, virtualBounds.y,
virtualBounds.width, virtualBounds.height,
/*repaint*/true);
}
if (nsIWidgetListener* listener = GetWidgetListener()) {
listener->FullscreenChanged(aFullScreen);
}
return NS_OK;
}
static gralloc_module_t const*
gralloc_module()
{
hw_module_t const *module;
if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &module)) {
return nullptr;
}
return reinterpret_cast<gralloc_module_t const*>(module);
}
static SurfaceFormat
HalFormatToSurfaceFormat(int aHalFormat)
{
switch (aHalFormat) {
case HAL_PIXEL_FORMAT_RGBA_8888:
// Needs RB swap
return SurfaceFormat::B8G8R8A8;
case HAL_PIXEL_FORMAT_RGBX_8888:
// Needs RB swap
return SurfaceFormat::B8G8R8X8;
case HAL_PIXEL_FORMAT_BGRA_8888:
return SurfaceFormat::B8G8R8A8;
case HAL_PIXEL_FORMAT_RGB_565:
return SurfaceFormat::R5G6B5_UINT16;
default:
MOZ_CRASH("Unhandled HAL pixel format");
return SurfaceFormat::UNKNOWN; // not reached
}
}
static bool
NeedsRBSwap(int aHalFormat)
{
switch (aHalFormat) {
case HAL_PIXEL_FORMAT_RGBA_8888:
return true;
case HAL_PIXEL_FORMAT_RGBX_8888:
return true;
case HAL_PIXEL_FORMAT_BGRA_8888:
return false;
case HAL_PIXEL_FORMAT_RGB_565:
return false;
default:
MOZ_CRASH("Unhandled HAL pixel format");
return false; // not reached
}
}
already_AddRefed<DrawTarget>
nsWindow::StartRemoteDrawing()
{
mFramebuffer = mScreen->DequeueBuffer();
int width = mFramebuffer->width, height = mFramebuffer->height;
if (gralloc_module()->lock(gralloc_module(), mFramebuffer->handle,
GRALLOC_USAGE_SW_READ_NEVER |
GRALLOC_USAGE_SW_WRITE_OFTEN |
GRALLOC_USAGE_HW_FB,
0, 0, width, height,
reinterpret_cast<void**>(&mMappedBuffer))) {
EndRemoteDrawing();
return nullptr;
}
SurfaceFormat format = HalFormatToSurfaceFormat(mScreen->GetSurfaceFormat());
mFramebufferTarget = Factory::CreateDrawTargetForData(
BackendType::CAIRO,
mMappedBuffer,
IntSize(width, height),
mFramebuffer->stride * gfx::BytesPerPixel(format),
format);
if (!mFramebufferTarget) {
MOZ_CRASH("nsWindow::StartRemoteDrawing failed in CreateDrawTargetForData");
}
if (!mBackBuffer ||
mBackBuffer->GetSize() != mFramebufferTarget->GetSize() ||
mBackBuffer->GetFormat() != mFramebufferTarget->GetFormat()) {
mBackBuffer = mFramebufferTarget->CreateSimilarDrawTarget(
mFramebufferTarget->GetSize(), mFramebufferTarget->GetFormat());
}
RefPtr<DrawTarget> buffer(mBackBuffer);
return buffer.forget();
}
void
nsWindow::EndRemoteDrawing()
{
if (mFramebufferTarget && mFramebuffer) {
IntSize size = mFramebufferTarget->GetSize();
Rect rect(0, 0, size.width, size.height);
RefPtr<SourceSurface> source = mBackBuffer->Snapshot();
mFramebufferTarget->DrawSurface(source, rect, rect);
// Convert from BGR to RGB
// XXX this is a temporary solution. It consumes extra cpu cycles,
// it should not be used on product device.
if (NeedsRBSwap(mScreen->GetSurfaceFormat())) {
LOGE("Very slow composition path, it should not be used on product!!!");
SurfaceFormat format = HalFormatToSurfaceFormat(mScreen->GetSurfaceFormat());
gfxUtils::ConvertBGRAtoRGBA(
mMappedBuffer,
mFramebuffer->stride * mFramebuffer->height * gfx::BytesPerPixel(format));
mMappedBuffer = nullptr;
gralloc_module()->unlock(gralloc_module(), mFramebuffer->handle);
}
}
if (mFramebuffer) {
mScreen->QueueBuffer(mFramebuffer);
}
mFramebuffer = nullptr;
mFramebufferTarget = nullptr;
}
float
nsWindow::GetDPI()
{
return mScreen->GetDpi();
}
double
nsWindow::GetDefaultScaleInternal()
{
float dpi = GetDPI();
// The mean pixel density for mdpi devices is 160dpi, 240dpi for hdpi,
// and 320dpi for xhdpi, respectively.
// We'll take the mid-value between these three numbers as the boundary.
if (dpi < 200.0) {
return 1.0; // mdpi devices.
}
if (dpi < 280.0) {
return 1.5; // hdpi devices.
}
// xhdpi devices and beyond.
return floor(dpi / 150.0 + 0.5);
}
LayerManager *
nsWindow::GetLayerManager(PLayerTransactionChild* aShadowManager,
LayersBackend aBackendHint,
LayerManagerPersistence aPersistence,
bool* aAllowRetaining)
{
if (aAllowRetaining) {
*aAllowRetaining = true;
}
if (mLayerManager) {
// This layer manager might be used for painting outside of DoDraw(), so we need
// to set the correct rotation on it.
if (mLayerManager->GetBackendType() == LayersBackend::LAYERS_CLIENT) {
ClientLayerManager* manager =
static_cast<ClientLayerManager*>(mLayerManager.get());
uint32_t rotation = mScreen->EffectiveScreenRotation();
manager->SetDefaultTargetConfiguration(mozilla::layers::BufferMode::BUFFER_NONE,
ScreenRotation(rotation));
}
return mLayerManager;
}
const nsTArray<nsWindow*>& windows = mScreen->GetTopWindows();
nsWindow *topWindow = windows[0];
if (!topWindow) {
LOGW(" -- no topwindow\n");
return nullptr;
}
CreateCompositor();
if (mCompositorParent && mScreen->IsPrimaryScreen()) {
mComposer2D->SetCompositorParent(mCompositorParent);
}
MOZ_ASSERT(mLayerManager);
return mLayerManager;
}
void
nsWindow::DestroyCompositor()
{
if (mCompositorParent && mScreen->IsPrimaryScreen()) {
// Unset CompositorParent
mComposer2D->SetCompositorParent(nullptr);
}
nsBaseWidget::DestroyCompositor();
}
CompositorParent*
nsWindow::NewCompositorParent(int aSurfaceWidth, int aSurfaceHeight)
{
return new CompositorParent(this, true, aSurfaceWidth, aSurfaceHeight);
}
void
nsWindow::BringToTop()
{
const nsTArray<nsWindow*>& windows = mScreen->GetTopWindows();
if (!windows.IsEmpty()) {
if (nsIWidgetListener* listener = windows[0]->GetWidgetListener()) {
listener->WindowDeactivated();
}
}
mScreen->BringToTop(this);
if (mWidgetListener) {
mWidgetListener->WindowActivated();
}
Invalidate(LayoutDeviceIntRect::FromUnknownRect(mBounds));
}
void
nsWindow::UserActivity()
{
if (!mIdleService) {
mIdleService = do_GetService("@mozilla.org/widget/idleservice;1");
}
if (mIdleService) {
mIdleService->ResetIdleTimeOut(0);
}
}
uint32_t
nsWindow::GetGLFrameBufferFormat()
{
if (mLayerManager &&
mLayerManager->GetBackendType() == mozilla::layers::LayersBackend::LAYERS_OPENGL) {
// We directly map the hardware fb on Gonk. The hardware fb
// has RGB format.
return LOCAL_GL_RGB;
}
return LOCAL_GL_NONE;
}
LayoutDeviceIntRect
nsWindow::GetNaturalBounds()
{
return mScreen->GetNaturalBounds();
}
nsScreenGonk*
nsWindow::GetScreen()
{
return mScreen;
}
bool
nsWindow::NeedsPaint()
{
if (!mLayerManager) {
return false;
}
return nsIWidget::NeedsPaint();
}
Composer2D*
nsWindow::GetComposer2D()
{
if (mScreen->GetDisplayType() == GonkDisplay::DISPLAY_VIRTUAL) {
return nullptr;
}
return mComposer2D;
}
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