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Side by Side Diff: Source/core/rendering/compositing/GraphicsLayerUpdater.h

Issue 185293002: Factor GraphicsLayerUpdater out of RenderLayerCompositor (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Address reviewer comments Created 6 years, 9 months ago
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1 /* 1 /*
2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. 2 * Copyright (C) 2009, 2010 Apple Inc. All rights reserved.
3 * Copyright (C) 2014 Google Inc. All rights reserved.
3 * 4 *
4 * Redistribution and use in source and binary forms, with or without 5 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 6 * modification, are permitted provided that the following conditions
6 * are met: 7 * are met:
7 * 1. Redistributions of source code must retain the above copyright 8 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright 10 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 11 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution. 12 * documentation and/or other materials provided with the distribution.
12 * 13 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * (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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 */ 25 */
26 26
27 #ifndef SuspendableTimer_h 27 #ifndef GraphicsLayerUpdater_h
28 #define SuspendableTimer_h 28 #define GraphicsLayerUpdater_h
29 29
30 #include "core/dom/ActiveDOMObject.h" 30 #include "wtf/Vector.h"
31 #include "platform/Timer.h"
32 31
33 namespace WebCore { 32 namespace WebCore {
34 33
35 class SuspendableTimer : public TimerBase, public ActiveDOMObject { 34 class GraphicsLayer;
35 class RenderLayer;
36 class RenderPart;
37 class RenderView;
38
39 class GraphicsLayerUpdater {
36 public: 40 public:
37 explicit SuspendableTimer(ExecutionContext*); 41 explicit GraphicsLayerUpdater(RenderView&);
38 virtual ~SuspendableTimer(); 42 ~GraphicsLayerUpdater();
39 43
40 // ActiveDOMObject 44 void updateRecursive(RenderLayer&);
41 virtual bool hasPendingActivity() const OVERRIDE FINAL; 45 void rebuildTree(RenderLayer&, Vector<GraphicsLayer*>& childLayersOfEnclosin gLayer, int depth);
42 virtual void stop() OVERRIDE;
43 virtual void suspend() OVERRIDE FINAL;
44 virtual void resume() OVERRIDE FINAL;
45 46
46 private: 47 private:
47 virtual void fired() = 0; 48 void update(RenderLayer&);
48 49
49 double m_nextFireInterval; 50 RenderView& m_renderView;
50 double m_repeatInterval; 51
51 bool m_active; 52 // Used for gathering UMA data about the effect on memory usage of promoting all layers
52 #if !ASSERT_DISABLED 53 // that have a webkit-transition on opacity or transform and intersect the v iewport.
53 bool m_suspended; 54 double m_pixelsWithoutPromotingAllTransitions;
54 #endif 55 double m_pixelsAddedByPromotingAllTransitions;
55 }; 56 };
56 57
57 } // namespace WebCore 58 } // namespace WebCore
58 59
59 #endif // SuspendableTimer_h 60 #endif // GraphicsLayerUpdater_h
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