public ComponentImplementorHelper (Adapter resource)
{
this.resource = resource;
lastFocusHandlerId = 0;
focusHandlers = new Dictionary<uint, Atk.FocusHandler> ();
}
public EditableTextImplementorHelper (Adapter adapter, Atk.ITextImplementor textImplementor, ITextImplementor textExpert)
{
this.adapter = adapter;
valueProvider
= adapter.Provider.GetPatternProvider (ValuePatternIdentifiers.Pattern.Id)
as IValueProvider;
this.textExpert = textExpert;
if (valueProvider != null)
editable = !valueProvider.IsReadOnly;
insertDeleteProvider
= adapter.Provider.GetPatternProvider (InsertDeleteTextPatternIdentifiers.Pattern.Id)
as IInsertDeleteTextProvider;
oldText = textExpert.Text;
ClipboardProvider
= adapter.Provider.GetPatternProvider (ClipboardPatternIdentifiers.Pattern.Id)
as IClipboardProvider;
// We are keeping a private caret reference to validate the change
// of value
caretProvider
= adapter.Provider.GetPatternProvider (CaretPatternIdentifiers.Pattern.Id)
as ICaretProvider;
caretOffset = (caretProvider != null ? caretProvider.CaretOffset : textExpert.Length);
RefreshEditable ();
}
public ImageImplementorHelper (Adapter adapter)
{
this.adapter = adapter;
embeddedImageProvider = adapter.Provider.GetPatternProvider (
EmbeddedImagePatternIdentifiers.Pattern.Id)
as IEmbeddedImageProvider;
}
public BaseTextImplementor (Adapter resource)
{
this.resource = resource;
caretProvider
= resource.Provider.GetPatternProvider (CaretPatternIdentifiers.Pattern.Id)
as ICaretProvider;
caretOffset = -1;
}
void ICanHaveSelection.RecursivelyDeselectAll (Adapter keepSelected)
{
if (Parent is ICanHaveSelection) {
((ICanHaveSelection) Parent).RecursivelyDeselectAll (
keepSelected);
return;
}
((ICanHaveSelection) this).RecursivelyDeselect (keepSelected);
}
internal void HandleItemFocus (Adapter item, bool itemFocused)
{
bool tableFocused = (bool) Provider.GetPropertyValue (AutomationElementIdentifiers.HasKeyboardFocusProperty.Id);
if (hasFocus != tableFocused) {
NotifyStateChange (Atk.StateType.Focused, tableFocused);
if (tableFocused)
Atk.Focus.TrackerNotify (this);
}
if (itemFocused)
EmitSignal ("active-descendant-changed", item.Handle);
hasFocus = tableFocused;
}
public static ITextImplementor GetImplementor (Adapter adapter,
IRawElementProviderSimple prov)
{
ITextProvider textProvider
= prov.GetPatternProvider (TextPatternIdentifiers.Pattern.Id)
as ITextProvider;
if (textProvider != null)
return new TextProviderTextImplementor (adapter, textProvider);
IValueProvider valueProvider
= prov.GetPatternProvider (ValuePatternIdentifiers.Pattern.Id)
as IValueProvider;
if (valueProvider != null)
return new ValueProviderTextImplementor (adapter, valueProvider);
IRangeValueProvider rangeValueProvider
= prov.GetPatternProvider (RangeValuePatternIdentifiers.Pattern.Id)
as IRangeValueProvider;
if (rangeValueProvider != null)
return new RangeValueProviderTextImplementor (adapter, rangeValueProvider);
return new NamePropertyTextImplementor (adapter, prov);
}
internal void HandleItemFocus (Adapter item, bool itemFocused)
{
bool listFocused = (bool) Provider.GetPropertyValue (AutomationElementIdentifiers.HasKeyboardFocusProperty.Id);
if (hasFocus != listFocused) {
NotifyStateChange (Atk.StateType.Focused, listFocused);
if (listFocused)
Atk.Focus.TrackerNotify (this);
}
if (itemFocused) {
// Orca wants to get Selection events before
// active-descendant-changed events; otherwise
// it is excessively verbose.
if (!CanSelectMultiple)
NotifyItemSelected (item);
EmitSignal ("active-descendant-changed", item.Handle);
}
hasFocus = listFocused;
}
internal override void RemoveChild (Atk.Object childToRemove)
{
if (childToRemove == selectedItem)
selectedItem = null;
base.RemoveChild (childToRemove);
for (int i = 0; i < NAccessibleChildren; i++) {
TreeItem currentChild = RefAccessibleChild (i) as TreeItem;
if (currentChild != null)
currentChild.NotifySomeChildRemoved (childToRemove);
}
}
public TextProviderTextImplementor (Adapter resource,
ITextProvider textProvider)
: base (resource)
{
this.textProvider = textProvider;
}
public ValueProviderTextImplementor (Adapter resource, IValueProvider valueProvider)
: base (resource)
{
this.valueProvider = valueProvider;
}
private int GetRowForAdapter (Adapter target)
{
IRawElementProviderFragment child = provider.Navigate (NavigateDirection.FirstChild);
int count = 0;
return GetRowForProvider (child, (IRawElementProviderFragment)target.Provider, ref count);
}
void ICanHaveSelection.RecursivelyDeselect (Adapter keepSelected)
{
if (this != keepSelected)
Deselect ();
lock (syncRoot) {
bool changed_selected_child = false;
bool any_child_was_selected = (selectedChild >= 0);
for (int i = 0; i < NAccessibleChildren; i++) {
Atk.Object child = RefAccessibleChild (i);
if (child == null)
continue;
if (((Adapter) child) == keepSelected) {
if (selectedChild != i) {
selectedChild = i;
changed_selected_child = true;
}
continue;
}
if (child is ICanHaveSelection) {
((ICanHaveSelection) child)
.RecursivelyDeselect (keepSelected);
}
}
if (changed_selected_child) {
Atk.ISelectionImplementor selImplementor = this as Atk.ISelectionImplementor;
if (selImplementor != null) {
if (any_child_was_selected)
//2 times: because we deselect a child and select another one
EmitSelectionChanged ();
EmitSelectionChanged ();
}
}
}
}
public NamePropertyTextImplementor (Adapter resource, IRawElementProviderSimple provider)
: base (resource)
{
this.provider = provider;
}
internal void NotifyItemSelected (Adapter item)
{
if (item == selectedItem)
return;
if (selectedItem != null)
selectedItem.NotifyStateChange (Atk.StateType.Selected, false);
item.NotifyStateChange (Atk.StateType.Selected, true);
selectedItem = item;
}
internal void NotifyItemSelectionRemoved (Adapter item)
{
if (item != selectedItem)
return;
item.NotifyStateChange (Atk.StateType.Selected, false);
selectedItem = null;
}
internal void RecursiveDeselect (Adapter keepSelected)
{
int nChildren = 0;
lock (syncRoot) {
nChildren = NAccessibleChildren;
}
for (int i = 0; i < nChildren; i++) {
Atk.Object child = RefAccessibleChild (i);
if (child == null || ((Adapter)child) == keepSelected) {
continue;
}
ComboBoxItem item = child as ComboBoxItem;
if (item != null)
item.Deselect ();
}
if (Parent is ComboBoxOptions)
((ComboBoxOptions)Parent).RecursiveDeselect (keepSelected);
else if (Parent is ComboBox)
((ComboBox)Parent).RaiseSelectionChanged (keepSelected.Name);
}
public void NotifyRowAdjusted (Adapter adapter, bool expanded)
{
int row = GetRowForAdapter (adapter);
int rowCount = 0;
IRawElementProviderFragment childProvider = (IRawElementProviderFragment)adapter.Provider;
for (IRawElementProviderFragment child = childProvider.Navigate (NavigateDirection.FirstChild); child != null; child = child.Navigate (NavigateDirection.NextSibling))
if (IsListItem (child))
rowCount++;
if (rowCount > 0) {
EmitSignal ((expanded? "row-inserted": "row-deleted"), row + 1, rowCount);
EmitVisibleDataChanged ();
}
}
void ICanHaveSelection.RecursivelyDeselectAll (Adapter keepSelected)
{
((ICanHaveSelection) this).RecursivelyDeselect (keepSelected);
}
void ICanHaveSelection.RecursivelyDeselect (Adapter keepSelected)
{
lock (syncRoot) {
for (int i = 0; i < NAccessibleChildren; i++) {
Atk.Object child = RefAccessibleChild (i);
if (child is ICanHaveSelection) {
((ICanHaveSelection) child).RecursivelyDeselect (keepSelected);
}
}
}
}
public RangeValueProviderTextImplementor (Adapter resource, IRangeValueProvider rangeValueProvider)
: base (resource)
{
this.rangeValueProvider = rangeValueProvider;
}