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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/platform/WebNonCopyable.h"
     33 #include "public/testing/WebScopedPtr.h"
     34 #include "public/web/WebPlugin.h"
     35 #include "public/web/WebPluginContainer.h"
     36 #include <string>
     37 
     38 namespace WebTestRunner {
     39 
     40 class WebTestDelegate;
     41 
     42 // A fake implemention of blink::WebPlugin for testing purposes.
     43 //
     44 // It uses WebGraphicsContext3D to paint a scene consisiting of a primitive
     45 // over a background. The primitive and background can be customized using
     46 // the following plugin parameters:
     47 // primitive: none (default), triangle.
     48 // background-color: black (default), red, green, blue.
     49 // primitive-color: black (default), red, green, blue.
     50 // opacity: [0.0 - 1.0]. Default is 1.0.
     51 //
     52 // Whether the plugin accepts touch events or not can be customized using the
     53 // 'accepts-touch' plugin parameter (defaults to false).
     54 class TestPlugin : public blink::WebPlugin, public blink::WebExternalTextureLayerClient, public blink::WebNonCopyable {
     55 public:
     56     static TestPlugin* create(blink::WebFrame*, const blink::WebPluginParams&, WebTestDelegate*);
     57     virtual ~TestPlugin();
     58 
     59     static const blink::WebString& mimeType();
     60 
     61     // WebPlugin methods:
     62     virtual bool initialize(blink::WebPluginContainer*);
     63     virtual void destroy();
     64     virtual NPObject* scriptableObject() { return 0; }
     65     virtual bool canProcessDrag() const { return m_canProcessDrag; }
     66     virtual void paint(blink::WebCanvas*, const blink::WebRect&) { }
     67     virtual void updateGeometry(const blink::WebRect& frameRect, const blink::WebRect& clipRect, const blink::WebVector<blink::WebRect>& cutOutsRects, bool isVisible);
     68     virtual void updateFocus(bool) { }
     69     virtual void updateVisibility(bool) { }
     70     virtual bool acceptsInputEvents() { return true; }
     71     virtual bool handleInputEvent(const blink::WebInputEvent&, blink::WebCursorInfo&);
     72     virtual bool handleDragStatusUpdate(blink::WebDragStatus, const blink::WebDragData&, blink::WebDragOperationsMask, const blink::WebPoint& position, const blink::WebPoint& screenPosition);
     73     virtual void didReceiveResponse(const blink::WebURLResponse&) { }
     74     virtual void didReceiveData(const char* data, int dataLength) { }
     75     virtual void didFinishLoading() { }
     76     virtual void didFailLoading(const blink::WebURLError&) { }
     77     virtual void didFinishLoadingFrameRequest(const blink::WebURL&, void* notifyData) { }
     78     virtual void didFailLoadingFrameRequest(const blink::WebURL&, void* notifyData, const blink::WebURLError&) { }
     79     virtual bool isPlaceholder() { return false; }
     80 
     81     // WebExternalTextureLayerClient methods:
     82     virtual blink::WebGraphicsContext3D* context() { return 0; }
     83     virtual bool prepareMailbox(blink::WebExternalTextureMailbox*, blink::WebExternalBitmap*);
     84     virtual void mailboxReleased(const blink::WebExternalTextureMailbox&);
     85 
     86 private:
     87     TestPlugin(blink::WebFrame*, const blink::WebPluginParams&, WebTestDelegate*);
     88 
     89     enum Primitive {
     90         PrimitiveNone,
     91         PrimitiveTriangle
     92     };
     93 
     94     struct Scene {
     95         Primitive primitive;
     96         unsigned backgroundColor[3];
     97         unsigned primitiveColor[3];
     98         float opacity;
     99 
    100         unsigned vbo;
    101         unsigned program;
    102         int colorLocation;
    103         int positionLocation;
    104 
    105         Scene()
    106             : primitive(PrimitiveNone)
    107             , opacity(1.0f) // Fully opaque.
    108             , vbo(0)
    109             , program(0)
    110             , colorLocation(-1)
    111             , positionLocation(-1)
    112         {
    113             backgroundColor[0] = backgroundColor[1] = backgroundColor[2] = 0;
    114             primitiveColor[0] = primitiveColor[1] = primitiveColor[2] = 0;
    115         }
    116     };
    117 
    118     // Functions for parsing plugin parameters.
    119     Primitive parsePrimitive(const blink::WebString&);
    120     void parseColor(const blink::WebString&, unsigned color[3]);
    121     float parseOpacity(const blink::WebString&);
    122     bool parseBoolean(const blink::WebString&);
    123 
    124     // Functions for loading and drawing scene.
    125     bool initScene();
    126     void drawScene();
    127     void destroyScene();
    128     bool initProgram();
    129     bool initPrimitive();
    130     void drawPrimitive();
    131     unsigned loadShader(unsigned type, const std::string& source);
    132     unsigned loadProgram(const std::string& vertexSource, const std::string& fragmentSource);
    133 
    134     blink::WebFrame* m_frame;
    135     WebTestDelegate* m_delegate;
    136     blink::WebPluginContainer* m_container;
    137 
    138     blink::WebRect m_rect;
    139     blink::WebGraphicsContext3D* m_context;
    140     unsigned m_colorTexture;
    141     blink::WebExternalTextureMailbox m_mailbox;
    142     bool m_mailboxChanged;
    143     unsigned m_framebuffer;
    144     Scene m_scene;
    145     WebScopedPtr<blink::WebExternalTextureLayer> m_layer;
    146 
    147     blink::WebPluginContainer::TouchEventRequestType m_touchEventRequest;
    148     // Requests touch events from the WebPluginContainerImpl multiple times to tickle webkit.org/b/108381
    149     bool m_reRequestTouchEvents;
    150     bool m_printEventDetails;
    151     bool m_printUserGestureStatus;
    152     bool m_canProcessDrag;
    153 };
    154 
    155 }
    156 
    157 #endif // TestPlugin_h
    158