components/favicon/core/favicon_util.h

   1 // Copyright 2015 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_CORE_FAVICON_UTIL_H_
   6 #define COMPONENTS_FAVICON_CORE_FAVICON_UTIL_H_
   7
   8 #include "base/callback_forward.h"
   9 #include "base/task/cancelable_task_tracker.h"
  10 #include "components/favicon_base/favicon_callback.h"
  11 #include "components/favicon_base/favicon_types.h"
  12
  13 class GURL;
  14
  15 namespace favicon {
  16
  17 class FaviconService;
  18
  19 // Request a favicon from |favicon_service| for the page at |page_url|.
  20 // |callback| is run when the the favicon has been fetched. If |type| is:
  21 // - favicon_base::FAVICON, the returned gfx::Image is a multi-resolution image
  22 //   of gfx::kFaviconSize DIP width and height (the data from the cache is
  23 //   resized if need be),
  24 // - otherwise, the returned gfx::Image is a single-resolution image with the
  25 //   largest bitmap in the cache for |page_url| and |type|.
  26 base::CancelableTaskTracker::TaskId GetFaviconImageForPageURL(
  27     FaviconService* favicon_service,
  28     const GURL& page_url,
  29     favicon_base::IconType type,
  30     const favicon_base::FaviconImageCallback& callback,
  31     base::CancelableTaskTracker* tracker);
  32
  33 }  // namespace favicon
  34
  35 #endif  // COMPONENTS_FAVICON_CORE_FAVICON_UTIL_H_