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accessible/src/atk/nsMaiInterfaceAction.cpp@97036ab72558 (annotated)

accessible/src/atk/nsMaiInterfaceAction.cpp

Tue, 06 Jan 2015 21:39:09 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Tue, 06 Jan 2015 21:39:09 +0100

branch

TOR_BUG_9701

changeset 8

97036ab72558

permissions

-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0	1	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0	2	/* vim: set ts=2 et sw=2 tw=80: */
michael@0	3	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	4	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	5	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	#include "InterfaceInitFuncs.h"
michael@0	8
michael@0	9	#include "Accessible-inl.h"
michael@0	10	#include "nsMai.h"
michael@0	11	#include "Role.h"
michael@0	12	#include "mozilla/Likely.h"
michael@0	13
michael@0	14	#include "nsString.h"
michael@0	15
michael@0	16	using namespace mozilla::a11y;
michael@0	17
michael@0	18	extern "C" {
michael@0	19
michael@0	20	static gboolean
michael@0	21	doActionCB(AtkAction *aAction, gint aActionIndex)
michael@0	22	{
michael@0	23	AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
michael@0	24	if (!accWrap)
michael@0	25	return FALSE;
michael@0	26
michael@0	27	nsresult rv = accWrap->DoAction(aActionIndex);
michael@0	28	return (NS_FAILED(rv)) ? FALSE : TRUE;
michael@0	29	}
michael@0	30
michael@0	31	static gint
michael@0	32	getActionCountCB(AtkAction *aAction)
michael@0	33	{
michael@0	34	AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
michael@0	35	return accWrap ? accWrap->ActionCount() : 0;
michael@0	36	}
michael@0	37
michael@0	38	static const gchar*
michael@0	39	getActionDescriptionCB(AtkAction *aAction, gint aActionIndex)
michael@0	40	{
michael@0	41	AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
michael@0	42	if (!accWrap)
michael@0	43	return nullptr;
michael@0	44
michael@0	45	nsAutoString description;
michael@0	46	nsresult rv = accWrap->GetActionDescription(aActionIndex, description);
michael@0	47	NS_ENSURE_SUCCESS(rv, nullptr);
michael@0	48	return AccessibleWrap::ReturnString(description);
michael@0	49	}
michael@0	50
michael@0	51	static const gchar*
michael@0	52	getActionNameCB(AtkAction *aAction, gint aActionIndex)
michael@0	53	{
michael@0	54	AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aAction));
michael@0	55	if (!accWrap)
michael@0	56	return nullptr;
michael@0	57
michael@0	58	nsAutoString autoStr;
michael@0	59	nsresult rv = accWrap->GetActionName(aActionIndex, autoStr);
michael@0	60	NS_ENSURE_SUCCESS(rv, nullptr);
michael@0	61	return AccessibleWrap::ReturnString(autoStr);
michael@0	62	}
michael@0	63
michael@0	64	static const gchar*
michael@0	65	getKeyBindingCB(AtkAction *aAction, gint aActionIndex)
michael@0	66	{
michael@0	67	AccessibleWrap* acc = GetAccessibleWrap(ATK_OBJECT(aAction));
michael@0	68	if (!acc)
michael@0	69	return nullptr;
michael@0	70
michael@0	71	// Return all key bindings including access key and keyboard shortcut.
michael@0	72	nsAutoString keyBindingsStr;
michael@0	73
michael@0	74	// Get access key.
michael@0	75	KeyBinding keyBinding = acc->AccessKey();
michael@0	76	if (!keyBinding.IsEmpty()) {
michael@0	77	keyBinding.AppendToString(keyBindingsStr, KeyBinding::eAtkFormat);
michael@0	78
michael@0	79	Accessible* parent = acc->Parent();
michael@0	80	roles::Role role = parent ? parent->Role() : roles::NOTHING;
michael@0	81	if (role == roles::PARENT_MENUITEM || role == roles::MENUITEM ||
michael@0	82	role == roles::RADIO_MENU_ITEM || role == roles::CHECK_MENU_ITEM) {
michael@0	83	// It is submenu, expose keyboard shortcuts from menu hierarchy like
michael@0	84	// "s;<Alt>f:s"
michael@0	85	nsAutoString keysInHierarchyStr = keyBindingsStr;
michael@0	86	do {
michael@0	87	KeyBinding parentKeyBinding = parent->AccessKey();
michael@0	88	if (!parentKeyBinding.IsEmpty()) {
michael@0	89	nsAutoString str;
michael@0	90	parentKeyBinding.ToString(str, KeyBinding::eAtkFormat);
michael@0	91	str.Append(':');
michael@0	92
michael@0	93	keysInHierarchyStr.Insert(str, 0);
michael@0	94	}
michael@0	95	} while ((parent = parent->Parent()) && parent->Role() != roles::MENUBAR);
michael@0	96
michael@0	97	keyBindingsStr.Append(';');
michael@0	98	keyBindingsStr.Append(keysInHierarchyStr);
michael@0	99	}
michael@0	100	} else {
michael@0	101	// No access key, add ';' to point this.
michael@0	102	keyBindingsStr.Append(';');
michael@0	103	}
michael@0	104
michael@0	105	// Get keyboard shortcut.
michael@0	106	keyBindingsStr.Append(';');
michael@0	107	keyBinding = acc->KeyboardShortcut();
michael@0	108	if (!keyBinding.IsEmpty()) {
michael@0	109	keyBinding.AppendToString(keyBindingsStr, KeyBinding::eAtkFormat);
michael@0	110	}
michael@0	111
michael@0	112	return AccessibleWrap::ReturnString(keyBindingsStr);
michael@0	113	}
michael@0	114	}
michael@0	115
michael@0	116	void
michael@0	117	actionInterfaceInitCB(AtkActionIface* aIface)
michael@0	118	{
michael@0	119	NS_ASSERTION(aIface, "Invalid aIface");
michael@0	120	if (MOZ_UNLIKELY(!aIface))
michael@0	121	return;
michael@0	122
michael@0	123	aIface->do_action = doActionCB;
michael@0	124	aIface->get_n_actions = getActionCountCB;
michael@0	125	aIface->get_description = getActionDescriptionCB;
michael@0	126	aIface->get_keybinding = getKeyBindingCB;
michael@0	127	aIface->get_name = getActionNameCB;
michael@0	128	}