Mountain Lion: use the system download progress.

chrome/browser/download/download_status_updater_win.cc

+// Copyright (c) 2012 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/download/download_status_updater.h"
+
+#include <string>
+
+#include "base/logging.h"
+#include "base/stl_util.h"
+#include "base/string_number_conversions.h"
+#include "base/win/metro.h"
+#include "googleurl/src/gurl.h"
+#include "grit/generated_resources.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace {
+
+const char kDownloadNotificationPrefix[] = "DownloadNotification";
+int g_next_notification_id = 0;
+
+}  // namespace
+
+void DownloadStatusUpdater::UpdateDownloadProgressForItemStarted(
+    content::DownloadItem* download) {
+}
+
+void DownloadStatusUpdater::UpdateDownloadProgressForItemProgressed(
+    content::DownloadItem* download) {
+}
+
+void DownloadStatusUpdater::UpdateDownloadProgressForItemCompleted(
+    content::DownloadItem* download) {
+  if (!base::win::IsMetroProcess())
+    return;
+
+  if (download->GetOpenWhenComplete() ||
+      download->ShouldOpenFileBasedOnExtension() ||
+      download->IsTemporary() ||
+      download->GetAutoOpened())
+    return;
+
+  // In Windows 8 metro mode display a metro style notification which
+  // informs the user that the download is complete.
+  HMODULE metro = base::win::GetMetroModule();
+  base::win::MetroNotification display_notification =
+      reinterpret_cast<base::win::MetroNotification>(
+          ::GetProcAddress(metro, "DisplayNotification"));
+  DCHECK(display_notification);
+  if (display_notification) {
+    string16 title = l10n_util::GetStringUTF16(
+        IDS_METRO_DOWNLOAD_COMPLETE_NOTIFICATION_TITLE);
+    string16 body = l10n_util::GetStringUTF16(
+        IDS_METRO_DOWNLOAD_COMPLETE_NOTIFICATION);
+
+    // Dummy notification id. Every metro style notification needs a
+    // unique notification id.
+    std::string notification_id = kDownloadNotificationPrefix;
+    notification_id += base::IntToString(g_next_notification_id++);
+
+    display_notification(download->GetURL().spec().c_str(),
+                         "",
+                         title.c_str(),
+                         body.c_str(),
+                         L"",
+                         notification_id.c_str());
+  }
+}