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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
#include "modules/filesystem/EntriesCallback.h"
#include "platform/AsyncFileSystemCallbacks.h"
#include "platform/FileSystemType.h"
#include "wtf/Vector.h"
#include "wtf/text/WTFString.h"
namespace blink {
class DOMFileSystemBase;
class DirectoryReaderBase;
class EntriesCallback;
class EntryCallback;
class ErrorCallback;
class FileCallback;
struct FileMetadata;
class FileSystemCallback;
class FileWriterBase;
class FileWriterBaseCallback;
class MetadataCallback;
class ExecutionContext;
class VoidCallback;
class FileSystemCallbacksBase : public AsyncFileSystemCallbacks {
public:
virtual ~FileSystemCallbacksBase();
// For ErrorCallback.
virtual void didFail(int code) override final;
// Other callback methods are implemented by each subclass.
protected:
FileSystemCallbacksBase(ErrorCallback*, DOMFileSystemBase*, ExecutionContext*);
bool shouldScheduleCallback() const;
#if !ENABLE(OILPAN)
template <typename CB, typename CBArg>
void handleEventOrScheduleCallback(RawPtr<CB>, RawPtr<CBArg>);
#endif
template <typename CB, typename CBArg>
void handleEventOrScheduleCallback(RawPtr<CB>, CBArg*);
template <typename CB, typename CBArg>
void handleEventOrScheduleCallback(RawPtr<CB>, PassRefPtrWillBeRawPtr<CBArg>);
template <typename CB>
void handleEventOrScheduleCallback(RawPtr<CB>);
Persistent<ErrorCallback> m_errorCallback;
Persistent<DOMFileSystemBase> m_fileSystem;
RefPtrWillBePersistent<ExecutionContext> m_executionContext;
int m_asyncOperationId;
};
// Subclasses ----------------------------------------------------------------
class EntryCallbacks final : public FileSystemCallbacksBase {
public:
static PassOwnPtr<AsyncFileSystemCallbacks> create(EntryCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*, const String& expectedPath, bool isDirectory);
virtual void didSucceed() override;
private:
EntryCallbacks(EntryCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*, const String& expectedPath, bool isDirectory);
Persistent<EntryCallback> m_successCallback;
String m_expectedPath;
bool m_isDirectory;
};
class EntriesCallbacks final : public FileSystemCallbacksBase {
public:
static PassOwnPtr<AsyncFileSystemCallbacks> create(EntriesCallback*, ErrorCallback*, ExecutionContext*, DirectoryReaderBase*, const String& basePath);
virtual void didReadDirectoryEntry(const String& name, bool isDirectory) override;
virtual void didReadDirectoryEntries(bool hasMore) override;
private:
EntriesCallbacks(EntriesCallback*, ErrorCallback*, ExecutionContext*, DirectoryReaderBase*, const String& basePath);
Persistent<EntriesCallback> m_successCallback;
Persistent<DirectoryReaderBase> m_directoryReader;
String m_basePath;
PersistentHeapVector<Member<Entry> > m_entries;
};
class FileSystemCallbacks final : public FileSystemCallbacksBase {
public:
static PassOwnPtr<AsyncFileSystemCallbacks> create(FileSystemCallback*, ErrorCallback*, ExecutionContext*, FileSystemType);
virtual void didOpenFileSystem(const String& name, const KURL& rootURL) override;
private:
FileSystemCallbacks(FileSystemCallback*, ErrorCallback*, ExecutionContext*, FileSystemType);
Persistent<FileSystemCallback> m_successCallback;
FileSystemType m_type;
};
class ResolveURICallbacks final : public FileSystemCallbacksBase {
public:
static PassOwnPtr<AsyncFileSystemCallbacks> create(EntryCallback*, ErrorCallback*, ExecutionContext*);
virtual void didResolveURL(const String& name, const KURL& rootURL, FileSystemType, const String& filePath, bool isDirectry) override;
private:
ResolveURICallbacks(EntryCallback*, ErrorCallback*, ExecutionContext*);
Persistent<EntryCallback> m_successCallback;
};
class MetadataCallbacks final : public FileSystemCallbacksBase {
public:
static PassOwnPtr<AsyncFileSystemCallbacks> create(MetadataCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*);
virtual void didReadMetadata(const FileMetadata&) override;
private:
MetadataCallbacks(MetadataCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*);
Persistent<MetadataCallback> m_successCallback;
};
class FileWriterBaseCallbacks final : public FileSystemCallbacksBase {
public:
static PassOwnPtr<AsyncFileSystemCallbacks> create(PassRefPtrWillBeRawPtr<FileWriterBase>, FileWriterBaseCallback*, ErrorCallback*, ExecutionContext*);
virtual void didCreateFileWriter(PassOwnPtr<WebFileWriter>, long long length) override;
private:
FileWriterBaseCallbacks(PassRefPtrWillBeRawPtr<FileWriterBase>, FileWriterBaseCallback*, ErrorCallback*, ExecutionContext*);
Persistent<FileWriterBase> m_fileWriter;
Persistent<FileWriterBaseCallback> m_successCallback;
};
class SnapshotFileCallback final : public FileSystemCallbacksBase {
public:
static PassOwnPtr<AsyncFileSystemCallbacks> create(DOMFileSystemBase*, const String& name, const KURL&, FileCallback*, ErrorCallback*, ExecutionContext*);
virtual void didCreateSnapshotFile(const FileMetadata&, PassRefPtr<BlobDataHandle> snapshot);
private:
SnapshotFileCallback(DOMFileSystemBase*, const String& name, const KURL&, FileCallback*, ErrorCallback*, ExecutionContext*);
String m_name;
KURL m_url;
Persistent<FileCallback> m_successCallback;
};
class VoidCallbacks final : public FileSystemCallbacksBase {
public:
static PassOwnPtr<AsyncFileSystemCallbacks> create(VoidCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*);
virtual void didSucceed() override;
private:
VoidCallbacks(VoidCallback*, ErrorCallback*, ExecutionContext*, DOMFileSystemBase*);
Persistent<VoidCallback> m_successCallback;
};
} // namespace blink
#endif // FileSystemCallbacks_h