Show Captcha dialog.

chrome/browser/chromeos/login/image_decoder.cc

+// Copyright (c) 2010 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/chromeos/login/image_decoder.h"
+
+#include "chrome/browser/browser_process.h"
+#include "chrome/browser/chrome_thread.h"
+
+namespace chromeos {
+
+ImageDecoder::ImageDecoder(Delegate* delegate,
+                           const std::vector<unsigned char>& image_data)
+    : delegate_(delegate),
+      image_data_(image_data) {
+}
+
+void ImageDecoder::Start() {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
+  ChromeThread::PostTask(
+     ChromeThread::IO, FROM_HERE,
+     NewRunnableMethod(
+         this, &ImageDecoder::DecodeImageInSandbox,
+         g_browser_process->resource_dispatcher_host(),
+         image_data_));
+}
+
+void ImageDecoder::OnDecodeImageSucceeded(const SkBitmap& decoded_image) {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
+  if (delegate_)
+    delegate_->OnImageDecoded(decoded_image);
+}
+
+void ImageDecoder::DecodeImageInSandbox(
+    ResourceDispatcherHost* rdh,
+    const std::vector<unsigned char>& image_data) {
+  DCHECK(ChromeThread::CurrentlyOn(ChromeThread::IO));
+  UtilityProcessHost* utility_process_host =
+      new UtilityProcessHost(rdh,
+                             this,
+                             ChromeThread::UI);
+  utility_process_host->StartImageDecoding(image_data);
+}
+
+}  // namespace chromeos
+