tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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AccessibleWrap.mm (1456B)

      1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* This Source Code Form is subject to the terms of the Mozilla Public
      3 * License, v. 2.0. If a copy of the MPL was not distributed with this
      4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      5 
      6 #include "AccessibleWrap.h"
      7 #include "LocalAccessible-inl.h"
      8 
      9 #import "MUIAccessible.h"
     10 #import "MUIRootAccessible.h"
     11 
     12 using namespace mozilla::a11y;
     13 
     14 //-----------------------------------------------------
     15 // construction
     16 //-----------------------------------------------------
     17 AccessibleWrap::AccessibleWrap(nsIContent* aContent, DocAccessible* aDoc)
     18    : LocalAccessible(aContent, aDoc),
     19      mNativeObject(nil),
     20      mNativeInited(false) {}
     21 
     22 void AccessibleWrap::Shutdown() {
     23  // this ensures we will not try to re-create the native object.
     24  mNativeInited = true;
     25 
     26  // we really intend to access the member directly.
     27  if (mNativeObject) {
     28    [mNativeObject expire];
     29    [mNativeObject release];
     30    mNativeObject = nil;
     31  }
     32 
     33  LocalAccessible::Shutdown();
     34 }
     35 
     36 id AccessibleWrap::GetNativeObject() {
     37  if (!mNativeInited && !IsDefunct()) {
     38    Class type = IsRoot() ? [MUIRootAccessible class] : [MUIAccessible class];
     39    mNativeObject = [[type alloc] initWithAccessible:this];
     40  }
     41 
     42  mNativeInited = true;
     43 
     44  return mNativeObject;
     45 }
     46 
     47 void AccessibleWrap::GetNativeInterface(void** aOutInterface) {
     48  *aOutInterface = static_cast<void*>(GetNativeObject());
     49 }