1 /* 2 * Copyright (C) 2009 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef WebPluginContainer_h 32 #define WebPluginContainer_h 33 34 struct NPObject; 35 36 namespace WebKit { 37 38 class WebElement; 39 class WebPlugin; 40 class WebString; 41 class WebURL; 42 class WebURLRequest; 43 struct WebRect; 44 45 class WebPluginContainer { 46 public: 47 // Returns the element containing this plugin. 48 virtual WebElement element() = 0; 49 50 virtual void invalidate() = 0; 51 virtual void invalidateRect(const WebRect&) = 0; 52 virtual void scrollRect(int dx, int dy, const WebRect&) = 0; 53 54 // Causes the container to report its current geometry via 55 // WebPlugin::updateGeometry. 56 virtual void reportGeometry() = 0; 57 58 // Sets the id of the texture used for hw-accel compositing. 59 // The default value for id is zero which indicates software rendering. 60 // A non-zero value will trigger hw-accelerated compositing. 61 virtual void setBackingTextureId(unsigned) = 0; 62 // Called when the backing texture is ready to be composited. commitBackingTexture()63 virtual void commitBackingTexture() {} 64 65 // Drop any references to script objects allocated by the plugin. 66 // These are objects derived from WebPlugin::scriptableObject. This is 67 // called when the plugin is being destroyed or if it needs to be 68 // re-initialized. 69 virtual void clearScriptObjects() = 0; 70 71 // Returns the scriptable object associated with the DOM element 72 // containing the plugin. 73 virtual NPObject* scriptableObjectForElement() = 0; 74 75 // Executes a "javascript:" URL on behalf of the plugin in the context 76 // of the frame containing the plugin. Returns the result of script 77 // execution, if any. 78 virtual WebString executeScriptURL(const WebURL&, bool popupsAllowed) = 0; 79 80 // Loads an URL in the specified frame (or the frame containing this 81 // plugin if target is empty). If notifyNeeded is true, then upon 82 // completion, WebPlugin::didFinishLoadingFrameRequest is called if the 83 // load was successful or WebPlugin::didFailLoadingFrameRequest is 84 // called if the load failed. The given notifyData is passed along to 85 // the callback. 86 virtual void loadFrameRequest( 87 const WebURLRequest&, const WebString& target, bool notifyNeeded, void* notifyData) = 0; 88 89 // Notifies that the zoom level has changed. 90 virtual void zoomLevelChanged(double zoomLevel) = 0; 91 92 virtual WebPlugin* plugin() = 0; 93 virtual void setPlugin(WebPlugin*) = 0; 94 95 protected: ~WebPluginContainer()96 ~WebPluginContainer() { } 97 }; 98 99 } // namespace WebKit 100 101 #endif 102