// Copyright (c) 2011 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/image_decoder.h" #include "base/bind.h" #include "chrome/browser/browser_process.h" #include "chrome/common/chrome_utility_messages.h" #include "content/public/browser/browser_thread.h" using content::BrowserThread; ImageDecoder::ImageDecoder(Delegate* delegate, const std::string& image_data) : delegate_(delegate), image_data_(image_data.begin(), image_data.end()), target_thread_id_(BrowserThread::UI) { } ImageDecoder::~ImageDecoder() {} void ImageDecoder::Start() { if (!BrowserThread::GetCurrentThreadIdentifier(&target_thread_id_)) { NOTREACHED(); return; } BrowserThread::PostTask( BrowserThread::IO, FROM_HERE, base::Bind(&ImageDecoder::DecodeImageInSandbox, this, image_data_)); } bool ImageDecoder::OnMessageReceived(const IPC::Message& message) { bool handled = true; IPC_BEGIN_MESSAGE_MAP(ImageDecoder, message) IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_DecodeImage_Succeeded, OnDecodeImageSucceeded) IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_DecodeImage_Failed, OnDecodeImageFailed) IPC_MESSAGE_UNHANDLED(handled = false) IPC_END_MESSAGE_MAP() return handled; } void ImageDecoder::OnDecodeImageSucceeded(const SkBitmap& decoded_image) { DCHECK(BrowserThread::CurrentlyOn(target_thread_id_)); if (delegate_) delegate_->OnImageDecoded(this, decoded_image); } void ImageDecoder::OnDecodeImageFailed() { DCHECK(BrowserThread::CurrentlyOn(target_thread_id_)); if (delegate_) delegate_->OnDecodeImageFailed(this); } void ImageDecoder::DecodeImageInSandbox( const std::vector& image_data) { DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); UtilityProcessHost* utility_process_host = new UtilityProcessHost(this, target_thread_id_); utility_process_host->Send(new ChromeUtilityMsg_DecodeImage(image_data)); }