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      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 
     34 namespace WebCore {
     35     class GraphicsContext;
     36     class GLExtras;
     37 }
     38 
     39 SkCanvas* android_gc2canvas(GraphicsContext* gc);
     40 
     41 namespace android {
     42 
     43 class CachedFrame;
     44 class CachedNode;
     45 class CachedRoot;
     46 class WebViewCore;
     47 
     48 // Data and methods for cursor rings
     49 
     50 // used to inflate node cache entry
     51 #define CURSOR_RING_HIT_TEST_RADIUS 5
     52 
     53 class CursorRing : public DrawExtra {
     54 public:
     55     CursorRing(WebViewCore* core) : m_viewImpl(core) {}
     56     virtual ~CursorRing() {}
     57     virtual void draw(SkCanvas* , LayerAndroid* , IntRect* );
     58     void setIsButton(const CachedNode* );
     59     bool setup();
     60     WTF::Vector<IntRect>& rings() { return m_rings; }
     61 private:
     62     friend class WebView;
     63     friend class WebCore::GLExtras;
     64     WebViewCore* m_viewImpl; // copy for convenience
     65     WTF::Vector<IntRect> m_rings;
     66     IntRect m_bounds;
     67     IntRect m_absBounds;
     68     IntRect m_lastBounds;
     69     const CachedRoot* m_root;
     70     const CachedFrame* m_frame;
     71     const CachedNode* m_node;
     72     bool m_isButton;
     73     bool m_isPressed;
     74 };
     75 
     76 }
     77 
     78 #endif
     79