icon_loader.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019
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)#if defined(TOOLKIT_GTK) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/nix/mime_util_xdg.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)using content::BrowserThread; 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)IconLoader::IconLoader(const IconGroupID& group, IconSize size, 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Delegate* delegate) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : target_message_loop_(NULL), 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) group_(group), 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) icon_size_(size), 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) image_(NULL), 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) delegate_(delegate) { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)IconLoader::~IconLoader() { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void IconLoader::Start() { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) target_message_loop_ = base::MessageLoopProxy::current(); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(TOOLKIT_GTK) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This call must happen on the UI thread before we can start loading icons. 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::nix::DetectGtkTheme(); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Bind(&IconLoader::ReadIcon, this)); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void IconLoader::NotifyDelegate() { 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the delegate takes ownership of the Image, release it from the scoped 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // pointer. 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (delegate_->OnImageLoaded(this, image_.get())) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ignore_result(image_.release()); // Can't ignore return value. 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 47