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| 1 /* | |
| 2 * Copyright (C) 2009, 2012 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 WebPlugin_h | |
| 32 #define WebPlugin_h | |
| 33 | |
| 34 #include "../platform/WebCanvas.h" | |
| 35 #include "../platform/WebString.h" | |
| 36 #include "../platform/WebURL.h" | |
| 37 #include "WebDragOperation.h" | |
| 38 #include "WebDragStatus.h" | |
| 39 | |
| 40 struct NPObject; | |
| 41 struct _NPP; | |
| 42 | |
| 43 namespace WebKit { | |
| 44 | |
| 45 class WebDataSource; | |
| 46 class WebDragData; | |
| 47 class WebFrame; | |
| 48 class WebInputEvent; | |
| 49 class WebPluginContainer; | |
| 50 class WebURLResponse; | |
| 51 struct WebCursorInfo; | |
| 52 struct WebPluginParams; | |
| 53 struct WebPrintParams; | |
| 54 struct WebPoint; | |
| 55 struct WebRect; | |
| 56 struct WebURLError; | |
| 57 template <typename T> class WebVector; | |
| 58 | |
| 59 class WebPlugin { | |
| 60 public: | |
| 61 virtual bool initialize(WebPluginContainer*) = 0; | |
| 62 virtual void destroy() = 0; | |
| 63 | |
| 64 virtual WebPluginContainer* container() const { return 0; } | |
| 65 | |
| 66 virtual NPObject* scriptableObject() = 0; | |
| 67 virtual struct _NPP* pluginNPP() { return 0; } | |
| 68 | |
| 69 // Returns true if the form submission value is successfully obtained | |
| 70 // from the plugin. The value would be associated with the name attribute | |
| 71 // of the corresponding object element. | |
| 72 virtual bool getFormValue(WebString&) { return false; } | |
| 73 virtual bool supportsKeyboardFocus() const { return false; } | |
| 74 virtual bool supportsEditCommands() const { return false; } | |
| 75 | |
| 76 virtual bool canProcessDrag() const { return false; } | |
| 77 | |
| 78 virtual void paint(WebCanvas*, const WebRect&) = 0; | |
| 79 | |
| 80 // Coordinates are relative to the containing window. | |
| 81 virtual void updateGeometry( | |
| 82 const WebRect& frameRect, const WebRect& clipRect, | |
| 83 const WebVector<WebRect>& cutOutsRects, bool isVisible) = 0; | |
| 84 | |
| 85 virtual void updateFocus(bool) = 0; | |
| 86 virtual void updateVisibility(bool) = 0; | |
| 87 | |
| 88 virtual bool acceptsInputEvents() = 0; | |
| 89 virtual bool handleInputEvent(const WebInputEvent&, WebCursorInfo&) = 0; | |
| 90 | |
| 91 virtual bool handleDragStatusUpdate(WebDragStatus, const WebDragData&, WebDr
agOperationsMask, const WebPoint& position, const WebPoint& screenPosition) { re
turn false; } | |
| 92 | |
| 93 virtual void didReceiveResponse(const WebURLResponse&) = 0; | |
| 94 virtual void didReceiveData(const char* data, int dataLength) = 0; | |
| 95 virtual void didFinishLoading() = 0; | |
| 96 virtual void didFailLoading(const WebURLError&) = 0; | |
| 97 | |
| 98 // Called in response to WebPluginContainer::loadFrameRequest | |
| 99 virtual void didFinishLoadingFrameRequest( | |
| 100 const WebURL&, void* notifyData) = 0; | |
| 101 virtual void didFailLoadingFrameRequest( | |
| 102 const WebURL&, void* notifyData, const WebURLError&) = 0; | |
| 103 | |
| 104 // Printing interface. | |
| 105 // Whether the plugin supports its own paginated print. The other print | |
| 106 // interface methods are called only if this method returns true. | |
| 107 virtual bool supportsPaginatedPrint() { return false; } | |
| 108 // Returns true if the printed content should not be scaled to | |
| 109 // the printer's printable area. | |
| 110 virtual bool isPrintScalingDisabled() { return false; } | |
| 111 | |
| 112 // Sets up printing with the specified printParams. Returns the number of | |
| 113 // pages to be printed at these settings. | |
| 114 virtual int printBegin(const WebPrintParams& printParams) { return 0; } | |
| 115 | |
| 116 // Prints the page specified by pageNumber (0-based index) into the supplied
canvas. | |
| 117 virtual bool printPage(int pageNumber, WebCanvas* canvas) { return false; } | |
| 118 // Ends the print operation. | |
| 119 virtual void printEnd() { } | |
| 120 | |
| 121 virtual bool hasSelection() const { return false; } | |
| 122 virtual WebString selectionAsText() const { return WebString(); } | |
| 123 virtual WebString selectionAsMarkup() const { return WebString(); } | |
| 124 | |
| 125 virtual bool executeEditCommand(const WebString& name) { return false; } | |
| 126 virtual bool executeEditCommand(const WebString& name, const WebString& valu
e) { return false; } | |
| 127 | |
| 128 // If the given position is over a link, returns the absolute url. | |
| 129 // Otherwise an empty url is returned. | |
| 130 virtual WebURL linkAtPosition(const WebPoint& position) const { return WebUR
L(); } | |
| 131 | |
| 132 // Used for zooming of full page plugins. | |
| 133 virtual void setZoomLevel(double level, bool textOnly) { } | |
| 134 | |
| 135 // Find interface. | |
| 136 // Start a new search. The plugin should search for a little bit at a time
so that it | |
| 137 // doesn't block the thread in case of a large document. The results, along
with the | |
| 138 // find's identifier, should be sent asynchronously to WebFrameClient's repo
rtFindInPage* methods. | |
| 139 // Returns true if the search started, or false if the plugin doesn't suppor
t search. | |
| 140 virtual bool startFind(const WebString& searchText, bool caseSensitive, int
identifier) { return false; } | |
| 141 // Tells the plugin to jump forward or backward in the list of find results. | |
| 142 virtual void selectFindResult(bool forward) { } | |
| 143 // Tells the plugin that the user has stopped the find operation. | |
| 144 virtual void stopFind() { } | |
| 145 | |
| 146 // View rotation types. | |
| 147 enum RotationType { | |
| 148 RotationType90Clockwise, | |
| 149 RotationType90Counterclockwise | |
| 150 }; | |
| 151 // Whether the plugin can rotate the view of its content. | |
| 152 virtual bool canRotateView() { return false; } | |
| 153 // Rotates the plugin's view of its content. | |
| 154 virtual void rotateView(RotationType type) { } | |
| 155 | |
| 156 virtual bool isPlaceholder() { return true; } | |
| 157 | |
| 158 protected: | |
| 159 ~WebPlugin() { } | |
| 160 }; | |
| 161 | |
| 162 } // namespace WebKit | |
| 163 | |
| 164 #endif | |
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