1/*
2 * Copyright (C) 2014 Igalia S.L.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include <WebCore/DisplayRefreshMonitor.h>
29
30#if USE(COORDINATED_GRAPHICS) && USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
31#include <wtf/RunLoop.h>
32
33namespace WebKit {
34
35class ThreadedCompositor;
36
37class ThreadedDisplayRefreshMonitor : public WebCore::DisplayRefreshMonitor {
38public:
39 class Client {
40 public:
41 virtual void requestDisplayRefreshMonitorUpdate() = 0;
42 virtual void handleDisplayRefreshMonitorUpdate(bool) = 0;
43 };
44
45 static Ref<ThreadedDisplayRefreshMonitor> create(WebCore::PlatformDisplayID displayID, Client& client)
46 {
47 return adoptRef(*new ThreadedDisplayRefreshMonitor(displayID, client));
48 }
49 virtual ~ThreadedDisplayRefreshMonitor() = default;
50
51 bool requestRefreshCallback() override;
52
53 bool requiresDisplayRefreshCallback();
54 void dispatchDisplayRefreshCallback();
55 void invalidate();
56
57private:
58 ThreadedDisplayRefreshMonitor(WebCore::PlatformDisplayID, Client&);
59
60 void displayRefreshCallback();
61 RunLoop::Timer<ThreadedDisplayRefreshMonitor> m_displayRefreshTimer;
62 Client* m_client;
63};
64
65} // namespace WebKit
66
67#endif // USE(COORDINATED_GRAPHICS) && USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
68