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      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.text.method.cts;
     18 
     19 import static android.provider.Settings.System.TEXT_AUTO_CAPS;
     20 
     21 import android.app.AppOpsManager;
     22 import android.app.Instrumentation;
     23 import android.content.ContentResolver;
     24 import android.content.Context;
     25 import android.provider.Settings;
     26 import android.text.cts.R;
     27 import android.text.method.KeyListener;
     28 import android.util.Log;
     29 import android.view.KeyEvent;
     30 import android.widget.EditText;
     31 
     32 import androidx.test.InstrumentationRegistry;
     33 import androidx.test.rule.ActivityTestRule;
     34 
     35 import com.android.compatibility.common.util.PollingCheck;
     36 import com.android.compatibility.common.util.SystemUtil;
     37 
     38 import org.junit.Before;
     39 import org.junit.Rule;
     40 
     41 import java.io.IOException;
     42 
     43 /**
     44  * Base class for various KeyListener tests.
     45  */
     46 public abstract class KeyListenerTestCase {
     47     private static final String TAG = "KeyListenerTestCase";
     48 
     49     protected KeyListenerCtsActivity mActivity;
     50     protected Instrumentation mInstrumentation;
     51     protected EditText mTextView;
     52     private int mAutoCapSetting;
     53 
     54     @Rule
     55     public ActivityTestRule<KeyListenerCtsActivity> mActivityRule =
     56             new ActivityTestRule<>(KeyListenerCtsActivity.class);
     57 
     58     @Before
     59     public void setup() throws IOException {
     60         mInstrumentation = InstrumentationRegistry.getInstrumentation();
     61         mActivity = mActivityRule.getActivity();
     62         mTextView = mActivity.findViewById(R.id.keylistener_textview);
     63 
     64         PollingCheck.waitFor(5000, mActivity::hasWindowFocus);
     65     }
     66 
     67     protected void enableAutoCapSettings() throws IOException {
     68         grantWriteSettingsPermission();
     69         final Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();
     70         final Context context = instrumentation.getContext();
     71         instrumentation.runOnMainSync(() -> {
     72             final ContentResolver resolver = context.getContentResolver();
     73             mAutoCapSetting = Settings.System.getInt(resolver, TEXT_AUTO_CAPS, 1);
     74             try {
     75                 Settings.System.putInt(resolver, TEXT_AUTO_CAPS, 1);
     76             } catch (SecurityException e) {
     77                 Log.e(TAG, "Cannot set TEXT_AUTO_CAPS to 1", e);
     78                 // ignore
     79             }
     80         });
     81         instrumentation.waitForIdleSync();
     82     }
     83 
     84     protected void resetAutoCapSettings() throws IOException {
     85         grantWriteSettingsPermission();
     86         final Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();
     87         final Context context = instrumentation.getContext();
     88         instrumentation.runOnMainSync(() -> {
     89             final ContentResolver resolver = context.getContentResolver();
     90             try {
     91                 Settings.System.putInt(resolver, TEXT_AUTO_CAPS, mAutoCapSetting);
     92             } catch (SecurityException e) {
     93                 Log.e(TAG, "Cannot set TEXT_AUTO_CAPS to previous value", e);
     94                 // ignore
     95             }
     96         });
     97         instrumentation.waitForIdleSync();
     98     }
     99 
    100     /**
    101      * Synchronously sets mTextView's key listener on the UI thread.
    102      */
    103     protected void setKeyListenerSync(final KeyListener keyListener) {
    104         mInstrumentation.runOnMainSync(() -> mTextView.setKeyListener(keyListener));
    105         mInstrumentation.waitForIdleSync();
    106     }
    107 
    108     protected static KeyEvent getKey(int keycode, int metaState) {
    109         long currentTime = System.currentTimeMillis();
    110         return new KeyEvent(currentTime, currentTime, KeyEvent.ACTION_DOWN, keycode,
    111                 0 /* repeat */, metaState);
    112     }
    113 
    114     private void grantWriteSettingsPermission() throws IOException {
    115         SystemUtil.runShellCommand(InstrumentationRegistry.getInstrumentation(),
    116                 "appops set " + mActivity.getPackageName() + " "
    117                         + AppOpsManager.OPSTR_WRITE_SETTINGS + " allow");
    118     }
    119 }
    120