Implement PushManager#hasPermission

content/renderer/push_messaging_dispatcher.cc

 // Copyright 2014 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/renderer/push_messaging_dispatcher.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "content/child/service_worker/web_service_worker_provider_impl.h"
 #include "content/common/push_messaging_messages.h"
 #include "content/renderer/manifest/manifest_manager.h"
@@ skipping 14 matching lines @@
     : RenderFrameObserver(render_frame) {
 }
 
 PushMessagingDispatcher::~PushMessagingDispatcher() {}
 
 bool PushMessagingDispatcher::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PushMessagingDispatcher, message)
     IPC_MESSAGE_HANDLER(PushMessagingMsg_RegisterSuccess, OnRegisterSuccess)
     IPC_MESSAGE_HANDLER(PushMessagingMsg_RegisterError, OnRegisterError)
+    IPC_MESSAGE_HANDLER(PushMessagingMsg_PermissionStatusResult,
+                        OnPermissionStatus)
+    IPC_MESSAGE_HANDLER(PushMessagingMsg_PermissionStatusFailure,
+                        OnPermissionStatusFailure)
+
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void PushMessagingDispatcher::registerPushMessaging(
     blink::WebPushRegistrationCallbacks* callbacks,
     blink::WebServiceWorkerProvider* service_worker_provider) {
   RenderFrameImpl::FromRoutingID(routing_id())->manifest_manager()->GetManifest(
       base::Bind(&PushMessagingDispatcher::DoRegister,
@@ skipping 13 matching lines @@
   Send(new PushMessagingHostMsg_Register(
       routing_id(),
       callbacks_id,
       manifest.gcm_sender_id.is_null()
           ? std::string()
           : base::UTF16ToUTF8(manifest.gcm_sender_id.string()),
       blink::WebUserGestureIndicator::isProcessingUserGesture(),
       service_worker_provider_id));
 }
 
+void PushMessagingDispatcher::getPermissionStatus(
+    blink::WebPushPermissionCallback* callback,
+    blink::WebServiceWorkerProvider* service_worker_provider) {
+  int permission_callback_id = permission_check_callbacks_.Add(callback);
+  int service_worker_provider_id = static_cast<WebServiceWorkerProviderImpl*>(
+                                       service_worker_provider)->provider_id();
+  Send(new PushMessagingHostMsg_PermissionStatus(
+      routing_id(), service_worker_provider_id, permission_callback_id));
+}
+
 void PushMessagingDispatcher::OnRegisterSuccess(
     int32 callbacks_id,
     const GURL& endpoint,
     const std::string& registration_id) {
   blink::WebPushRegistrationCallbacks* callbacks =
       registration_callbacks_.Lookup(callbacks_id);
   CHECK(callbacks);
 
   scoped_ptr<blink::WebPushRegistration> registration(
       new blink::WebPushRegistration(
           WebString::fromUTF8(endpoint.spec()),
           WebString::fromUTF8(registration_id)));
   callbacks->onSuccess(registration.release());
   registration_callbacks_.Remove(callbacks_id);
 }
 
 void PushMessagingDispatcher::OnRegisterError(int32 callbacks_id,
                                               PushRegistrationStatus status) {
   blink::WebPushRegistrationCallbacks* callbacks =
       registration_callbacks_.Lookup(callbacks_id);
   CHECK(callbacks);
 
   scoped_ptr<blink::WebPushError> error(new blink::WebPushError(
       blink::WebPushError::ErrorTypeAbort,
       WebString::fromUTF8(PushRegistrationStatusToString(status))));
   callbacks->onError(error.release());
   registration_callbacks_.Remove(callbacks_id);
 }
 
+void PushMessagingDispatcher::OnPermissionStatus(
+    int32 callback_id,
+    blink::WebPushPermissionStatus status) {
+  blink::WebPushPermissionCallback* callback =
+      permission_check_callbacks_.Lookup(callback_id);
+  DCHECK(callback);

[jam, 2014/10/29 20:08:58]

here and below, this doesn't do much. in release, it's compiled out. in debug,
the crash on the line below is just as useful

[Miguel Garcia, 2014/10/30 12:27:15]

It's kind of a nice way of saying. Hey I am callback is always there. But ok.

+  callback->onSuccess(&status);
+  permission_check_callbacks_.Remove(callback_id);
+}
+
+void PushMessagingDispatcher::OnPermissionStatusFailure(int32 callback_id) {
+  blink::WebPushPermissionCallback* callback =
+       permission_check_callbacks_.Lookup(callback_id);
+  DCHECK(callback);
+  callback->onError();
+  permission_check_callbacks_.Remove(callback_id);
+}
+
 }  // namespace content