1 | /* |
2 | * Copyright (C) 2019 Apple Inc. All rights reserved. |
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. ``AS IS'' AND ANY |
14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #pragma once |
27 | |
28 | #include "DisplayRefreshMonitorClient.h" |
29 | #include <wtf/Seconds.h> |
30 | |
31 | namespace WebCore { |
32 | |
33 | class Page; |
34 | class Timer; |
35 | |
36 | class RenderingUpdateScheduler |
37 | #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR) |
38 | : public DisplayRefreshMonitorClient |
39 | #endif |
40 | { |
41 | WTF_MAKE_FAST_ALLOCATED; |
42 | public: |
43 | static std::unique_ptr<RenderingUpdateScheduler> create(Page& page) |
44 | { |
45 | return std::make_unique<RenderingUpdateScheduler>(page); |
46 | } |
47 | |
48 | RenderingUpdateScheduler(Page&); |
49 | void scheduleTimedRenderingUpdate(); |
50 | void scheduleImmediateRenderingUpdate(); |
51 | void scheduleRenderingUpdate(); |
52 | |
53 | private: |
54 | #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR) |
55 | RefPtr<DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) const final; |
56 | void windowScreenDidChange(PlatformDisplayID); |
57 | void displayRefreshFired() final; |
58 | #else |
59 | void displayRefreshFired(); |
60 | #endif |
61 | |
62 | bool isScheduled() const; |
63 | void startTimer(Seconds); |
64 | void clearScheduled(); |
65 | |
66 | Page& m_page; |
67 | bool m_scheduled { false }; |
68 | std::unique_ptr<Timer> m_refreshTimer; |
69 | }; |
70 | |
71 | } |
72 | |