summaryrefslogtreecommitdiffstats
path: root/quickstep/src/com/android/launcher3/uioverrides/UiFactory.java
blob: ff9d601efd4fee189c190c95fc53c7e6c740659d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.launcher3.uioverrides;

import static com.android.launcher3.AbstractFloatingView.TYPE_ALL;
import static com.android.launcher3.AbstractFloatingView.TYPE_HIDE_BACK_BUTTON;
import static com.android.launcher3.LauncherState.ALL_APPS;
import static com.android.launcher3.LauncherState.NORMAL;
import static com.android.launcher3.LauncherState.OVERVIEW;
import static com.android.launcher3.allapps.DiscoveryBounce.HOME_BOUNCE_SEEN;
import static com.android.launcher3.allapps.DiscoveryBounce.SHELF_BOUNCE_SEEN;

import android.animation.AnimatorSet;
import android.animation.ValueAnimator;
import android.app.Activity;
import android.content.Context;
import android.os.CancellationSignal;
import android.util.Base64;

import com.android.launcher3.AbstractFloatingView;
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.Launcher;
import com.android.launcher3.LauncherState;
import com.android.launcher3.LauncherStateManager;
import com.android.launcher3.LauncherStateManager.StateHandler;
import com.android.launcher3.QuickstepAppTransitionManagerImpl;
import com.android.launcher3.Utilities;
import com.android.launcher3.config.FeatureFlags;
import com.android.launcher3.util.TouchController;
import com.android.launcher3.util.UiThreadHelper;
import com.android.launcher3.util.UiThreadHelper.AsyncCommand;
import com.android.quickstep.OverviewInteractionState;
import com.android.quickstep.RecentsModel;
import com.android.quickstep.util.RemoteFadeOutAnimationListener;
import com.android.systemui.shared.system.ActivityCompat;
import com.android.systemui.shared.system.WindowManagerWrapper;

import java.io.ByteArrayOutputStream;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.zip.Deflater;

public class UiFactory {

    private static final AsyncCommand SET_SHELF_HEIGHT_CMD = (visible, height) ->
            WindowManagerWrapper.getInstance().setShelfHeight(visible != 0, height);

    public static TouchController[] createTouchControllers(Launcher launcher) {
        boolean swipeUpEnabled = OverviewInteractionState.INSTANCE.get(launcher)
                .isSwipeUpGestureEnabled();
        ArrayList<TouchController> list = new ArrayList<>();
        list.add(launcher.getDragController());

        if (!swipeUpEnabled || launcher.getDeviceProfile().isVerticalBarLayout()) {
            list.add(new OverviewToAllAppsTouchController(launcher));
        }

        if (launcher.getDeviceProfile().isVerticalBarLayout()) {
            list.add(new LandscapeEdgeSwipeController(launcher));
        } else {
            list.add(new PortraitStatesTouchController(launcher));
        }
        if (FeatureFlags.PULL_DOWN_STATUS_BAR && Utilities.IS_DEBUG_DEVICE
                && !launcher.getDeviceProfile().isMultiWindowMode
                && !launcher.getDeviceProfile().isVerticalBarLayout()) {
            list.add(new StatusBarTouchController(launcher));
        }
        TouchController taskSwipeController =
                RecentsUiFactory.createTaskSwipeController(launcher);
        if (taskSwipeController != null) {
            list.add(taskSwipeController);
        }
        return list.toArray(new TouchController[list.size()]);
    }

    public static void setOnTouchControllersChangedListener(Context context, Runnable listener) {
        OverviewInteractionState.INSTANCE.get(context).setOnSwipeUpSettingChangedListener(listener);
    }

    public static StateHandler[] getStateHandler(Launcher launcher) {
        return new StateHandler[] {launcher.getAllAppsController(), launcher.getWorkspace(),
                RecentsUiFactory.createRecentsViewStateController(launcher),
                new BackButtonAlphaHandler(launcher)};
    }

    /**
     * Sets the back button visibility based on the current state/window focus.
     */
    public static void onLauncherStateOrFocusChanged(Launcher launcher) {
        boolean shouldBackButtonBeHidden = launcher != null
                && launcher.getStateManager().getState().hideBackButton
                && launcher.hasWindowFocus();
        if (shouldBackButtonBeHidden) {
            // Show the back button if there is a floating view visible.
            shouldBackButtonBeHidden = AbstractFloatingView.getTopOpenViewWithType(launcher,
                    TYPE_ALL & ~TYPE_HIDE_BACK_BUTTON) == null;
        }
        OverviewInteractionState.INSTANCE.get(launcher)
                .setBackButtonAlpha(shouldBackButtonBeHidden ? 0 : 1, true /* animate */);
    }

    public static void resetOverview(Launcher launcher) {
        RecentsUiFactory.resetRecents(launcher);
    }

    public static void onCreate(Launcher launcher) {
        if (!launcher.getSharedPrefs().getBoolean(HOME_BOUNCE_SEEN, false)) {
            launcher.getStateManager().addStateListener(new LauncherStateManager.StateListener() {
                @Override
                public void onStateSetImmediately(LauncherState state) {
                    onStateTransitionComplete(state);
                }

                @Override
                public void onStateTransitionStart(LauncherState toState) {
                }

                @Override
                public void onStateTransitionComplete(LauncherState finalState) {
                    boolean swipeUpEnabled = OverviewInteractionState.INSTANCE.get(launcher)
                            .isSwipeUpGestureEnabled();
                    LauncherState prevState = launcher.getStateManager().getLastState();

                    if (((swipeUpEnabled && finalState == OVERVIEW) || (!swipeUpEnabled
                            && finalState == ALL_APPS && prevState == NORMAL))) {
                        launcher.getSharedPrefs().edit().putBoolean(HOME_BOUNCE_SEEN, true).apply();
                        launcher.getStateManager().removeStateListener(this);
                    }
                }
            });
        }

        if (!launcher.getSharedPrefs().getBoolean(SHELF_BOUNCE_SEEN, false)) {
            launcher.getStateManager().addStateListener(new LauncherStateManager.StateListener() {
                @Override
                public void onStateSetImmediately(LauncherState state) {
                    onStateTransitionComplete(state);
                }

                @Override
                public void onStateTransitionStart(LauncherState toState) {
                }

                @Override
                public void onStateTransitionComplete(LauncherState finalState) {
                    LauncherState prevState = launcher.getStateManager().getLastState();

                    if (finalState == ALL_APPS && prevState == OVERVIEW) {
                        launcher.getSharedPrefs().edit().putBoolean(SHELF_BOUNCE_SEEN, true).apply();
                        launcher.getStateManager().removeStateListener(this);
                    }
                }
            });
        }
    }

    public static void onEnterAnimationComplete(Context context) {
        // After the transition to home, enable the high-res thumbnail loader if it wasn't enabled
        // as a part of quickstep/scrub, so that high-res thumbnails can load the next time we
        // enter overview
        RecentsModel.INSTANCE.get(context).getThumbnailCache()
                .getHighResLoadingState().setVisible(true);
    }

    public static void onLauncherStateOrResumeChanged(Launcher launcher) {
        LauncherState state = launcher.getStateManager().getState();
        if (!OverviewInteractionState.INSTANCE.get(launcher).swipeGestureInitializing()) {
            DeviceProfile profile = launcher.getDeviceProfile();
            boolean visible = (state == NORMAL || state == OVERVIEW) && launcher.isUserActive()
                    && !profile.isVerticalBarLayout();
            UiThreadHelper.runAsyncCommand(launcher, SET_SHELF_HEIGHT_CMD,
                    visible ? 1 : 0, profile.hotseatBarSizePx);
        }

        RecentsUiFactory.onLauncherStateOrResumeChanged(launcher);
    }

    public static void onTrimMemory(Context context, int level) {
        RecentsModel model = RecentsModel.INSTANCE.get(context);
        if (model != null) {
            model.onTrimMemory(level);
        }
    }

    public static void useFadeOutAnimationForLauncherStart(Launcher launcher,
            CancellationSignal cancellationSignal) {
        QuickstepAppTransitionManagerImpl appTransitionManager =
                (QuickstepAppTransitionManagerImpl) launcher.getAppTransitionManager();
        appTransitionManager.setRemoteAnimationProvider((targets) -> {

            // On the first call clear the reference.
            cancellationSignal.cancel();

            ValueAnimator fadeAnimation = ValueAnimator.ofFloat(1, 0);
            fadeAnimation.addUpdateListener(new RemoteFadeOutAnimationListener(targets));
            AnimatorSet anim = new AnimatorSet();
            anim.play(fadeAnimation);
            return anim;
        }, cancellationSignal);
    }

    public static boolean dumpActivity(Activity activity, PrintWriter writer) {
        if (!Utilities.IS_DEBUG_DEVICE) {
            return false;
        }
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        if (!(new ActivityCompat(activity).encodeViewHierarchy(out))) {
            return false;
        }

        Deflater deflater = new Deflater();
        deflater.setInput(out.toByteArray());
        deflater.finish();

        out.reset();
        byte[] buffer = new byte[1024];
        while (!deflater.finished()) {
            int count = deflater.deflate(buffer); // returns the generated code... index
            out.write(buffer, 0, count);
        }

        writer.println("--encoded-view-dump-v0--");
        writer.println(Base64.encodeToString(
                out.toByteArray(), Base64.NO_WRAP | Base64.NO_PADDING));
        return true;
    }

    public static void prepareToShowOverview(Launcher launcher) {
        RecentsUiFactory.prepareToShowRecents(launcher);
    }
}