dom/base/DOMError.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=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 "mozilla/dom/DOMError.h"
   8 #include "mozilla/dom/DOMErrorBinding.h"
   9 #include "mozilla/dom/DOMException.h"
  10 #include "mozilla/UseCounter.h"
  11 #include "mozilla/dom/Document.h"
  12 #include "nsPIDOMWindow.h"
  13
  14 namespace mozilla {
  15 namespace dom {
  16
  17 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(DOMError, mWindow)
  18 NS_IMPL_CYCLE_COLLECTING_ADDREF(DOMError)
  19 NS_IMPL_CYCLE_COLLECTING_RELEASE(DOMError)
  20 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DOMError)
  21   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
  22   NS_INTERFACE_MAP_ENTRY(DOMError)
  23   NS_INTERFACE_MAP_ENTRY(nsISupports)
  24 NS_INTERFACE_MAP_END
  25
  26 DOMError::DOMError(nsPIDOMWindowInner* aWindow) : mWindow(aWindow) {}
  27
  28 DOMError::DOMError(nsPIDOMWindowInner* aWindow, nsresult aValue)
  29     : mWindow(aWindow) {
  30   nsCString name, message;
  31   NS_GetNameAndMessageForDOMNSResult(aValue, name, message);
  32
  33   CopyUTF8toUTF16(name, mName);
  34   CopyUTF8toUTF16(message, mMessage);
  35 }
  36
  37 DOMError::DOMError(nsPIDOMWindowInner* aWindow, const nsAString& aName)
  38     : mWindow(aWindow), mName(aName) {}
  39
  40 DOMError::DOMError(nsPIDOMWindowInner* aWindow, const nsAString& aName,
  41                    const nsAString& aMessage)
  42     : mWindow(aWindow), mName(aName), mMessage(aMessage) {}
  43
  44 DOMError::~DOMError() {}
  45
  46 JSObject* DOMError::WrapObject(JSContext* aCx,
  47                                JS::Handle<JSObject*> aGivenProto) {
  48   return DOMError_Binding::Wrap(aCx, this, aGivenProto);
  49 }
  50
  51 /* static */
  52 already_AddRefed<DOMError> DOMError::Constructor(const GlobalObject& aGlobal,
  53                                                  const nsAString& aName,
  54                                                  const nsAString& aMessage,
  55                                                  ErrorResult& aRv) {
  56   nsCOMPtr<nsPIDOMWindowInner> window =
  57       do_QueryInterface(aGlobal.GetAsSupports());
  58
  59   if (window) {
  60     nsCOMPtr<Document> doc = window->GetExtantDoc();
  61     if (doc) {
  62       doc->SetDocumentAndPageUseCounter(eUseCounter_custom_DOMErrorConstructor);
  63     }
  64   }
  65
  66   // Window is null for chrome code.
  67
  68   RefPtr<DOMError> ret = new DOMError(window, aName, aMessage);
  69   return ret.forget();
  70 }
  71
  72 }  // namespace dom
  73 }  // namespace mozilla