Handle modified displays in mustash.

services/ui/ws/platform_display.h

 // Copyright 2014 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 SERVICES_UI_WS_PLATFORM_DISPLAY_H_
 #define SERVICES_UI_WS_PLATFORM_DISPLAY_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 61 matching lines @@
   virtual void SetViewportSize(const gfx::Size& size) = 0;
 
   virtual void SetTitle(const base::string16& title) = 0;
 
   virtual void SetCapture() = 0;
 
   virtual void ReleaseCapture() = 0;
 
   virtual void SetCursorById(mojom::Cursor cursor) = 0;
 
-  virtual display::Display::Rotation GetRotation() = 0;
-
-  virtual float GetDeviceScaleFactor() = 0;
-
   virtual void UpdateTextInputState(const ui::TextInputState& state) = 0;
   virtual void SetImeVisibility(bool visible) = 0;
 
   // Returns true if a compositor frame has been submitted but not drawn yet.
   virtual bool IsFramePending() const = 0;
 
   virtual void RequestCopyOfOutput(
       std::unique_ptr<cc::CopyOutputRequest> output_request) = 0;
 
   virtual gfx::Rect GetBounds() const = 0;
 
+  // Updates the viewport metrics for the display, returning true if any
+  // metrics have changed.
+  virtual bool UpdateViewportMetrics(
+      const display::ViewportMetrics& metrics) = 0;
+
+  virtual const display::ViewportMetrics& GetViewportMetrics() const = 0;
+
   virtual bool IsPrimaryDisplay() const = 0;
 
   // Notifies the PlatformDisplay that a connection to the gpu has been
   // established.
   virtual void OnGpuChannelEstablished(
       scoped_refptr<gpu::GpuChannelHost> gpu_channel) = 0;
 
   // Overrides factory for testing. Default (NULL) value indicates regular
   // (non-test) environment.
   static void set_factory_for_testing(PlatformDisplayFactory* factory) {
@@ skipping 17 matching lines @@
   // PlatformDisplay:
   void Init(PlatformDisplayDelegate* delegate) override;
   int64_t GetId() const override;
   void SchedulePaint(const ServerWindow* window,
                      const gfx::Rect& bounds) override;
   void SetViewportSize(const gfx::Size& size) override;
   void SetTitle(const base::string16& title) override;
   void SetCapture() override;
   void ReleaseCapture() override;
   void SetCursorById(mojom::Cursor cursor) override;
-  float GetDeviceScaleFactor() override;
-  display::Display::Rotation GetRotation() override;
   void UpdateTextInputState(const ui::TextInputState& state) override;
   void SetImeVisibility(bool visible) override;
   bool IsFramePending() const override;
   void RequestCopyOfOutput(
       std::unique_ptr<cc::CopyOutputRequest> output_request) override;
   gfx::Rect GetBounds() const override;
+  bool UpdateViewportMetrics(const display::ViewportMetrics& metrics) override;
+  const display::ViewportMetrics& GetViewportMetrics() const override;
   bool IsPrimaryDisplay() const override;
   void OnGpuChannelEstablished(
       scoped_refptr<gpu::GpuChannelHost> gpu_channel) override;
 
  private:
-  void UpdateMetrics(const gfx::Rect& bounds,
-                     const gfx::Size& pixel_size,
-                     float device_scale_factor);
-
   // Update the root_location of located events to be relative to the origin
   // of this display. For example, if the origin of this display is (1800, 0)
   // and the location of the event is (100, 200) then the root_location will be
   // updated to be (1900, 200).
   void UpdateEventRootLocation(ui::LocatedEvent* event);
 
   // ui::PlatformWindowDelegate:
   void OnBoundsChanged(const gfx::Rect& new_bounds) override;
   void OnDamageRect(const gfx::Rect& damaged_region) override;
   void DispatchEvent(ui::Event* event) override;
   void OnCloseRequest() override;
   void OnClosed() override;
   void OnWindowStateChanged(ui::PlatformWindowState new_state) override;
   void OnLostCapture() override;
   void OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget,
                                     float device_scale_factor) override;
   void OnAcceleratedWidgetDestroyed() override;
   void OnActivationChanged(bool active) override;
 
   // FrameGeneratorDelegate:
   ServerWindow* GetRootWindow() override;
   bool IsInHighContrastMode() override;
-  const ViewportMetrics& GetViewportMetrics() override;
 
   int64_t id_;
 
 #if !defined(OS_ANDROID)
   std::unique_ptr<ui::CursorLoader> cursor_loader_;
 #endif
 
   PlatformDisplayDelegate* delegate_ = nullptr;
   std::unique_ptr<FrameGenerator> frame_generator_;
 
-  ViewportMetrics metrics_;
+  display::ViewportMetrics metrics_;
   std::unique_ptr<ui::PlatformWindow> platform_window_;
 
   DISALLOW_COPY_AND_ASSIGN(DefaultPlatformDisplay);
 };
 
 }  // namespace ws
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_WS_PLATFORM_DISPLAY_H_