1 /* 2 * Copyright (C) 2010 Apple Inc. All rights reserved. 3 * Copyright (C) 2013 Google Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 21 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 23 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef PluginView_h 27 #define PluginView_h 28 29 #include "core/platform/ScrollTypes.h" 30 #include "core/platform/Widget.h" 31 #include "wtf/text/WTFString.h" 32 33 struct NPObject; 34 35 namespace WebKit { class WebLayer; } 36 37 namespace WebCore { 38 39 class ResourceError; 40 class ResourceResponse; 41 class Scrollbar; 42 43 class PluginView : public Widget { 44 public: 45 virtual bool isPluginView() const { return true; } 46 47 virtual WebKit::WebLayer* platformLayer() const { return 0; } 48 virtual NPObject* scriptableObject() { return 0; } 49 virtual bool getFormValue(String&) { return false; } 50 virtual bool wantsWheelEvents() { return false; } 51 virtual bool supportsKeyboardFocus() const { return false; } 52 virtual bool canProcessDrag() const { return false; } 53 54 virtual void didReceiveResponse(const ResourceResponse&) { } 55 virtual void didReceiveData(const char*, int) { } 56 virtual void didFinishLoading() { } 57 virtual void didFailLoading(const ResourceError&) { } 58 59 protected: 60 PluginView() : Widget() { } 61 }; 62 63 inline PluginView* toPluginView(Widget* widget) 64 { 65 ASSERT(!widget || widget->isPluginView()); 66 return static_cast<PluginView*>(widget); 67 } 68 69 inline const PluginView* toPluginView(const Widget* widget) 70 { 71 ASSERT(!widget || widget->isPluginView()); 72 return static_cast<const PluginView*>(widget); 73 } 74 75 // This will catch anyone doing an unnecessary cast. 76 void toPluginView(const PluginView*); 77 78 } // namespace WebCore 79 80 #endif // PluginView_h 81