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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 | 10 |
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63 virtual void OnFilterAdded(IPC::Channel* channel) OVERRIDE; | 63 virtual void OnFilterAdded(IPC::Channel* channel) OVERRIDE; |
64 virtual void OnFilterRemoved() OVERRIDE; | 64 virtual void OnFilterRemoved() OVERRIDE; |
65 virtual void OnChannelClosing() OVERRIDE; | 65 virtual void OnChannelClosing() OVERRIDE; |
66 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; | 66 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
67 | 67 |
68 private: | 68 private: |
69 virtual ~InputEventFilter(); | 69 virtual ~InputEventFilter(); |
70 | 70 |
71 void ForwardToMainListener(const IPC::Message& message); | 71 void ForwardToMainListener(const IPC::Message& message); |
72 void ForwardToHandler(const IPC::Message& message); | 72 void ForwardToHandler(const IPC::Message& message); |
73 void SendACK(blink::WebInputEvent::Type type, | 73 void SendMessage(scoped_ptr<IPC::Message> message); |
74 InputEventAckState ack_result, | 74 void SendMessageOnIOThread(scoped_ptr<IPC::Message> message); |
75 const ui::LatencyInfo& latency_info, | |
76 int routing_id); | |
77 void SendMessage(const IPC::Message& message); | |
78 void SendMessageOnIOThread(const IPC::Message& message); | |
79 | 75 |
80 scoped_refptr<base::MessageLoopProxy> main_loop_; | 76 scoped_refptr<base::MessageLoopProxy> main_loop_; |
81 IPC::Listener* main_listener_; | 77 IPC::Listener* main_listener_; |
82 | 78 |
83 // The sender_ only gets invoked on the thread corresponding to io_loop_. | 79 // The sender_ only gets invoked on the thread corresponding to io_loop_. |
84 scoped_refptr<base::MessageLoopProxy> io_loop_; | 80 scoped_refptr<base::MessageLoopProxy> io_loop_; |
85 IPC::Sender* sender_; | 81 IPC::Sender* sender_; |
86 | 82 |
87 // The handler_ only gets Run on the thread corresponding to target_loop_. | 83 // The handler_ only gets Run on the thread corresponding to target_loop_. |
88 scoped_refptr<base::MessageLoopProxy> target_loop_; | 84 scoped_refptr<base::MessageLoopProxy> target_loop_; |
89 Handler handler_; | 85 Handler handler_; |
90 | 86 |
91 // Protects access to routes_. | 87 // Protects access to routes_. |
92 base::Lock routes_lock_; | 88 base::Lock routes_lock_; |
93 | 89 |
94 // Indicates the routing_ids for which input events should be filtered. | 90 // Indicates the routing_ids for which input events should be filtered. |
95 std::set<int> routes_; | 91 std::set<int> routes_; |
96 | 92 |
97 // Specifies whether overscroll notifications are forwarded to the host. | 93 // Specifies whether overscroll notifications are forwarded to the host. |
98 bool overscroll_notifications_enabled_; | 94 bool overscroll_notifications_enabled_; |
| 95 |
| 96 // Used to intercept overscroll notifications while an event is being |
| 97 // dispatched. If the event causes overscroll, the overscroll metadata can be |
| 98 // bundled in the event ack, saving an IPC. Note that we must continue |
| 99 // supporting overscroll IPC notifications due to fling animation updates. |
| 100 scoped_ptr<DidOverscrollParams>* current_overscroll_params_; |
99 }; | 101 }; |
100 | 102 |
101 } // namespace content | 103 } // namespace content |
102 | 104 |
103 #endif // CONTENT_RENDERER_INPUT_INPUT_EVENT_FILTER_H_ | 105 #endif // CONTENT_RENDERER_INPUT_INPUT_EVENT_FILTER_H_ |
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