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Issue 6012002: Move the NPAPI files from webkit/glue/plugins to webkit/plugins/npapi and put... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 10 years ago
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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "webkit/glue/plugins/plugin_stream.h"
6
7 #include "base/logging.h"
8 #include "webkit/glue/plugins/plugin_instance.h"
9
10 namespace NPAPI {
11
12 PluginStream::PluginStream(
13 PluginInstance *instance,
14 const char *url,
15 bool need_notify,
16 void *notify_data)
17 : instance_(instance),
18 notify_needed_(need_notify),
19 notify_data_(notify_data),
20 close_on_write_data_(false),
21 opened_(false),
22 requested_plugin_mode_(NP_NORMAL),
23 temp_file_handle_(INVALID_HANDLE_VALUE),
24 seekable_stream_(false),
25 data_offset_(0) {
26 memset(&stream_, 0, sizeof(stream_));
27 stream_.url = _strdup(url);
28 temp_file_name_[0] = '\0';
29 }
30
31 void PluginStream::UpdateUrl(const char* url) {
32 DCHECK(!opened_);
33 free(const_cast<char*>(stream_.url));
34 stream_.url = _strdup(url);
35 pending_redirect_url_.clear();
36 }
37
38 void PluginStream::WriteAsFile() {
39 if (requested_plugin_mode_ == NP_ASFILE ||
40 requested_plugin_mode_ == NP_ASFILEONLY)
41 instance_->NPP_StreamAsFile(&stream_, temp_file_name_);
42 }
43
44 size_t PluginStream::WriteBytes(const char *buf, size_t length) {
45 DWORD bytes;
46
47 if (!WriteFile(temp_file_handle_, buf, length, &bytes, 0))
48 return 0U;
49
50 return static_cast<size_t>(bytes);
51 }
52
53 bool PluginStream::OpenTempFile() {
54 DCHECK(temp_file_handle_ == INVALID_HANDLE_VALUE);
55
56 // The reason for using all the Ascii versions of these filesystem
57 // calls is that the filename which we pass back to the plugin
58 // via NPAPI is an ascii filename. Otherwise, we'd use wide-chars.
59 //
60 // TODO:
61 // This is a bug in NPAPI itself, and it needs to be fixed.
62 // The case which will fail is if a user has a multibyte name,
63 // but has the system locale set to english. GetTempPathA will
64 // return junk in this case, causing us to be unable to open the
65 // file.
66
67 char temp_directory[MAX_PATH];
68 if (GetTempPathA(MAX_PATH, temp_directory) == 0)
69 return false;
70 if (GetTempFileNameA(temp_directory, "npstream", 0, temp_file_name_) == 0)
71 return false;
72 temp_file_handle_ = CreateFileA(temp_file_name_,
73 FILE_ALL_ACCESS,
74 FILE_SHARE_READ,
75 0,
76 CREATE_ALWAYS,
77 FILE_ATTRIBUTE_NORMAL,
78 0);
79 if (temp_file_handle_ == INVALID_HANDLE_VALUE) {
80 temp_file_name_[0] = '\0';
81 return false;
82 }
83 return true;
84 }
85
86 void PluginStream::CloseTempFile() {
87 if (temp_file_handle_ != INVALID_HANDLE_VALUE) {
88 CloseHandle(temp_file_handle_);
89 temp_file_handle_ = INVALID_HANDLE_VALUE;
90 }
91 }
92
93 bool PluginStream::TempFileIsValid() {
94 return temp_file_handle_ != INVALID_HANDLE_VALUE;
95 }
96
97 } // namespace NPAPI
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