Merge "SysUI A11y: Fix keyguard time utterance" into oc-dev (898b0cb3) · Commits · e / os / android_frameworks_base

packages/SystemUI/res-keyguard/values/strings.xml

+3 −0

Original line number	Diff line number	Diff line
		@@ -102,6 +102,9 @@
		<string name="keyguard_widget_12_hours_format" translatable="false">h\uee01mm</string>
		<!-- Time format strings for fall-back clock widget -->
		<string name="keyguard_widget_24_hours_format" translatable="false">kk\uee01mm</string>
		<!-- The character used in keyguard_widget_12_hours_format and keyguard_widget_24_hours_format
		to represent a ":". -->
		<string name="keyguard_fancy_colon" translatable="false">\uee01</string>

		<!-- Accessibility description of the PIN password view. [CHAR_LIMIT=none] -->
		<string name="keyguard_accessibility_pin_area">PIN area</string>

packages/SystemUI/src/com/android/keyguard/KeyguardClockAccessibilityDelegate.java

0 → 100644

+67 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2017 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.keyguard;

		import android.content.Context;
		import android.text.TextUtils;
		import android.view.View;
		import android.view.accessibility.AccessibilityEvent;
		import android.view.accessibility.AccessibilityNodeInfo;
		import android.widget.TextView;

		/**
		* Replaces fancy colons with regular colons. Only works on TextViews.
		*/
		class KeyguardClockAccessibilityDelegate extends View.AccessibilityDelegate {
		private final String mFancyColon;

		public KeyguardClockAccessibilityDelegate(Context context) {
		mFancyColon = context.getString(R.string.keyguard_fancy_colon);
		}

		@Override
		public void onInitializeAccessibilityEvent(View host, AccessibilityEvent event) {
		super.onInitializeAccessibilityEvent(host, event);
		CharSequence text = event.getContentDescription();
		if (!TextUtils.isEmpty(text)) {
		event.setContentDescription(replaceFancyColon(text));
		}
		}

		@Override
		public void onPopulateAccessibilityEvent(View host, AccessibilityEvent event) {
		CharSequence text = ((TextView) host).getText();
		if (!TextUtils.isEmpty(text)) {
		event.getText().add(replaceFancyColon(text));
		}
		}

		@Override
		public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) {
		super.onInitializeAccessibilityNodeInfo(host, info);
		if (!TextUtils.isEmpty(info.getText())) {
		info.setText(replaceFancyColon(info.getText()));
		}
		if (!TextUtils.isEmpty(info.getContentDescription())) {
		info.setContentDescription(replaceFancyColon(info.getContentDescription()));
		}
		}

		private CharSequence replaceFancyColon(CharSequence text) {
		return text.toString().replace(mFancyColon, ":");
		}
		}

packages/SystemUI/src/com/android/keyguard/KeyguardStatusView.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -38,7 +38,6 @@ import com.android.internal.util.ArrayUtils;
		import com.android.internal.widget.LockPatternUtils;
		import com.android.systemui.ChargingView;

		import java.util.Arrays;
		import java.util.Locale;

		public class KeyguardStatusView extends GridLayout {
		@@ -121,6 +120,7 @@ public class KeyguardStatusView extends GridLayout {
		mClockView = findViewById(R.id.clock_view);
		mDateView.setShowCurrentUserTime(true);
		mClockView.setShowCurrentUserTime(true);
		mClockView.setAccessibilityDelegate(new KeyguardClockAccessibilityDelegate(mContext));
		mOwnerInfo = findViewById(R.id.owner_info);
		mBatteryDoze = findViewById(R.id.battery_doze);
		mVisibleInDoze = new View[]{mBatteryDoze, mClockView};

packages/SystemUI/tests/src/com/android/keyguard/KeyguardClockAccessibilityDelegateTest.java

0 → 100644

+91 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2017 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.keyguard;

		import static org.junit.Assert.assertFalse;
		import static org.junit.Assert.assertTrue;

		import android.content.Context;
		import android.support.test.InstrumentationRegistry;
		import android.text.TextUtils;
		import android.view.accessibility.AccessibilityEvent;
		import android.view.accessibility.AccessibilityNodeInfo;
		import android.widget.TextView;

		import org.junit.Before;
		import org.junit.Test;

		import java.util.List;

		public class KeyguardClockAccessibilityDelegateTest {

		private Context mContext;
		private TextView mView;

		@Before
		public void setUp() throws Exception {
		mContext = InstrumentationRegistry.getContext();
		mView = new TextView(mContext);
		mView.setText(R.string.keyguard_widget_12_hours_format);
		mView.setContentDescription(mContext.getString(R.string.keyguard_widget_12_hours_format));
		mView.setAccessibilityDelegate(new KeyguardClockAccessibilityDelegate(mContext));
		}

		@Test
		public void onInitializeAccessibilityEvent_producesNonEmptyAsciiContentDesc() throws Exception {
		AccessibilityEvent ev = AccessibilityEvent.obtain();
		mView.onInitializeAccessibilityEvent(ev);

		assertFalse(TextUtils.isEmpty(ev.getContentDescription()));
		assertTrue(isAscii(ev.getContentDescription()));
		}

		@Test
		public void onPopulateAccessibilityEvent_producesNonEmptyAsciiText() throws Exception {
		AccessibilityEvent ev = AccessibilityEvent.obtain();
		mView.onPopulateAccessibilityEvent(ev);

		assertFalse(isEmpty(ev.getText()));
		assertTrue(isAscii(ev.getText()));
		}

		@Test
		public void onInitializeAccessibilityNodeInfo_producesNonEmptyAsciiText() throws Exception {
		AccessibilityNodeInfo info = AccessibilityNodeInfo.obtain();
		// Usually done in View.onInitializeAccessibilityNodeInfoInternal, but only when attached.
		info.setContentDescription(mView.getContentDescription());
		mView.onInitializeAccessibilityNodeInfo(info);

		assertFalse(TextUtils.isEmpty(info.getText()));
		assertTrue(isAscii(info.getText()));

		assertFalse(TextUtils.isEmpty(info.getContentDescription()));
		assertTrue(isAscii(info.getContentDescription()));
		}

		private boolean isAscii(CharSequence text) {
		return text.chars().allMatch((i) -> i < 128);
		}

		private boolean isAscii(List<CharSequence> texts) {
		return texts.stream().allMatch(this::isAscii);
		}

		private boolean isEmpty(List<CharSequence> texts) {
		return texts.stream().allMatch(TextUtils::isEmpty);
		}
		}
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