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)47 PassRefPtr<NetscapePlugInStreamLoader> NetscapePlugInStreamLoader::create(Frame* frame, NetscapePlugInStreamLoaderClient* client)
48 {
49 return adoptRef(new NetscapePlugInStreamLoader(frame, client));
50 }
51
isDone() const52 bool NetscapePlugInStreamLoader::isDone() const
53 {
54 return !m_client;
55 }
56
releaseResources()57 void NetscapePlugInStreamLoader::releaseResources()
58 {
59 m_client = 0;
60 ResourceLoader::releaseResources();
61 }
62
didReceiveResponse(const ResourceResponse & response)63 void NetscapePlugInStreamLoader::didReceiveResponse(const ResourceResponse& response)
64 {
65 RefPtr<NetscapePlugInStreamLoader> protect(this);
66
67 m_client->didReceiveResponse(this, response);
68
69 // Don't continue if the stream is cancelled
70 if (!m_client)
71 return;
72
73 ResourceLoader::didReceiveResponse(response);
74
75 // Don't continue if the stream is cancelled
76 if (!m_client)
77 return;
78
79 if (!response.isHTTP())
80 return;
81
82 if (m_client->wantsAllStreams())
83 return;
84
85 if (response.httpStatusCode() < 100 || response.httpStatusCode() >= 400)
86 didCancel(frameLoader()->fileDoesNotExistError(response));
87 }
88
didReceiveData(const char * data,int length,long long lengthReceived,bool allAtOnce)89 void NetscapePlugInStreamLoader::didReceiveData(const char* data, int length, long long lengthReceived, bool allAtOnce)
90 {
91 RefPtr<NetscapePlugInStreamLoader> protect(this);
92
93 m_client->didReceiveData(this, data, length);
94
95 ResourceLoader::didReceiveData(data, length, lengthReceived, allAtOnce);
96 }
97
didFinishLoading()98 void NetscapePlugInStreamLoader::didFinishLoading()
99 {
100 RefPtr<NetscapePlugInStreamLoader> protect(this);
101
102 m_documentLoader->removePlugInStreamLoader(this);
103 m_client->didFinishLoading(this);
104 ResourceLoader::didFinishLoading();
105 }
106
didFail(const ResourceError & error)107 void NetscapePlugInStreamLoader::didFail(const ResourceError& error)
108 {
109 RefPtr<NetscapePlugInStreamLoader> protect(this);
110
111 m_documentLoader->removePlugInStreamLoader(this);
112 m_client->didFail(this, error);
113 ResourceLoader::didFail(error);
114 }
115
didCancel(const ResourceError & error)116 void NetscapePlugInStreamLoader::didCancel(const ResourceError& error)
117 {
118 RefPtr<NetscapePlugInStreamLoader> protect(this);
119
120 m_client->didFail(this, error);
121
122 // If calling didFail spins the run loop the stream loader can reach the terminal state.
123 // If that's the case we just return early.
124 if (reachedTerminalState())
125 return;
126
127 // We need to remove the stream loader after the call to didFail, since didFail can
128 // spawn a new run loop and if the loader has been removed it won't be deferred when
129 // the document loader is asked to defer loading.
130 m_documentLoader->removePlugInStreamLoader(this);
131
132 ResourceLoader::didCancel(error);
133 }
134
135 }
136