1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_IMAGE_TYPE_VALIDATOR_H_ 6 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_IMAGE_TYPE_VALIDATOR_H_ 7 8 #include "base/basictypes.h" 9 #include "base/files/file_path.h" 10 #include "base/memory/scoped_ptr.h" 11 #include "base/memory/weak_ptr.h" 12 #include "chrome/browser/media_galleries/fileapi/av_scanning_file_validator.h" 13 14 class ImageDecoder; 15 16 namespace chrome { 17 18 class MediaFileValidatorFactory; 19 20 // Use ImageDecoder to determine if the file decodes without error. Handles 21 // image files supported by Chrome. 22 class SupportedImageTypeValidator : public AVScanningFileValidator { 23 public: 24 virtual ~SupportedImageTypeValidator(); 25 26 static bool SupportsFileType(const base::FilePath& path); 27 28 virtual void StartPreWriteValidation( 29 const ResultCallback& result_callback) OVERRIDE; 30 31 private: 32 friend class MediaFileValidatorFactory; 33 34 explicit SupportedImageTypeValidator(const base::FilePath& file); 35 36 void OnFileOpen(scoped_ptr<std::string> data); 37 38 base::FilePath path_; 39 scoped_refptr<ImageDecoder> decoder_; 40 fileapi::CopyOrMoveFileValidator::ResultCallback callback_; 41 base::WeakPtrFactory<SupportedImageTypeValidator> weak_factory_; 42 43 DISALLOW_COPY_AND_ASSIGN(SupportedImageTypeValidator); 44 }; 45 46 } // namespace chrome 47 48 #endif // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_IMAGE_TYPE_VALIDATOR_H_ 49