components/favicon_base/favicon_callback.h

   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_FAVICON_BASE_FAVICON_CALLBACK_H_
   6 #define COMPONENTS_FAVICON_BASE_FAVICON_CALLBACK_H_
   7
   8 #include <vector>
   9
  10 #include "base/callback.h"
  11
  12 namespace favicon_base {
  13
  14 struct FaviconRawBitmapResult;
  15 struct FaviconImageResult;
  16 struct LargeIconResult;
  17
  18 // Callback for functions that can be used to return a |gfx::Image| and the
  19 // |GURL| it is loaded from. They are returned as a |FaviconImageResult| object.
  20 typedef base::Callback<void(const FaviconImageResult&)> FaviconImageCallback;
  21
  22 // Callback for functions returning raw data for a favicon. In
  23 // |FaviconRawBitmapResult|, the data is not yet converted as a |gfx::Image|.
  24 typedef base::Callback<void(const FaviconRawBitmapResult&)>
  25     FaviconRawBitmapCallback;
  26
  27 // Callback for functions returning raw data for a favicon in multiple
  28 // resolution. In |FaviconRawBitmapResult|, the data is not yet converted as a
  29 // |gfx::Image|.
  30 typedef base::Callback<void(const std::vector<FaviconRawBitmapResult>&)>
  31     FaviconResultsCallback;
  32
  33 // Callback for functions returning data for a large icon. |LargeIconResult|
  34 // will contain either the raw bitmap for a large icon or the style of the
  35 // fallback to use if a sufficiently large icon could not be found.
  36 typedef base::Callback<void(const LargeIconResult&)> LargeIconCallback;
  37
  38 }  // namespace favicon_base
  39
  40 #endif  // COMPONENTS_FAVICON_BASE_FAVICON_CALLBACK_H_