1 /* 2 * Copyright (C) 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 WebHelperPluginImpl_h 32 #define WebHelperPluginImpl_h 33 34 #include "WebHelperPlugin.h" 35 #include "wtf/OwnPtr.h" 36 #include "wtf/RefCounted.h" 37 38 namespace WebCore { 39 class Page; 40 } 41 42 namespace blink { 43 44 class HelperPluginChromeClient; 45 class HelperPluginFrameClient; 46 class WebDocument; 47 class WebFrameImpl; 48 class WebViewImpl; 49 class WebWidgetClient; 50 51 // Hosts a simple page that instantiates a plugin using an <object> tag. 52 // The widget is offscreen, and the plugin will not receive painting, resize, etc. events. 53 class WebHelperPluginImpl : public WebHelperPlugin, 54 public RefCounted<WebHelperPluginImpl> { 55 WTF_MAKE_NONCOPYABLE(WebHelperPluginImpl); 56 WTF_MAKE_FAST_ALLOCATED; 57 58 public: 59 virtual ~WebHelperPluginImpl(); 60 bool initialize(const String& pluginType, const WebDocument& hostDocument, WebViewImpl*); 61 void closeHelperPlugin(); 62 63 // WebHelperPlugin methods: 64 virtual void initializeFrame(WebFrameClient*) OVERRIDE; 65 virtual WebPlugin* getPlugin() OVERRIDE; 66 67 private: 68 explicit WebHelperPluginImpl(WebWidgetClient*); 69 bool initializePage(const String& pluginType, const WebDocument& hostDocument); 70 void destroyPage(); 71 72 // WebWidget methods: 73 virtual void layout() OVERRIDE; 74 virtual void setFocus(bool) OVERRIDE; 75 virtual void close() OVERRIDE; 76 virtual bool isHelperPlugin() const OVERRIDE { return true; } 77 78 WebWidgetClient* m_widgetClient; 79 WebViewImpl* m_webView; 80 WebFrameImpl* m_mainFrame; 81 OwnPtr<WebCore::Page> m_page; 82 OwnPtr<HelperPluginChromeClient> m_chromeClient; 83 OwnPtr<HelperPluginFrameClient> m_frameClient; 84 85 friend class WebHelperPlugin; 86 friend class HelperPluginChromeClient; 87 }; 88 89 inline WebHelperPluginImpl* toWebHelperPluginImpl(WebWidget* widget) 90 { 91 ASSERT_WITH_SECURITY_IMPLICATION(!widget || widget->isHelperPlugin()); 92 return static_cast<WebHelperPluginImpl*>(widget); 93 } 94 95 } // namespace blink 96 97 #endif // WebHelperPluginImpl_h 98
