Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "BroadcastChannelParent.h"
       8             : #include "BroadcastChannelService.h"
       9             : #include "mozilla/dom/File.h"
      10             : #include "mozilla/dom/IPCBlobUtils.h"
      11             : #include "mozilla/ipc/BackgroundParent.h"
      12             : #include "mozilla/ipc/IPCStreamUtils.h"
      13             : #include "mozilla/Unused.h"
      14             : #include "nsIScriptSecurityManager.h"
      15             : 
      16             : namespace mozilla {
      17             : 
      18             : using namespace ipc;
      19             : 
      20             : namespace dom {
      21             : 
      22           0 : BroadcastChannelParent::BroadcastChannelParent(const nsAString& aOriginChannelKey)
      23           0 :   : mService(BroadcastChannelService::GetOrCreate())
      24           0 :   , mOriginChannelKey(aOriginChannelKey)
      25             : {
      26           0 :   AssertIsOnBackgroundThread();
      27           0 :   mService->RegisterActor(this, mOriginChannelKey);
      28           0 : }
      29             : 
      30           0 : BroadcastChannelParent::~BroadcastChannelParent()
      31             : {
      32           0 :   AssertIsOnBackgroundThread();
      33           0 : }
      34             : 
      35             : mozilla::ipc::IPCResult
      36           0 : BroadcastChannelParent::RecvPostMessage(const ClonedMessageData& aData)
      37             : {
      38           0 :   AssertIsOnBackgroundThread();
      39             : 
      40           0 :   if (NS_WARN_IF(!mService)) {
      41           0 :     return IPC_FAIL_NO_REASON(this);
      42             :   }
      43             : 
      44           0 :   mService->PostMessage(this, aData, mOriginChannelKey);
      45           0 :   return IPC_OK();
      46             : }
      47             : 
      48             : mozilla::ipc::IPCResult
      49           0 : BroadcastChannelParent::RecvClose()
      50             : {
      51           0 :   AssertIsOnBackgroundThread();
      52             : 
      53           0 :   if (NS_WARN_IF(!mService)) {
      54           0 :     return IPC_FAIL_NO_REASON(this);
      55             :   }
      56             : 
      57           0 :   mService->UnregisterActor(this, mOriginChannelKey);
      58           0 :   mService = nullptr;
      59             : 
      60           0 :   Unused << Send__delete__(this);
      61             : 
      62           0 :   return IPC_OK();
      63             : }
      64             : 
      65             : void
      66           0 : BroadcastChannelParent::ActorDestroy(ActorDestroyReason aWhy)
      67             : {
      68           0 :   AssertIsOnBackgroundThread();
      69             : 
      70           0 :   if (mService) {
      71             :     // This object is about to be released and with it, also mService will be
      72             :     // released too.
      73           0 :     mService->UnregisterActor(this, mOriginChannelKey);
      74             :   }
      75           0 : }
      76             : 
      77             : } // namespace dom
      78             : } // namespace mozilla