tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

LocalAccessible-inl.h (2987B)

      1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      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 #ifndef mozilla_a11y_Accessible_inl_h_
      8 #define mozilla_a11y_Accessible_inl_h_
      9 
     10 #include "DocAccessible.h"
     11 #include "ARIAMap.h"
     12 #include "nsCoreUtils.h"
     13 #include "mozilla/dom/Element.h"
     14 #include "mozilla/PresShell.h"
     15 
     16 #ifdef A11Y_LOG
     17 #  include "Logging.h"
     18 #endif
     19 
     20 namespace mozilla {
     21 namespace a11y {
     22 
     23 inline mozilla::a11y::role LocalAccessible::ARIARole() {
     24  const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
     25  if (!roleMapEntry || roleMapEntry->roleRule != kUseMapRole) {
     26    return mozilla::a11y::roles::NOTHING;
     27  }
     28 
     29  return ARIATransformRole(roleMapEntry->role);
     30 }
     31 
     32 inline void LocalAccessible::SetRoleMapEntry(
     33    const nsRoleMapEntry* aRoleMapEntry) {
     34  mRoleMapEntryIndex = aria::GetIndexFromRoleMap(aRoleMapEntry);
     35 }
     36 
     37 inline bool LocalAccessible::NativeHasNumericValue() const {
     38  return mGenericTypes & eNumericValue;
     39 }
     40 
     41 inline bool LocalAccessible::ARIAHasNumericValue() const {
     42  const nsRoleMapEntry* roleMapEntry = ARIARoleMap();
     43  if (!roleMapEntry || roleMapEntry->valueRule == eNoValue) return false;
     44 
     45  if (roleMapEntry->valueRule == eHasValueMinMaxIfFocusable) {
     46    return InteractiveState() & states::FOCUSABLE;
     47  }
     48 
     49  return true;
     50 }
     51 
     52 inline bool LocalAccessible::HasNumericValue() const {
     53  return NativeHasNumericValue() || ARIAHasNumericValue();
     54 }
     55 
     56 inline bool LocalAccessible::IsDefunct() const {
     57  MOZ_ASSERT(mStateFlags & eIsDefunct || IsApplication() || IsDoc() ||
     58                 mStateFlags & eSharedNode || mContent,
     59             "No content");
     60  return mStateFlags & eIsDefunct;
     61 }
     62 
     63 inline void LocalAccessible::ScrollTo(uint32_t aHow) const {
     64  if (mContent) {
     65    RefPtr<PresShell> presShell = mDoc->PresShellPtr();
     66    nsCOMPtr<nsIContent> content = mContent;
     67    nsCoreUtils::ScrollTo(presShell, content, aHow);
     68  }
     69 }
     70 
     71 inline bool LocalAccessible::InsertAfter(LocalAccessible* aNewChild,
     72                                         LocalAccessible* aRefChild) {
     73  MOZ_ASSERT(aNewChild, "No new child to insert");
     74 
     75  if (aRefChild && aRefChild->LocalParent() != this) {
     76 #ifdef A11Y_LOG
     77    logging::TreeInfo("broken accessible tree", 0, "parent", this,
     78                      "prev sibling parent", aRefChild->LocalParent(), "child",
     79                      aNewChild, nullptr);
     80    if (logging::IsEnabled(logging::eVerbose)) {
     81      logging::Tree("TREE", "Document tree", mDoc);
     82      logging::DOMTree("TREE", "DOM document tree", mDoc);
     83    }
     84 #endif
     85    MOZ_ASSERT_UNREACHABLE("Broken accessible tree");
     86    mDoc->UnbindFromDocument(aNewChild);
     87    return false;
     88  }
     89 
     90  return InsertChildAt(aRefChild ? aRefChild->IndexInParent() + 1 : 0,
     91                       aNewChild);
     92 }
     93 
     94 }  // namespace a11y
     95 }  // namespace mozilla
     96 
     97 #endif