Re-enable child account detection, now behind a flag.
[chromium-blink-merge.git] / chrome / browser / image_holder.cc
blob960b057e75bd86bf67fc24df0af9125c45ac2303
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.
5 // This class holds the URL to an image and the bitmap for the fetched image,
6 // and has code to fetch the bitmap from the URL.
8 #include "chrome/browser/image_holder.h"
10 #include "chrome/browser/profiles/profile.h"
11 #include "net/base/load_flags.h"
13 namespace chrome {
15 ImageHolder::ImageHolder(const GURL& low_dpi_url,
16 const GURL& high_dpi_url,
17 Profile* profile,
18 ImageHolderDelegate* delegate)
19 : low_dpi_url_(low_dpi_url),
20 high_dpi_url_(high_dpi_url),
21 low_dpi_fetched_(false),
22 high_dpi_fetched_(false),
23 delegate_(delegate),
24 profile_(profile) {
26 // If a URL is invalid, clear it so we don't try to fetch it.
27 if (!low_dpi_url_.is_valid()) {
28 low_dpi_url_ = GURL();
30 if (!high_dpi_url_.is_valid()) {
31 high_dpi_url_ = GURL();
34 // Create a featcher for each URL that is set.
35 if (!low_dpi_url_.is_empty()) {
36 CreateBitmapFetcher(low_dpi_url_);
38 if (!high_dpi_url_.is_empty()) {
39 CreateBitmapFetcher(high_dpi_url_);
43 ImageHolder::~ImageHolder() {}
45 // This will let us know if we have tried to fetch once and the try completed.
46 // Currently there is no logic for retries.
47 bool ImageHolder::IsFetchingDone() const {
48 return ((low_dpi_url_.is_empty() || low_dpi_fetched_) &&
49 (high_dpi_url_.is_empty() || high_dpi_fetched_));
52 // If this bitmap has a valid GURL, create a fetcher for it.
53 void ImageHolder::CreateBitmapFetcher(const GURL& url) {
54 // Check for dups, ignore any request for a dup.
55 ScopedVector<chrome::BitmapFetcher>::iterator iter;
56 for (iter = fetchers_.begin(); iter != fetchers_.end(); ++iter) {
57 if ((*iter)->url() == url)
58 return;
61 if (url.is_valid()) {
62 fetchers_.push_back(new chrome::BitmapFetcher(url, this));
63 DVLOG(2) << __FUNCTION__ << "Pushing bitmap " << url;
67 void ImageHolder::StartFetch() {
68 // Now that we have queued them all, start the fetching.
69 ScopedVector<chrome::BitmapFetcher>::iterator iter;
70 for (iter = fetchers_.begin(); iter != fetchers_.end(); ++iter) {
71 (*iter)->Start(
72 profile_->GetRequestContext(),
73 std::string(),
74 net::URLRequest::CLEAR_REFERRER_ON_TRANSITION_FROM_SECURE_TO_INSECURE,
75 net::LOAD_NORMAL);
79 // Method inherited from BitmapFetcher delegate.
80 void ImageHolder::OnFetchComplete(const GURL url, const SkBitmap* bitmap) {
81 // TODO(petewil): Should I retry if a fetch fails?
82 // Match the bitmap to the URL to put it into the image with the correct scale
83 // factor.
84 if (url == low_dpi_url_) {
85 low_dpi_fetched_ = true;
86 if (bitmap != NULL)
87 image_.AddRepresentation(gfx::ImageSkiaRep(*bitmap, 1.0));
88 } else if (url == high_dpi_url_) {
89 high_dpi_fetched_ = true;
90 if (bitmap != NULL)
91 image_.AddRepresentation(gfx::ImageSkiaRep(*bitmap, 2.0));
92 } else {
93 DVLOG(2) << __FUNCTION__ << "Unmatched bitmap arrived " << url;
96 // Notify callback of bitmap arrival.
97 delegate_->OnFetchComplete();
100 } // namespace chrome.