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Code Issues Packages Projects Releases Wiki Activity

Adding Clear All to accessibility chevron on Recents

Browse Source 
For motivation, see email thread "Tweaks to for the reverted order of
accessibility swiping"

This doesn't add the action to the fallback Recents, so it will require
more work.

Bug: 79165501
Test: Manual
Change-Id: I99d608ccc13cc1742dc4d427e763125788e8edd2
This commit is contained in:
Vadim Tryshev
2018-05-16 11:26:17 -07:00
parent d9a1337b40
commit 3f51631b80
2 changed files with 54 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
quickstep/src/com/android/quickstep/views/ShelfScrimView.java
View File

@@ -28,6 +28,9 @@ import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.Path.Direction;
import android.graphics.Path.Op;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat;
import android.util.AttributeSet;
import com.android.launcher3.DeviceProfile;
@@ -48,6 +51,7 @@ public class ShelfScrimView extends ScrimView {
private static final int THRESHOLD_ALPHA_DARK = 102;
private static final int THRESHOLD_ALPHA_LIGHT = 46;
private static final int THRESHOLD_ALPHA_SUPER_LIGHT = 128;
private static final int CLEAR_ALL_TASKS = R.string.recents_clear_all;
// In transposed layout, we simply draw a flat color.
private boolean mDrawingFlatColor;
@@ -213,4 +217,43 @@ public class ShelfScrimView extends ScrimView {
mRadius, mRadius, mPaint);
return minTop - mDragHandleSize - top;
}
@NonNull
@Override
protected AccessibilityHelper createAccessibilityHelper() {
return new ShelfScrimAccessibilityHelper();
}
protected class ShelfScrimAccessibilityHelper extends AccessibilityHelper {
@Override
protected void onPopulateNodeForVirtualView(int virtualViewId,
AccessibilityNodeInfoCompat node) {
super.onPopulateNodeForVirtualView(virtualViewId, node);
if (mLauncher.isInState(OVERVIEW)) {
final RecentsView overviewPanel = mLauncher.getOverviewPanel();
if (overviewPanel.getChildCount() != 0) {
node.addAction(
new AccessibilityNodeInfoCompat.AccessibilityActionCompat(
CLEAR_ALL_TASKS,
getContext().getText(CLEAR_ALL_TASKS)));
}
}
}
@Override
protected boolean onPerformActionForVirtualView(
int virtualViewId, int action, Bundle arguments) {
if (super.onPerformActionForVirtualView(virtualViewId, action, arguments)) return true;
if (action == CLEAR_ALL_TASKS) {
if (mLauncher.isInState(OVERVIEW)) {
mLauncher.<RecentsView>getOverviewPanel().dismissAllTasks();
}
return true;
}
return false;
}
}
}

13
src/com/android/launcher3/views/ScrimView.java
View File

@@ -38,6 +38,7 @@ import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.view.ViewCompat;
import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat;
@@ -113,12 +114,17 @@ public class ScrimView extends View implements Insettable, OnChangeListener,
.getDimensionPixelSize(R.dimen.vertical_drag_handle_size);
mDragHandleBounds = new Rect(0, 0, mDragHandleSize, mDragHandleSize);
mAccessibilityHelper = new AccessibilityHelper();
mAccessibilityHelper = createAccessibilityHelper();
ViewCompat.setAccessibilityDelegate(this, mAccessibilityHelper);
mAM = (AccessibilityManager) context.getSystemService(ACCESSIBILITY_SERVICE);
}
@NonNull
protected AccessibilityHelper createAccessibilityHelper() {
return new AccessibilityHelper();
}
@Override
public void setInsets(Rect insets) {
updateDragHandleBounds();
@@ -190,6 +196,9 @@ public class ScrimView extends View implements Insettable, OnChangeListener,
if (mCurrentFlatColor != 0) {
canvas.drawColor(mCurrentFlatColor);
}
if (mDragHandle != null) {
mDragHandle.draw(canvas);
}
}
@Override
@@ -323,7 +332,7 @@ public class ScrimView extends View implements Insettable, OnChangeListener,
: IMPORTANT_FOR_ACCESSIBILITY_AUTO);
}
private class AccessibilityHelper extends ExploreByTouchHelper {
protected class AccessibilityHelper extends ExploreByTouchHelper {
private static final int DRAG_HANDLE_ID = 1;