GAIA Profile info prototype

chrome/browser/gaia_userinfo/image_decoder.cc

+// 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/gaia_userinfo/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_EX()
+  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<unsigned char>& 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));
+}