1/*
2 * Copyright 2011, The Android Open Source Project
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 *  * Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 *  * 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 THE COPYRIGHT HOLDERS ``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 THE COPYRIGHT OWNER 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#ifndef TreeManager_h
27#define TreeManager_h
28
29#include "TestExport.h"
30#include <utils/threads.h>
31#include "PerformanceMonitor.h"
32
33class Layer;
34class SkRect;
35class SkCanvas;
36
37namespace WebCore {
38
39class IntRect;
40class TexturesResult;
41
42class TEST_EXPORT TreeManager {
43public:
44    TreeManager();
45
46    ~TreeManager();
47
48    void updateWithTree(Layer* tree, bool brandNew);
49
50    void updateScrollableLayer(int layerId, int x, int y);
51
52    bool drawGL(double currentTime, IntRect& viewRect,
53                SkRect& visibleRect, float scale,
54                bool enterFastSwapMode, bool* treesSwappedPtr, bool* newTreeHasAnimPtr,
55                TexturesResult* texturesResultPtr);
56
57    void drawCanvas(SkCanvas* canvas, bool drawLayers);
58
59    // used in debugging (to avoid exporting TilesManager symbols)
60    static int getTotalPaintedSurfaceCount();
61
62    int baseContentWidth();
63    int baseContentHeight();
64
65private:
66    static void updateScrollableLayerInTree(Layer* tree, int layerId, int x, int y);
67
68    void swap();
69    void clearTrees();
70
71    android::Mutex m_paintSwapLock;
72
73    Layer* m_drawingTree;
74    Layer* m_paintingTree;
75    Layer* m_queuedTree;
76
77    bool m_fastSwapMode;
78    PerformanceMonitor m_perf;
79};
80
81} // namespace WebCore
82
83#endif //#define TreeManager_h
84