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| 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 #include "../platform/WebCommon.h" | |
| 35 | |
| 36 struct NPObject; | |
| 37 | |
| 38 namespace WebKit { | |
| 39 | |
| 40 class WebElement; | |
| 41 class WebPlugin; | |
| 42 class WebString; | |
| 43 class WebURL; | |
| 44 class WebURLRequest; | |
| 45 class WebLayer; | |
| 46 struct WebPoint; | |
| 47 struct WebRect; | |
| 48 | |
| 49 class WebPluginContainer { | |
| 50 public: | |
| 51 enum TouchEventRequestType { | |
| 52 TouchEventRequestTypeNone, | |
| 53 TouchEventRequestTypeRaw, | |
| 54 TouchEventRequestTypeSynthesizedMouse, | |
| 55 }; | |
| 56 | |
| 57 // Returns the element containing this plugin. | |
| 58 virtual WebElement element() = 0; | |
| 59 | |
| 60 virtual void invalidate() = 0; | |
| 61 virtual void invalidateRect(const WebRect&) = 0; | |
| 62 virtual void scrollRect(int dx, int dy, const WebRect&) = 0; | |
| 63 | |
| 64 // Causes the container to report its current geometry via | |
| 65 // WebPlugin::updateGeometry. | |
| 66 virtual void reportGeometry() = 0; | |
| 67 | |
| 68 // Allow the plugin to pass script objects to the browser. The container | |
| 69 // tracks ownership of script objects in order to allow browser references | |
| 70 // to them to be dropped when clearScriptObjects is called. | |
| 71 virtual void allowScriptObjects() = 0; | |
| 72 | |
| 73 // Drop any references to script objects allocated by the plugin. | |
| 74 // These are objects derived from WebPlugin::scriptableObject. This is | |
| 75 // called when the plugin is being destroyed or if it needs to be | |
| 76 // re-initialized. | |
| 77 virtual void clearScriptObjects() = 0; | |
| 78 | |
| 79 // Returns the scriptable object associated with the DOM element | |
| 80 // containing the plugin. | |
| 81 virtual NPObject* scriptableObjectForElement() = 0; | |
| 82 | |
| 83 // Executes a "javascript:" URL on behalf of the plugin in the context | |
| 84 // of the frame containing the plugin. Returns the result of script | |
| 85 // execution, if any. | |
| 86 virtual WebString executeScriptURL(const WebURL&, bool popupsAllowed) = 0; | |
| 87 | |
| 88 // Loads an URL in the specified frame (or the frame containing this | |
| 89 // plugin if target is empty). If notifyNeeded is true, then upon | |
| 90 // completion, WebPlugin::didFinishLoadingFrameRequest is called if the | |
| 91 // load was successful or WebPlugin::didFailLoadingFrameRequest is | |
| 92 // called if the load failed. The given notifyData is passed along to | |
| 93 // the callback. | |
| 94 virtual void loadFrameRequest( | |
| 95 const WebURLRequest&, const WebString& target, bool notifyNeeded, void*
notifyData) = 0; | |
| 96 | |
| 97 // Notifies that the zoom level has changed. | |
| 98 // Note, this does NOT affect pageScaleFactor or pageZoomFactor | |
| 99 virtual void zoomLevelChanged(double zoomLevel) = 0; | |
| 100 | |
| 101 // Determines whether the given rectangle in this plugin is above all other | |
| 102 // content. The rectangle is in the plugin's coordinate system. | |
| 103 virtual bool isRectTopmost(const WebRect&) = 0; | |
| 104 | |
| 105 // Notifies when the plugin changes the kind of touch-events it accepts. | |
| 106 virtual void requestTouchEventType(TouchEventRequestType) = 0; | |
| 107 | |
| 108 // Notifies when the plugin starts/stops accepting wheel events. Without | |
| 109 // calling the function with true, the container might not always able to | |
| 110 // receive wheel events in some cases (such as when threaded compositing | |
| 111 // is in use but a scroll bar is not in use). | |
| 112 virtual void setWantsWheelEvents(bool) = 0; | |
| 113 | |
| 114 // Converts view's window coordinates to plugin's local coordinates. | |
| 115 virtual WebPoint windowToLocalPoint(const WebPoint&) = 0; | |
| 116 | |
| 117 // Converts plugin's local coordinate to view's window coordinates. | |
| 118 virtual WebPoint localToWindowPoint(const WebPoint&) = 0; | |
| 119 | |
| 120 virtual WebPlugin* plugin() = 0; | |
| 121 virtual void setPlugin(WebPlugin*) = 0; | |
| 122 | |
| 123 virtual float deviceScaleFactor() = 0; | |
| 124 virtual float pageScaleFactor() = 0; | |
| 125 virtual float pageZoomFactor() = 0; | |
| 126 | |
| 127 // Sets the layer representing the plugin for compositing. The | |
| 128 // WebPluginContainer does *not* take ownership. | |
| 129 virtual void setWebLayer(WebLayer*) = 0; | |
| 130 | |
| 131 protected: | |
| 132 ~WebPluginContainer() { } | |
| 133 }; | |
| 134 | |
| 135 } // namespace WebKit | |
| 136 | |
| 137 #endif | |
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