1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/accessible/src/generic/DocAccessible-inl.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,129 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef mozilla_a11y_DocAccessible_inl_h_
1.11 +#define mozilla_a11y_DocAccessible_inl_h_
1.12 +
1.13 +#include "DocAccessible.h"
1.14 +#include "nsAccessibilityService.h"
1.15 +#include "NotificationController.h"
1.16 +#include "States.h"
1.17 +#include "nsIScrollableFrame.h"
1.18 +
1.19 +#ifdef A11Y_LOG
1.20 +#include "Logging.h"
1.21 +#endif
1.22 +
1.23 +namespace mozilla {
1.24 +namespace a11y {
1.25 +
1.26 +inline void
1.27 +DocAccessible::FireDelayedEvent(AccEvent* aEvent)
1.28 +{
1.29 +#ifdef A11Y_LOG
1.30 + if (logging::IsEnabled(logging::eDocLoad))
1.31 + logging::DocLoadEventFired(aEvent);
1.32 +#endif
1.33 +
1.34 + mNotificationController->QueueEvent(aEvent);
1.35 +}
1.36 +
1.37 +inline void
1.38 +DocAccessible::FireDelayedEvent(uint32_t aEventType, Accessible* aTarget)
1.39 +{
1.40 + nsRefPtr<AccEvent> event = new AccEvent(aEventType, aTarget);
1.41 + FireDelayedEvent(event);
1.42 +}
1.43 +
1.44 +inline void
1.45 +DocAccessible::BindChildDocument(DocAccessible* aDocument)
1.46 +{
1.47 + mNotificationController->ScheduleChildDocBinding(aDocument);
1.48 +}
1.49 +
1.50 +template<class Class, class Arg>
1.51 +inline void
1.52 +DocAccessible::HandleNotification(Class* aInstance,
1.53 + typename TNotification<Class, Arg>::Callback aMethod,
1.54 + Arg* aArg)
1.55 +{
1.56 + if (mNotificationController) {
1.57 + mNotificationController->HandleNotification<Class, Arg>(aInstance,
1.58 + aMethod, aArg);
1.59 + }
1.60 +}
1.61 +
1.62 +inline void
1.63 +DocAccessible::UpdateText(nsIContent* aTextNode)
1.64 +{
1.65 + NS_ASSERTION(mNotificationController, "The document was shut down!");
1.66 +
1.67 + // Ignore the notification if initial tree construction hasn't been done yet.
1.68 + if (mNotificationController && HasLoadState(eTreeConstructed))
1.69 + mNotificationController->ScheduleTextUpdate(aTextNode);
1.70 +}
1.71 +
1.72 +inline void
1.73 +DocAccessible::AddScrollListener()
1.74 +{
1.75 + // Delay scroll initializing until the document has a root frame.
1.76 + if (!mPresShell->GetRootFrame())
1.77 + return;
1.78 +
1.79 + mDocFlags |= eScrollInitialized;
1.80 + nsIScrollableFrame* sf = mPresShell->GetRootScrollFrameAsScrollable();
1.81 + if (sf) {
1.82 + sf->AddScrollPositionListener(this);
1.83 +
1.84 +#ifdef A11Y_LOG
1.85 + if (logging::IsEnabled(logging::eDocCreate))
1.86 + logging::Text("add scroll listener");
1.87 +#endif
1.88 + }
1.89 +}
1.90 +
1.91 +inline void
1.92 +DocAccessible::RemoveScrollListener()
1.93 +{
1.94 + nsIScrollableFrame* sf = mPresShell->GetRootScrollFrameAsScrollable();
1.95 + if (sf)
1.96 + sf->RemoveScrollPositionListener(this);
1.97 +}
1.98 +
1.99 +inline void
1.100 +DocAccessible::NotifyOfLoad(uint32_t aLoadEventType)
1.101 +{
1.102 + mLoadState |= eDOMLoaded;
1.103 + mLoadEventType = aLoadEventType;
1.104 +
1.105 + // If the document is loaded completely then network activity was presumingly
1.106 + // caused by file loading. Fire busy state change event.
1.107 + if (HasLoadState(eCompletelyLoaded) && IsLoadEventTarget()) {
1.108 + nsRefPtr<AccEvent> stateEvent =
1.109 + new AccStateChangeEvent(this, states::BUSY, false);
1.110 + FireDelayedEvent(stateEvent);
1.111 + }
1.112 +}
1.113 +
1.114 +inline void
1.115 +DocAccessible::MaybeNotifyOfValueChange(Accessible* aAccessible)
1.116 +{
1.117 + a11y::role role = aAccessible->Role();
1.118 + if (role == roles::ENTRY || role == roles::COMBOBOX)
1.119 + FireDelayedEvent(nsIAccessibleEvent::EVENT_VALUE_CHANGE, aAccessible);
1.120 +}
1.121 +
1.122 +inline Accessible*
1.123 +DocAccessible::GetAccessibleEvenIfNotInMapOrContainer(nsINode* aNode) const
1.124 +{
1.125 + Accessible* acc = GetAccessibleEvenIfNotInMap(aNode);
1.126 + return acc ? acc : GetContainerAccessible(aNode);
1.127 +}
1.128 +
1.129 +} // namespace a11y
1.130 +} // namespace mozilla
1.131 +
1.132 +#endif
