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#pragma once
32
33#include "FrameLoaderTypes.h"
34#include <wtf/Forward.h>
35#include <wtf/Noncopyable.h>
36#include <wtf/text/WTFString.h>
37
38namespace WebCore {
39
40class Document;
41class Frame;
42class FrameLoaderClient;
43class HTMLAppletElement;
44class HTMLFrameOwnerElement;
45class HTMLMediaElement;
46class HTMLPlugInImageElement;
47class IntSize;
48class Widget;
49
50// This is a slight misnomer. It handles the higher level logic of loading both subframes and plugins.
51class SubframeLoader {
52 WTF_MAKE_NONCOPYABLE(SubframeLoader); WTF_MAKE_FAST_ALLOCATED;
53public:
54 explicit SubframeLoader(Frame&);
55
56 void clear();
57
58 bool requestFrame(HTMLFrameOwnerElement&, const String& url, const AtomicString& frameName, LockHistory = LockHistory::Yes, LockBackForwardList = LockBackForwardList::Yes);
59 bool requestObject(HTMLPlugInImageElement&, const String& url, const AtomicString& frameName,
60 const String& serviceType, const Vector<String>& paramNames, const Vector<String>& paramValues);
61
62 RefPtr<Widget> createJavaAppletWidget(const IntSize&, HTMLAppletElement&, const Vector<String>& paramNames, const Vector<String>& paramValues);
63
64 WEBCORE_EXPORT bool allowPlugins();
65
66 bool containsPlugins() const { return m_containsPlugins; }
67
68 bool resourceWillUsePlugin(const String& url, const String& mimeType);
69
70private:
71 bool requestPlugin(HTMLPlugInImageElement&, const URL&, const String& serviceType, const Vector<String>& paramNames, const Vector<String>& paramValues, bool useFallback);
72 Frame* loadOrRedirectSubframe(HTMLFrameOwnerElement&, const URL&, const AtomicString& frameName, LockHistory, LockBackForwardList);
73 Frame* loadSubframe(HTMLFrameOwnerElement&, const URL&, const String& name, const String& referrer);
74 bool loadPlugin(HTMLPlugInImageElement&, const URL&, const String& mimeType, const Vector<String>& paramNames, const Vector<String>& paramValues, bool useFallback);
75
76 bool shouldUsePlugin(const URL&, const String& mimeType, bool hasFallback, bool& useFallback);
77 bool pluginIsLoadable(const URL&, const String& mimeType);
78
79 URL completeURL(const String&) const;
80
81 bool shouldConvertInvalidURLsToBlank() const;
82
83 bool m_containsPlugins;
84 Frame& m_frame;
85};
86
87} // namespace WebCore
88