1/*
2 * Copyright (C) 2016 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.support.design.widget;
18
19import static android.support.design.testutils.CollapsingToolbarLayoutActions.setContentScrimColor;
20import static android.support.design.testutils.SwipeUtils.swipeDown;
21import static android.support.design.testutils.SwipeUtils.swipeUp;
22import static android.support.design.testutils.TestUtilsActions.setText;
23import static android.support.design.testutils.TestUtilsActions.setTitle;
24import static android.support.test.espresso.Espresso.onView;
25import static android.support.test.espresso.assertion.ViewAssertions.matches;
26import static android.support.test.espresso.matcher.ViewMatchers.withId;
27
28import static org.junit.Assert.assertEquals;
29
30import android.graphics.Color;
31import android.os.Build;
32import android.os.SystemClock;
33import android.support.annotation.CallSuper;
34import android.support.annotation.IdRes;
35import android.support.annotation.IntRange;
36import android.support.annotation.LayoutRes;
37import android.support.annotation.StringRes;
38import android.support.design.test.R;
39import android.support.design.testutils.Shakespeare;
40import android.support.v4.view.ViewCompat;
41import android.support.v7.app.AppCompatActivity;
42import android.support.v7.widget.Toolbar;
43import android.text.TextUtils;
44import android.widget.TextView;
45
46import org.hamcrest.Description;
47import org.hamcrest.Matcher;
48import org.hamcrest.TypeSafeMatcher;
49
50public abstract class AppBarLayoutBaseTest extends BaseDynamicCoordinatorLayoutTest {
51
52    protected AppBarLayout mAppBar;
53
54    protected CollapsingToolbarLayout mCollapsingToolbar;
55
56    protected Toolbar mToolbar;
57
58    protected TextView mTextView;
59
60    protected float mDefaultElevationValue;
61
62    protected static void performVerticalSwipeUpGesture(@IdRes int containerId, final int swipeX,
63            final int swipeStartY, final int swipeAmountY) {
64        onView(withId(containerId)).perform(swipeUp(swipeX, swipeStartY, swipeAmountY));
65    }
66
67    protected static void performVerticalSwipeDownGesture(@IdRes int containerId, final int swipeX,
68            final int swipeStartY, final int swipeAmountY) {
69        onView(withId(containerId)).perform(swipeDown(swipeX, swipeStartY, swipeAmountY));
70    }
71
72    @CallSuper
73    protected void configureContent(@LayoutRes final int layoutResId,
74            @StringRes final int titleResId) throws Throwable {
75        onView(withId(R.id.coordinator_stub)).perform(inflateViewStub(layoutResId));
76
77        mAppBar = (AppBarLayout) mCoordinatorLayout.findViewById(R.id.app_bar);
78        mCollapsingToolbar =
79                (CollapsingToolbarLayout) mAppBar.findViewById(R.id.collapsing_app_bar);
80        mToolbar = (Toolbar) mAppBar.findViewById(R.id.toolbar);
81
82        final AppCompatActivity activity = mActivityTestRule.getActivity();
83        mActivityTestRule.runOnUiThread(new Runnable() {
84            @Override
85            public void run() {
86                activity.setSupportActionBar(mToolbar);
87            }
88        });
89
90        final CharSequence activityTitle = activity.getString(titleResId);
91        mActivityTestRule.runOnUiThread(new Runnable() {
92            @Override
93            public void run() {
94                activity.setTitle(activityTitle);
95            }
96        });
97
98        if (mCollapsingToolbar != null) {
99            onView(withId(R.id.collapsing_app_bar))
100                    .perform(setTitle(activityTitle))
101                    .perform(setContentScrimColor(Color.MAGENTA));
102        }
103
104        TextView dialog = (TextView) mCoordinatorLayout.findViewById(R.id.textview_dialogue);
105        if (dialog != null) {
106            onView(withId(R.id.textview_dialogue))
107                    .perform(setText(TextUtils.concat(Shakespeare.DIALOGUE)));
108        }
109
110        mDefaultElevationValue = mAppBar.getResources()
111                .getDimension(R.dimen.design_appbar_elevation);
112    }
113
114    protected void assertAppBarElevation(float expectedValue) {
115        if (Build.VERSION.SDK_INT >= 21) {
116            assertEquals(expectedValue, ViewCompat.getElevation(mAppBar), 0.05f);
117        }
118    }
119
120    protected void assertScrimAlpha(@IntRange(from = 0, to = 255) int alpha) {
121        SystemClock.sleep(300);
122        onView(withId(R.id.collapsing_app_bar))
123                .check(matches(withScrimAlpha(alpha)));
124    }
125
126    static Matcher withScrimAlpha(final int alpha) {
127        return new TypeSafeMatcher<CollapsingToolbarLayout>() {
128            @Override
129            public void describeTo(Description description) {
130                description.appendText(
131                        "CollapsingToolbarLayout has content scrim with alpha: " + alpha);
132            }
133
134            @Override
135            protected boolean matchesSafely(CollapsingToolbarLayout view) {
136                return alpha == view.getScrimAlpha();
137            }
138        };
139    }
140}
141