components/favicon/core/favicon_util.cc

   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 #include "components/favicon/core/favicon_util.h"
   6
   7 #include "base/bind.h"
   8 #include "base/callback.h"
   9 #include "components/favicon/core/favicon_service.h"
  10
  11 namespace favicon {
  12 namespace {
  13
  14 // Adapter to convert a FaviconImageCallback into a FaviconRawBitmapCallback
  15 // for GetFaviconImageForPageURL.
  16 void RunCallbackWithImage(
  17     const favicon_base::FaviconImageCallback& callback,
  18     const favicon_base::FaviconRawBitmapResult& bitmap_result) {
  19   favicon_base::FaviconImageResult result;
  20   if (bitmap_result.is_valid()) {
  21     result.image = gfx::Image::CreateFrom1xPNGBytes(
  22         bitmap_result.bitmap_data->front(), bitmap_result.bitmap_data->size());
  23     result.icon_url = bitmap_result.icon_url;
  24     callback.Run(result);
  25     return;
  26   }
  27   callback.Run(result);
  28 }
  29
  30 }  // namespace
  31
  32 base::CancelableTaskTracker::TaskId GetFaviconImageForPageURL(
  33     FaviconService* favicon_service,
  34     const GURL& page_url,
  35     favicon_base::IconType type,
  36     const favicon_base::FaviconImageCallback& callback,
  37     base::CancelableTaskTracker* tracker) {
  38   if (!favicon_service)
  39     return base::CancelableTaskTracker::kBadTaskId;
  40
  41   if (type == favicon_base::FAVICON) {
  42     return favicon_service->GetFaviconImageForPageURL(page_url, callback,
  43                                                       tracker);
  44   }
  45
  46   return favicon_service->GetRawFaviconForPageURL(
  47       page_url, type, 0, base::Bind(&RunCallbackWithImage, callback), tracker);
  48 }
  49
  50 }  // namespace favicon