2853037 AccessibilityEvent should describe Tab controls (5ac413a1) · Commits · e / os / android_frameworks_base

core/java/android/widget/TabHost.java

+5 −0

Original line number	Diff line number	Diff line
		@@ -144,6 +144,11 @@ mTabHost.addTab(TAB_TAG_1, "Hello, world!", "Tab 1");
		}
		}

		@Override
		public void sendAccessibilityEvent(int eventType) {
		/* avoid super class behavior - TabWidget sends the right events */
		}

		/**
		* If you are using {@link TabSpec#setContent(android.content.Intent)}, this
		* must be called since the activityGroup is needed to launch the local activity.

core/java/android/widget/TabWidget.java

+27 −1

Original line number	Diff line number	Diff line
		@@ -28,6 +28,7 @@ import android.util.AttributeSet;
		import android.view.View;
		import android.view.ViewGroup;
		import android.view.View.OnFocusChangeListener;
		import android.view.accessibility.AccessibilityEvent;

		/**
		*
		@@ -335,7 +336,7 @@ public class TabWidget extends LinearLayout implements OnFocusChangeListener {
		* @see #focusCurrentTab
		*/
		public void setCurrentTab(int index) {
		if (index < 0 \|\| index >= getTabCount()) {
		if (index < 0 \|\| index >= getTabCount() \|\| index == mSelectedTab) {
		return;
		}

		@@ -343,6 +344,18 @@ public class TabWidget extends LinearLayout implements OnFocusChangeListener {
		mSelectedTab = index;
		getChildTabViewAt(mSelectedTab).setSelected(true);
		mStripMoved = true;

		if (isShown()) {
		sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
		}
		}

		@Override
		public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
		event.setItemCount(getTabCount());
		event.setCurrentItemIndex(mSelectedTab);
		getChildTabViewAt(mSelectedTab).dispatchPopulateAccessibilityEvent(event);
		return true;
		}

		/**
		@@ -416,6 +429,15 @@ public class TabWidget extends LinearLayout implements OnFocusChangeListener {
		child.setOnFocusChangeListener(this);
		}

		@Override
		public void sendAccessibilityEventUnchecked(AccessibilityEvent event) {
		// this class fires events only when tabs are focused or selected
		if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_FOCUSED && isFocused()) {
		return;
		}
		super.sendAccessibilityEventUnchecked(event);
		}

		/**
		* Provides a way for {@link TabHost} to be notified that the user clicked on a tab indicator.
		*/
		@@ -436,6 +458,10 @@ public class TabWidget extends LinearLayout implements OnFocusChangeListener {
		if (getChildTabViewAt(i) == v) {
		setCurrentTab(i);
		mSelectionChangedListener.onTabSelectionChanged(i, false);
		if (isShown()) {
		// a tab is focused so send an event to announce the tab widget state
		sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_FOCUSED);
		}
		break;
		}
		i++;