Announce for accessiblity when taskbar is invoked/closed
Test: Manual
Bug: 265620540
Change-Id: I6660be7716ec59c765f3d54f8fe9889eaaf56e10
diff --git a/quickstep/res/values/strings.xml b/quickstep/res/values/strings.xml
index 2b5975d..3d174d3 100644
--- a/quickstep/res/values/strings.xml
+++ b/quickstep/res/values/strings.xml
@@ -278,6 +278,10 @@
<string name="taskbar_button_quick_settings">Quick Settings</string>
<!-- Accessibility title for the Taskbar window. [CHAR_LIMIT=NONE] -->
<string name="taskbar_a11y_title">Taskbar</string>
+ <!-- Accessibility title for the Taskbar window appeared. [CHAR_LIMIT=NONE] -->
+ <string name="taskbar_a11y_shown_title">Taskbar shown</string>
+ <!-- Accessibility title for the Taskbar window being close. [CHAR_LIMIT=NONE] -->
+ <string name="taskbar_a11y_hidden_title">Taskbar hidden</string>
<!-- Accessibility title for the Taskbar window on phones. [CHAR_LIMIT=NONE] -->
<string name="taskbar_phone_a11y_title">Navigation bar</string>
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
index babafd5..150d3db 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
@@ -600,6 +600,7 @@
if (!mIsStashed) {
tryStartTaskbarTimeout();
}
+ mControllers.taskbarViewController.announceForAccessibility();
}
});
}
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
index 3d5089f..dee867e 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
@@ -16,15 +16,18 @@
package com.android.launcher3.taskbar;
import static android.content.pm.PackageManager.FEATURE_PC;
+import static android.view.accessibility.AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Canvas;
import android.graphics.Rect;
+import android.os.Bundle;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
+import android.view.accessibility.AccessibilityNodeInfo;
import android.widget.FrameLayout;
import androidx.annotation.LayoutRes;
@@ -153,7 +156,26 @@
// TODO: Disable touch events on QSB otherwise it can crash.
mQsb = LayoutInflater.from(context).inflate(R.layout.search_container_hotseat, this, false);
+ }
+ @Override
+ public boolean performAccessibilityActionInternal(int action, Bundle arguments) {
+ if (action == AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS) {
+ announceForAccessibility(mContext.getString(R.string.taskbar_a11y_shown_title));
+ } else if (action == AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS) {
+ announceForAccessibility(mContext.getString(R.string.taskbar_a11y_hidden_title));
+ }
+ return super.performAccessibilityActionInternal(action, arguments);
+
+ }
+
+ protected void announceAccessibilityChanges() {
+ this.performAccessibilityAction(
+ isVisibleToUser() ? AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS
+ : AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS, null);
+
+ ActivityContext.lookupContext(getContext()).getDragLayer()
+ .sendAccessibilityEvent(TYPE_WINDOW_CONTENT_CHANGED);
}
private int getColorWithGivenLuminance(int color, float luminance) {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
index 3143f23..8b009e6 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
@@ -189,6 +189,13 @@
mActivity.addOnDeviceProfileChangeListener(mDeviceProfileChangeListener);
}
+ /**
+ * Announcement for Accessibility when Taskbar stashes/unstashes.
+ */
+ public void announceForAccessibility() {
+ mTaskbarView.announceAccessibilityChanges();
+ }
+
public void onDestroy() {
LauncherAppState.getInstance(mActivity).getModel().removeCallbacks(mModelCallbacks);
mActivity.removeOnDeviceProfileChangeListener(mDeviceProfileChangeListener);
diff --git a/src/com/android/launcher3/views/IconButtonView.java b/src/com/android/launcher3/views/IconButtonView.java
index 71f6756..0ac1919 100644
--- a/src/com/android/launcher3/views/IconButtonView.java
+++ b/src/com/android/launcher3/views/IconButtonView.java
@@ -29,6 +29,7 @@
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.util.AttributeSet;
+import android.view.accessibility.AccessibilityEvent;
import androidx.annotation.ColorInt;
import androidx.annotation.NonNull;
@@ -78,6 +79,12 @@
}
}
+ @Override
+ public void onPopulateAccessibilityEvent(AccessibilityEvent event) {
+ super.onPopulateAccessibilityEvent(event);
+ event.getText().add(this.getContentDescription());
+ }
+
/** Sets given Drawable as icon */
public void setIconDrawable(@NonNull Drawable drawable) {
ColorStateList tintList = getBackgroundTintList();