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1 /* | 1 /* |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 Google Inc. All rights reserved. |
3 * Copyright (C) 2013 Samsung Electronics. All rights reserved. | 3 * Copyright (C) 2013 Samsung Electronics. All rights reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions are | 6 * modification, are permitted provided that the following conditions are |
7 * met: | 7 * met: |
8 * | 8 * |
9 * * Redistributions of source code must retain the above copyright | 9 * * Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 */ | 30 */ |
31 | 31 |
32 #ifndef SyncCallbackHelper_h | 32 #ifndef SyncCallbackHelper_h |
33 #define SyncCallbackHelper_h | 33 #define SyncCallbackHelper_h |
34 | 34 |
35 #include "bindings/v8/ExceptionState.h" | 35 #include "bindings/v8/ExceptionState.h" |
36 #include "core/fileapi/FileError.h" | 36 #include "core/fileapi/FileError.h" |
37 #include "core/html/VoidCallback.h" | 37 #include "core/html/VoidCallback.h" |
38 #include "modules/filesystem/DirectoryEntry.h" | 38 #include "modules/filesystem/DirectoryEntry.h" |
39 #include "modules/filesystem/DirectoryReaderSync.h" | |
40 #include "modules/filesystem/EntriesCallback.h" | 39 #include "modules/filesystem/EntriesCallback.h" |
41 #include "modules/filesystem/EntryCallback.h" | 40 #include "modules/filesystem/EntryCallback.h" |
42 #include "modules/filesystem/EntrySync.h" | 41 #include "modules/filesystem/EntrySync.h" |
43 #include "modules/filesystem/ErrorCallback.h" | 42 #include "modules/filesystem/ErrorCallback.h" |
44 #include "modules/filesystem/FileEntry.h" | 43 #include "modules/filesystem/FileEntry.h" |
45 #include "modules/filesystem/FileSystemCallback.h" | 44 #include "modules/filesystem/FileSystemCallback.h" |
46 #include "modules/filesystem/MetadataCallback.h" | 45 #include "modules/filesystem/MetadataCallback.h" |
47 #include "wtf/PassRefPtr.h" | 46 #include "wtf/PassRefPtr.h" |
48 #include "wtf/RefCounted.h" | 47 #include "wtf/RefCounted.h" |
49 | 48 |
50 namespace WebCore { | 49 namespace WebCore { |
51 | 50 |
52 template <typename ResultType, typename CallbackArg> | 51 template <typename ResultType, typename CallbackArg> |
53 struct HelperResultType { | 52 struct HelperResultType { |
54 typedef PassRefPtr<ResultType> ReturnType; | 53 typedef PassRefPtr<ResultType> ReturnType; |
55 typedef RefPtr<ResultType> StorageType; | 54 typedef RefPtr<ResultType> StorageType; |
56 | 55 |
57 static ReturnType createFromCallbackArg(CallbackArg argument) | 56 static ReturnType createFromCallbackArg(CallbackArg argument) |
58 { | 57 { |
59 return ResultType::create(argument); | 58 return ResultType::create(argument); |
60 } | 59 } |
61 }; | 60 }; |
62 | 61 |
63 template <> | |
64 struct HelperResultType<EntrySyncVector, const EntryVector&> { | |
65 typedef EntrySyncVector ReturnType; | |
66 typedef EntrySyncVector StorageType; | |
67 | |
68 static EntrySyncVector createFromCallbackArg(const EntryVector& entries) | |
69 { | |
70 EntrySyncVector result; | |
71 size_t entryCount = entries.size(); | |
72 result.reserveInitialCapacity(entryCount); | |
73 for (size_t i = 0; i < entryCount; ++i) | |
74 result.uncheckedAppend(EntrySync::create(entries[i].get())); | |
75 return result; | |
76 } | |
77 }; | |
78 | |
79 // A helper template for FileSystemSync implementation. | 62 // A helper template for FileSystemSync implementation. |
80 template <typename SuccessCallback, typename CallbackArg, typename ResultType> | 63 template <typename SuccessCallback, typename CallbackArg, typename ResultType> |
81 class SyncCallbackHelper { | 64 class SyncCallbackHelper { |
82 WTF_MAKE_NONCOPYABLE(SyncCallbackHelper); | 65 WTF_MAKE_NONCOPYABLE(SyncCallbackHelper); |
83 public: | 66 public: |
84 typedef SyncCallbackHelper<SuccessCallback, CallbackArg, ResultType> HelperT
ype; | 67 typedef SyncCallbackHelper<SuccessCallback, CallbackArg, ResultType> HelperT
ype; |
85 typedef HelperResultType<ResultType, CallbackArg> ResultTypeTrait; | 68 typedef HelperResultType<ResultType, CallbackArg> ResultTypeTrait; |
86 typedef typename ResultTypeTrait::StorageType ResultStorageType; | 69 typedef typename ResultTypeTrait::StorageType ResultStorageType; |
87 typedef typename ResultTypeTrait::ReturnType ResultReturnType; | 70 typedef typename ResultTypeTrait::ReturnType ResultReturnType; |
88 | 71 |
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168 }; | 151 }; |
169 | 152 |
170 struct EmptyType : public RefCounted<EmptyType> { | 153 struct EmptyType : public RefCounted<EmptyType> { |
171 static PassRefPtr<EmptyType> create(EmptyType*) | 154 static PassRefPtr<EmptyType> create(EmptyType*) |
172 { | 155 { |
173 return nullptr; | 156 return nullptr; |
174 } | 157 } |
175 }; | 158 }; |
176 | 159 |
177 typedef SyncCallbackHelper<EntryCallback, Entry*, EntrySync> EntrySyncCallbackHe
lper; | 160 typedef SyncCallbackHelper<EntryCallback, Entry*, EntrySync> EntrySyncCallbackHe
lper; |
178 typedef SyncCallbackHelper<EntriesCallback, const EntryVector&, EntrySyncVector>
EntriesSyncCallbackHelper; | |
179 typedef SyncCallbackHelper<MetadataCallback, Metadata*, Metadata> MetadataSyncCa
llbackHelper; | 161 typedef SyncCallbackHelper<MetadataCallback, Metadata*, Metadata> MetadataSyncCa
llbackHelper; |
180 typedef SyncCallbackHelper<VoidCallback, EmptyType*, EmptyType> VoidSyncCallback
Helper; | 162 typedef SyncCallbackHelper<VoidCallback, EmptyType*, EmptyType> VoidSyncCallback
Helper; |
181 typedef SyncCallbackHelper<FileSystemCallback, DOMFileSystem*, DOMFileSystemSync
> FileSystemSyncCallbackHelper; | 163 typedef SyncCallbackHelper<FileSystemCallback, DOMFileSystem*, DOMFileSystemSync
> FileSystemSyncCallbackHelper; |
182 | 164 |
183 } // namespace WebCore | 165 } // namespace WebCore |
184 | 166 |
185 #endif // SyncCallbackHelper_h | 167 #endif // SyncCallbackHelper_h |
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