Added dismiss, expand, and collapse accessibility actions (e9bad242) · Commits · e / os / android_frameworks_base

core/java/android/view/NotificationHeaderView.java

+32 −14

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import android.graphics.Canvas;
		import android.graphics.Outline;
		import android.graphics.Rect;
		import android.graphics.drawable.Drawable;
		import android.os.Bundle;
		import android.util.AttributeSet;
		import android.view.accessibility.AccessibilityNodeInfo;
		import android.widget.ImageView;
		@@ -63,6 +64,33 @@ public class NotificationHeaderView extends ViewGroup {
		}
		}
		};
		final AccessibilityDelegate mExpandDelegate = new AccessibilityDelegate() {

		@Override
		public boolean performAccessibilityAction(View host, int action, Bundle args) {
		if (super.performAccessibilityAction(host, action, args)) {
		return true;
		}
		if (action == AccessibilityNodeInfo.ACTION_COLLAPSE
		\|\| action == AccessibilityNodeInfo.ACTION_EXPAND) {
		mExpandClickListener.onClick(mExpandButton);
		return true;
		}
		return false;
		}

		@Override
		public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) {
		super.onInitializeAccessibilityNodeInfo(host, info);
		// Avoid that the button description is also spoken
		info.setClassName(getClass().getName());
		if (mExpanded) {
		info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_COLLAPSE);
		} else {
		info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_EXPAND);
		}
		}
		};

		public NotificationHeaderView(Context context) {
		this(context, null);
		@@ -92,6 +120,9 @@ public class NotificationHeaderView extends ViewGroup {
		mAppName = findViewById(com.android.internal.R.id.app_name_text);
		mHeaderText = findViewById(com.android.internal.R.id.header_text);
		mExpandButton = (ImageView) findViewById(com.android.internal.R.id.expand_button);
		if (mExpandButton != null) {
		mExpandButton.setAccessibilityDelegate(mExpandDelegate);
		}
		mIcon = findViewById(com.android.internal.R.id.icon);
		mProfileBadge = findViewById(com.android.internal.R.id.profile_badge);
		}
		@@ -230,7 +261,7 @@ public class NotificationHeaderView extends ViewGroup {
		public void setOnClickListener(@Nullable OnClickListener l) {
		mExpandClickListener = l;
		setOnTouchListener(mExpandClickListener != null ? mTouchListener : null);
		setFocusable(l != null);
		mExpandButton.setOnClickListener(mExpandClickListener);
		updateTouchListener();
		}

		@@ -380,19 +411,6 @@ public class NotificationHeaderView extends ViewGroup {
		return this;
		}

		@Override
		public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
		super.onInitializeAccessibilityNodeInfo(info);
		if (mExpandClickListener != null) {
		AccessibilityNodeInfo.AccessibilityAction expand
		= new AccessibilityNodeInfo.AccessibilityAction(
		AccessibilityNodeInfo.ACTION_CLICK,
		getContext().getString(
		com.android.internal.R.string.expand_action_accessibility));
		info.addAction(expand);
		}
		}

		public ImageView getExpandButton() {
		return mExpandButton;
		}

core/java/com/android/internal/widget/NotificationExpandButton.java

0 → 100644

+62 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2016 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License
		*/

		package com.android.internal.widget;

		import android.annotation.Nullable;
		import android.content.Context;
		import android.graphics.Rect;
		import android.util.AttributeSet;
		import android.widget.ImageView;
		import android.widget.RemoteViews;

		/**
		* An expand button in a notification
		*/
		@RemoteViews.RemoteView
		public class NotificationExpandButton extends ImageView {
		public NotificationExpandButton(Context context) {
		super(context);
		}

		public NotificationExpandButton(Context context, @Nullable AttributeSet attrs) {
		super(context, attrs);
		}

		public NotificationExpandButton(Context context, @Nullable AttributeSet attrs,
		int defStyleAttr) {
		super(context, attrs, defStyleAttr);
		}

		public NotificationExpandButton(Context context, @Nullable AttributeSet attrs, int defStyleAttr,
		int defStyleRes) {
		super(context, attrs, defStyleAttr, defStyleRes);
		}

		@Override
		public void getBoundsOnScreen(Rect outRect, boolean clipToParent) {
		super.getBoundsOnScreen(outRect, clipToParent);
		extendRectToMinTouchSize(outRect);
		}

		private void extendRectToMinTouchSize(Rect rect) {
		int touchTargetSize = (int) (getResources().getDisplayMetrics().density * 48);
		rect.left = rect.centerX() - touchTargetSize / 2;
		rect.right = rect.left + touchTargetSize;
		rect.top = rect.centerY() - touchTargetSize / 2;
		rect.bottom = rect.top + touchTargetSize;
		}
		}

core/res/res/layout/notification_template_header.xml

+1 −1

Original line number	Diff line number	Diff line
		@@ -89,7 +89,7 @@
		android:layout="@layout/notification_template_part_chronometer"
		android:visibility="gone"
		/>
		<ImageView
		<com.android.internal.widget.NotificationExpandButton
		android:id="@+id/expand_button"
		android:background="@null"
		android:layout_width="wrap_content"

packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java

+60 −4

Original line number	Diff line number	Diff line
		@@ -27,6 +27,7 @@ import android.graphics.drawable.AnimationDrawable;
		import android.graphics.drawable.ColorDrawable;
		import android.graphics.drawable.Drawable;
		import android.os.Build;
		import android.os.Bundle;
		import android.service.notification.StatusBarNotification;
		import android.util.AttributeSet;
		import android.util.FloatProperty;
		@@ -37,11 +38,11 @@ import android.view.NotificationHeaderView;
		import android.view.View;
		import android.view.ViewStub;
		import android.view.accessibility.AccessibilityEvent;
		import android.view.accessibility.AccessibilityNodeInfo;
		import android.widget.Chronometer;
		import android.widget.ImageView;

		import com.android.internal.logging.MetricsLogger;
		import com.android.internal.logging.MetricsProto;
		import com.android.internal.logging.MetricsProto.MetricsEvent;
		import com.android.internal.util.NotificationColorUtil;
		import com.android.systemui.R;
		@@ -50,6 +51,7 @@ import com.android.systemui.statusbar.notification.HybridNotificationView;
		import com.android.systemui.statusbar.phone.NotificationGroupManager;
		import com.android.systemui.statusbar.policy.HeadsUpManager;
		import com.android.systemui.statusbar.stack.NotificationChildrenContainer;
		import com.android.systemui.statusbar.stack.NotificationStackScrollLayout;
		import com.android.systemui.statusbar.stack.StackScrollState;
		import com.android.systemui.statusbar.stack.StackStateAnimator;
		import com.android.systemui.statusbar.stack.StackViewState;
		@@ -149,6 +151,9 @@ public class ExpandableNotificationRow extends ActivatableNotificationView {
		nowExpanded);
		logExpansionEvent(true /* userAction */, wasExpanded);
		} else {
		if (v.isAccessibilityFocused()) {
		mPrivateLayout.setFocusOnVisibilityChange();
		}
		boolean nowExpanded;
		if (isPinned()) {
		nowExpanded = !mExpandedWhenPinned;
		@@ -181,6 +186,9 @@ public class ExpandableNotificationRow extends ActivatableNotificationView {
		}
		};
		private OnClickListener mOnClickListener;
		private View mChildAfterViewWhenDismissed;
		private View mGroupParentWhenDismissed;
		private boolean mRefocusOnDismiss;

		public boolean isGroupExpansionChanging() {
		if (isChildInGroup()) {
		@@ -717,8 +725,19 @@ public class ExpandableNotificationRow extends ActivatableNotificationView {
		}
		}

		public void setDismissed(boolean dismissed) {
		public void setDismissed(boolean dismissed, boolean fromAccessibility) {
		mDismissed = dismissed;
		mGroupParentWhenDismissed = mNotificationParent;
		mRefocusOnDismiss = fromAccessibility;
		mChildAfterViewWhenDismissed = null;
		if (isChildInGroup()) {
		List<ExpandableNotificationRow> notificationChildren =
		mNotificationParent.getNotificationChildren();
		int i = notificationChildren.indexOf(this);
		if (i != -1 && i < notificationChildren.size() - 1) {
		mChildAfterViewWhenDismissed = notificationChildren.get(i + 1);
		}
		}
		}

		public boolean isDismissed() {
		@@ -750,6 +769,14 @@ public class ExpandableNotificationRow extends ActivatableNotificationView {
		return mChildrenContainer;
		}

		public View getChildAfterViewWhenDismissed() {
		return mChildAfterViewWhenDismissed;
		}

		public View getGroupParentWhenDismissed() {
		return mGroupParentWhenDismissed;
		}

		public interface ExpansionLogger {
		public void logNotificationExpansion(String key, boolean userAction, boolean expanded);
		}
		@@ -1326,8 +1353,11 @@ public class ExpandableNotificationRow extends ActivatableNotificationView {

		private void updateClearability() {
		// public versions cannot be dismissed
		mVetoButton.setVisibility(isClearable() && (!mShowingPublic
		\|\| !mSensitiveHiddenInGeneral) ? View.VISIBLE : View.GONE);
		mVetoButton.setVisibility(canViewBeDismissed() ? View.VISIBLE : View.GONE);
		}

		private boolean canViewBeDismissed() {
		return isClearable() && (!mShowingPublic \|\| !mSensitiveHiddenInGeneral);
		}

		public void makeActionsVisibile() {
		@@ -1568,6 +1598,32 @@ public class ExpandableNotificationRow extends ActivatableNotificationView {
		}
		}

		@Override
		public void onInitializeAccessibilityNodeInfoInternal(AccessibilityNodeInfo info) {
		super.onInitializeAccessibilityNodeInfoInternal(info);
		if (canViewBeDismissed()) {
		info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_DISMISS);
		}
		}

		@Override
		public boolean performAccessibilityActionInternal(int action, Bundle arguments) {
		if (super.performAccessibilityActionInternal(action, arguments)) {
		return true;
		}
		switch (action) {
		case AccessibilityNodeInfo.ACTION_DISMISS:
		NotificationStackScrollLayout.performDismiss(this, mGroupManager,
		true /* fromAccessibility */);
		return true;
		}
		return false;
		}

		public boolean shouldRefocusOnDismiss() {
		return mRefocusOnDismiss \|\| isAccessibilityFocused();
		}

		public interface OnExpandClickListener {
		void onExpandClicked(NotificationData.Entry clickedEntry, boolean nowExpanded);
		}

packages/SystemUI/src/com/android/systemui/statusbar/NotificationContentView.java

+24 −1

Original line number	Diff line number	Diff line
		@@ -29,6 +29,7 @@ import android.view.View;
		import android.view.ViewGroup;
		import android.view.ViewTreeObserver;
		import android.widget.FrameLayout;
		import android.widget.ImageView;

		import com.android.internal.util.NotificationColorUtil;
		import com.android.systemui.R;
		@@ -117,6 +118,7 @@ public class NotificationContentView extends FrameLayout {
		private PendingIntent mPreviousHeadsUpRemoteInputIntent;

		private int mContentHeightAtAnimationStart = UNDEFINED;
		private boolean mFocusOnVisibilityChange;


		public NotificationContentView(Context context, AttributeSet attrs) {
		@@ -395,6 +397,19 @@ public class NotificationContentView extends FrameLayout {
		}
		}

		private void focusExpandButtonIfNecessary() {
		if (mFocusOnVisibilityChange) {
		NotificationHeaderView header = getVisibleNotificationHeader();
		if (header != null) {
		ImageView expandButton = header.getExpandButton();
		if (expandButton != null) {
		expandButton.requestAccessibilityFocus();
		}
		}
		mFocusOnVisibilityChange = false;
		}
		}

		public void setContentHeight(int contentHeight) {
		mContentHeight = Math.max(Math.min(contentHeight, getHeight()), getMinHeight());
		selectLayout(mAnimate /* animate /, false / force */);
		@@ -584,7 +599,8 @@ public class NotificationContentView extends FrameLayout {
		updateContentTransformation();
		} else {
		int visibleType = calculateVisibleType();
		if (visibleType != mVisibleType \|\| force) {
		boolean changedType = visibleType != mVisibleType;
		if (changedType \|\| force) {
		View visibleView = getViewForVisibleType(visibleType);
		if (visibleView != null) {
		visibleView.setVisibility(VISIBLE);
		@@ -604,6 +620,9 @@ public class NotificationContentView extends FrameLayout {
		updateViewVisibilities(visibleType);
		}
		mVisibleType = visibleType;
		if (changedType) {
		focusExpandButtonIfNecessary();
		}
		updateBackgroundColor(animate);
		}
		}
		@@ -1133,4 +1152,8 @@ public class NotificationContentView extends FrameLayout {
		mContentHeightAtAnimationStart = UNDEFINED;
		}
		}

		public void setFocusOnVisibilityChange() {
		mFocusOnVisibilityChange = true;
		}
		}