Index: ui/aura/window_port_for_shutdown.h |
diff --git a/ui/aura/window_port_for_shutdown.h b/ui/aura/window_port_for_shutdown.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..894e2c7259f74b830da181b31bd3515cd10a1863 |
--- /dev/null |
+++ b/ui/aura/window_port_for_shutdown.h |
@@ -0,0 +1,47 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef UI_AURA_WINDOW_PORT_FOR_SHUTDOWN_H_ |
+#define UI_AURA_WINDOW_PORT_FOR_SHUTDOWN_H_ |
+ |
+#include "ui/aura/window_port.h" |
+ |
+namespace aura { |
+ |
+// When WindowTreeClient is destroyed any existing windows get a |
+// WindowPortForShutdown assigned to them. This allows for the Window to keep |
+// working without a WindowTreeClient. This class is *only* used inside aura. |
+class WindowPortForShutdown : public WindowPort { |
+ public: |
+ WindowPortForShutdown(); |
+ ~WindowPortForShutdown() override; |
+ |
+ static void Install(aura::Window* window); |
+ |
+ // WindowPort: |
+ void OnPreInit(Window* window) override; |
+ void OnDeviceScaleFactorChanged(float device_scale_factor) override; |
+ void OnWillAddChild(Window* child) override; |
+ void OnWillRemoveChild(Window* child) override; |
+ void OnWillMoveChild(size_t current_index, size_t dest_index) override; |
+ void OnVisibilityChanged(bool visible) override; |
+ void OnDidChangeBounds(const gfx::Rect& old_bounds, |
+ const gfx::Rect& new_bounds) override; |
+ std::unique_ptr<ui::PropertyData> OnWillChangeProperty( |
+ const void* key) override; |
+ void OnPropertyChanged(const void* key, |
+ int64_t old_value, |
+ std::unique_ptr<ui::PropertyData> data) override; |
+ std::unique_ptr<cc::CompositorFrameSink> CreateCompositorFrameSink() override; |
+ cc::SurfaceId GetSurfaceId() const override; |
+ void OnWindowAddedToRootWindow() override; |
+ void OnWillRemoveWindowFromRootWindow() override; |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(WindowPortForShutdown); |
+}; |
+ |
+} // namespace aura |
+ |
+#endif // UI_AURA_WINDOW_PORT_FOR_SHUTDOWN_H_ |