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Diffstat (limited to '')
-rw-r--r-- | accessible/xpcom/xpcAccessibleSelectable.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/accessible/xpcom/xpcAccessibleSelectable.cpp b/accessible/xpcom/xpcAccessibleSelectable.cpp new file mode 100644 index 0000000000..1eb0cb987a --- /dev/null +++ b/accessible/xpcom/xpcAccessibleSelectable.cpp @@ -0,0 +1,121 @@ +/* -*- 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/. */ + +#include "Accessible.h" + +#include "nsComponentManagerUtils.h" +#include "nsIAccessible.h" +#include "nsIMutableArray.h" +#include "xpcAccessibleDocument.h" +#include "xpcAccessibleSelectable.h" + +using namespace mozilla::a11y; + +NS_IMETHODIMP +xpcAccessibleSelectable::GetSelectedItems(nsIArray** aSelectedItems) { + NS_ENSURE_ARG_POINTER(aSelectedItems); + *aSelectedItems = nullptr; + + if (!Intl()) return NS_ERROR_FAILURE; + MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!"); + + AutoTArray<Accessible*, 10> items; + Intl()->SelectedItems(&items); + + uint32_t itemCount = items.Length(); + if (itemCount == 0) return NS_OK; + + nsresult rv = NS_OK; + nsCOMPtr<nsIMutableArray> xpcItems = + do_CreateInstance(NS_ARRAY_CONTRACTID, &rv); + NS_ENSURE_SUCCESS(rv, rv); + + for (uint32_t idx = 0; idx < itemCount; idx++) { + xpcItems->AppendElement(static_cast<nsIAccessible*>(ToXPC(items[idx]))); + } + + NS_ADDREF(*aSelectedItems = xpcItems); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleSelectable::GetSelectedItemCount(uint32_t* aSelectionCount) { + NS_ENSURE_ARG_POINTER(aSelectionCount); + *aSelectionCount = 0; + + if (!Intl()) return NS_ERROR_FAILURE; + MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!"); + + *aSelectionCount = Intl()->SelectedItemCount(); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleSelectable::GetSelectedItemAt(uint32_t aIndex, + nsIAccessible** aSelected) { + NS_ENSURE_ARG_POINTER(aSelected); + *aSelected = nullptr; + + if (!Intl()) return NS_ERROR_FAILURE; + MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!"); + + *aSelected = ToXPC(Intl()->GetSelectedItem(aIndex)); + if (*aSelected) { + NS_ADDREF(*aSelected); + return NS_OK; + } + + return NS_ERROR_INVALID_ARG; +} + +NS_IMETHODIMP +xpcAccessibleSelectable::IsItemSelected(uint32_t aIndex, bool* aIsSelected) { + NS_ENSURE_ARG_POINTER(aIsSelected); + *aIsSelected = false; + + if (!Intl()) return NS_ERROR_FAILURE; + MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!"); + + *aIsSelected = Intl()->IsItemSelected(aIndex); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleSelectable::AddItemToSelection(uint32_t aIndex) { + if (!Intl()) return NS_ERROR_FAILURE; + MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!"); + + return Intl()->AddItemToSelection(aIndex) ? NS_OK : NS_ERROR_INVALID_ARG; +} + +NS_IMETHODIMP +xpcAccessibleSelectable::RemoveItemFromSelection(uint32_t aIndex) { + if (!Intl()) return NS_ERROR_FAILURE; + MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!"); + + return Intl()->RemoveItemFromSelection(aIndex) ? NS_OK : NS_ERROR_INVALID_ARG; +} + +NS_IMETHODIMP +xpcAccessibleSelectable::SelectAll(bool* aIsMultiSelect) { + NS_ENSURE_ARG_POINTER(aIsMultiSelect); + *aIsMultiSelect = false; + + if (!Intl()) return NS_ERROR_FAILURE; + MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!"); + + *aIsMultiSelect = Intl()->SelectAll(); + return NS_OK; +} + +NS_IMETHODIMP +xpcAccessibleSelectable::UnselectAll() { + if (!Intl()) return NS_ERROR_FAILURE; + MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!"); + + Intl()->UnselectAll(); + return NS_OK; +} |