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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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_ASYNC_FILE_SYSTEM_CALLBACKS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_ASYNC_FILE_SYSTEM_CALLBACKS_H_
#include <memory>
#include "third_party/blink/public/mojom/filesystem/file_system.mojom-blink.h"
#include "third_party/blink/public/platform/web_file_writer.h"
#include "third_party/blink/renderer/platform/blob/blob_data.h"
#include "third_party/blink/renderer/platform/file_metadata.h"
#include "third_party/blink/renderer/platform/wtf/allocator.h"
#include "third_party/blink/renderer/platform/wtf/assertions.h"
#include "third_party/blink/renderer/platform/wtf/noncopyable.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
class PLATFORM_EXPORT AsyncFileSystemCallbacks {
USING_FAST_MALLOC(AsyncFileSystemCallbacks);
WTF_MAKE_NONCOPYABLE(AsyncFileSystemCallbacks);
public:
AsyncFileSystemCallbacks() : block_until_completion_(false) {}
// Called when a requested operation is completed successfully.
virtual void DidSucceed() { NOTREACHED(); }
// Called when a requested file system is opened.
virtual void DidOpenFileSystem(const String& name, const KURL& root_url) {
NOTREACHED();
}
// Called when a filesystem URL is resolved.
virtual void DidResolveURL(const String& name,
const KURL& root_url,
mojom::blink::FileSystemType,
const String& file_path,
bool is_directory) {
NOTREACHED();
}
// Called when a file metadata is read successfully.
virtual void DidReadMetadata(const FileMetadata&) { NOTREACHED(); }
// Called when a snapshot file is created successfully.
virtual void DidCreateSnapshotFile(const FileMetadata&,
scoped_refptr<BlobDataHandle> snapshot) {
NOTREACHED();
}
// Called when a directory entry is read.
virtual void DidReadDirectoryEntry(const String& name, bool is_directory) {
NOTREACHED();
}
// Called after a chunk of directory entries have been read (i.e. indicates
// it's good time to call back to the application). If hasMore is true there
// can be more chunks.
virtual void DidReadDirectoryEntries(bool has_more) { NOTREACHED(); }
// Called when an AsyncFileWrter has been created successfully.
virtual void DidCreateFileWriter(std::unique_ptr<WebFileWriter>,
long long length) {
NOTREACHED();
}
// Called when there was an error.
virtual void DidFail(int code) = 0;
// Returns true if the caller expects that the calling thread blocks
// until completion.
virtual bool ShouldBlockUntilCompletion() const {
return block_until_completion_;
}
void SetShouldBlockUntilCompletion(bool flag) {
block_until_completion_ = flag;
}
virtual ~AsyncFileSystemCallbacks() = default;
private:
bool block_until_completion_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_ASYNC_FILE_SYSTEM_CALLBACKS_H_
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