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accessible/src/generic/DocAccessible-inl.h@6474c204b198 (annotated)

accessible/src/generic/DocAccessible-inl.h

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

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 file,
michael@0	5	* You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	6
michael@0	7	#ifndef mozilla_a11y_DocAccessible_inl_h_
michael@0	8	#define mozilla_a11y_DocAccessible_inl_h_
michael@0	9
michael@0	10	#include "DocAccessible.h"
michael@0	11	#include "nsAccessibilityService.h"
michael@0	12	#include "NotificationController.h"
michael@0	13	#include "States.h"
michael@0	14	#include "nsIScrollableFrame.h"
michael@0	15
michael@0	16	#ifdef A11Y_LOG
michael@0	17	#include "Logging.h"
michael@0	18	#endif
michael@0	19
michael@0	20	namespace mozilla {
michael@0	21	namespace a11y {
michael@0	22
michael@0	23	inline void
michael@0	24	DocAccessible::FireDelayedEvent(AccEvent* aEvent)
michael@0	25	{
michael@0	26	#ifdef A11Y_LOG
michael@0	27	if (logging::IsEnabled(logging::eDocLoad))
michael@0	28	logging::DocLoadEventFired(aEvent);
michael@0	29	#endif
michael@0	30
michael@0	31	mNotificationController->QueueEvent(aEvent);
michael@0	32	}
michael@0	33
michael@0	34	inline void
michael@0	35	DocAccessible::FireDelayedEvent(uint32_t aEventType, Accessible* aTarget)
michael@0	36	{
michael@0	37	nsRefPtr<AccEvent> event = new AccEvent(aEventType, aTarget);
michael@0	38	FireDelayedEvent(event);
michael@0	39	}
michael@0	40
michael@0	41	inline void
michael@0	42	DocAccessible::BindChildDocument(DocAccessible* aDocument)
michael@0	43	{
michael@0	44	mNotificationController->ScheduleChildDocBinding(aDocument);
michael@0	45	}
michael@0	46
michael@0	47	template<class Class, class Arg>
michael@0	48	inline void
michael@0	49	DocAccessible::HandleNotification(Class* aInstance,
michael@0	50	typename TNotification<Class, Arg>::Callback aMethod,
michael@0	51	Arg* aArg)
michael@0	52	{
michael@0	53	if (mNotificationController) {
michael@0	54	mNotificationController->HandleNotification<Class, Arg>(aInstance,
michael@0	55	aMethod, aArg);
michael@0	56	}
michael@0	57	}
michael@0	58
michael@0	59	inline void
michael@0	60	DocAccessible::UpdateText(nsIContent* aTextNode)
michael@0	61	{
michael@0	62	NS_ASSERTION(mNotificationController, "The document was shut down!");
michael@0	63
michael@0	64	// Ignore the notification if initial tree construction hasn't been done yet.
michael@0	65	if (mNotificationController && HasLoadState(eTreeConstructed))
michael@0	66	mNotificationController->ScheduleTextUpdate(aTextNode);
michael@0	67	}
michael@0	68
michael@0	69	inline void
michael@0	70	DocAccessible::AddScrollListener()
michael@0	71	{
michael@0	72	// Delay scroll initializing until the document has a root frame.
michael@0	73	if (!mPresShell->GetRootFrame())
michael@0	74	return;
michael@0	75
michael@0	76	mDocFlags |= eScrollInitialized;
michael@0	77	nsIScrollableFrame* sf = mPresShell->GetRootScrollFrameAsScrollable();
michael@0	78	if (sf) {
michael@0	79	sf->AddScrollPositionListener(this);
michael@0	80
michael@0	81	#ifdef A11Y_LOG
michael@0	82	if (logging::IsEnabled(logging::eDocCreate))
michael@0	83	logging::Text("add scroll listener");
michael@0	84	#endif
michael@0	85	}
michael@0	86	}
michael@0	87
michael@0	88	inline void
michael@0	89	DocAccessible::RemoveScrollListener()
michael@0	90	{
michael@0	91	nsIScrollableFrame* sf = mPresShell->GetRootScrollFrameAsScrollable();
michael@0	92	if (sf)
michael@0	93	sf->RemoveScrollPositionListener(this);
michael@0	94	}
michael@0	95
michael@0	96	inline void
michael@0	97	DocAccessible::NotifyOfLoad(uint32_t aLoadEventType)
michael@0	98	{
michael@0	99	mLoadState |= eDOMLoaded;
michael@0	100	mLoadEventType = aLoadEventType;
michael@0	101
michael@0	102	// If the document is loaded completely then network activity was presumingly
michael@0	103	// caused by file loading. Fire busy state change event.
michael@0	104	if (HasLoadState(eCompletelyLoaded) && IsLoadEventTarget()) {
michael@0	105	nsRefPtr<AccEvent> stateEvent =
michael@0	106	new AccStateChangeEvent(this, states::BUSY, false);
michael@0	107	FireDelayedEvent(stateEvent);
michael@0	108	}
michael@0	109	}
michael@0	110
michael@0	111	inline void
michael@0	112	DocAccessible::MaybeNotifyOfValueChange(Accessible* aAccessible)
michael@0	113	{
michael@0	114	a11y::role role = aAccessible->Role();
michael@0	115	if (role == roles::ENTRY || role == roles::COMBOBOX)
michael@0	116	FireDelayedEvent(nsIAccessibleEvent::EVENT_VALUE_CHANGE, aAccessible);
michael@0	117	}
michael@0	118
michael@0	119	inline Accessible*
michael@0	120	DocAccessible::GetAccessibleEvenIfNotInMapOrContainer(nsINode* aNode) const
michael@0	121	{
michael@0	122	Accessible* acc = GetAccessibleEvenIfNotInMap(aNode);
michael@0	123	return acc ? acc : GetContainerAccessible(aNode);
michael@0	124	}
michael@0	125
michael@0	126	} // namespace a11y
michael@0	127	} // namespace mozilla
michael@0	128
michael@0	129	#endif