15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/image_decoder.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/browser_process.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/common/chrome_utility_messages.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_thread.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/utility_process_host.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::BrowserThread; 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::UtilityProcessHost; 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ImageDecoder::ImageDecoder(Delegate* delegate, 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& image_data, 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ImageCodec image_codec) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : delegate_(delegate), 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) image_data_(image_data.begin(), image_data.end()), 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) image_codec_(image_codec), 221320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci task_runner_(NULL), 231320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci shrink_to_fit_(false) { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)ImageDecoder::~ImageDecoder() {} 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)void ImageDecoder::Start(scoped_refptr<base::SequencedTaskRunner> task_runner) { 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) task_runner_ = task_runner; 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserThread::PostTask( 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserThread::IO, FROM_HERE, 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Bind(&ImageDecoder::DecodeImageInSandbox, this, image_data_)); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool ImageDecoder::OnMessageReceived(const IPC::Message& message) { 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool handled = true; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPC_BEGIN_MESSAGE_MAP(ImageDecoder, message) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_DecodeImage_Succeeded, 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OnDecodeImageSucceeded) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_DecodeImage_Failed, 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) OnDecodeImageFailed) 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPC_MESSAGE_UNHANDLED(handled = false) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) IPC_END_MESSAGE_MAP() 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return handled; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ImageDecoder::OnDecodeImageSucceeded(const SkBitmap& decoded_image) { 482a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(task_runner_->RunsTasksOnCurrentThread()); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delegate_) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->OnImageDecoded(this, decoded_image); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ImageDecoder::OnDecodeImageFailed() { 542a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DCHECK(task_runner_->RunsTasksOnCurrentThread()); 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delegate_) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_->OnDecodeImageFailed(this); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void ImageDecoder::DecodeImageInSandbox( 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::vector<unsigned char>& image_data) { 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) UtilityProcessHost* utility_process_host; 632a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) utility_process_host = UtilityProcessHost::Create(this, task_runner_.get()); 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (image_codec_ == ROBUST_JPEG_CODEC) { 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) utility_process_host->Send( 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new ChromeUtilityMsg_RobustJPEGDecodeImage(image_data)); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 681320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci utility_process_host->Send( 691320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci new ChromeUtilityMsg_DecodeImage(image_data, shrink_to_fit_)); 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 72