Implementation of the "Redirect URLs to Packaged Apps" feature.

content/browser/renderer_host/extension_system_message_filter.cc

Index: content/browser/renderer_host/extension_system_message_filter.cc
diff --git a/content/browser/renderer_host/extension_system_message_filter.cc b/content/browser/renderer_host/extension_system_message_filter.cc
new file mode 100644
index 0000000000000000000000000000000000000000..743a4b4470840491d71b08cf88d1922c0007eef1
--- /dev/null
+++ b/content/browser/renderer_host/extension_system_message_filter.cc
@@ -0,0 +1,67 @@
+// Copyright (c) 2013 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 "content/browser/renderer_host/extension_system_message_filter.h"
+
+#include "content/public/browser/browser_message_filter.h"
+#include "content/public/browser/extension_system_notifications.h"
+#include "content/public/browser/notification_service.h"
+#include "content/public/browser/notification_source.h"
+#include "content/public/browser/notification_types.h"
+#include "content/public/browser/render_process_host.h"
+#include "content/public/common/extension_system_messages.h"
+#include "googleurl/src/gurl.h"
+#include "ipc/ipc_message_macros.h"
+#include "content/public/browser/browser_thread.h"
+
+namespace content {
+
+ExtensionSystemMessageFilter::ExtensionSystemMessageFilter(
+    RenderProcessHost* render_process_host)
+  : render_process_host_(render_process_host) {
+}
+
+bool ExtensionSystemMessageFilter::OnMessageReceived(
+    const IPC::Message& message,
+    bool* message_was_ok) {
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP_EX(ExtensionSystemMessageFilter,
+                           message, *message_was_ok)
+    IPC_MESSAGE_HANDLER(ExtensionSystemMsg_LaunchAppWithUrl,

[Charlie Reis, 2013/08/26 22:17:52]

Same with apps.  Is there a way to move this to chrome/?

[sergeygs, 2013/08/29 08:24:42]

Changed the naming to reflect the actual nature of what's happening here.
On 2013/08/26 22:17:52, creis wrote:

+                        OnLaunchAppWithUrl)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP_EX()
+
+  return handled;
+}
+
+ExtensionSystemMessageFilter::~ExtensionSystemMessageFilter() {
+}
+
+bool ExtensionSystemMessageFilter::OnLaunchAppWithUrl(
+    const std::string& app_id,
+    const std::string& handler_id,
+    const GURL& url,
+    const GURL& referrer_url) {
+  LaunchAppWithUrlDetails details(app_id, handler_id, url, referrer_url);
+  NotificationService::current()->Notify(
+      content::NOTIFICATION_LAUNCH_APP_WITH_URL,
+      Source<RenderProcessHost>(render_process_host_),
+      Details<LaunchAppWithUrlDetails>(&details));
+
+  return true;
+}
+
+void ExtensionSystemMessageFilter::OverrideThreadForMessage(
+    const IPC::Message& message, BrowserThread::ID* thread) {
+  switch (message.type()) {
+    case ExtensionSystemMsg_LaunchAppWithUrl::ID:
+      *thread = BrowserThread::UI;
+      break;
+    default:
+      break;
+  }
+}
+
+}