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      1 // Copyright 2014 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 COMPONENTS_SUGGESTIONS_IMAGE_MANAGER_H_
      6 #define COMPONENTS_SUGGESTIONS_IMAGE_MANAGER_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/callback.h"
     10 #include "components/suggestions/proto/suggestions.pb.h"
     11 #include "ui/gfx/image/image_skia.h"
     12 #include "url/gurl.h"
     13 
     14 namespace suggestions {
     15 
     16 // An interface to retrieve images related to a specific URL.
     17 class ImageManager {
     18  public:
     19   ImageManager() {}
     20   virtual ~ImageManager() {}
     21 
     22   // (Re)Initializes states using data received from a SuggestionService. We're
     23   // not doing this in the constructor because an instance may be long-lived.
     24   virtual void Initialize(const SuggestionsProfile& suggestions) = 0;
     25 
     26   // Retrieves stored image for website |url| asynchronously. Calls |callback|
     27   // with Bitmap pointer if found, and NULL otherwise.
     28   virtual void GetImageForURL(
     29       const GURL& url,
     30       base::Callback<void(const GURL&, const SkBitmap*)> callback) = 0;
     31 
     32  private:
     33   DISALLOW_COPY_AND_ASSIGN(ImageManager);
     34 };
     35 
     36 }  // namespace suggestions
     37 
     38 #endif  // COMPONENTS_SUGGESTIONS_IMAGE_MANAGER_H_
     39