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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef BLIMP_CLIENT_APP_LINUX_BLIMP_DISPLAY_MANAGER_H_ | |
| 6 #define BLIMP_CLIENT_APP_LINUX_BLIMP_DISPLAY_MANAGER_H_ | |
| 7 | |
| 8 #include <memory> | |
| 9 | |
| 10 #include "base/macros.h" | |
| 11 #include "ui/events/event.h" | |
| 12 #include "ui/events/gestures/motion_event_aura.h" | |
| 13 #include "ui/platform_window/platform_window_delegate.h" | |
| 14 | |
| 15 namespace gfx { | |
| 16 class Size; | |
| 17 } | |
| 18 | |
| 19 namespace ui { | |
| 20 class PlatformEventSource; | |
| 21 class PlatformWindow; | |
| 22 } | |
| 23 | |
| 24 namespace blimp { | |
| 25 namespace client { | |
| 26 | |
| 27 class BrowserCompositor; | |
| 28 class BlimpContents; | |
| 29 class CompositorDependencies; | |
| 30 | |
| 31 class BlimpDisplayManagerDelegate { | |
| 32 public: | |
| 33 virtual void OnClosed() = 0; | |
| 34 }; | |
| 35 | |
| 36 // Manages an X11 window that interacts with a Compositor by listening to the | |
| 37 // window's event handlers | |
| 38 class BlimpDisplayManager : public ui::PlatformWindowDelegate { | |
| 39 public: | |
| 40 // |delegate|: The delegate to receive the OnClosed call. | |
| 41 // |compositor_dependencies|: Set of compositor dependencies provided by the | |
| 42 // embedder. | |
| 43 BlimpDisplayManager(BlimpDisplayManagerDelegate* delegate, | |
| 44 CompositorDependencies* compositor_dependencies); | |
| 45 ~BlimpDisplayManager() override; | |
| 46 | |
| 47 void SetWindowSize(const gfx::Size& window_size); | |
| 48 void SetBlimpContents(std::unique_ptr<BlimpContents> contents); | |
| 49 | |
| 50 // ui::PlatformWindowDelegate implementation. | |
| 51 void OnBoundsChanged(const gfx::Rect& new_bounds) override; | |
| 52 void OnDamageRect(const gfx::Rect& damaged_region) override {} | |
| 53 void DispatchEvent(ui::Event* event) override; | |
| 54 void OnCloseRequest() override; | |
| 55 void OnClosed() override; | |
| 56 void OnWindowStateChanged(ui::PlatformWindowState new_state) override {} | |
| 57 void OnLostCapture() override {} | |
| 58 void OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget, | |
| 59 float device_pixel_ratio) override; | |
| 60 void OnAcceleratedWidgetDestroyed() override; | |
| 61 void OnActivationChanged(bool active) override {} | |
| 62 | |
| 63 private: | |
| 64 // Dispatch a given mouse event as a touch event. | |
| 65 void DispatchMouseEvent(ui::MouseEvent* mouse_event); | |
| 66 | |
| 67 // Dispatch a given mousewheel scroll event as a pinch/zoom touch event. | |
| 68 void DispatchMouseWheelEvent(ui::MouseWheelEvent* mouse_event); | |
| 69 | |
| 70 // Dispatch a given touch event as part of a stream of touch events. | |
| 71 void DispatchMotionEventAura(ui::MotionEventAura* touch_event_stream, | |
| 72 ui::EventType event_type, | |
| 73 int pointer_id, | |
| 74 int pointer_x, | |
| 75 int pointer_y); | |
| 76 | |
| 77 // Simulate a pinch/zoom touch event. | |
| 78 void Zoom(int pointer_x, int pointer_y, int y_offset, bool zoom_out); | |
| 79 | |
| 80 float device_pixel_ratio_; | |
| 81 | |
| 82 BlimpDisplayManagerDelegate* delegate_; | |
| 83 | |
| 84 std::unique_ptr<BrowserCompositor> compositor_; | |
| 85 std::unique_ptr<BlimpContents> contents_; | |
| 86 std::unique_ptr<ui::PlatformEventSource> platform_event_source_; | |
| 87 std::unique_ptr<ui::PlatformWindow> platform_window_; | |
| 88 | |
| 89 DISALLOW_COPY_AND_ASSIGN(BlimpDisplayManager); | |
| 90 }; | |
| 91 | |
| 92 } // namespace client | |
| 93 } // namespace blimp | |
| 94 | |
| 95 #endif // BLIMP_CLIENT_APP_LINUX_BLIMP_DISPLAY_MANAGER_H_ | |
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