| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_IMAGE_TYPE_VALIDATOR_H_ |
| #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_IMAGE_TYPE_VALIDATOR_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/files/file_path.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "chrome/browser/media_galleries/fileapi/av_scanning_file_validator.h" |
| |
| class ImageDecoder; |
| |
| class MediaFileValidatorFactory; |
| |
| // Use ImageDecoder to determine if the file decodes without error. Handles |
| // image files supported by Chrome. |
| class SupportedImageTypeValidator : public AVScanningFileValidator { |
| public: |
| virtual ~SupportedImageTypeValidator(); |
| |
| static bool SupportsFileType(const base::FilePath& path); |
| |
| virtual void StartPreWriteValidation( |
| const ResultCallback& result_callback) OVERRIDE; |
| |
| private: |
| friend class MediaFileValidatorFactory; |
| |
| explicit SupportedImageTypeValidator(const base::FilePath& file); |
| |
| void OnFileOpen(scoped_ptr<std::string> data); |
| |
| base::FilePath path_; |
| scoped_refptr<ImageDecoder> decoder_; |
| fileapi::CopyOrMoveFileValidator::ResultCallback callback_; |
| base::WeakPtrFactory<SupportedImageTypeValidator> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SupportedImageTypeValidator); |
| }; |
| |
| #endif // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_IMAGE_TYPE_VALIDATOR_H_ |