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
10 namespace chromeos {
11
ImageDecoder(Delegate * delegate,const std::string & image_data)12 ImageDecoder::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
Start()19 void 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
OnDecodeImageSucceeded(const SkBitmap & decoded_image)31 void ImageDecoder::OnDecodeImageSucceeded(const SkBitmap& decoded_image) {
32 DCHECK(BrowserThread::CurrentlyOn(target_thread_id_));
33 if (delegate_)
34 delegate_->OnImageDecoded(this, decoded_image);
35 }
36
OnDecodeImageFailed()37 void ImageDecoder::OnDecodeImageFailed() {
38 DCHECK(BrowserThread::CurrentlyOn(target_thread_id_));
39 if (delegate_)
40 delegate_->OnDecodeImageFailed(this);
41 }
42
DecodeImageInSandbox(const std::vector<unsigned char> & image_data)43 void 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