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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_RENDERER_INPUT_INPUT_EVENT_FILTER_H_ | 5 #ifndef CONTENT_RENDERER_INPUT_INPUT_EVENT_FILTER_H_ |
6 #define CONTENT_RENDERER_INPUT_INPUT_EVENT_FILTER_H_ | 6 #define CONTENT_RENDERER_INPUT_INPUT_EVENT_FILTER_H_ |
7 | 7 |
8 #include <queue> | 8 #include <queue> |
9 #include <set> | 9 #include <set> |
10 #include <unordered_map> | 10 #include <unordered_map> |
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74 void OnFilterRemoved() override; | 74 void OnFilterRemoved() override; |
75 void OnChannelClosing() override; | 75 void OnChannelClosing() override; |
76 bool OnMessageReceived(const IPC::Message& message) override; | 76 bool OnMessageReceived(const IPC::Message& message) override; |
77 | 77 |
78 // MainThreadEventQueueClient methods: | 78 // MainThreadEventQueueClient methods: |
79 void SendEventToMainThread(int routing_id, | 79 void SendEventToMainThread(int routing_id, |
80 const blink::WebInputEvent* event, | 80 const blink::WebInputEvent* event, |
81 const ui::LatencyInfo& latency, | 81 const ui::LatencyInfo& latency, |
82 InputEventDispatchType dispatch_type) override; | 82 InputEventDispatchType dispatch_type) override; |
83 | 83 |
| 84 // Whether the fling animation is happening right now. |
| 85 void SetIsFlinging(bool is_flinging) override; |
| 86 |
84 private: | 87 private: |
85 ~InputEventFilter() override; | 88 ~InputEventFilter() override; |
86 | 89 |
87 void ForwardToHandler(const IPC::Message& message); | 90 void ForwardToHandler(const IPC::Message& message); |
88 void SendMessage(std::unique_ptr<IPC::Message> message); | 91 void SendMessage(std::unique_ptr<IPC::Message> message); |
89 void SendMessageOnIOThread(std::unique_ptr<IPC::Message> message); | 92 void SendMessageOnIOThread(std::unique_ptr<IPC::Message> message); |
90 | 93 |
91 scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_; | 94 scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_; |
92 base::Callback<void(const IPC::Message&)> main_listener_; | 95 base::Callback<void(const IPC::Message&)> main_listener_; |
93 | 96 |
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107 | 110 |
108 using RouteQueueMap = | 111 using RouteQueueMap = |
109 std::unordered_map<int, std::unique_ptr<MainThreadEventQueue>>; | 112 std::unordered_map<int, std::unique_ptr<MainThreadEventQueue>>; |
110 RouteQueueMap route_queues_; | 113 RouteQueueMap route_queues_; |
111 | 114 |
112 // Used to intercept overscroll notifications while an event is being | 115 // Used to intercept overscroll notifications while an event is being |
113 // dispatched. If the event causes overscroll, the overscroll metadata can be | 116 // dispatched. If the event causes overscroll, the overscroll metadata can be |
114 // bundled in the event ack, saving an IPC. Note that we must continue | 117 // bundled in the event ack, saving an IPC. Note that we must continue |
115 // supporting overscroll IPC notifications due to fling animation updates. | 118 // supporting overscroll IPC notifications due to fling animation updates. |
116 std::unique_ptr<DidOverscrollParams>* current_overscroll_params_; | 119 std::unique_ptr<DidOverscrollParams>* current_overscroll_params_; |
| 120 |
| 121 bool is_flinging_; |
117 }; | 122 }; |
118 | 123 |
119 } // namespace content | 124 } // namespace content |
120 | 125 |
121 #endif // CONTENT_RENDERER_INPUT_INPUT_EVENT_FILTER_H_ | 126 #endif // CONTENT_RENDERER_INPUT_INPUT_EVENT_FILTER_H_ |
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