1// Copyright (c) 2011 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 "chrome/browser/chromeos/login/image_decoder.h"
6
7#include "chrome/browser/browser_process.h"
8#include "content/browser/browser_thread.h"
9
10namespace chromeos {
11
12ImageDecoder::ImageDecoder(Delegate* delegate,
13                           const std::string& image_data)
14    : delegate_(delegate),
15      image_data_(image_data.begin(), image_data.end()),
16      target_thread_id_(BrowserThread::UI) {
17}
18
19void ImageDecoder::Start() {
20  if (!BrowserThread::GetCurrentThreadIdentifier(&target_thread_id_)) {
21    NOTREACHED();
22    return;
23  }
24  BrowserThread::PostTask(
25     BrowserThread::IO, FROM_HERE,
26     NewRunnableMethod(
27         this, &ImageDecoder::DecodeImageInSandbox,
28         image_data_));
29}
30
31void ImageDecoder::OnDecodeImageSucceeded(const SkBitmap& decoded_image) {
32  DCHECK(BrowserThread::CurrentlyOn(target_thread_id_));
33  if (delegate_)
34    delegate_->OnImageDecoded(this, decoded_image);
35}
36
37void ImageDecoder::OnDecodeImageFailed() {
38  DCHECK(BrowserThread::CurrentlyOn(target_thread_id_));
39  if (delegate_)
40    delegate_->OnDecodeImageFailed(this);
41}
42
43void ImageDecoder::DecodeImageInSandbox(
44    const std::vector<unsigned char>& image_data) {
45  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
46  UtilityProcessHost* utility_process_host =
47      new UtilityProcessHost(this,
48                             target_thread_id_);
49  utility_process_host->StartImageDecoding(image_data);
50}
51
52}  // namespace chromeos
53