本文整理汇总了C++中AccessibleWrap::RootAccessible方法的典型用法代码示例。如果您正苦于以下问题：C++ AccessibleWrap::RootAccessible方法的具体用法？C++ AccessibleWrap::RootAccessible怎么用？C++ AccessibleWrap::RootAccessible使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类AccessibleWrap的用法示例。
在下文中一共展示了AccessibleWrap::RootAccessible方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: FireAtkStateChangeEvent
nsresult
AccessibleWrap::FirePlatformEvent(AccEvent* aEvent)
{
Accessible* accessible = aEvent->GetAccessible();
NS_ENSURE_TRUE(accessible, NS_ERROR_FAILURE);
PRUint32 type = aEvent->GetEventType();
AtkObject* atkObj = AccessibleWrap::GetAtkObject(accessible);
// We don't create ATK objects for nsIAccessible plain text leaves,
// just return NS_OK in such case
if (!atkObj) {
NS_ASSERTION(type == nsIAccessibleEvent::EVENT_SHOW ||
type == nsIAccessibleEvent::EVENT_HIDE,
"Event other than SHOW and HIDE fired for plain text leaves");
return NS_OK;
}
AccessibleWrap* accWrap = GetAccessibleWrap(atkObj);
if (!accWrap) {
return NS_OK; // Node is shut down
}
switch (type) {
case nsIAccessibleEvent::EVENT_STATE_CHANGE:
return FireAtkStateChangeEvent(aEvent, atkObj);
case nsIAccessibleEvent::EVENT_TEXT_REMOVED:
case nsIAccessibleEvent::EVENT_TEXT_INSERTED:
return FireAtkTextChangedEvent(aEvent, atkObj);
case nsIAccessibleEvent::EVENT_FOCUS:
{
MAI_LOG_DEBUG(("\n\nReceived: EVENT_FOCUS\n"));
a11y::RootAccessible* rootAccWrap = accWrap->RootAccessible();
if (rootAccWrap && rootAccWrap->mActivated) {
atk_focus_tracker_notify(atkObj);
// Fire state change event for focus
nsRefPtr<AccEvent> stateChangeEvent =
new AccStateChangeEvent(accessible, states::FOCUSED, true);
return FireAtkStateChangeEvent(stateChangeEvent, atkObj);
}
} break;
case nsIAccessibleEvent::EVENT_NAME_CHANGE:
{
nsAutoString newName;
accessible->Name(newName);
NS_ConvertUTF16toUTF8 utf8Name(newName);
if (!atkObj->name || !utf8Name.Equals(atkObj->name))
atk_object_set_name(atkObj, utf8Name.get());
break;
}
case nsIAccessibleEvent::EVENT_VALUE_CHANGE:
{
MAI_LOG_DEBUG(("\n\nReceived: EVENT_VALUE_CHANGE\n"));
nsCOMPtr<nsIAccessibleValue> value(do_QueryObject(accessible));
if (value) { // Make sure this is a numeric value
// Don't fire for MSAA string value changes (e.g. text editing)
// ATK values are always numeric
g_object_notify( (GObject*)atkObj, "accessible-value" );
}
} break;
case nsIAccessibleEvent::EVENT_SELECTION:
case nsIAccessibleEvent::EVENT_SELECTION_ADD:
case nsIAccessibleEvent::EVENT_SELECTION_REMOVE:
{
// XXX: dupe events may be fired
MAI_LOG_DEBUG(("\n\nReceived: EVENT_SELECTION_CHANGED\n"));
AccSelChangeEvent* selChangeEvent = downcast_accEvent(aEvent);
g_signal_emit_by_name(AccessibleWrap::GetAtkObject(selChangeEvent->Widget()),
"selection_changed");
break;
}
case nsIAccessibleEvent::EVENT_SELECTION_WITHIN:
{
MAI_LOG_DEBUG(("\n\nReceived: EVENT_SELECTION_CHANGED\n"));
g_signal_emit_by_name(atkObj, "selection_changed");
break;
}
case nsIAccessibleEvent::EVENT_TEXT_SELECTION_CHANGED:
MAI_LOG_DEBUG(("\n\nReceived: EVENT_TEXT_SELECTION_CHANGED\n"));
g_signal_emit_by_name(atkObj, "text_selection_changed");
break;
case nsIAccessibleEvent::EVENT_TEXT_CARET_MOVED:
{
MAI_LOG_DEBUG(("\n\nReceived: EVENT_TEXT_CARET_MOVED\n"));
AccCaretMoveEvent* caretMoveEvent = downcast_accEvent(aEvent);
NS_ASSERTION(caretMoveEvent, "Event needs event data");
if (!caretMoveEvent)
break;
PRInt32 caretOffset = caretMoveEvent->GetCaretOffset();
//.........这里部分代码省略.........
示例2: FireAtkTextChangedEvent
nsresult
AccessibleWrap::HandleAccEvent(AccEvent* aEvent)
{
nsresult rv = Accessible::HandleAccEvent(aEvent);
NS_ENSURE_SUCCESS(rv, rv);
Accessible* accessible = aEvent->GetAccessible();
NS_ENSURE_TRUE(accessible, NS_ERROR_FAILURE);
// The accessible can become defunct if we have an xpcom event listener
// which decides it would be fun to change the DOM and flush layout.
if (accessible->IsDefunct())
return NS_OK;
uint32_t type = aEvent->GetEventType();
AtkObject* atkObj = AccessibleWrap::GetAtkObject(accessible);
// We don't create ATK objects for plain text leaves, just return NS_OK in
// such case.
if (!atkObj) {
NS_ASSERTION(type == nsIAccessibleEvent::EVENT_SHOW ||
type == nsIAccessibleEvent::EVENT_HIDE,
"Event other than SHOW and HIDE fired for plain text leaves");
return NS_OK;
}
AccessibleWrap* accWrap = GetAccessibleWrap(atkObj);
if (!accWrap) {
return NS_OK; // Node is shut down
}
switch (type) {
case nsIAccessibleEvent::EVENT_STATE_CHANGE:
{
AccStateChangeEvent* event = downcast_accEvent(aEvent);
MAI_ATK_OBJECT(atkObj)->FireStateChangeEvent(event->GetState(),
event->IsStateEnabled());
break;
}
case nsIAccessibleEvent::EVENT_TEXT_REMOVED:
case nsIAccessibleEvent::EVENT_TEXT_INSERTED:
return FireAtkTextChangedEvent(aEvent, atkObj);
case nsIAccessibleEvent::EVENT_FOCUS:
{
a11y::RootAccessible* rootAccWrap = accWrap->RootAccessible();
if (rootAccWrap && rootAccWrap->mActivated) {
atk_focus_tracker_notify(atkObj);
// Fire state change event for focus
atk_object_notify_state_change(atkObj, ATK_STATE_FOCUSED, true);
return NS_OK;
}
} break;
case nsIAccessibleEvent::EVENT_NAME_CHANGE:
{
nsAutoString newName;
accessible->Name(newName);
MaybeFireNameChange(atkObj, newName);
break;
}
case nsIAccessibleEvent::EVENT_VALUE_CHANGE:
if (accessible->HasNumericValue()) {
// Make sure this is a numeric value. Don't fire for string value changes
// (e.g. text editing) ATK values are always numeric.
g_object_notify((GObject*)atkObj, "accessible-value");
}
break;
case nsIAccessibleEvent::EVENT_SELECTION:
case nsIAccessibleEvent::EVENT_SELECTION_ADD:
case nsIAccessibleEvent::EVENT_SELECTION_REMOVE:
{
// XXX: dupe events may be fired
AccSelChangeEvent* selChangeEvent = downcast_accEvent(aEvent);
g_signal_emit_by_name(AccessibleWrap::GetAtkObject(selChangeEvent->Widget()),
"selection_changed");
break;
}
case nsIAccessibleEvent::EVENT_SELECTION_WITHIN:
{
g_signal_emit_by_name(atkObj, "selection_changed");
break;
}
case nsIAccessibleEvent::EVENT_TEXT_SELECTION_CHANGED:
g_signal_emit_by_name(atkObj, "text_selection_changed");
break;
case nsIAccessibleEvent::EVENT_TEXT_CARET_MOVED:
{
AccCaretMoveEvent* caretMoveEvent = downcast_accEvent(aEvent);
NS_ASSERTION(caretMoveEvent, "Event needs event data");
if (!caretMoveEvent)
//.........这里部分代码省略.........