dom/bluetooth/BluetoothReplyRunnable.cpp

   1 /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
   2 /* vim: set ts=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 file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "base/basictypes.h"
   8 #include "BluetoothReplyRunnable.h"
   9 #include "DOMRequest.h"
  10 #include "mozilla/dom/ScriptSettings.h"
  11 #include "mozilla/dom/bluetooth/BluetoothTypes.h"
  12 #include "nsServiceManagerUtils.h"
  13
  14 USING_BLUETOOTH_NAMESPACE
  15
  16 BluetoothReplyRunnable::BluetoothReplyRunnable(nsIDOMDOMRequest* aReq)
  17   : mDOMRequest(aReq)
  18 {}
  19
  20 void
  21 BluetoothReplyRunnable::SetReply(BluetoothReply* aReply)
  22 {
  23   mReply = aReply;
  24 }
  25
  26 void
  27 BluetoothReplyRunnable::ReleaseMembers()
  28 {
  29   mDOMRequest = nullptr;
  30 }
  31
  32 BluetoothReplyRunnable::~BluetoothReplyRunnable()
  33 {}
  34
  35 nsresult
  36 BluetoothReplyRunnable::FireReply(JS::Handle<JS::Value> aVal)
  37 {
  38   nsCOMPtr<nsIDOMRequestService> rs =
  39     do_GetService(DOMREQUEST_SERVICE_CONTRACTID);
  40   NS_ENSURE_TRUE(rs, NS_ERROR_FAILURE);
  41
  42   return mReply->type() == BluetoothReply::TBluetoothReplySuccess ?
  43     rs->FireSuccessAsync(mDOMRequest, aVal) :
  44     rs->FireErrorAsync(mDOMRequest, mReply->get_BluetoothReplyError().error());
  45 }
  46
  47 nsresult
  48 BluetoothReplyRunnable::FireErrorString()
  49 {
  50   nsCOMPtr<nsIDOMRequestService> rs =
  51     do_GetService("@mozilla.org/dom/dom-request-service;1");
  52   NS_ENSURE_TRUE(rs, NS_ERROR_FAILURE);
  53
  54   return rs->FireErrorAsync(mDOMRequest, mErrorString);
  55 }
  56
  57 NS_IMETHODIMP
  58 BluetoothReplyRunnable::Run()
  59 {
  60   MOZ_ASSERT(NS_IsMainThread());
  61   MOZ_ASSERT(mDOMRequest);
  62   MOZ_ASSERT(mReply);
  63
  64   nsresult rv;
  65
  66   AutoSafeJSContext cx;
  67   JS::Rooted<JS::Value> v(cx, JSVAL_VOID);
  68
  69   if (mReply->type() != BluetoothReply::TBluetoothReplySuccess) {
  70     rv = FireReply(v);
  71   } else {
  72     if (!ParseSuccessfulReply(&v)) {
  73       rv = FireErrorString();
  74     } else {
  75       rv = FireReply(v);
  76     }
  77   }
  78
  79   if (NS_FAILED(rv)) {
  80     BT_WARNING("Could not fire DOMRequest!");
  81   }
  82
  83   ReleaseMembers();
  84   MOZ_ASSERT(!mDOMRequest,
  85              "mDOMRequest still alive! Deriving class should call "
  86              "BluetoothReplyRunnable::ReleaseMembers()!");
  87
  88   return rv;
  89 }
  90
  91 BluetoothVoidReplyRunnable::BluetoothVoidReplyRunnable(nsIDOMDOMRequest* aReq)
  92   : BluetoothReplyRunnable(aReq)
  93 {}
  94
  95 BluetoothVoidReplyRunnable::~BluetoothVoidReplyRunnable()
  96 {}
  97