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-rw-r--r--WebCore/storage/FileSystemCallbacks.h138
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diff --git a/WebCore/storage/FileSystemCallbacks.h b/WebCore/storage/FileSystemCallbacks.h
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-/*
- * Copyright (C) 2010 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FileSystemCallbacks_h
-#define FileSystemCallbacks_h
-
-#if ENABLE(FILE_SYSTEM)
-
-#include "PlatformString.h"
-#include <wtf/PassRefPtr.h>
-#include <wtf/Vector.h>
-
-namespace WebCore {
-
-class DOMFileSystem;
-class ErrorCallback;
-class EntriesCallback;
-class EntryArray;
-class EntryCallback;
-class FileSystemCallback;
-class MetadataCallback;
-class ScriptExecutionContext;
-class VoidCallback;
-
-typedef int ExceptionCode;
-
-// A base class for FileSystem callbacks that bundles successCallback, errorCallback and some closure data for the callbacks.
-class FileSystemCallbacksBase : public Noncopyable {
-public:
- virtual ~FileSystemCallbacksBase();
-
- // For EntryCallbacks and VoidCallbacks.
- virtual void didSucceed();
-
- // For FileSystemCallbacks.
- virtual void didOpenFileSystem(const String& name, const String& rootPath);
-
- // For MetadataCallbacks.
- virtual void didReadMetadata(double modificationTime);
-
- // For EntriesCallbacks. didReadDirectoryEntry is called each time the API reads an entry, and didReadDirectoryDone is called when a chunk of entries have been read (i.e. good time to call back to the application). If hasMore is true there can be more chunks.
- virtual void didReadDirectoryEntry(const String& name, bool isDirectory);
- virtual void didReadDirectoryChunkDone(bool hasMore);
-
- // For ErrorCallback.
- virtual void didFail(ExceptionCode code);
-
-protected:
- FileSystemCallbacksBase(PassRefPtr<ErrorCallback> errorCallback);
- RefPtr<ErrorCallback> m_errorCallback;
-};
-
-// Subclasses ----------------------------------------------------------------
-
-class EntryCallbacks : public FileSystemCallbacksBase {
-public:
- EntryCallbacks(PassRefPtr<EntryCallback>, PassRefPtr<ErrorCallback>, DOMFileSystem*, const String& expectedPath, bool isDirectory);
- virtual void didSucceed();
-
-private:
- RefPtr<EntryCallback> m_successCallback;
- DOMFileSystem* m_fileSystem;
- String m_expectedPath;
- bool m_isDirectory;
-};
-
-class EntriesCallbacks : public FileSystemCallbacksBase {
-public:
- EntriesCallbacks(PassRefPtr<EntriesCallback>, PassRefPtr<ErrorCallback>, DOMFileSystem*, const String& basePath);
- virtual void didReadDirectoryEntry(const String& name, bool isDirectory);
- virtual void didReadDirectoryChunkDone(bool hasMore);
-
-private:
- RefPtr<EntriesCallback> m_successCallback;
- DOMFileSystem* m_fileSystem;
- String m_basePath;
- RefPtr<EntryArray> m_entries;
-};
-
-class FileSystemCallbacks : public FileSystemCallbacksBase {
-public:
- FileSystemCallbacks(PassRefPtr<FileSystemCallback>, PassRefPtr<ErrorCallback>);
- virtual void didOpenFileSystem(const String& name, const String& rootPath);
-
-private:
- RefPtr<FileSystemCallback> m_successCallback;
-};
-
-class MetadataCallbacks : public FileSystemCallbacksBase {
-public:
- MetadataCallbacks(PassRefPtr<MetadataCallback>, PassRefPtr<ErrorCallback>);
- virtual void didReadMetadata(double modificationTime);
-
-private:
- RefPtr<MetadataCallback> m_successCallback;
-};
-
-class VoidCallbacks : public FileSystemCallbacksBase {
-public:
- VoidCallbacks(PassRefPtr<VoidCallback>, PassRefPtr<ErrorCallback>);
- virtual void didSucceed();
-
-private:
- RefPtr<VoidCallback> m_successCallback;
-};
-
-} // namespace
-
-#endif // ENABLE(FILE_SYSTEM)
-
-#endif // FileSystemCallbacks_h