webkit/plugins/ppapi/ppb_file_system_impl.cc - Issue 13726024: Refactor FileSystem

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Issue 13726024: Refactor FileSystem (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 7 years, 8 months ago

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1 // Copyright (c) 2012 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/plugins/ppapi/ppb_file_system_impl.h"

6

7 #include "base/memory/ref_counted.h"

8 #include "ppapi/c/pp_completion_callback.h"

9 #include "ppapi/c/ppb_file_system.h"

10 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"

11 #include "third_party/WebKit/Source/WebKit/chromium/public/WebElement.h"

12 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"

13 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPluginContainer.h"

14 #include "webkit/fileapi/file_system_types.h"

15 #include "webkit/plugins/ppapi/common.h"

16 #include "webkit/plugins/ppapi/file_callbacks.h"

17 #include "webkit/plugins/ppapi/plugin_delegate.h"

18 #include "webkit/plugins/ppapi/plugin_module.h"

19 #include "webkit/plugins/ppapi/ppapi_plugin_instance.h"

20 #include "webkit/plugins/ppapi/resource_helper.h"

21

22 using ppapi::thunk::PPB_FileSystem_API;

23 using ppapi::TrackedCallback;

24

25 namespace webkit {

26 namespace ppapi {

27

28 PPB_FileSystem_Impl::PPB_FileSystem_Impl(PP_Instance instance,

29 PP_FileSystemType type)

30 : Resource(::ppapi::OBJECT_IS_IMPL, instance),

31 type_(type),

32 opened_(false),

33 called_open_(false) {

34 DCHECK(type_ != PP_FILESYSTEMTYPE_INVALID);

35 }

36

37 PPB_FileSystem_Impl::~PPB_FileSystem_Impl() {

38 }

39

40 // static

41 PP_Resource PPB_FileSystem_Impl::Create(PP_Instance instance,

42 PP_FileSystemType type) {

43 if (type != PP_FILESYSTEMTYPE_EXTERNAL &&

44 type != PP_FILESYSTEMTYPE_LOCALPERSISTENT &&

45 type != PP_FILESYSTEMTYPE_LOCALTEMPORARY)

46 return 0;

47 return (new PPB_FileSystem_Impl(instance, type))->GetReference();

48 }

49

50 PPB_FileSystem_API* PPB_FileSystem_Impl::AsPPB_FileSystem_API() {

51 return this;

52 }

53

54 int32_t PPB_FileSystem_Impl::Open(int64_t expected_size,

55 scoped_refptr<TrackedCallback> callback) {

56 // Should not allow multiple opens.

57 if (called_open_)

58 return PP_ERROR_INPROGRESS;

59 called_open_ = true;

60

61 fileapi::FileSystemType file_system_type;

62 switch (type_) {

63 case PP_FILESYSTEMTYPE_LOCALTEMPORARY:

64 file_system_type = fileapi::kFileSystemTypeTemporary;

65 break;

66 case PP_FILESYSTEMTYPE_LOCALPERSISTENT:

67 file_system_type = fileapi::kFileSystemTypePersistent;

68 break;

69 case PP_FILESYSTEMTYPE_EXTERNAL:

70 file_system_type = fileapi::kFileSystemTypeExternal;

71 break;

72 default:

73 return PP_ERROR_FAILED;

74 }

75

76 PluginInstance* plugin_instance = ResourceHelper::GetPluginInstance(this);

77 if (!plugin_instance)

78 return PP_ERROR_FAILED;

79

80 if (!plugin_instance->delegate()->OpenFileSystem(

81 GURL(plugin_instance->container()->element().document().url()).

82 GetOrigin(),

83 file_system_type, expected_size,

84 new FileCallbacks(this, callback, NULL,

85 scoped_refptr<PPB_FileSystem_Impl>(this))))

86 return PP_ERROR_FAILED;

87 return PP_OK_COMPLETIONPENDING;

88 }

89

90 PP_FileSystemType PPB_FileSystem_Impl::GetType() {

91 return type_;

92 }

93

94 } // namespace ppapi

95 } // namespace webkit

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