icon_loader.cc revision c2e0dbddbe15c98d52c4786dac06cb8952a8ae6d
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/icon_loader.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/browser_thread.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::BrowserThread; 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 13c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)IconLoader::IconLoader(const base::FilePath& file_path, IconSize size, 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Delegate* delegate) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : target_message_loop_(NULL), 16c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) file_path_(file_path), 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_size_(size), 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) image_(NULL), 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_(delegate) { 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)IconLoader::~IconLoader() { 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void IconLoader::Start() { 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) target_message_loop_ = base::MessageLoopProxy::current(); 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 28c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) BrowserThread::PostTaskAndReply(BrowserThread::FILE, FROM_HERE, 29c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::Bind(&IconLoader::ReadGroup, this), 30c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::Bind(&IconLoader::OnReadGroup, this)); 31c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 32c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 33c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void IconLoader::ReadGroup() { 34c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) group_ = ReadGroupIDFromFilepath(file_path_); 35c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)} 36c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 37c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)void IconLoader::OnReadGroup() { 38c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (IsIconMutableFromFilepath(file_path_) || 39c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) !delegate_->OnGroupLoaded(this, group_)) { 40c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, 41c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::Bind(&IconLoader::ReadIcon, this)); 42c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void IconLoader::NotifyDelegate() { 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the delegate takes ownership of the Image, release it from the scoped 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // pointer. 48c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (delegate_->OnImageLoaded(this, image_.get(), group_)) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ignore_result(image_.release()); // Can't ignore return value. 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 51