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Diffstat (limited to '')
-rw-r--r-- | accessible/ipc/other/RemoteAccessible.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/accessible/ipc/other/RemoteAccessible.h b/accessible/ipc/other/RemoteAccessible.h new file mode 100644 index 0000000000..57ba4db328 --- /dev/null +++ b/accessible/ipc/other/RemoteAccessible.h @@ -0,0 +1,107 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* 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/. */ + +#ifndef mozilla_a11y_RemoteAccessible_h +#define mozilla_a11y_RemoteAccessible_h + +#include "LocalAccessible.h" +#include "mozilla/a11y/RemoteAccessibleBase.h" +#include "mozilla/a11y/Role.h" +#include "nsIAccessibleText.h" +#include "nsIAccessibleTypes.h" +#include "nsString.h" +#include "nsTArray.h" +#include "nsRect.h" + +namespace mozilla { +namespace a11y { + +/** + * Functionality common across Linux and macOS for an accessibility tree node + * that originated in the parent process. + */ +class RemoteAccessible : public RemoteAccessibleBase<RemoteAccessible> { + public: + RemoteAccessible(uint64_t aID, RemoteAccessible* aParent, + DocAccessibleParent* aDoc, role aRole, AccType aType, + AccGenericType aGenericTypes, uint8_t aRoleMapEntryIndex) + : RemoteAccessibleBase(aID, aParent, aDoc, aRole, aType, aGenericTypes, + aRoleMapEntryIndex) { + MOZ_COUNT_CTOR(RemoteAccessible); + } + + MOZ_COUNTED_DTOR(RemoteAccessible) + +#include "mozilla/a11y/RemoteAccessibleShared.h" + + virtual uint32_t CharacterCount() const override; + + LayoutDeviceIntRect TextBounds( + int32_t aStartOffset, int32_t aEndOffset, + uint32_t aCoordType = + nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE) override; + + LayoutDeviceIntRect CharBounds(int32_t aOffset, uint32_t aCoordType) override; + + virtual already_AddRefed<AccAttributes> TextAttributes( + bool aIncludeDefAttrs, int32_t aOffset, int32_t* aStartOffset, + int32_t* aEndOffset) override; + + virtual already_AddRefed<AccAttributes> DefaultTextAttributes() override; + + virtual uint32_t StartOffset() override; + virtual uint32_t EndOffset() override; + + virtual int32_t LinkIndexAtOffset(uint32_t aOffset) override; + + virtual bool DoAction(uint8_t aIndex) const override; + virtual uint8_t ActionCount() const override; + virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override; + virtual KeyBinding AccessKey() const override; + + virtual void SelectedItems(nsTArray<Accessible*>* aSelectedItems) override; + virtual uint32_t SelectedItemCount() override; + virtual Accessible* GetSelectedItem(uint32_t aIndex) override; + virtual bool IsItemSelected(uint32_t aIndex) override; + virtual bool AddItemToSelection(uint32_t aIndex) override; + virtual bool RemoveItemFromSelection(uint32_t aIndex) override; + virtual bool SelectAll() override; + virtual bool UnselectAll() override; + + virtual nsAtom* LandmarkRole() const override; + + virtual int32_t SelectionCount() override; + + using RemoteAccessibleBase<RemoteAccessible>::SelectionBoundsAt; + bool SelectionBoundsAt(int32_t aSelectionNum, nsString& aData, + int32_t* aStartOffset, int32_t* aEndOffset); + + virtual bool TableIsProbablyForLayout() override; + + /** + * Get all relations for this accessible. + */ + void Relations(nsTArray<RelationType>* aTypes, + nsTArray<nsTArray<RemoteAccessible*>>* aTargetSets) const; + + protected: + explicit RemoteAccessible(DocAccessibleParent* aThisAsDoc) + : RemoteAccessibleBase(aThisAsDoc) { + MOZ_COUNT_CTOR(RemoteAccessible); + } +}; + +//////////////////////////////////////////////////////////////////////////////// +// RemoteAccessible downcasting method + +inline RemoteAccessible* Accessible::AsRemote() { + return IsRemote() ? static_cast<RemoteAccessible*>(this) : nullptr; +} + +} // namespace a11y +} // namespace mozilla + +#endif |