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Code Issues Packages Projects Releases Wiki Activity

Announce for accessiblity when taskbar is invoked/closed

Browse Source 
Test: Manual
Bug: 265620540
Change-Id: I6660be7716ec59c765f3d54f8fe9889eaaf56e10
This commit is contained in:
Jagrut Desai
2023-03-02 17:27:18 -08:00
parent d0838d3ac1
commit 1dc99f3848
5 changed files with 41 additions and 0 deletions
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4
quickstep/res/values/strings.xml
View File

@@ -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>

1
quickstep/src/com/android/launcher3/taskbar/TaskbarStashController.java
View File

@@ -600,6 +600,7 @@ public class TaskbarStashController implements TaskbarControllers.LoggableTaskba
if (!mIsStashed) {
tryStartTaskbarTimeout();
}
mControllers.taskbarViewController.announceForAccessibility();
}
});
}

22
quickstep/src/com/android/launcher3/taskbar/TaskbarView.java
View File

@@ -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 @@ public class TaskbarView extends FrameLayout implements FolderIcon.FolderIconPar
// 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) {

7
quickstep/src/com/android/launcher3/taskbar/TaskbarViewController.java
View File

@@ -189,6 +189,13 @@ public class TaskbarViewController implements TaskbarControllers.LoggableTaskbar
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);

7
src/com/android/launcher3/views/IconButtonView.java
View File

@@ -29,6 +29,7 @@ import android.graphics.drawable.ColorDrawable;
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 @@ public class IconButtonView extends BubbleTextView {
}
}
@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();