222 lines
7.3 KiB
C++
222 lines
7.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:expandtab:shiftwidth=4:tabstop=4:
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*/
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Sun Microsystems, Inc.
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* Portions created by Sun Microsystems are Copyright (C) 2002 Sun
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* Microsystems, Inc. All Rights Reserved.
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*
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* Original Author: Silvia Zhao (silvia.zhao@sun.com)
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsMaiInterfaceSelection.h"
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G_BEGIN_DECLS
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/* selection interface callbacks */
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static void interfaceInitCB(AtkSelectionIface *aIface);
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static gboolean addSelectionCB(AtkSelection *aSelection,
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gint i);
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static gboolean clearSelectionCB(AtkSelection *aSelection);
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static AtkObject *refSelectionCB(AtkSelection *aSelection,
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gint i);
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static gint getSelectionCountCB(AtkSelection *aSelection);
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static gboolean isChildSelectedCB(AtkSelection *aSelection,
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gint i);
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static gboolean removeSelectionCB(AtkSelection *aSelection,
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gint i);
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static gboolean selectAllSelectionCB(AtkSelection *aSelection);
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G_END_DECLS
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MaiInterfaceSelection::MaiInterfaceSelection(nsAccessibleWrap* aAccWrap):
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MaiInterface(aAccWrap)
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{
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}
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MaiInterfaceSelection::~MaiInterfaceSelection()
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{
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}
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MaiInterfaceType
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MaiInterfaceSelection::GetType()
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{
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return MAI_INTERFACE_SELECTION;
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}
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const GInterfaceInfo *
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MaiInterfaceSelection::GetInterfaceInfo()
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{
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static const GInterfaceInfo atk_if_selection_info = {
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(GInterfaceInitFunc) interfaceInitCB,
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(GInterfaceFinalizeFunc) NULL,
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NULL
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};
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return &atk_if_selection_info;
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}
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/* static functions */
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void
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interfaceInitCB(AtkSelectionIface *aIface)
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{
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NS_ASSERTION(aIface, "Invalid aIface");
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if (!aIface)
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return;
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aIface->add_selection = addSelectionCB;
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aIface->clear_selection = clearSelectionCB;
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aIface->ref_selection = refSelectionCB;
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aIface->get_selection_count = getSelectionCountCB;
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aIface->is_child_selected = isChildSelectedCB;
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aIface->remove_selection = removeSelectionCB;
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aIface->select_all_selection = selectAllSelectionCB;
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}
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gboolean
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addSelectionCB(AtkSelection *aSelection, gint i)
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{
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nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
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NS_ENSURE_TRUE(accWrap, FALSE);
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nsCOMPtr<nsIAccessibleSelectable> accSelection;
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accWrap->QueryInterface(NS_GET_IID(nsIAccessibleSelectable),
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getter_AddRefs(accSelection));
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NS_ENSURE_TRUE(accSelection, FALSE);
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return NS_SUCCEEDED(accSelection->AddChildToSelection(i));
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}
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gboolean
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clearSelectionCB(AtkSelection *aSelection)
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{
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nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
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NS_ENSURE_TRUE(accWrap, FALSE);
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nsCOMPtr<nsIAccessibleSelectable> accSelection;
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accWrap->QueryInterface(NS_GET_IID(nsIAccessibleSelectable),
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getter_AddRefs(accSelection));
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NS_ENSURE_TRUE(accSelection, FALSE);
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return NS_SUCCEEDED(accSelection->ClearSelection());
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}
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AtkObject *
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refSelectionCB(AtkSelection *aSelection, gint i)
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{
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nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
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NS_ENSURE_TRUE(accWrap, nsnull);
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nsCOMPtr<nsIAccessibleSelectable> accSelection;
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accWrap->QueryInterface(NS_GET_IID(nsIAccessibleSelectable),
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getter_AddRefs(accSelection));
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NS_ENSURE_TRUE(accSelection, nsnull);
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AtkObject *atkObj = nsnull;
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nsCOMPtr<nsIAccessible> accSelect;
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nsresult rv = accSelection->RefSelection(i, getter_AddRefs(accSelect));
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if (NS_SUCCEEDED(rv) && accSelect) {
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nsIAccessible *tmpAcc = accSelect;
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nsAccessibleWrap *refAccWrap =
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NS_STATIC_CAST(nsAccessibleWrap *, tmpAcc);
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atkObj = refAccWrap->GetAtkObject();
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if (atkObj)
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g_object_ref(atkObj);
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}
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return atkObj;
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}
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gint
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getSelectionCountCB(AtkSelection *aSelection)
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{
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nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
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NS_ENSURE_TRUE(accWrap, -1);
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nsCOMPtr<nsIAccessibleSelectable> accSelection;
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accWrap->QueryInterface(NS_GET_IID(nsIAccessibleSelectable),
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getter_AddRefs(accSelection));
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NS_ENSURE_TRUE(accSelection, -1);
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PRInt32 num = 0;
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nsresult rv = accSelection->GetSelectionCount(&num);
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return (NS_FAILED(rv)) ? -1 : num;
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}
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gboolean
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isChildSelectedCB(AtkSelection *aSelection, gint i)
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{
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nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
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NS_ENSURE_TRUE(accWrap, FALSE);
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nsCOMPtr<nsIAccessibleSelectable> accSelection;
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accWrap->QueryInterface(NS_GET_IID(nsIAccessibleSelectable),
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getter_AddRefs(accSelection));
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NS_ENSURE_TRUE(accSelection, FALSE);
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PRBool result = FALSE;
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nsresult rv = accSelection->IsChildSelected(i, &result);
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return (NS_FAILED(rv)) ? FALSE : result;
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}
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gboolean
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removeSelectionCB(AtkSelection *aSelection, gint i)
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{
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nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
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NS_ENSURE_TRUE(accWrap, FALSE);
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nsCOMPtr<nsIAccessibleSelectable> accSelection;
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accWrap->QueryInterface(NS_GET_IID(nsIAccessibleSelectable),
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getter_AddRefs(accSelection));
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NS_ENSURE_TRUE(accSelection, FALSE);
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nsresult rv = accSelection->RemoveChildFromSelection(i);
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return (NS_FAILED(rv)) ? FALSE : TRUE;
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}
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gboolean
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selectAllSelectionCB(AtkSelection *aSelection)
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{
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nsAccessibleWrap *accWrap = GetAccessibleWrap(ATK_OBJECT(aSelection));
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NS_ENSURE_TRUE(accWrap, FALSE);
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nsCOMPtr<nsIAccessibleSelectable> accSelection;
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accWrap->QueryInterface(NS_GET_IID(nsIAccessibleSelectable),
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getter_AddRefs(accSelection));
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NS_ENSURE_TRUE(accSelection, FALSE);
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PRBool result = FALSE;
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nsresult rv = accSelection->SelectAllSelection(&result);
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return (NS_FAILED(rv)) ? FALSE : result;
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}
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