File: BroadcastChannelParent.cpp

package info (click to toggle)
firefox 143.0.3-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 4,617,328 kB
  • sloc: cpp: 7,478,492; javascript: 6,417,157; ansic: 3,720,058; python: 1,396,372; xml: 627,523; asm: 438,677; java: 186,156; sh: 63,477; makefile: 19,171; objc: 13,059; perl: 12,983; yacc: 4,583; cs: 3,846; pascal: 3,405; lex: 1,720; ruby: 1,003; exp: 762; php: 436; lisp: 258; awk: 247; sql: 66; sed: 53; csh: 10
file content (72 lines) | stat: -rw-r--r-- 1,913 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "BroadcastChannelParent.h"

#include "BroadcastChannelService.h"
#include "mozilla/Unused.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/IPCBlobUtils.h"
#include "mozilla/ipc/BackgroundParent.h"
#include "mozilla/ipc/IPCStreamUtils.h"

namespace mozilla {

using namespace ipc;

namespace dom {

BroadcastChannelParent::BroadcastChannelParent(
    const nsAString& aOriginChannelKey)
    : mService(BroadcastChannelService::GetOrCreate()),
      mOriginChannelKey(aOriginChannelKey) {
  AssertIsOnBackgroundThread();
  mService->RegisterActor(this, mOriginChannelKey);
}

BroadcastChannelParent::~BroadcastChannelParent() {
  AssertIsOnBackgroundThread();
}

mozilla::ipc::IPCResult BroadcastChannelParent::RecvPostMessage(
    const MessageData& aData) {
  AssertIsOnBackgroundThread();

  if (NS_WARN_IF(!mService)) {
    return IPC_FAIL_NO_REASON(this);
  }

  mService->PostMessage(this, aData, mOriginChannelKey);
  return IPC_OK();
}

mozilla::ipc::IPCResult BroadcastChannelParent::RecvClose() {
  AssertIsOnBackgroundThread();

  if (NS_WARN_IF(!mService)) {
    return IPC_FAIL_NO_REASON(this);
  }

  mService->UnregisterActor(this, mOriginChannelKey);
  mService = nullptr;

  Unused << Send__delete__(this);

  return IPC_OK();
}

void BroadcastChannelParent::ActorDestroy(ActorDestroyReason aWhy) {
  AssertIsOnBackgroundThread();

  if (mService) {
    // This object is about to be released and with it, also mService will be
    // released too.
    mService->UnregisterActor(this, mOriginChannelKey);
  }
}

}  // namespace dom
}  // namespace mozilla