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      1 /*
      2  * Copyright (C) 2011 Google 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  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef TestPlugin_h
     27 #define TestPlugin_h
     28 
     29 #include "public/platform/WebExternalTextureLayer.h"
     30 #include "public/platform/WebExternalTextureLayerClient.h"
     31 #include "public/platform/WebExternalTextureMailbox.h"
     32 #include "public/web/WebPlugin.h"
     33 #include "public/web/WebPluginContainer.h"
     34 #include <memory>
     35 #include <string>
     36 
     37 namespace WebTestRunner {
     38 
     39 class WebTestDelegate;
     40 
     41 // A fake implemention of WebKit::WebPlugin for testing purposes.
     42 //
     43 // It uses WebGraphicsContext3D to paint a scene consisiting of a primitive
     44 // over a background. The primitive and background can be customized using
     45 // the following plugin parameters:
     46 // primitive: none (default), triangle.
     47 // background-color: black (default), red, green, blue.
     48 // primitive-color: black (default), red, green, blue.
     49 // opacity: [0.0 - 1.0]. Default is 1.0.
     50 //
     51 // Whether the plugin accepts touch events or not can be customized using the
     52 // 'accepts-touch' plugin parameter (defaults to false).
     53 class TestPlugin : public WebKit::WebPlugin, public WebKit::WebExternalTextureLayerClient {
     54 public:
     55     static TestPlugin* create(WebKit::WebFrame*, const WebKit::WebPluginParams&, WebTestDelegate*);
     56     virtual ~TestPlugin();
     57 
     58     static const WebKit::WebString& mimeType();
     59 
     60     // WebPlugin methods:
     61     virtual bool initialize(WebKit::WebPluginContainer*);
     62     virtual void destroy();
     63     virtual NPObject* scriptableObject() { return 0; }
     64     virtual bool canProcessDrag() const { return m_canProcessDrag; }
     65     virtual void paint(WebKit::WebCanvas*, const WebKit::WebRect&) { }
     66     virtual void updateGeometry(const WebKit::WebRect& frameRect, const WebKit::WebRect& clipRect, const WebKit::WebVector<WebKit::WebRect>& cutOutsRects, bool isVisible);
     67     virtual void updateFocus(bool) { }
     68     virtual void updateVisibility(bool) { }
     69     virtual bool acceptsInputEvents() { return true; }
     70     virtual bool handleInputEvent(const WebKit::WebInputEvent&, WebKit::WebCursorInfo&);
     71     virtual bool handleDragStatusUpdate(WebKit::WebDragStatus, const WebKit::WebDragData&, WebKit::WebDragOperationsMask, const WebKit::WebPoint& position, const WebKit::WebPoint& screenPosition);
     72     virtual void didReceiveResponse(const WebKit::WebURLResponse&) { }
     73     virtual void didReceiveData(const char* data, int dataLength) { }
     74     virtual void didFinishLoading() { }
     75     virtual void didFailLoading(const WebKit::WebURLError&) { }
     76     virtual void didFinishLoadingFrameRequest(const WebKit::WebURL&, void* notifyData) { }
     77     virtual void didFailLoadingFrameRequest(const WebKit::WebURL&, void* notifyData, const WebKit::WebURLError&) { }
     78     virtual bool isPlaceholder() { return false; }
     79 
     80     // WebExternalTextureLayerClient methods:
     81     virtual WebKit::WebGraphicsContext3D* context() { return 0; }
     82     virtual bool prepareMailbox(WebKit::WebExternalTextureMailbox*, WebKit::WebExternalBitmap*);
     83     virtual void mailboxReleased(const WebKit::WebExternalTextureMailbox&);
     84 
     85 private:
     86     TestPlugin(WebKit::WebFrame*, const WebKit::WebPluginParams&, WebTestDelegate*);
     87 
     88     enum Primitive {
     89         PrimitiveNone,
     90         PrimitiveTriangle
     91     };
     92 
     93     struct Scene {
     94         Primitive primitive;
     95         unsigned backgroundColor[3];
     96         unsigned primitiveColor[3];
     97         float opacity;
     98 
     99         unsigned vbo;
    100         unsigned program;
    101         int colorLocation;
    102         int positionLocation;
    103 
    104         Scene()
    105             : primitive(PrimitiveNone)
    106             , opacity(1.0f) // Fully opaque.
    107             , vbo(0)
    108             , program(0)
    109             , colorLocation(-1)
    110             , positionLocation(-1)
    111         {
    112             backgroundColor[0] = backgroundColor[1] = backgroundColor[2] = 0;
    113             primitiveColor[0] = primitiveColor[1] = primitiveColor[2] = 0;
    114         }
    115     };
    116 
    117     // Functions for parsing plugin parameters.
    118     Primitive parsePrimitive(const WebKit::WebString&);
    119     void parseColor(const WebKit::WebString&, unsigned color[3]);
    120     float parseOpacity(const WebKit::WebString&);
    121     bool parseBoolean(const WebKit::WebString&);
    122 
    123     // Functions for loading and drawing scene.
    124     bool initScene();
    125     void drawScene();
    126     void destroyScene();
    127     bool initProgram();
    128     bool initPrimitive();
    129     void drawPrimitive();
    130     unsigned loadShader(unsigned type, const std::string& source);
    131     unsigned loadProgram(const std::string& vertexSource, const std::string& fragmentSource);
    132 
    133     WebKit::WebFrame* m_frame;
    134     WebTestDelegate* m_delegate;
    135     WebKit::WebPluginContainer* m_container;
    136 
    137     WebKit::WebRect m_rect;
    138     WebKit::WebGraphicsContext3D* m_context;
    139     unsigned m_colorTexture;
    140     WebKit::WebExternalTextureMailbox m_mailbox;
    141     bool m_mailboxChanged;
    142     unsigned m_framebuffer;
    143     Scene m_scene;
    144     std::auto_ptr<WebKit::WebExternalTextureLayer> m_layer;
    145 
    146     WebKit::WebPluginContainer::TouchEventRequestType m_touchEventRequest;
    147     // Requests touch events from the WebPluginContainerImpl multiple times to tickle webkit.org/b/108381
    148     bool m_reRequestTouchEvents;
    149     bool m_printEventDetails;
    150     bool m_printUserGestureStatus;
    151     bool m_canProcessDrag;
    152 };
    153 
    154 }
    155 
    156 #endif // TestPlugin_h
    157