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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 CONTENT_RENDERER_MUS_COMPOSITOR_MUS_CONNECTION_H_ | |
| 6 #define CONTENT_RENDERER_MUS_COMPOSITOR_MUS_CONNECTION_H_ | |
| 7 | |
| 8 #include <memory> | |
| 9 | |
| 10 #include "base/bind.h" | |
| 11 #include "base/compiler_specific.h" | |
| 12 #include "base/macros.h" | |
| 13 #include "base/synchronization/lock.h" | |
| 14 #include "content/common/content_export.h" | |
| 15 #include "content/common/input/input_event_ack_state.h" | |
| 16 #include "services/ui/public/cpp/input_event_handler.h" | |
| 17 #include "services/ui/public/cpp/window.h" | |
| 18 #include "services/ui/public/cpp/window_tree_client.h" | |
| 19 #include "services/ui/public/cpp/window_tree_client_delegate.h" | |
| 20 #include "third_party/WebKit/public/platform/WebCoalescedInputEvent.h" | |
| 21 #include "ui/events/gestures/motion_event_aura.h" | |
| 22 | |
| 23 namespace ui { | |
| 24 struct DidOverscrollParams; | |
| 25 } | |
| 26 | |
| 27 namespace content { | |
| 28 | |
| 29 class InputHandlerManager; | |
| 30 | |
| 31 // CompositorMusConnection manages the connection to the Mandoline UI Service | |
| 32 // (Mus) on the compositor thread. For operations that need to happen on the | |
| 33 // main thread, CompositorMusConnection deals with passing information across | |
| 34 // threads. CompositorMusConnection is constructed on the main thread. By | |
| 35 // default all other methods are assumed to run on the compositor thread unless | |
| 36 // explicited suffixed with OnMainThread. | |
| 37 class CONTENT_EXPORT CompositorMusConnection | |
| 38 : NON_EXPORTED_BASE(public ui::WindowTreeClientDelegate), | |
| 39 NON_EXPORTED_BASE(public ui::InputEventHandler), | |
| 40 public base::RefCountedThreadSafe<CompositorMusConnection> { | |
| 41 public: | |
| 42 // Created on main thread. | |
| 43 CompositorMusConnection( | |
| 44 int routing_id, | |
| 45 const scoped_refptr<base::SingleThreadTaskRunner>& main_task_runner, | |
| 46 const scoped_refptr<base::SingleThreadTaskRunner>& compositor_task_runner, | |
| 47 mojo::InterfaceRequest<ui::mojom::WindowTreeClient> request, | |
| 48 InputHandlerManager* input_handler_manager); | |
| 49 | |
| 50 // Attaches the provided |compositor_frame_sink_binding| with the ui::Window | |
| 51 // for the renderer once it becomes available. | |
| 52 void AttachCompositorFrameSinkOnMainThread( | |
| 53 std::unique_ptr<ui::WindowCompositorFrameSinkBinding> | |
| 54 compositor_frame_sink_binding); | |
| 55 | |
| 56 private: | |
| 57 friend class CompositorMusConnectionTest; | |
| 58 friend class base::RefCountedThreadSafe<CompositorMusConnection>; | |
| 59 | |
| 60 ~CompositorMusConnection() override; | |
| 61 | |
| 62 void AttachCompositorFrameSinkOnCompositorThread( | |
| 63 std::unique_ptr<ui::WindowCompositorFrameSinkBinding> | |
| 64 compositor_frame_sink_binding); | |
| 65 | |
| 66 void CreateWindowTreeClientOnCompositorThread( | |
| 67 ui::mojom::WindowTreeClientRequest request); | |
| 68 | |
| 69 void OnConnectionLostOnMainThread(); | |
| 70 | |
| 71 void OnWindowInputEventOnMainThread( | |
| 72 blink::WebScopedInputEvent web_event, | |
| 73 const base::Callback<void(ui::mojom::EventResult)>& ack); | |
| 74 | |
| 75 void OnWindowInputEventAckOnMainThread( | |
| 76 const base::Callback<void(ui::mojom::EventResult)>& ack, | |
| 77 ui::mojom::EventResult result); | |
| 78 | |
| 79 std::unique_ptr<blink::WebInputEvent> Convert(const ui::Event& event); | |
| 80 | |
| 81 void DeleteWindowTreeClient(); | |
| 82 | |
| 83 // WindowTreeClientDelegate implementation: | |
| 84 void OnEmbed(ui::Window* root) override; | |
| 85 void OnEmbedRootDestroyed(ui::Window* root) override; | |
| 86 void OnLostConnection(ui::WindowTreeClient* client) override; | |
| 87 void OnPointerEventObserved(const ui::PointerEvent& event, | |
| 88 ui::Window* target) override; | |
| 89 | |
| 90 // InputEventHandler implementation: | |
| 91 void OnWindowInputEvent( | |
| 92 ui::Window* window, | |
| 93 const ui::Event& event, | |
| 94 std::unique_ptr<base::Callback<void(ui::mojom::EventResult)>>* | |
| 95 ack_callback) override; | |
| 96 void DidHandleWindowInputEventAndOverscroll( | |
| 97 std::unique_ptr<base::Callback<void(ui::mojom::EventResult)>> | |
| 98 ack_callback, | |
| 99 InputEventAckState ack_state, | |
| 100 blink::WebScopedInputEvent web_event, | |
| 101 const ui::LatencyInfo& latency_info, | |
| 102 std::unique_ptr<ui::DidOverscrollParams> overscroll_params); | |
| 103 | |
| 104 const int routing_id_; | |
| 105 // Use this lock when accessing |window_tree_client_|. Lock exists solely for | |
| 106 // DCHECK in destructor. | |
| 107 base::Lock window_tree_client_lock_; | |
| 108 std::unique_ptr<ui::WindowTreeClient> window_tree_client_; | |
| 109 ui::Window* root_; | |
| 110 scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_; | |
| 111 scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner_; | |
| 112 InputHandlerManager* const input_handler_manager_; | |
| 113 std::unique_ptr<ui::WindowCompositorFrameSinkBinding> | |
| 114 window_compositor_frame_sink_binding_; | |
| 115 | |
| 116 // Stores the current state of the active pointers targeting this object. | |
| 117 ui::MotionEventAura pointer_state_; | |
| 118 | |
| 119 DISALLOW_COPY_AND_ASSIGN(CompositorMusConnection); | |
| 120 }; | |
| 121 | |
| 122 } // namespace content | |
| 123 | |
| 124 #endif // CONTENT_RENDERER_MUS_COMPOSITOR_MUS_CONNECTION_H_ | |
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Chromium Code Reviews
Issue 2651593002:
mus: Remove the old client lib. (Closed)
