[Blimp Client] Land CL 1528243002 (Add a basic linux client for Blimp)

blimp/client/linux/blimp_display_manager.h

+// Copyright 2015 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 BLIMP_CLIENT_LINUX_BLIMP_DISPLAY_MANAGER_H_
+#define BLIMP_CLIENT_LINUX_BLIMP_DISPLAY_MANAGER_H_
+
+#include "base/macros.h"
+#include "base/memory/scoped_ptr.h"
+#include "ui/platform_window/platform_window_delegate.h"
+
+namespace gfx {
+class Size;
+}
+
+namespace ui {
+class PlatformWindow;
+}
+
+namespace blimp {
+
+class BlimpCompositor;
+class RenderWidgetFeature;
+class TabControlFeature;
+
+class BlimpDisplayManagerDelegate {
+ public:
+  virtual void OnClosed() = 0;
+};
+
+class BlimpDisplayManager : public ui::PlatformWindowDelegate {
+ public:
+  BlimpDisplayManager(const gfx::Size& window_size,
+                      BlimpDisplayManagerDelegate* delegate,
+                      RenderWidgetFeature* render_widget_feature,
+                      TabControlFeature* tab_control_feature);
+  ~BlimpDisplayManager() override;
+
+  // 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_pixel_ratio) override;
+  void OnAcceleratedWidgetDestroyed() override;
+  void OnActivationChanged(bool active) override;
+
+ private:
+  float device_pixel_ratio_;
+
+  BlimpDisplayManagerDelegate* delegate_;
+  TabControlFeature* tab_control_feature_;
+
+  scoped_ptr<BlimpCompositor> blimp_compositor_;
+  scoped_ptr<ui::PlatformWindow> platform_window_;
+
+  DISALLOW_COPY_AND_ASSIGN(BlimpDisplayManager);
+};
+
+}  // namespace blimp
+
+#endif  // BLIMP_CLIENT_LINUX_BLIMP_DISPLAY_MANAGER_H_