Media Galleries API: Audio/Video attached pictures support.

chrome/browser/extensions/api/media_galleries/media_galleries_api.h

 // Copyright (c) 2012 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.
 
 // Defines the Chrome Extensions Media Galleries API functions for accessing
 // user's media files, as specified in the extension API IDL.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_MEDIA_GALLERIES_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_MEDIA_GALLERIES_API_H_
 
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
 #include "chrome/browser/media_galleries/media_file_system_registry.h"
 #include "chrome/browser/media_galleries/media_scan_manager_observer.h"
 #include "chrome/common/extensions/api/media_galleries.h"
 #include "chrome/common/media_galleries/metadata_types.h"
 #include "components/storage_monitor/media_storage_util.h"
 #include "extensions/browser/browser_context_keyed_api_factory.h"
 
 namespace MediaGalleries = extensions::api::media_galleries;
 
 class MediaGalleriesScanResultDialogController;
 
 namespace content {
+class BlobHandle;
 class WebContents;
 }
 
 namespace metadata {
 class SafeMediaMetadataParser;
 }
 
 namespace extensions {
 
 class Extension;
@@ skipping 217 matching lines @@
  public:
   DECLARE_EXTENSION_FUNCTION("mediaGalleries.getMetadata",
                              MEDIAGALLERIES_GETMETADATA)
 
  protected:
   virtual ~MediaGalleriesGetMetadataFunction();
   virtual bool RunAsync() OVERRIDE;
 
  private:
   // Bottom half for RunAsync, invoked after the preferences is initialized.
-  void OnPreferencesInit(bool mime_type_only, const std::string& blob_uuid);
+  void OnPreferencesInit(MediaGalleries::GetMetadataType metadata_type,
+                         const std::string& blob_uuid);
 
-  void SniffMimeType(bool mime_type_only,
-                     const std::string& blob_uuid,
-                     scoped_ptr<std::string> blob_header,
-                     int64 total_blob_length);
+  void GetMetadata(MediaGalleries::GetMetadataType metadata_type,
+                   const std::string& blob_uuid,
+                   scoped_ptr<std::string> blob_header,
+                   int64 total_blob_length);
 
   void OnSafeMediaMetadataParserDone(
-      bool parse_success, scoped_ptr<base::DictionaryValue> metadata_dictionary,
+      bool parse_success, scoped_ptr<base::DictionaryValue> result_dictionary,
       scoped_ptr<std::vector<metadata::AttachedImage> > attached_images);
+
+  void ConstructNextBlob(
+      scoped_ptr<base::DictionaryValue> result_dictionary,
+      scoped_ptr<std::vector<metadata::AttachedImage> > attached_images,
+      scoped_ptr<std::vector<std::string> > blob_uuids,
+      scoped_ptr<content::BlobHandle> current_blob);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_MEDIA_GALLERIES_MEDIA_GALLERIES_API_H_