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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 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
| (...skipping 22 matching lines...) Expand all Loading... |
| 33 | 33 |
| 34 #include "core/fileapi/FileError.h" | 34 #include "core/fileapi/FileError.h" |
| 35 #include "modules/filesystem/EntriesCallback.h" | 35 #include "modules/filesystem/EntriesCallback.h" |
| 36 #include "modules/filesystem/Entry.h" | 36 #include "modules/filesystem/Entry.h" |
| 37 #include "modules/filesystem/ErrorCallback.h" | 37 #include "modules/filesystem/ErrorCallback.h" |
| 38 | 38 |
| 39 namespace WebCore { | 39 namespace WebCore { |
| 40 | 40 |
| 41 class DirectoryReader::EntriesCallbackHelper : public EntriesCallback { | 41 class DirectoryReader::EntriesCallbackHelper : public EntriesCallback { |
| 42 public: | 42 public: |
| 43 EntriesCallbackHelper(PassRefPtrWillBeRawPtr<DirectoryReader> reader) | 43 explicit EntriesCallbackHelper(DirectoryReader* reader) |
| 44 : m_reader(reader) | 44 : m_reader(reader) |
| 45 { | 45 { |
| 46 } | 46 } |
| 47 | 47 |
| 48 virtual void handleEvent(const EntryHeapVector& entries) OVERRIDE | 48 virtual void handleEvent(const EntryHeapVector& entries) OVERRIDE |
| 49 { | 49 { |
| 50 m_reader->addEntries(entries); | 50 m_reader->addEntries(entries); |
| 51 } | 51 } |
| 52 | 52 |
| 53 private: | 53 private: |
| 54 // FIXME: This RefPtr keeps the reader alive until all of the readDirectory
results are received. crbug.com/350285 | 54 // FIXME: This Persistent keeps the reader alive until all of the readDirect
ory results are received. crbug.com/350285 |
| 55 RefPtrWillBePersistent<DirectoryReader> m_reader; | 55 Persistent<DirectoryReader> m_reader; |
| 56 }; | 56 }; |
| 57 | 57 |
| 58 class DirectoryReader::ErrorCallbackHelper : public ErrorCallback { | 58 class DirectoryReader::ErrorCallbackHelper : public ErrorCallback { |
| 59 public: | 59 public: |
| 60 ErrorCallbackHelper(PassRefPtrWillBeRawPtr<DirectoryReader> reader) | 60 explicit ErrorCallbackHelper(DirectoryReader* reader) |
| 61 : m_reader(reader) | 61 : m_reader(reader) |
| 62 { | 62 { |
| 63 } | 63 } |
| 64 | 64 |
| 65 virtual void handleEvent(FileError* error) OVERRIDE | 65 virtual void handleEvent(FileError* error) OVERRIDE |
| 66 { | 66 { |
| 67 m_reader->onError(error); | 67 m_reader->onError(error); |
| 68 } | 68 } |
| 69 | 69 |
| 70 private: | 70 private: |
| 71 RefPtrWillBePersistent<DirectoryReader> m_reader; | 71 Persistent<DirectoryReader> m_reader; |
| 72 }; | 72 }; |
| 73 | 73 |
| 74 DirectoryReader::DirectoryReader(PassRefPtrWillBeRawPtr<DOMFileSystemBase> fileS
ystem, const String& fullPath) | 74 DirectoryReader::DirectoryReader(DOMFileSystemBase* fileSystem, const String& fu
llPath) |
| 75 : DirectoryReaderBase(fileSystem, fullPath) | 75 : DirectoryReaderBase(fileSystem, fullPath) |
| 76 , m_isReading(false) | 76 , m_isReading(false) |
| 77 { | 77 { |
| 78 ScriptWrappable::init(this); | 78 ScriptWrappable::init(this); |
| 79 } | 79 } |
| 80 | 80 |
| 81 DirectoryReader::~DirectoryReader() | 81 DirectoryReader::~DirectoryReader() |
| 82 { | 82 { |
| 83 } | 83 } |
| 84 | 84 |
| 85 void DirectoryReader::readEntries(PassOwnPtr<EntriesCallback> entriesCallback, P
assOwnPtr<ErrorCallback> errorCallback) | 85 void DirectoryReader::readEntries(PassOwnPtr<EntriesCallback> entriesCallback, P
assOwnPtr<ErrorCallback> errorCallback) |
| 86 { | 86 { |
| 87 if (!m_isReading) { | 87 if (!m_isReading) { |
| 88 m_isReading = true; | 88 m_isReading = true; |
| 89 filesystem()->readDirectory(this, m_fullPath, adoptPtr(new EntriesCallba
ckHelper(this)), adoptPtr(new ErrorCallbackHelper(this))); | 89 filesystem()->readDirectory(this, m_fullPath, adoptPtr(new EntriesCallba
ckHelper(this)), adoptPtr(new ErrorCallbackHelper(this))); |
| 90 } | 90 } |
| 91 | 91 |
| 92 if (m_error) { | 92 if (m_error) { |
| 93 filesystem()->scheduleCallback(errorCallback, m_error.get()); | 93 filesystem()->scheduleCallback(errorCallback, PassRefPtrWillBeRawPtr<Fil
eError>(m_error.get())); |
| 94 return; | 94 return; |
| 95 } | 95 } |
| 96 | 96 |
| 97 if (m_entriesCallback) { | 97 if (m_entriesCallback) { |
| 98 // Non-null m_entriesCallback means multiple readEntries() calls are mad
e concurrently. We don't allow doing it. | 98 // Non-null m_entriesCallback means multiple readEntries() calls are mad
e concurrently. We don't allow doing it. |
| 99 filesystem()->scheduleCallback(errorCallback, FileError::create(FileErro
r::INVALID_STATE_ERR)); | 99 filesystem()->scheduleCallback(errorCallback, FileError::create(FileErro
r::INVALID_STATE_ERR)); |
| 100 return; | 100 return; |
| 101 } | 101 } |
| 102 | 102 |
| 103 if (!m_hasMoreEntries || !m_entries.isEmpty()) { | 103 if (!m_hasMoreEntries || !m_entries.isEmpty()) { |
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| 133 } | 133 } |
| 134 | 134 |
| 135 void DirectoryReader::trace(Visitor* visitor) | 135 void DirectoryReader::trace(Visitor* visitor) |
| 136 { | 136 { |
| 137 visitor->trace(m_entries); | 137 visitor->trace(m_entries); |
| 138 visitor->trace(m_error); | 138 visitor->trace(m_error); |
| 139 DirectoryReaderBase::trace(visitor); | 139 DirectoryReaderBase::trace(visitor); |
| 140 } | 140 } |
| 141 | 141 |
| 142 } | 142 } |
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