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 15 namespace mozilla { 16 17 using namespace ipc; 18 19 namespace dom { 20 BroadcastChannelParent(const nsAString & aOriginChannelKey)21BroadcastChannelParent::BroadcastChannelParent( 22 const nsAString& aOriginChannelKey) 23 : mService(BroadcastChannelService::GetOrCreate()), 24 mOriginChannelKey(aOriginChannelKey) { 25 AssertIsOnBackgroundThread(); 26 mService->RegisterActor(this, mOriginChannelKey); 27 } 28 ~BroadcastChannelParent()29BroadcastChannelParent::~BroadcastChannelParent() { 30 AssertIsOnBackgroundThread(); 31 } 32 RecvPostMessage(const MessageData & aData)33mozilla::ipc::IPCResult BroadcastChannelParent::RecvPostMessage( 34 const MessageData& aData) { 35 AssertIsOnBackgroundThread(); 36 37 if (NS_WARN_IF(!mService)) { 38 return IPC_FAIL_NO_REASON(this); 39 } 40 41 mService->PostMessage(this, aData, mOriginChannelKey); 42 return IPC_OK(); 43 } 44 RecvClose()45mozilla::ipc::IPCResult BroadcastChannelParent::RecvClose() { 46 AssertIsOnBackgroundThread(); 47 48 if (NS_WARN_IF(!mService)) { 49 return IPC_FAIL_NO_REASON(this); 50 } 51 52 mService->UnregisterActor(this, mOriginChannelKey); 53 mService = nullptr; 54 55 Unused << Send__delete__(this); 56 57 return IPC_OK(); 58 } 59 ActorDestroy(ActorDestroyReason aWhy)60void BroadcastChannelParent::ActorDestroy(ActorDestroyReason aWhy) { 61 AssertIsOnBackgroundThread(); 62 63 if (mService) { 64 // This object is about to be released and with it, also mService will be 65 // released too. 66 mService->UnregisterActor(this, mOriginChannelKey); 67 } 68 } 69 70 } // namespace dom 71 } // namespace mozilla 72