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      1 /*
      2  * Copyright (C) 2008 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.scroll.arrowscroll;
     18 
     19 import android.widget.scroll.ButtonsWithTallTextViewInBetween;
     20 
     21 import android.graphics.Rect;
     22 import android.test.ActivityInstrumentationTestCase;
     23 import android.test.suitebuilder.annotation.MediumTest;
     24 import android.view.KeyEvent;
     25 import android.view.View;
     26 import android.widget.Button;
     27 import android.widget.ScrollView;
     28 import android.widget.TextView;
     29 
     30 public class ButtonsWithTallTextViewInBetweenTest
     31         extends ActivityInstrumentationTestCase<ButtonsWithTallTextViewInBetween> {
     32 
     33     private ScrollView mScrollView;
     34     private Button mTopButton;
     35     private TextView mMiddleFiller;
     36     private TextView mBottomButton;
     37 
     38     public ButtonsWithTallTextViewInBetweenTest() {
     39         super("com.android.frameworks.coretests", ButtonsWithTallTextViewInBetween.class);
     40     }
     41 
     42     @Override
     43     protected void setUp() throws Exception {
     44         super.setUp();
     45 
     46         mScrollView = getActivity().getScrollView();
     47         mTopButton = getActivity().getTopButton();
     48         mMiddleFiller = getActivity().getMiddleFiller();
     49         mBottomButton = getActivity().getBottomButton();
     50     }
     51 
     52     private Rect mTempRect = new Rect();
     53 
     54     private int getTopWithinScrollView(View descendant) {
     55         descendant.getDrawingRect(mTempRect);
     56         mScrollView.offsetDescendantRectToMyCoords(descendant, mTempRect);
     57         return mTempRect.top;
     58     }
     59 
     60     private int getBottomWithinScrollView(View descendant) {
     61         descendant.getDrawingRect(mTempRect);
     62         mScrollView.offsetDescendantRectToMyCoords(descendant, mTempRect);
     63         return mTempRect.bottom;
     64     }
     65 
     66     @MediumTest
     67     public void testPreconditions() {
     68         assertTrue("top button should be shorter than max scroll amount",
     69                 mTopButton.getHeight() <
     70                 mScrollView.getMaxScrollAmount());
     71         assertTrue("bottom button should be further than max scroll amount off screen",
     72                 getTopWithinScrollView(mBottomButton)- mScrollView.getBottom() > mScrollView.getMaxScrollAmount());
     73     }
     74 
     75     @MediumTest
     76     public void testPanTopButtonOffScreenLosesFocus() {
     77         sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
     78 
     79         assertEquals("scroll view should be scrolled by the max amount for one "
     80                 + "arrow navigation",
     81                 mScrollView.getMaxScrollAmount(),
     82                 mScrollView.getScrollY());
     83 
     84         assertTrue("top button should be off screen",
     85                 getBottomWithinScrollView(mTopButton) < mScrollView.getScrollY());
     86 
     87         assertFalse("top button should have lost focus",
     88                 mTopButton.isFocused());
     89 
     90         assertTrue("scroll view should be focused", mScrollView.isFocused());
     91     }
     92 
     93     @MediumTest
     94     public void testScrollDownToBottomButton() throws Exception {
     95         final int screenBottom = mScrollView.getScrollY() + mScrollView.getHeight();
     96         final int numDownsToButtonButton =
     97                 ((getBottomWithinScrollView(mBottomButton) - screenBottom)) / mScrollView.getMaxScrollAmount() + 1;
     98 
     99         for (int i = 0; i < numDownsToButtonButton; i++) {
    100             sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
    101         }
    102 
    103         assertTrue("bottombutton.isFocused", mBottomButton.isFocused());
    104 
    105         assertEquals("should be fully scrolled to bottom",
    106                 getActivity().getLinearLayout().getHeight() - mScrollView.getHeight(),
    107                 mScrollView.getScrollY());
    108     }
    109 
    110     @MediumTest
    111     public void testPanBottomButtonOffScreenLosesFocus() throws Exception {
    112         mBottomButton.post(new Runnable() {
    113             public void run() {
    114                 mBottomButton.requestFocus();
    115             }
    116         });
    117 
    118         getInstrumentation().waitForIdleSync();
    119 
    120         assertTrue("bottombutton.isFocused", mBottomButton.isFocused());
    121         final int maxScroll = getActivity().getLinearLayout().getHeight()
    122                 - mScrollView.getHeight();
    123         assertEquals("should be fully scrolled to bottom",
    124                 maxScroll,
    125                 mScrollView.getScrollY());
    126 
    127         sendKeys(KeyEvent.KEYCODE_DPAD_UP);
    128 
    129         assertEquals("scroll view should have scrolled by the max amount for one "
    130                 + "arrow navigation",
    131                 maxScroll - mScrollView.getMaxScrollAmount(),
    132                 mScrollView.getScrollY());
    133 
    134         assertTrue("bottom button should be off screen",
    135                 getTopWithinScrollView(mBottomButton) > mScrollView.getScrollY() + mScrollView.getHeight());
    136 
    137         assertFalse("bottom button should have lost focus",
    138                 mBottomButton.isFocused());
    139 
    140         assertTrue("scroll view should be focused", mScrollView.isFocused());
    141     }
    142 }
    143