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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef WEBKIT_PLUGINS_NPAPI_WEBVIEW_PLUGIN_H_ | |
| 6 #define WEBKIT_PLUGINS_NPAPI_WEBVIEW_PLUGIN_H_ | |
| 7 | |
| 8 #include <list> | |
| 9 | |
| 10 #include "base/memory/scoped_ptr.h" | |
| 11 #include "base/task.h" | |
| 12 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCursorInfo.h" | |
| 13 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrameClient.h" | |
| 14 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPlugin.h" | |
| 15 #include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h" | |
| 16 #include "third_party/WebKit/Source/WebKit/chromium/public/WebTextDirection.h" | |
| 17 #include "third_party/WebKit/Source/WebKit/chromium/public/WebURLResponse.h" | |
| 18 #include "third_party/WebKit/Source/WebKit/chromium/public/WebViewClient.h" | |
| 19 | |
| 20 namespace WebKit { | |
| 21 class WebMouseEvent; | |
| 22 } | |
| 23 struct WebPreferences; | |
| 24 | |
| 25 namespace webkit { | |
| 26 namespace npapi { | |
| 27 | |
| 28 // This class implements the WebPlugin interface by forwarding drawing and | |
| 29 // handling input events to a WebView. | |
| 30 // It can be used as a placeholder for an actual plugin, using HTML for the UI. | |
| 31 // To show HTML data inside the WebViewPlugin, | |
| 32 // call web_view->mainFrame()->loadHTMLString() with the HTML data and a fake | |
| 33 // chrome:// URL as origin. | |
| 34 | |
| 35 class WebViewPlugin: public WebKit::WebPlugin, public WebKit::WebViewClient, | |
| 36 public WebKit::WebFrameClient { | |
| 37 public: | |
| 38 class Delegate { | |
| 39 public: | |
| 40 // Bind |frame| to a Javascript object, enabling the delegate to receive | |
| 41 // callback methods from Javascript inside the WebFrame. | |
| 42 // This method is called from WebFrameClient::didClearWindowObject. | |
| 43 virtual void BindWebFrame(WebKit::WebFrame* frame) = 0; | |
| 44 | |
| 45 // Called before the WebViewPlugin is destroyed. The delegate should delete | |
| 46 // itself here. | |
| 47 virtual void WillDestroyPlugin() = 0; | |
| 48 | |
| 49 // Called upon a context menu event. | |
| 50 virtual void ShowContextMenu(const WebKit::WebMouseEvent&) = 0; | |
| 51 }; | |
| 52 | |
| 53 explicit WebViewPlugin(Delegate* delegate); | |
| 54 | |
| 55 // Convenience method to set up a new WebViewPlugin using |preferences| | |
| 56 // and displaying |html_data|. |url| should be a (fake) chrome:// URL; it is | |
| 57 // only used for navigation and never actually resolved. | |
| 58 static WebViewPlugin* Create(Delegate* delegate, | |
| 59 const WebPreferences& preferences, | |
| 60 const std::string& html_data, | |
| 61 const GURL& url); | |
| 62 | |
| 63 WebKit::WebView* web_view() { return web_view_; } | |
| 64 | |
| 65 WebKit::WebPluginContainer* container() { return container_; } | |
| 66 | |
| 67 // When loading a plug-in document (i.e. a full page plug-in not embedded in | |
| 68 // another page), we save all data that has been received, and replay it with | |
| 69 // this method on the actual plug-in. | |
| 70 void ReplayReceivedData(WebKit::WebPlugin* plugin); | |
| 71 | |
| 72 void RestoreTitleText(); | |
| 73 | |
| 74 // WebPlugin methods: | |
| 75 virtual bool initialize(WebKit::WebPluginContainer*); | |
| 76 virtual void destroy(); | |
| 77 | |
| 78 virtual NPObject* scriptableObject(); | |
| 79 virtual bool getFormValue(WebKit::WebString* value); | |
| 80 | |
| 81 virtual void paint(WebKit::WebCanvas* canvas, const WebKit::WebRect& rect); | |
| 82 | |
| 83 // Coordinates are relative to the containing window. | |
| 84 virtual void updateGeometry( | |
| 85 const WebKit::WebRect& frame_rect, const WebKit::WebRect& clip_rect, | |
| 86 const WebKit::WebVector<WebKit::WebRect>& cut_out_rects, bool is_visible); | |
| 87 | |
| 88 virtual void updateFocus(bool) {} | |
| 89 virtual void updateVisibility(bool) {} | |
| 90 | |
| 91 virtual bool acceptsInputEvents(); | |
| 92 virtual bool handleInputEvent(const WebKit::WebInputEvent& event, | |
| 93 WebKit::WebCursorInfo& cursor_info); | |
| 94 | |
| 95 virtual void didReceiveResponse(const WebKit::WebURLResponse& response); | |
| 96 virtual void didReceiveData(const char* data, int data_length); | |
| 97 virtual void didFinishLoading(); | |
| 98 virtual void didFailLoading(const WebKit::WebURLError& error); | |
| 99 | |
| 100 // Called in response to WebPluginContainer::loadFrameRequest | |
| 101 virtual void didFinishLoadingFrameRequest( | |
| 102 const WebKit::WebURL& url, void* notifyData) {} | |
| 103 virtual void didFailLoadingFrameRequest(const WebKit::WebURL& url, | |
| 104 void* notify_data, | |
| 105 const WebKit::WebURLError& error) {} | |
| 106 | |
| 107 // WebViewClient methods: | |
| 108 virtual bool acceptsLoadDrops(); | |
| 109 | |
| 110 virtual void setToolTipText(const WebKit::WebString&, | |
| 111 WebKit::WebTextDirection); | |
| 112 | |
| 113 virtual void startDragging(const WebKit::WebDragData& drag_data, | |
| 114 WebKit::WebDragOperationsMask mask, | |
| 115 const WebKit::WebImage& image, | |
| 116 const WebKit::WebPoint& point); | |
| 117 | |
| 118 // WebWidgetClient methods: | |
| 119 virtual void didInvalidateRect(const WebKit::WebRect&); | |
| 120 virtual void didChangeCursor(const WebKit::WebCursorInfo& cursor); | |
| 121 | |
| 122 // WebFrameClient methods: | |
| 123 virtual void didClearWindowObject(WebKit::WebFrame* frame); | |
| 124 | |
| 125 virtual bool canHandleRequest(WebKit::WebFrame* frame, | |
| 126 const WebKit::WebURLRequest& request); | |
| 127 | |
| 128 virtual WebKit::WebURLError cancelledError( | |
| 129 WebKit::WebFrame* frame, const WebKit::WebURLRequest& request); | |
| 130 | |
| 131 // This method is defined in WebPlugin as well as in WebFrameClient, but with | |
| 132 // different parameters. We only care about implementing the WebPlugin | |
| 133 // version, so we implement this method and call the default in WebFrameClient | |
| 134 // (which does nothing) to correctly overload it. | |
| 135 virtual void didReceiveResponse(WebKit::WebFrame* frame, | |
| 136 unsigned identifier, | |
| 137 const WebKit::WebURLResponse& response); | |
| 138 | |
| 139 private: | |
| 140 friend class DeleteTask<WebViewPlugin>; | |
| 141 virtual ~WebViewPlugin(); | |
| 142 | |
| 143 Delegate* delegate_; | |
| 144 WebKit::WebCursorInfo current_cursor_; | |
| 145 WebKit::WebPluginContainer* container_; | |
| 146 WebKit::WebView* web_view_; | |
| 147 gfx::Rect rect_; | |
| 148 | |
| 149 WebKit::WebURLResponse response_; | |
| 150 std::list<std::string> data_; | |
| 151 bool finished_loading_; | |
| 152 scoped_ptr<WebKit::WebURLError> error_; | |
| 153 WebKit::WebString old_title_; | |
| 154 }; | |
| 155 | |
| 156 } // namespace npapi | |
| 157 } // namespace webkit | |
| 158 | |
| 159 #endif // WEBKIT_PLUGINS_NPAPI_WEBVIEW_PLUGIN_H_ | |
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Chromium Code Reviews
Issue 8461011:
Clean up plug-in placeholders: (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src