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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_EXTENSIONS_FILE_MANAGER_PRIVATE_API_MEDIA_PARSER_H_
#define CHROME_BROWSER_ASH_EXTENSIONS_FILE_MANAGER_PRIVATE_API_MEDIA_PARSER_H_
#include <memory>
#include <string>
#include <vector>
#include "chrome/browser/ash/extensions/file_manager/logged_extension_function.h"
#include "chrome/services/media_gallery_util/public/cpp/safe_media_metadata_parser.h"
#include "chrome/services/media_gallery_util/public/mojom/media_parser.mojom-forward.h"
namespace extensions {
// Implements the chrome.fileManagerPrivate.getContentMimeType method. Returns
// the content sniffed mime type of a file blob.
class FileManagerPrivateInternalGetContentMimeTypeFunction
: public LoggedExtensionFunction {
public:
FileManagerPrivateInternalGetContentMimeTypeFunction();
DECLARE_EXTENSION_FUNCTION("fileManagerPrivateInternal.getContentMimeType",
FILEMANAGERPRIVATEINTERNAL_GETCONTENTMIMETYPE)
protected:
~FileManagerPrivateInternalGetContentMimeTypeFunction() override;
// ExtensionFunction:
ResponseAction Run() override;
private:
void ReadBlobBytes( // Reads some bytes from the front of the blob.
const std::string& blob_uuid);
void SniffMimeType( // Sniffs the content mime type of those bytes.
const std::string& blob_uuid,
std::string sniff_bytes,
int64_t length);
};
// Implements the chrome.fileManagerPrivate.getContentMetadata method. Returns
// metadata tags and images found in audio and video file blobs.
class FileManagerPrivateInternalGetContentMetadataFunction
: public LoggedExtensionFunction {
public:
FileManagerPrivateInternalGetContentMetadataFunction();
DECLARE_EXTENSION_FUNCTION("fileManagerPrivateInternal.getContentMetadata",
FILEMANAGERPRIVATEINTERNAL_GETCONTENTMETADATA)
protected:
~FileManagerPrivateInternalGetContentMetadataFunction() override;
// ExtensionFunction:
ResponseAction Run() override;
private:
void ReadBlobSize( // Reads the total blob size.
const std::string& blob_uuid,
const std::string& mime_type,
bool include_images);
void CanParseBlob( // Only audio and video mime types are supported.
const std::string& blob_uuid,
const std::string& mime_type,
bool include_images,
std::string sniff_bytes,
int64_t length);
void ParseBlob( // Sends the blob to the utility process safe parser.
const std::string& blob_uuid,
const std::string& mime_type,
bool include_images,
int64_t length);
void ParserDone( // Returns the parsed metadata.
std::unique_ptr<SafeMediaMetadataParser> parser_keep_alive,
bool parser_success,
chrome::mojom::MediaMetadataPtr metadata,
std::unique_ptr<std::vector<metadata::AttachedImage>> images);
};
} // namespace extensions
#endif // CHROME_BROWSER_ASH_EXTENSIONS_FILE_MANAGER_PRIVATE_API_MEDIA_PARSER_H_
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