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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/notifications/sync_notifier/notification_bitmap_fetcher.h"
#include "chrome/browser/profiles/profile.h"
#include "content/public/browser/browser_thread.h"
#include "net/url_request/url_fetcher.h"
#include "net/url_request/url_request_status.h"
namespace notifier {
NotificationBitmapFetcher::NotificationBitmapFetcher(
const GURL& url,
NotificationBitmapFetcherDelegate* delegate)
: url_(url), delegate_(delegate) {}
NotificationBitmapFetcher::~NotificationBitmapFetcher() {}
void NotificationBitmapFetcher::Start(Profile* profile) {
url_fetcher_.reset(
net::URLFetcher::Create(url_, net::URLFetcher::GET, this));
// The RequestContext is coming from the current profile.
// TODO(petewil): Make sure this is the right profile to use.
// It seems to work, but we might prefer to use a blank profile with
// no cookies.
url_fetcher_->SetRequestContext(profile->GetRequestContext());
url_fetcher_->Start();
}
// Methods inherited from URLFetcherDelegate.
void NotificationBitmapFetcher::OnURLFetchComplete(
const net::URLFetcher* source) {
DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
if (source->GetStatus().status() != net::URLRequestStatus::SUCCESS) {
OnDecodeImageFailed(NULL);
return;
}
std::string image_data;
source->GetResponseAsString(&image_data);
// Create an ImageDecoder with the data and assign it to the refptr.
image_decoder_ = new ImageDecoder(this, image_data,
ImageDecoder::DEFAULT_CODEC);
// Call start to begin decoding. The ImageDecoder will call OnImageDecoded
// with the data when it is done.
scoped_refptr<base::MessageLoopProxy> task_runner =
content::BrowserThread::GetMessageLoopProxyForThread(
content::BrowserThread::UI);
image_decoder_->Start(task_runner);
}
void NotificationBitmapFetcher::OnURLFetchDownloadProgress(
const net::URLFetcher* source, int64 current, int64 total) {
// Do nothing here.
}
// Methods inherited from ImageDecoder::Delegate.
void NotificationBitmapFetcher::OnImageDecoded(
const ImageDecoder* decoder, const SkBitmap& decoded_image) {
// Make a copy of the bitmap which we pass back to the UI thread.
bitmap_.reset(new SkBitmap());
decoded_image.deepCopyTo(bitmap_.get(), decoded_image.getConfig());
// Report success.
delegate_->OnFetchComplete(url_, bitmap_.get());
}
void NotificationBitmapFetcher::OnDecodeImageFailed(
const ImageDecoder* decoder) {
// Report failure.
delegate_->OnFetchComplete(url_, NULL);
}
} // namespace notifier
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