diff options
Diffstat (limited to 'accessible/atk/nsMaiInterfaceSelection.cpp')
-rw-r--r-- | accessible/atk/nsMaiInterfaceSelection.cpp | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/accessible/atk/nsMaiInterfaceSelection.cpp b/accessible/atk/nsMaiInterfaceSelection.cpp new file mode 100644 index 000000000..2ce63a451 --- /dev/null +++ b/accessible/atk/nsMaiInterfaceSelection.cpp @@ -0,0 +1,152 @@ +/* -*- 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 "InterfaceInitFuncs.h" + +#include "Accessible-inl.h" +#include "AccessibleWrap.h" +#include "nsMai.h" +#include "ProxyAccessible.h" +#include "mozilla/Likely.h" + +#include <atk/atk.h> + +using namespace mozilla::a11y; + +extern "C" { + +static gboolean +addSelectionCB(AtkSelection *aSelection, gint i) +{ + AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection)); + if (accWrap && accWrap->IsSelect()) { + return accWrap->AddItemToSelection(i); + } + + if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) { + return proxy->AddItemToSelection(i); + } + + return FALSE; +} + +static gboolean +clearSelectionCB(AtkSelection *aSelection) +{ + AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection)); + if (accWrap && accWrap->IsSelect()) { + return accWrap->UnselectAll(); + } + + if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) { + return proxy->UnselectAll(); + } + + return FALSE; +} + +static AtkObject* +refSelectionCB(AtkSelection *aSelection, gint i) +{ + AtkObject* atkObj = nullptr; + AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection)); + if (accWrap && accWrap->IsSelect()) { + Accessible* selectedItem = accWrap->GetSelectedItem(i); + if (!selectedItem) { + return nullptr; + } + + atkObj = AccessibleWrap::GetAtkObject(selectedItem); + } else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) { + ProxyAccessible* selectedItem = proxy->GetSelectedItem(i); + if (selectedItem) { + atkObj = GetWrapperFor(selectedItem); + } + } + + if (atkObj) { + g_object_ref(atkObj); + } + + return atkObj; +} + +static gint +getSelectionCountCB(AtkSelection *aSelection) +{ + AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection)); + if (accWrap && accWrap->IsSelect()) { + return accWrap->SelectedItemCount(); + } + + if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) { + return proxy->SelectedItemCount(); + } + + return -1; +} + +static gboolean +isChildSelectedCB(AtkSelection *aSelection, gint i) +{ + AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection)); + if (accWrap && accWrap->IsSelect()) { + return accWrap->IsItemSelected(i); + } + + if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) { + return proxy->IsItemSelected(i); + } + + return FALSE; +} + +static gboolean +removeSelectionCB(AtkSelection *aSelection, gint i) +{ + AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection)); + if (accWrap && accWrap->IsSelect()) { + return accWrap->RemoveItemFromSelection(i); + } + + if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) { + return proxy->RemoveItemFromSelection(i); + } + + return FALSE; +} + +static gboolean +selectAllSelectionCB(AtkSelection *aSelection) +{ + AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection)); + if (accWrap && accWrap->IsSelect()) { + return accWrap->SelectAll(); + } + + if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aSelection))) { + return proxy->SelectAll(); + } + + return FALSE; +} +} + +void +selectionInterfaceInitCB(AtkSelectionIface* aIface) +{ + NS_ASSERTION(aIface, "Invalid aIface"); + if (MOZ_UNLIKELY(!aIface)) + return; + + aIface->add_selection = addSelectionCB; + aIface->clear_selection = clearSelectionCB; + aIface->ref_selection = refSelectionCB; + aIface->get_selection_count = getSelectionCountCB; + aIface->is_child_selected = isChildSelectedCB; + aIface->remove_selection = removeSelectionCB; + aIface->select_all_selection = selectAllSelectionCB; +} |