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 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 <wtf/Forward.h> 36#include <wtf/HashMap.h> 37#include <wtf/Noncopyable.h> 38#include <wtf/Vector.h> 39#include <wtf/text/WTFString.h> 40 41namespace WebCore { 42 43class Document; 44class Frame; 45class FrameLoaderClient; 46class HTMLAppletElement; 47class HTMLFrameOwnerElement; 48class HTMLMediaElement; 49class HTMLPlugInImageElement; 50class IntSize; 51class URL; 52class Widget; 53 54// This is a slight misnomer. It handles the higher level logic of loading both subframes and plugins. 55class SubframeLoader { 56 WTF_MAKE_NONCOPYABLE(SubframeLoader); 57public: 58 explicit SubframeLoader(Frame&); 59 60 void clear(); 61 62 bool requestFrame(HTMLFrameOwnerElement&, const String& url, const AtomicString& frameName, LockHistory = LockHistory::Yes, LockBackForwardList = LockBackForwardList::Yes); 63 bool requestObject(HTMLPlugInImageElement&, const String& url, const AtomicString& frameName, 64 const String& serviceType, const Vector<String>& paramNames, const Vector<String>& paramValues); 65 66 PassRefPtr<Widget> createJavaAppletWidget(const IntSize&, HTMLAppletElement&, const Vector<String>& paramNames, const Vector<String>& paramValues); 67 68 bool allowPlugins(ReasonForCallingAllowPlugins); 69 70 bool containsPlugins() const { return m_containsPlugins; } 71 72 bool resourceWillUsePlugin(const String& url, const String& mimeType, bool shouldPreferPlugInsForImages); 73 74private: 75 bool requestPlugin(HTMLPlugInImageElement&, const URL&, const String& serviceType, const Vector<String>& paramNames, const Vector<String>& paramValues, bool useFallback); 76 Frame* loadOrRedirectSubframe(HTMLFrameOwnerElement&, const URL&, const AtomicString& frameName, LockHistory, LockBackForwardList); 77 Frame* loadSubframe(HTMLFrameOwnerElement&, const URL&, const String& name, const String& referrer); 78 bool loadPlugin(HTMLPlugInImageElement&, const URL&, const String& mimeType, const Vector<String>& paramNames, const Vector<String>& paramValues, bool useFallback); 79 80 bool shouldUsePlugin(const URL&, const String& mimeType, bool shouldPreferPlugInsForImages, bool hasFallback, bool& useFallback); 81 bool pluginIsLoadable(HTMLPlugInImageElement&, const URL&, const String& mimeType); 82 83 Document* document() const; 84 85 bool m_containsPlugins; 86 Frame& m_frame; 87 88 URL completeURL(const String&) const; 89}; 90 91} // namespace WebCore 92 93#endif // SubframeLoader_h 94