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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 "base/bind.h" | |
8 #include "chrome/browser/browser_process.h" | |
9 #include "chrome/common/chrome_utility_messages.h" | |
10 #include "content/public/browser/browser_thread.h" | |
11 | |
12 using content::BrowserThread; | |
13 | |
14 namespace chromeos { | |
15 | |
16 ImageDecoder::ImageDecoder(Delegate* delegate, | |
17 const std::string& image_data) | |
18 : delegate_(delegate), | |
19 image_data_(image_data.begin(), image_data.end()), | |
20 target_thread_id_(BrowserThread::UI) { | |
21 } | |
22 | |
23 ImageDecoder::~ImageDecoder() {} | |
24 | |
25 void ImageDecoder::Start() { | |
26 if (!BrowserThread::GetCurrentThreadIdentifier(&target_thread_id_)) { | |
27 NOTREACHED(); | |
28 return; | |
29 } | |
30 BrowserThread::PostTask( | |
31 BrowserThread::IO, FROM_HERE, | |
32 base::Bind(&ImageDecoder::DecodeImageInSandbox, this, image_data_)); | |
33 } | |
34 | |
35 bool ImageDecoder::OnMessageReceived(const IPC::Message& message) { | |
36 bool handled = true; | |
37 IPC_BEGIN_MESSAGE_MAP(ImageDecoder, message) | |
38 IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_DecodeImage_Succeeded, | |
39 OnDecodeImageSucceeded) | |
40 IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_DecodeImage_Failed, | |
41 OnDecodeImageFailed) | |
42 IPC_MESSAGE_UNHANDLED(handled = false) | |
43 IPC_END_MESSAGE_MAP() | |
44 return handled; | |
45 } | |
46 | |
47 void ImageDecoder::OnDecodeImageSucceeded(const SkBitmap& decoded_image) { | |
48 DCHECK(BrowserThread::CurrentlyOn(target_thread_id_)); | |
49 if (delegate_) | |
50 delegate_->OnImageDecoded(this, decoded_image); | |
51 } | |
52 | |
53 void ImageDecoder::OnDecodeImageFailed() { | |
54 DCHECK(BrowserThread::CurrentlyOn(target_thread_id_)); | |
55 if (delegate_) | |
56 delegate_->OnDecodeImageFailed(this); | |
57 } | |
58 | |
59 void ImageDecoder::DecodeImageInSandbox( | |
60 const std::vector<unsigned char>& image_data) { | |
61 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
62 UtilityProcessHost* utility_process_host = | |
63 new UtilityProcessHost(this, | |
64 target_thread_id_); | |
65 utility_process_host->Send(new ChromeUtilityMsg_DecodeImage(image_data)); | |
66 } | |
67 | |
68 } // namespace chromeos | |
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