private void restoreImportantForAccessibilityHelper(View v) {
/// M: [ALPS01271317] Just return if view did not set important for accessibility to NO before.
if (mPreviousValues.get(v) == null) {
return;
}
v.setImportantForAccessibility(mPreviousValues.get(v));
mPreviousValues.remove(v);
// Call method on children recursively
if (v instanceof ViewGroup) {
ViewGroup vg = (ViewGroup) v;
// We assume if a class implements OnHierarchyChangeListener, it listens
// to changes to any of its children (happens to be the case in Launcher)
if (vg instanceof OnHierarchyChangeListener) {
vg.setOnHierarchyChangeListener((OnHierarchyChangeListener) vg);
} else {
vg.setOnHierarchyChangeListener(null);
}
for (int i = 0; i < vg.getChildCount(); i++) {
View child = vg.getChildAt(i);
if (includeView(child)) {
restoreImportantForAccessibilityHelper(child);
}
}
}
}
public static void setAccessibilityIgnore(View view) {
view.setClickable(false);
view.setFocusable(false);
view.setContentDescription("");
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
view.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
}
}
@SuppressLint("NewApi")
public void setEmptyView(View emptyView) {
mEmptyView = emptyView;
if (VERSION.SDK_INT >= 16
&& emptyView != null
&& emptyView.getImportantForAccessibility() == IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
emptyView.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES);
}
final T adapter = getAdapter();
final boolean empty = adapter == null || adapter.isEmpty();
updateEmptyStatus(empty);
}
private void setImportantForAccessibilityToNoHelper(View v) {
mPreviousValues.put(v, v.getImportantForAccessibility());
v.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
// Call method on children recursively
if (v instanceof ViewGroup) {
ViewGroup vg = (ViewGroup) v;
vg.setOnHierarchyChangeListener(this);
for (int i = 0; i < vg.getChildCount(); i++) {
View child = vg.getChildAt(i);
if (includeView(child)) {
setImportantForAccessibilityToNoHelper(child);
}
}
}
}
void refreshChildren() {
if (mAdapter == null) return;
for (int i = mCurrentWindowStart; i <= mCurrentWindowEnd; i++) {
int index = modulo(i, getWindowSize());
int adapterCount = getCount();
// get the fresh child from the adapter
final View updatedChild = mAdapter.getView(modulo(i, adapterCount), null, this);
if (updatedChild.getImportantForAccessibility() == IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
updatedChild.setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES);
}
if (mViewsMap.containsKey(index)) {
final FrameLayout fl = (FrameLayout) mViewsMap.get(index).view;
// add the new child to the frame, if it exists
if (updatedChild != null) {
// flush out the old child
fl.removeAllViewsInLayout();
fl.addView(updatedChild);
}
}
}
}
public static void setImportantForAccessibility(View view, int mode) {
view.setImportantForAccessibility(mode);
}
public final void b(View paramView, int paramInt) {
paramView.setImportantForAccessibility(1);
}
