1/*
2 * Copyright (C) 2011 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
17package android.view;
18
19import android.content.Context;
20import android.content.pm.ActivityInfo;
21import android.graphics.PixelFormat;
22import android.os.SystemClock;
23import android.support.test.filters.LargeTest;
24import android.test.ActivityInstrumentationTestCase2;
25import android.test.UiThreadTest;
26import android.view.View;
27import android.view.ViewGroup;
28import android.view.WindowManager;
29
30import com.android.frameworks.coretests.R;
31
32@LargeTest
33public class ViewAttachTest extends
34        ActivityInstrumentationTestCase2<ViewAttachTestActivity> {
35
36    public ViewAttachTest() {
37        super(ViewAttachTestActivity.class);
38    }
39
40    /**
41     * Make sure that onAttachedToWindow and onDetachedToWindow is called in the
42     * correct order. The ViewAttachTestActivity contains a view that will throw
43     * a RuntimeException if onDetachedToWindow and onAttachedToWindow are
44     * called in the wrong order.
45     *
46     * 1. Initiate the activity 2. Perform a series of orientation changes to
47     * the activity (this will force the View hierarchy to be rebuilt,
48     * generating onAttachedToWindow and onDetachedToWindow)
49     *
50     * Expected result: No RuntimeException is thrown from the TestView in
51     * ViewFlipperTestActivity.
52     *
53     * @throws Throwable
54     */
55    public void testAttached() throws Throwable {
56        final ViewAttachTestActivity activity = getActivity();
57        for (int i = 0; i < 20; i++) {
58            activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
59            SystemClock.sleep(250);
60            activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
61            SystemClock.sleep(250);
62        }
63    }
64
65    /**
66     * Make sure that on any attached view, if the view is full-screen and hosted
67     * on a round device, the round scrollbars will be displayed even if the activity
68     * window is offset.
69     *
70     * @throws Throwable
71     */
72    @UiThreadTest
73    public void testRoundScrollbars() throws Throwable {
74        final ViewAttachTestActivity activity = getActivity();
75        final View rootView = activity.getWindow().getDecorView();
76        final WindowManager.LayoutParams params =
77            new WindowManager.LayoutParams(
78                rootView.getWidth(),
79                rootView.getHeight(),
80                50, /* xPosition */
81                0, /* yPosition */
82                WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY,
83                WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN,
84                PixelFormat.TRANSLUCENT);
85
86        rootView.setLayoutParams(params);
87
88        View contentView = activity.findViewById(R.id.view_attach_view);
89        boolean shouldDrawRoundScrollbars = contentView.shouldDrawRoundScrollbar();
90
91        if (activity.getResources().getConfiguration().isScreenRound()) {
92            assertTrue(shouldDrawRoundScrollbars);
93        } else {
94            // Never draw round scrollbars on non-round devices.
95            assertFalse(shouldDrawRoundScrollbars);
96        }
97    }
98}
99