зеркало из https://github.com/mozilla/gecko-dev.git
135 строки
3.6 KiB
C++
135 строки
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "xpcAccessibleSelectable.h"
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#include "Accessible-inl.h"
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using namespace mozilla::a11y;
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NS_IMETHODIMP
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xpcAccessibleSelectable::GetSelectedItems(nsIArray** aSelectedItems)
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{
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NS_ENSURE_ARG_POINTER(aSelectedItems);
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*aSelectedItems = nullptr;
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Accessible* acc = static_cast<Accessible*>(this);
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if (acc->IsDefunct())
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return NS_ERROR_FAILURE;
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NS_PRECONDITION(acc->IsSelect(), "Called on non selectable widget!");
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nsCOMPtr<nsIArray> items = acc->SelectedItems();
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if (items) {
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uint32_t length = 0;
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items->GetLength(&length);
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if (length)
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items.swap(*aSelectedItems);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleSelectable::GetSelectedItemCount(uint32_t* aSelectionCount)
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{
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NS_ENSURE_ARG_POINTER(aSelectionCount);
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*aSelectionCount = 0;
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Accessible* acc = static_cast<Accessible*>(this);
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if (acc->IsDefunct())
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return NS_ERROR_FAILURE;
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NS_PRECONDITION(acc->IsSelect(), "Called on non selectable widget!");
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*aSelectionCount = acc->SelectedItemCount();
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleSelectable::GetSelectedItemAt(uint32_t aIndex,
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nsIAccessible** aSelected)
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{
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NS_ENSURE_ARG_POINTER(aSelected);
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*aSelected = nullptr;
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Accessible* acc = static_cast<Accessible*>(this);
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if (acc->IsDefunct())
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return NS_ERROR_FAILURE;
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NS_PRECONDITION(acc->IsSelect(), "Called on non selectable widget!");
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*aSelected = acc->GetSelectedItem(aIndex);
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if (*aSelected) {
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NS_ADDREF(*aSelected);
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return NS_OK;
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}
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return NS_ERROR_INVALID_ARG;
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}
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NS_IMETHODIMP
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xpcAccessibleSelectable::ScriptableIsItemSelected(uint32_t aIndex,
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bool* aIsSelected)
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{
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NS_ENSURE_ARG_POINTER(aIsSelected);
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*aIsSelected = false;
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Accessible* acc = static_cast<Accessible*>(this);
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if (acc->IsDefunct())
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return NS_ERROR_FAILURE;
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NS_PRECONDITION(acc->IsSelect(), "Called on non selectable widget!");
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*aIsSelected = acc->IsItemSelected(aIndex);
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleSelectable::ScriptableAddItemToSelection(uint32_t aIndex)
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{
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Accessible* acc = static_cast<Accessible*>(this);
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if (acc->IsDefunct())
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return NS_ERROR_FAILURE;
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NS_PRECONDITION(acc->IsSelect(), "Called on non selectable widget!");
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return acc->AddItemToSelection(aIndex) ? NS_OK : NS_ERROR_INVALID_ARG;
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}
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NS_IMETHODIMP
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xpcAccessibleSelectable::ScriptableRemoveItemFromSelection(uint32_t aIndex)
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{
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Accessible* acc = static_cast<Accessible*>(this);
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if (acc->IsDefunct())
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return NS_ERROR_FAILURE;
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NS_PRECONDITION(acc->IsSelect(), "Called on non selectable widget!");
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return acc->RemoveItemFromSelection(aIndex) ? NS_OK : NS_ERROR_INVALID_ARG;
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}
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NS_IMETHODIMP
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xpcAccessibleSelectable::ScriptableSelectAll(bool* aIsMultiSelect)
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{
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NS_ENSURE_ARG_POINTER(aIsMultiSelect);
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*aIsMultiSelect = false;
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Accessible* acc = static_cast<Accessible*>(this);
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if (acc->IsDefunct())
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return NS_ERROR_FAILURE;
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NS_PRECONDITION(acc->IsSelect(), "Called on non selectable widget!");
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*aIsMultiSelect = acc->SelectAll();
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return NS_OK;
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}
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NS_IMETHODIMP
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xpcAccessibleSelectable::ScriptableUnselectAll()
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{
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Accessible* acc = static_cast<Accessible*>(this);
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if (acc->IsDefunct())
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return NS_ERROR_FAILURE;
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NS_PRECONDITION(acc->IsSelect(), "Called on non selectable widget!");
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acc->UnselectAll();
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return NS_OK;
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}
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