Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 246 insertions, 0 deletions

diff --git a/widget/gtk/GtkCompositorWidget.cpp b/widget/gtk/GtkCompositorWidget.cpp
new file mode 100644
index 0000000000..2c29d5de03
--- /dev/null
+++ b/widget/gtk/GtkCompositorWidget.cpp
@@ -0,0 +1,246 @@
+/* -*- 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 "mozilla/gfx/gfxVars.h"
+#include "mozilla/layers/CompositorThread.h"
+#include "mozilla/widget/InProcessCompositorWidget.h"
+#include "mozilla/widget/PlatformWidgetTypes.h"
+#include "nsWindow.h"
+
+#ifdef MOZ_X11
+#  include "mozilla/X11Util.h"
+#endif
+
+#ifdef MOZ_WAYLAND
+#  include "mozilla/layers/NativeLayerWayland.h"
+#endif
+
+#ifdef MOZ_LOGGING
+#  undef LOG
+#  define LOG(str, ...)                               \
+    MOZ_LOG(IsPopup() ? gWidgetPopupLog : gWidgetLog, \
+            mozilla::LogLevel::Debug,                 \
+            ("[%p]: " str, mWidget.get(), ##__VA_ARGS__))
+#endif /* MOZ_LOGGING */
+
+namespace mozilla {
+namespace widget {
+
+GtkCompositorWidget::GtkCompositorWidget(
+    const GtkCompositorWidgetInitData& aInitData,
+    const layers::CompositorOptions& aOptions, RefPtr<nsWindow> aWindow)
+    : CompositorWidget(aOptions),
+      mWidget(std::move(aWindow)),
+      mClientSize(LayoutDeviceIntSize(aInitData.InitialClientSize()),
+                  "GtkCompositorWidget::mClientSize") {
+#if defined(MOZ_X11)
+  if (GdkIsX11Display()) {
+    mXWindow = (Window)aInitData.XWindow();
+    ConfigureX11Backend(mXWindow, aInitData.Shaped());
+    LOG("GtkCompositorWidget::GtkCompositorWidget() [%p] mXWindow %p "
+        "mIsRenderingSuspended %d\n",
+        (void*)mWidget.get(), (void*)mXWindow, !!mIsRenderingSuspended);
+  }
+#endif
+#if defined(MOZ_WAYLAND)
+  if (GdkIsWaylandDisplay()) {
+    ConfigureWaylandBackend();
+    LOG("GtkCompositorWidget::GtkCompositorWidget() [%p] mWidget %p "
+        "mIsRenderingSuspended %d\n",
+        (void*)mWidget.get(), (void*)mWidget, !!mIsRenderingSuspended);
+  }
+#endif
+}
+
+GtkCompositorWidget::~GtkCompositorWidget() {
+  LOG("GtkCompositorWidget::~GtkCompositorWidget [%p]\n", (void*)mWidget.get());
+  DisableRendering();
+  RefPtr<nsIWidget> widget = mWidget.forget();
+  NS_ReleaseOnMainThread("GtkCompositorWidget::mWidget", widget.forget());
+}
+
+already_AddRefed<gfx::DrawTarget> GtkCompositorWidget::StartRemoteDrawing() {
+  return nullptr;
+}
+void GtkCompositorWidget::EndRemoteDrawing() {}
+
+already_AddRefed<gfx::DrawTarget>
+GtkCompositorWidget::StartRemoteDrawingInRegion(
+    const 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) {
+  LOG("GtkCompositorWidget::NotifyClientSizeChanged() to %d x %d",
+      aClientSize.width, aClientSize.height);
+
+  auto size = mClientSize.Lock();
+  *size = aClientSize;
+}
+
+LayoutDeviceIntSize GtkCompositorWidget::GetClientSize() {
+  auto size = mClientSize.Lock();
+  return *size;
+}
+
+void GtkCompositorWidget::RemoteLayoutSizeUpdated(
+    const LayoutDeviceRect& aSize) {
+  if (!mWidget || !mWidget->IsWaitingForCompositorResume()) {
+    return;
+  }
+
+  LOG("GtkCompositorWidget::RemoteLayoutSizeUpdated() %d x %d",
+      (int)aSize.width, (int)aSize.height);
+
+  // We're waiting for layout to match widget size.
+  auto clientSize = mClientSize.Lock();
+  if (clientSize->width != (int)aSize.width ||
+      clientSize->height != (int)aSize.height) {
+    LOG("quit, client size doesn't match (%d x %d)", clientSize->width,
+        clientSize->height);
+    return;
+  }
+
+  mWidget->ResumeCompositorFromCompositorThread();
+}
+
+EGLNativeWindowType GtkCompositorWidget::GetEGLNativeWindow() {
+  EGLNativeWindowType window = nullptr;
+  if (mWidget) {
+    window = (EGLNativeWindowType)mWidget->GetNativeData(NS_NATIVE_EGL_WINDOW);
+  }
+#if defined(MOZ_X11)
+  if (mXWindow) {
+    window = (EGLNativeWindowType)mXWindow;
+  }
+#endif
+  LOG("GtkCompositorWidget::GetEGLNativeWindow [%p] window %p\n", mWidget.get(),
+      window);
+  return window;
+}
+
+#if defined(MOZ_WAYLAND)
+void GtkCompositorWidget::SetEGLNativeWindowSize(
+    const LayoutDeviceIntSize& aEGLWindowSize) {
+  if (mWidget) {
+    mWidget->SetEGLNativeWindowSize(aEGLWindowSize);
+  }
+}
+#endif
+
+LayoutDeviceIntRegion GtkCompositorWidget::GetTransparentRegion() {
+  // We need to clear target buffer alpha values of popup windows as
+  // SW-WR paints with alpha blending (see Bug 1674473).
+  if (!mWidget || mWidget->IsPopup()) {
+    return LayoutDeviceIntRect(LayoutDeviceIntPoint(0, 0), GetClientSize());
+  }
+
+  // Clear background of titlebar area to render titlebar
+  // transparent corners correctly.
+  return mWidget->GetTitlebarRect();
+}
+
+#ifdef MOZ_WAYLAND
+RefPtr<mozilla::layers::NativeLayerRoot>
+GtkCompositorWidget::GetNativeLayerRoot() {
+  if (gfx::gfxVars::UseWebRenderCompositor()) {
+    if (!mNativeLayerRoot) {
+      MOZ_ASSERT(mWidget && mWidget->GetMozContainer());
+      mNativeLayerRoot = NativeLayerRootWayland::CreateForMozContainer(
+          mWidget->GetMozContainer());
+    }
+    return mNativeLayerRoot;
+  }
+  return nullptr;
+}
+#endif
+
+void GtkCompositorWidget::DisableRendering() {
+  LOG("GtkCompositorWidget::DisableRendering [%p]\n", (void*)mWidget.get());
+  mIsRenderingSuspended = true;
+  mProvider.CleanupResources();
+#if defined(MOZ_X11)
+  mXWindow = {};
+#endif
+}
+
+#if defined(MOZ_WAYLAND)
+bool GtkCompositorWidget::ConfigureWaylandBackend() {
+  mProvider.Initialize(this);
+  return true;
+}
+#endif
+
+#if defined(MOZ_X11)
+bool GtkCompositorWidget::ConfigureX11Backend(Window aXWindow, bool aShaped) {
+  mXWindow = aXWindow;
+
+  // We don't have X window yet.
+  if (!mXWindow) {
+    mIsRenderingSuspended = true;
+    return false;
+  }
+
+  // Grab the window's visual and depth
+  XWindowAttributes windowAttrs;
+  if (!XGetWindowAttributes(DefaultXDisplay(), mXWindow, &windowAttrs)) {
+    NS_WARNING("GtkCompositorWidget(): XGetWindowAttributes() failed!");
+    return false;
+  }
+
+  Visual* visual = windowAttrs.visual;
+  int depth = windowAttrs.depth;
+
+  // Initialize the window surface provider
+  mProvider.Initialize(mXWindow, visual, depth, aShaped);
+  return true;
+}
+#endif
+
+void GtkCompositorWidget::EnableRendering(const uintptr_t aXWindow,
+                                          const bool aShaped) {
+  LOG("GtkCompositorWidget::EnableRendering() [%p]\n", mWidget.get());
+
+  if (!mIsRenderingSuspended) {
+    LOG("  quit, mIsRenderingSuspended = false\n");
+    return;
+  }
+#if defined(MOZ_WAYLAND)
+  if (GdkIsWaylandDisplay()) {
+    LOG("  configure widget %p\n", mWidget.get());
+    if (!ConfigureWaylandBackend()) {
+      return;
+    }
+  }
+#endif
+#if defined(MOZ_X11)
+  if (GdkIsX11Display()) {
+    LOG("  configure XWindow %p shaped %d\n", (void*)aXWindow, aShaped);
+    if (!ConfigureX11Backend((Window)aXWindow, aShaped)) {
+      return;
+    }
+  }
+#endif
+  mIsRenderingSuspended = false;
+}
+#ifdef MOZ_LOGGING
+bool GtkCompositorWidget::IsPopup() {
+  return mWidget ? mWidget->IsPopup() : false;
+}
+#endif
+
+}  // namespace widget
+}  // namespace mozilla