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 | |
33 | namespace WebKit { |
34 | |
35 | class ThreadedCompositor; |
36 | |
37 | class ThreadedDisplayRefreshMonitor : public WebCore::DisplayRefreshMonitor { |
38 | public: |
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 | |
57 | private: |
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 | |