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1 // Copyright (c) 2010 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/pepper_file_system.h" | |
6 | |
7 #include "base/ref_counted.h" | |
8 #include "ppapi/c/dev/ppb_file_system_dev.h" | |
9 #include "ppapi/c/pp_completion_callback.h" | |
10 #include "third_party/WebKit/WebKit/chromium/public/WebDocument.h" | |
11 #include "third_party/WebKit/WebKit/chromium/public/WebElement.h" | |
12 #include "third_party/WebKit/WebKit/chromium/public/WebFrame.h" | |
13 #include "third_party/WebKit/WebKit/chromium/public/WebPluginContainer.h" | |
14 #include "webkit/fileapi/file_system_types.h" | |
15 #include "webkit/glue/plugins/pepper_directory_reader.h" | |
16 #include "webkit/glue/plugins/pepper_file_callbacks.h" | |
17 #include "webkit/glue/plugins/pepper_plugin_delegate.h" | |
18 #include "webkit/glue/plugins/pepper_plugin_instance.h" | |
19 #include "webkit/glue/plugins/pepper_plugin_module.h" | |
20 #include "webkit/glue/plugins/pepper_resource.h" | |
21 #include "webkit/glue/plugins/pepper_resource_tracker.h" | |
22 | |
23 namespace pepper { | |
24 | |
25 namespace { | |
26 | |
27 PP_Resource Create(PP_Instance instance, PP_FileSystemType_Dev type) { | |
28 PluginInstance* plugin_instance = | |
29 ResourceTracker::Get()->GetInstance(instance); | |
30 if (!plugin_instance) | |
31 return 0; | |
32 | |
33 FileSystem* file_system = new FileSystem(plugin_instance, type); | |
34 return file_system->GetReference(); | |
35 } | |
36 | |
37 int32_t Open(PP_Resource file_system_id, | |
38 int64 expected_size, | |
39 PP_CompletionCallback callback) { | |
40 scoped_refptr<FileSystem> file_system( | |
41 Resource::GetAs<FileSystem>(file_system_id)); | |
42 if (!file_system) | |
43 return PP_ERROR_BADRESOURCE; | |
44 | |
45 if (file_system->opened()) | |
46 return PP_OK; | |
47 | |
48 if ((file_system->type() != PP_FILESYSTEMTYPE_LOCALPERSISTENT) && | |
49 (file_system->type() != PP_FILESYSTEMTYPE_LOCALTEMPORARY)) | |
50 return PP_ERROR_FAILED; | |
51 | |
52 PluginInstance* instance = file_system->instance(); | |
53 fileapi::FileSystemType file_system_type = | |
54 (file_system->type() == PP_FILESYSTEMTYPE_LOCALTEMPORARY ? | |
55 fileapi::kFileSystemTypeTemporary : | |
56 fileapi::kFileSystemTypePersistent); | |
57 if (!instance->delegate()->OpenFileSystem( | |
58 instance->container()->element().document().frame()->url(), | |
59 file_system_type, expected_size, | |
60 new FileCallbacks(instance->module()->AsWeakPtr(), | |
61 callback, NULL, file_system, NULL))) | |
62 return PP_ERROR_FAILED; | |
63 | |
64 return PP_ERROR_WOULDBLOCK; | |
65 } | |
66 | |
67 const PPB_FileSystem_Dev ppb_filesystem = { | |
68 &Create, | |
69 &Open | |
70 }; | |
71 | |
72 } // namespace | |
73 | |
74 FileSystem::FileSystem(PluginInstance* instance, PP_FileSystemType_Dev type) | |
75 : Resource(instance->module()), | |
76 instance_(instance), | |
77 type_(type), | |
78 opened_(false) { | |
79 } | |
80 | |
81 FileSystem* FileSystem::AsFileSystem() { | |
82 return this; | |
83 } | |
84 | |
85 const PPB_FileSystem_Dev* FileSystem::GetInterface() { | |
86 return &ppb_filesystem; | |
87 } | |
88 | |
89 } // namespace pepper | |
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