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