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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "GtkCompositorWidget.h"
#include "gfxPlatformGtk.h"
#include "mozilla/layers/CompositorThread.h"
#include "mozilla/widget/InProcessCompositorWidget.h"
#include "mozilla/widget/PlatformWidgetTypes.h"
#include "nsWindow.h"
namespace mozilla {
namespace widget {
GtkCompositorWidget::GtkCompositorWidget(
const GtkCompositorWidgetInitData& aInitData,
const layers::CompositorOptions& aOptions, nsWindow* aWindow)
: CompositorWidget(aOptions),
mWidget(aWindow),
mClientSize("GtkCompositorWidget::mClientSize") {
#if defined(MOZ_WAYLAND)
if (!aInitData.IsX11Display()) {
if (!aWindow) {
NS_WARNING("GtkCompositorWidget: We're missing nsWindow!");
}
mProvider.Initialize(aWindow);
}
#endif
#if defined(MOZ_X11)
if (aInitData.IsX11Display()) {
// If we have a nsWindow, then grab the already existing display connection
// If we don't, then use the init data to connect to the display
if (aWindow) {
mXDisplay = aWindow->XDisplay();
} else {
mXDisplay = XOpenDisplay(aInitData.XDisplayString().get());
}
mXWindow = (Window)aInitData.XWindow();
// Grab the window's visual and depth
XWindowAttributes windowAttrs;
if (!XGetWindowAttributes(mXDisplay, mXWindow, &windowAttrs)) {
NS_WARNING("GtkCompositorWidget(): XGetWindowAttributes() failed!");
}
Visual* visual = windowAttrs.visual;
mDepth = windowAttrs.depth;
// Initialize the window surface provider
mProvider.Initialize(mXDisplay, mXWindow, visual, mDepth,
aInitData.Shaped());
}
#endif
auto size = mClientSize.Lock();
*size = aInitData.InitialClientSize();
}
GtkCompositorWidget::~GtkCompositorWidget() {
mProvider.CleanupResources();
#if defined(MOZ_X11)
// If we created our own display connection, we need to destroy it
if (!mWidget && mXDisplay) {
XCloseDisplay(mXDisplay);
mXDisplay = nullptr;
}
#endif
}
already_AddRefed<gfx::DrawTarget> GtkCompositorWidget::StartRemoteDrawing() {
return nullptr;
}
void GtkCompositorWidget::EndRemoteDrawing() {}
already_AddRefed<gfx::DrawTarget>
GtkCompositorWidget::StartRemoteDrawingInRegion(
LayoutDeviceIntRegion& aInvalidRegion, layers::BufferMode* aBufferMode) {
return mProvider.StartRemoteDrawingInRegion(aInvalidRegion, aBufferMode);
}
void GtkCompositorWidget::EndRemoteDrawingInRegion(
gfx::DrawTarget* aDrawTarget, const LayoutDeviceIntRegion& aInvalidRegion) {
mProvider.EndRemoteDrawingInRegion(aDrawTarget, aInvalidRegion);
}
nsIWidget* GtkCompositorWidget::RealWidget() { return mWidget; }
void GtkCompositorWidget::NotifyClientSizeChanged(
const LayoutDeviceIntSize& aClientSize) {
auto size = mClientSize.Lock();
*size = aClientSize;
}
LayoutDeviceIntSize GtkCompositorWidget::GetClientSize() {
auto size = mClientSize.Lock();
return *size;
}
uintptr_t GtkCompositorWidget::GetWidgetKey() {
return reinterpret_cast<uintptr_t>(mWidget);
}
EGLNativeWindowType GtkCompositorWidget::GetEGLNativeWindow() {
if (mWidget) {
return (EGLNativeWindowType)mWidget->GetNativeData(NS_NATIVE_EGL_WINDOW);
}
#if defined(MOZ_X11)
if (mXWindow) {
return (EGLNativeWindowType)mXWindow;
}
#endif
return nullptr;
}
int32_t GtkCompositorWidget::GetDepth() { return mDepth; }
#if defined(MOZ_WAYLAND)
void GtkCompositorWidget::SetEGLNativeWindowSize(
const LayoutDeviceIntSize& aEGLWindowSize) {
if (mWidget) {
mWidget->SetEGLNativeWindowSize(aEGLWindowSize);
}
}
#endif
void GtkCompositorWidget::ClearBeforePaint(
RefPtr<gfx::DrawTarget> aTarget, const LayoutDeviceIntRegion& aRegion) {
// We need to clear target buffer alpha values of popup windows as
// SW-WR paints with alpha blending (see Bug 1674473).
if (mWidget->IsPopup()) {
for (auto iter = aRegion.RectIter(); !iter.Done(); iter.Next()) {
aTarget->ClearRect(gfx::Rect(iter.Get().ToUnknownRect()));
}
}
// Clear background of titlebar area to render titlebar
// transparent corners correctly.
gfx::Rect rect;
if (mWidget->GetTitlebarRect(rect)) {
aTarget->ClearRect(rect);
}
}
} // namespace widget
} // namespace mozilla
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