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/icon_loader.h" 6 7 #include "base/basictypes.h" 8 #include "content/browser/browser_thread.h" 9 #include "third_party/skia/include/core/SkBitmap.h" 10 11 #if defined(TOOLKIT_GTK) 12 #include "base/mime_util.h" 13 #endif 14 15 IconLoader::IconLoader(const IconGroupID& group, IconSize size, 16 Delegate* delegate) 17 : target_message_loop_(NULL), 18 group_(group), 19 icon_size_(size), 20 image_(NULL), 21 delegate_(delegate) { 22 } 23 24 IconLoader::~IconLoader() { 25 } 26 27 void IconLoader::Start() { 28 target_message_loop_ = base::MessageLoopProxy::CreateForCurrentThread(); 29 30 #if defined(TOOLKIT_GTK) 31 // This call must happen on the UI thread before we can start loading icons. 32 mime_util::DetectGtkTheme(); 33 #endif 34 35 BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, 36 NewRunnableMethod(this, &IconLoader::ReadIcon)); 37 } 38 39 void IconLoader::NotifyDelegate() { 40 // If the delegate takes ownership of the Image, release it from the scoped 41 // pointer. 42 if (delegate_->OnImageLoaded(this, image_.get())) 43 ignore_result(image_.release()); // Can't ignore return value. 44 } 45
