1 /*
2 * Copyright (C) 2006 Apple Computer, 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
6 * are met:
7 *
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 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "config.h"
30 #include "NetscapePlugInStreamLoader.h"
31
32 #include "FrameLoader.h"
33 #include "DocumentLoader.h"
34
35 namespace WebCore {
36
NetscapePlugInStreamLoader(Frame * frame,NetscapePlugInStreamLoaderClient * client)37 NetscapePlugInStreamLoader::NetscapePlugInStreamLoader(Frame* frame, NetscapePlugInStreamLoaderClient* client)
38 : ResourceLoader(frame, true, true)
39 , m_client(client)
40 {
41 }
42
~NetscapePlugInStreamLoader()43 NetscapePlugInStreamLoader::~NetscapePlugInStreamLoader()
44 {
45 }
46
create(Frame * frame,NetscapePlugInStreamLoaderClient * client,const ResourceRequest & request)47 PassRefPtr<NetscapePlugInStreamLoader> NetscapePlugInStreamLoader::create(Frame* frame, NetscapePlugInStreamLoaderClient* client, const ResourceRequest& request)
48 {
49 RefPtr<NetscapePlugInStreamLoader> loader(adoptRef(new NetscapePlugInStreamLoader(frame, client)));
50 loader->setShouldBufferData(false);
51 loader->documentLoader()->addPlugInStreamLoader(loader.get());
52 if (!loader->init(request))
53 return 0;
54
55 return loader.release();
56 }
57
isDone() const58 bool NetscapePlugInStreamLoader::isDone() const
59 {
60 return !m_client;
61 }
62
releaseResources()63 void NetscapePlugInStreamLoader::releaseResources()
64 {
65 m_client = 0;
66 ResourceLoader::releaseResources();
67 }
68
didReceiveResponse(const ResourceResponse & response)69 void NetscapePlugInStreamLoader::didReceiveResponse(const ResourceResponse& response)
70 {
71 RefPtr<NetscapePlugInStreamLoader> protect(this);
72
73 m_client->didReceiveResponse(this, response);
74
75 // Don't continue if the stream is cancelled
76 if (!m_client)
77 return;
78
79 ResourceLoader::didReceiveResponse(response);
80
81 // Don't continue if the stream is cancelled
82 if (!m_client)
83 return;
84
85 if (!response.isHTTP())
86 return;
87
88 if (m_client->wantsAllStreams())
89 return;
90
91 if (response.httpStatusCode() < 100 || response.httpStatusCode() >= 400)
92 didCancel(frameLoader()->fileDoesNotExistError(response));
93 }
94
didReceiveData(const char * data,int length,long long encodedDataLength,bool allAtOnce)95 void NetscapePlugInStreamLoader::didReceiveData(const char* data, int length, long long encodedDataLength, bool allAtOnce)
96 {
97 RefPtr<NetscapePlugInStreamLoader> protect(this);
98
99 m_client->didReceiveData(this, data, length);
100
101 ResourceLoader::didReceiveData(data, length, encodedDataLength, allAtOnce);
102 }
103
didFinishLoading(double finishTime)104 void NetscapePlugInStreamLoader::didFinishLoading(double finishTime)
105 {
106 RefPtr<NetscapePlugInStreamLoader> protect(this);
107
108 m_documentLoader->removePlugInStreamLoader(this);
109 m_client->didFinishLoading(this);
110 ResourceLoader::didFinishLoading(finishTime);
111 }
112
didFail(const ResourceError & error)113 void NetscapePlugInStreamLoader::didFail(const ResourceError& error)
114 {
115 RefPtr<NetscapePlugInStreamLoader> protect(this);
116
117 m_documentLoader->removePlugInStreamLoader(this);
118 m_client->didFail(this, error);
119 ResourceLoader::didFail(error);
120 }
121
didCancel(const ResourceError & error)122 void NetscapePlugInStreamLoader::didCancel(const ResourceError& error)
123 {
124 RefPtr<NetscapePlugInStreamLoader> protect(this);
125
126 m_client->didFail(this, error);
127
128 // If calling didFail spins the run loop the stream loader can reach the terminal state.
129 // If that's the case we just return early.
130 if (reachedTerminalState())
131 return;
132
133 // We need to remove the stream loader after the call to didFail, since didFail can
134 // spawn a new run loop and if the loader has been removed it won't be deferred when
135 // the document loader is asked to defer loading.
136 m_documentLoader->removePlugInStreamLoader(this);
137
138 ResourceLoader::didCancel(error);
139 }
140
141 }
142