widget/GfxInfoCollector.cpp
author alwu <alwu@mozilla.com>
Fri, 11 Jan 2019 20:43:01 +0000
changeset 513517 c34e287f2f7ca98ad1945804c2a20f61249b36af
parent 508163 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1513733 - part2 : try to start AudioContext when media element which is as a source for web audio starts r=cpearce,karlt If media element is used as a source for AudioContext, we would try to start AudioContext which was not allowed to start when media element starts playing. Differential Revision: https://phabricator.services.mozilla.com/D14593

/* vim: se cin sw=2 ts=2 et : */
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * 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 "GfxInfoCollector.h"
#include "jsapi.h"
#include "nsString.h"

using namespace mozilla;
using namespace widget;

void InfoObject::DefineProperty(const char *name, int value) {
  if (!mOk) return;

  mOk = JS_DefineProperty(mCx, mObj, name, value, JSPROP_ENUMERATE);
}

void InfoObject::DefineProperty(const char *name, nsAString &value) {
  if (!mOk) return;

  const nsString &flat = PromiseFlatString(value);
  JS::Rooted<JSString *> string(
      mCx, JS_NewUCStringCopyN(mCx, static_cast<const char16_t *>(flat.get()),
                               flat.Length()));
  if (!string) mOk = false;

  if (!mOk) return;

  mOk = JS_DefineProperty(mCx, mObj, name, string, JSPROP_ENUMERATE);
}

void InfoObject::DefineProperty(const char *name, const char *value) {
  nsAutoString string = NS_ConvertASCIItoUTF16(value);
  DefineProperty(name, string);
}

InfoObject::InfoObject(JSContext *aCx) : mCx(aCx), mObj(aCx), mOk(true) {
  mObj = JS_NewPlainObject(aCx);
  if (!mObj) mOk = false;
}