1/*
2 * Copyright 2007, 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 android_graphics_DEFINED
27#define android_graphics_DEFINED
28
29#include "DrawExtra.h"
30#include "IntRect.h"
31#include "SkTypes.h"
32#include "wtf/Vector.h"
33
34namespace WebCore {
35    class GraphicsContext;
36}
37
38SkCanvas* android_gc2canvas(GraphicsContext* gc);
39
40namespace android {
41
42class CachedFrame;
43class CachedNode;
44class CachedRoot;
45class WebViewCore;
46
47// Data and methods for cursor rings
48
49// used to inflate node cache entry
50#define CURSOR_RING_HIT_TEST_RADIUS 5
51
52// used to inval rectangle enclosing pressed state of ring
53#define CURSOR_RING_OUTER_DIAMETER SkFixedToScalar(SkIntToFixed(13)>>2) // 13/4 == 3.25
54
55class CursorRing : public DrawExtra {
56public:
57    enum Flavor {
58        NORMAL_FLAVOR,
59        FAKE_FLAVOR,
60        NORMAL_ANIMATING,
61        FAKE_ANIMATING,
62        ANIMATING_COUNT = 2
63    };
64
65    CursorRing(WebViewCore* core) : m_viewImpl(core) {}
66    virtual ~CursorRing() {}
67    virtual void draw(SkCanvas* , LayerAndroid* );
68    bool setup();
69private:
70    friend class WebView;
71    WebViewCore* m_viewImpl; // copy for convenience
72    WTF::Vector<IntRect> m_rings;
73    IntRect m_bounds;
74    const CachedRoot* m_root;
75    const CachedFrame* m_frame;
76    const CachedNode* m_node;
77    Flavor m_flavor;
78    bool m_followedLink;
79    bool m_isButton;
80};
81
82}
83
84#endif
85