src/third_party/WebKit/Source/modules/push_messaging/PushPermissionClient.cpp

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "config.h"
   6 #include "modules/push_messaging/PushPermissionClient.h"
   7
   8 #include "core/dom/Document.h"
   9 #include "core/dom/ExecutionContext.h"
  10 #include "core/frame/LocalFrame.h"
  11
  12 namespace blink {
  13
  14 const char* PushPermissionClient::supplementName()
  15 {
  16     return "PushPermissionClient";
  17 }
  18
  19 PushPermissionClient* PushPermissionClient::from(ExecutionContext* context)
  20 {
  21     if (!context->isDocument())
  22         return nullptr;
  23
  24     const Document* document = toDocument(context);
  25     ASSERT(document->frame());
  26
  27     if (!document->frame()->isLocalFrame())
  28         return nullptr;
  29
  30     return static_cast<PushPermissionClient*>(WillBeHeapSupplement<LocalFrame>::from(document->frame(), supplementName()));
  31 }
  32
  33 void providePushPermissionClientTo(LocalFrame& frame, PassOwnPtrWillBeRawPtr<PushPermissionClient> client)
  34 {
  35     frame.provideSupplement(PushPermissionClient::supplementName(), client);
  36 }
  37
  38 }