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      1 /*
      2  * Copyright (C) 2007 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.widget.focus;
     18 
     19 import android.widget.focus.FocusAfterRemoval;
     20 import com.android.frameworks.coretests.R;
     21 
     22 import android.test.ActivityInstrumentationTestCase;
     23 import android.test.suitebuilder.annotation.MediumTest;
     24 import android.widget.Button;
     25 import android.widget.LinearLayout;
     26 import android.view.KeyEvent;
     27 import android.view.View;
     28 
     29 /**
     30  * {@link FocusAfterRemoval} is set up to exercise cases where the views that
     31  * have focus become invisible or GONE.
     32  */
     33 public class FocusAfterRemovalTest extends ActivityInstrumentationTestCase<FocusAfterRemoval> {
     34 
     35     private LinearLayout mLeftLayout;
     36     private Button mTopLeftButton;
     37     private Button mBottomLeftButton;
     38     private Button mTopRightButton;
     39     private Button mBottomRightButton;
     40 
     41     public FocusAfterRemovalTest() {
     42         super("com.android.frameworks.coretests", FocusAfterRemoval.class);
     43     }
     44 
     45     @Override
     46     public void setUp() throws Exception {
     47         super.setUp();
     48 
     49         final FocusAfterRemoval a = getActivity();
     50         mLeftLayout = (LinearLayout) a.findViewById(R.id.leftLayout);
     51         mTopLeftButton = (Button) a.findViewById(R.id.topLeftButton);
     52         mBottomLeftButton = (Button) a.findViewById(R.id.bottomLeftButton);
     53         mTopRightButton = (Button) a.findViewById(R.id.topRightButton);
     54         mBottomRightButton = (Button) a.findViewById(R.id.bottomRightButton);
     55     }
     56 
     57     // Test that setUp did what we expect it to do.  These asserts
     58     // can't go in SetUp, or the test will hang.
     59     @MediumTest
     60     public void testSetUpConditions() throws Exception {
     61         assertNotNull(mLeftLayout);
     62         assertNotNull(mTopLeftButton);
     63         assertNotNull(mTopRightButton);
     64         assertNotNull(mBottomLeftButton);
     65         assertNotNull(mBottomRightButton);
     66 
     67         assertTrue(mTopLeftButton.hasFocus());
     68     }
     69 
     70     // if a parent layout becomes GONE when one of its children has focus,
     71     // make sure the focus moves to something visible (bug 827087)
     72     @MediumTest
     73     public void testFocusLeavesWhenParentLayoutIsGone() throws Exception {
     74 
     75         // clicking on this button makes its parent linear layout GONE
     76         sendKeys(KeyEvent.KEYCODE_DPAD_CENTER);
     77         assertEquals(View.GONE, mLeftLayout.getVisibility());
     78 
     79         assertTrue("focus should jump to visible button",
     80                 mTopRightButton.hasFocus());
     81 
     82     }
     83 
     84     @MediumTest
     85     public void testFocusLeavesWhenParentLayoutInvisible() throws Exception {
     86 
     87         // move down to bottom left button
     88         sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
     89         assertTrue(mBottomLeftButton.hasFocus());
     90 
     91         // clicking on this button makes its parent linear layout INVISIBLE
     92         sendKeys(KeyEvent.KEYCODE_DPAD_CENTER);
     93         assertEquals(View.INVISIBLE,
     94                 getActivity().findViewById(R.id.leftLayout).getVisibility());
     95 
     96         assertTrue("focus should jump to visible button",
     97                 mTopRightButton.hasFocus());
     98     }
     99 
    100     @MediumTest
    101     public void testFocusLeavesWhenFocusedViewBecomesGone() throws Exception {
    102 
    103         // move to top right
    104         sendKeys(KeyEvent.KEYCODE_DPAD_RIGHT);
    105         assertTrue(mTopRightButton.hasFocus());
    106 
    107         // click making it GONE
    108         sendKeys(KeyEvent.KEYCODE_DPAD_CENTER);
    109         assertEquals(View.GONE, mTopRightButton.getVisibility());
    110 
    111         assertTrue("focus should jump to visible button",
    112                 mTopLeftButton.hasFocus());
    113     }
    114 
    115     @MediumTest
    116     public void testFocusLeavesWhenFocusedViewBecomesInvisible() throws Exception {
    117 
    118         // move to bottom right
    119         sendKeys(KeyEvent.KEYCODE_DPAD_RIGHT);
    120         sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
    121         assertTrue(mBottomRightButton.hasFocus());
    122 
    123         // click making it INVISIBLE
    124         sendKeys(KeyEvent.KEYCODE_DPAD_CENTER);
    125         assertEquals(View.INVISIBLE, mBottomRightButton.getVisibility());
    126 
    127         assertTrue("focus should jump to visible button",
    128                 mTopLeftButton.hasFocus());
    129     }
    130 
    131 }
    132