1/* 2 * Copyright (C) 2006, 2007, 2008, 2009, 2011 Apple Inc. All rights reserved. 3 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) 4 * Copyright (C) Research In Motion Limited 2009. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 16 * its contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 26 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#ifndef SubframeLoader_h 32#define SubframeLoader_h 33 34#include "FrameLoaderTypes.h" 35#include "PlatformString.h" 36#include <wtf/Forward.h> 37#include <wtf/HashMap.h> 38#include <wtf/Noncopyable.h> 39#include <wtf/Vector.h> 40 41namespace WebCore { 42 43class Document; 44class Frame; 45class FrameLoaderClient; 46class HTMLAppletElement; 47class HTMLFrameOwnerElement; 48class HTMLPlugInImageElement; 49class IntSize; 50class KURL; 51#if ENABLE(PLUGIN_PROXY_FOR_VIDEO) 52class Node; 53#endif 54class Widget; 55 56// This is a slight misnomer. It handles the higher level logic of loading both subframes and plugins. 57class SubframeLoader { 58 WTF_MAKE_NONCOPYABLE(SubframeLoader); 59public: 60 SubframeLoader(Frame*); 61 62 void clear(); 63 64 bool requestFrame(HTMLFrameOwnerElement*, const String& url, const AtomicString& frameName, bool lockHistory = true, bool lockBackForwardList = true); 65 bool requestObject(HTMLPlugInImageElement*, const String& url, const AtomicString& frameName, 66 const String& serviceType, const Vector<String>& paramNames, const Vector<String>& paramValues); 67 68#if ENABLE(PLUGIN_PROXY_FOR_VIDEO) 69 // FIXME: This should take Element* instead of Node*, or better yet the 70 // specific type of Element which this code depends on. 71 PassRefPtr<Widget> loadMediaPlayerProxyPlugin(Node*, const KURL&, const Vector<String>& paramNames, const Vector<String>& paramValues); 72#endif 73 74 PassRefPtr<Widget> createJavaAppletWidget(const IntSize&, HTMLAppletElement*, const HashMap<String, String>& args); 75 76 bool allowPlugins(ReasonForCallingAllowPlugins); 77 78 bool containsPlugins() const { return m_containsPlugins; } 79 80 bool resourceWillUsePlugin(const String& url, const String& mimeType, bool shouldPreferPlugInsForImages); 81 82private: 83 bool requestPlugin(HTMLPlugInImageElement*, const KURL&, const String& serviceType, const Vector<String>& paramNames, const Vector<String>& paramValues, bool useFallback); 84 Frame* loadOrRedirectSubframe(HTMLFrameOwnerElement*, const KURL&, const AtomicString& frameName, bool lockHistory, bool lockBackForwardList); 85 Frame* loadSubframe(HTMLFrameOwnerElement*, const KURL&, const String& name, const String& referrer); 86 bool loadPlugin(HTMLPlugInImageElement*, const KURL&, const String& mimeType, 87 const Vector<String>& paramNames, const Vector<String>& paramValues, bool useFallback); 88 89 bool shouldUsePlugin(const KURL&, const String& mimeType, bool shouldPreferPlugInsForImages, bool hasFallback, bool& useFallback); 90 91 Document* document() const; 92 93 bool m_containsPlugins; 94 Frame* m_frame; 95 96 KURL completeURL(const String&) const; 97}; 98 99} // namespace WebCore 100 101#endif // SubframeLoader_h 102