widget/GfxInfoCollector.cpp

   1 /* vim: se cin sw=2 ts=2 et : */
   2 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #include "GfxInfoCollector.h"
   9 #include "jsapi.h"
  10 #include "js/PropertyAndElement.h"  // JS_DefineProperty
  11 #include "nsString.h"
  12
  13 using namespace mozilla;
  14 using namespace widget;
  15
  16 void InfoObject::DefineProperty(const char* name, int value) {
  17   if (!mOk) return;
  18
  19   mOk = JS_DefineProperty(mCx, mObj, name, value, JSPROP_ENUMERATE);
  20 }
  21
  22 void InfoObject::DefineProperty(const char* name, const nsAString& value) {
  23   if (!mOk) return;
  24
  25   const nsString& flat = PromiseFlatString(value);
  26   JS::Rooted<JSString*> string(
  27       mCx, JS_NewUCStringCopyN(mCx, static_cast<const char16_t*>(flat.get()),
  28                                flat.Length()));
  29   if (!string) mOk = false;
  30
  31   if (!mOk) return;
  32
  33   mOk = JS_DefineProperty(mCx, mObj, name, string, JSPROP_ENUMERATE);
  34 }
  35
  36 void InfoObject::DefineProperty(const char* name, const char* value) {
  37   nsAutoString string = NS_ConvertASCIItoUTF16(value);
  38   DefineProperty(name, string);
  39 }
  40
  41 InfoObject::InfoObject(JSContext* aCx) : mCx(aCx), mObj(aCx), mOk(true) {
  42   mObj = JS_NewPlainObject(aCx);
  43   if (!mObj) mOk = false;
  44 }