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
17package com.android.launcher3;
18
19import android.animation.ObjectAnimator;
20import android.animation.PropertyValuesHolder;
21import android.annotation.TargetApi;
22import android.app.ActivityManager;
23import android.content.Context;
24import android.content.SharedPreferences;
25import android.graphics.drawable.Drawable;
26import android.os.Build;
27import android.os.Bundle;
28import android.os.UserManager;
29import android.provider.Settings;
30import android.view.LayoutInflater;
31import android.view.View;
32import android.view.View.OnClickListener;
33import android.view.View.OnLongClickListener;
34import android.view.ViewGroup;
35import android.view.ViewTreeObserver.OnGlobalLayoutListener;
36import android.view.accessibility.AccessibilityManager;
37
38import com.android.launcher3.util.Thunk;
39
40class LauncherClings implements OnClickListener {
41    private static final String MIGRATION_CLING_DISMISSED_KEY = "cling_gel.migration.dismissed";
42    private static final String WORKSPACE_CLING_DISMISSED_KEY = "cling_gel.workspace.dismissed";
43
44    private static final String TAG_CROP_TOP_AND_SIDES = "crop_bg_top_and_sides";
45
46    private static final int SHOW_CLING_DURATION = 250;
47    private static final int DISMISS_CLING_DURATION = 200;
48
49    // New Secure Setting in L
50    private static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
51
52    @Thunk Launcher mLauncher;
53    private LayoutInflater mInflater;
54    @Thunk boolean mIsVisible;
55
56    /** Ctor */
57    public LauncherClings(Launcher launcher) {
58        mLauncher = launcher;
59        mInflater = LayoutInflater.from(mLauncher);
60    }
61
62    @Override
63    public void onClick(View v) {
64        int id = v.getId();
65        if (id == R.id.cling_dismiss_migration_use_default) {
66            // Disable the migration cling
67            dismissMigrationCling();
68        } else if (id == R.id.cling_dismiss_migration_copy_apps) {
69            // Copy the shortcuts from the old database
70            LauncherModel model = mLauncher.getModel();
71            model.resetLoadedState(false, true);
72            model.startLoader(PagedView.INVALID_RESTORE_PAGE,
73                    LauncherModel.LOADER_FLAG_CLEAR_WORKSPACE
74                            | LauncherModel.LOADER_FLAG_MIGRATE_SHORTCUTS);
75            // Set the flag to skip the folder cling
76            String spKey = LauncherAppState.getSharedPreferencesKey();
77            SharedPreferences sp = mLauncher.getSharedPreferences(spKey, Context.MODE_PRIVATE);
78            SharedPreferences.Editor editor = sp.edit();
79            editor.putBoolean(Launcher.USER_HAS_MIGRATED, true);
80            editor.apply();
81            // Disable the migration cling
82            dismissMigrationCling();
83        } else if (id == R.id.cling_dismiss_longpress_info) {
84            dismissLongPressCling();
85        }
86    }
87
88    /**
89     * Shows the migration cling.
90     *
91     * This flow is mutually exclusive with showFirstRunCling, and only runs if this Launcher
92     * package was not preinstalled and there exists a db to migrate from.
93     */
94    public void showMigrationCling() {
95        mIsVisible = true;
96        mLauncher.hideWorkspaceSearchAndHotseat();
97
98        ViewGroup root = (ViewGroup) mLauncher.findViewById(R.id.launcher);
99        View inflated = mInflater.inflate(R.layout.migration_cling, root);
100        inflated.findViewById(R.id.cling_dismiss_migration_copy_apps).setOnClickListener(this);
101        inflated.findViewById(R.id.cling_dismiss_migration_use_default).setOnClickListener(this);
102    }
103
104    private void dismissMigrationCling() {
105        mLauncher.showWorkspaceSearchAndHotseat();
106        Runnable dismissCb = new Runnable() {
107            public void run() {
108                Runnable cb = new Runnable() {
109                    public void run() {
110                        // Show the longpress cling next
111                        showLongPressCling(false);
112                    }
113                };
114                dismissCling(mLauncher.findViewById(R.id.migration_cling), cb,
115                        MIGRATION_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION);
116            }
117        };
118        mLauncher.getWorkspace().post(dismissCb);
119    }
120
121    public void showLongPressCling(boolean showWelcome) {
122        mIsVisible = true;
123        ViewGroup root = (ViewGroup) mLauncher.findViewById(R.id.launcher);
124        View cling = mInflater.inflate(R.layout.longpress_cling, root, false);
125
126        cling.setOnLongClickListener(new OnLongClickListener() {
127
128            @Override
129            public boolean onLongClick(View v) {
130                mLauncher.showOverviewMode(true);
131                dismissLongPressCling();
132                return true;
133            }
134        });
135
136        final ViewGroup content = (ViewGroup) cling.findViewById(R.id.cling_content);
137        mInflater.inflate(showWelcome ? R.layout.longpress_cling_welcome_content
138                : R.layout.longpress_cling_content, content);
139        content.findViewById(R.id.cling_dismiss_longpress_info).setOnClickListener(this);
140
141        if (TAG_CROP_TOP_AND_SIDES.equals(content.getTag())) {
142            Drawable bg = new BorderCropDrawable(mLauncher.getResources().getDrawable(R.drawable.cling_bg),
143                    true, true, true, false);
144            content.setBackground(bg);
145        }
146
147        root.addView(cling);
148
149        if (showWelcome) {
150            // This is the first cling being shown. No need to animate.
151            return;
152        }
153
154        // Animate
155        content.getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
156
157            @Override
158            public void onGlobalLayout() {
159                content.getViewTreeObserver().removeOnGlobalLayoutListener(this);
160
161                ObjectAnimator anim;
162                if (TAG_CROP_TOP_AND_SIDES.equals(content.getTag())) {
163                    content.setTranslationY(-content.getMeasuredHeight());
164                    anim = LauncherAnimUtils.ofFloat(content, "translationY", 0);
165                } else {
166                    content.setScaleX(0);
167                    content.setScaleY(0);
168                    PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1);
169                    PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1);
170                    anim = LauncherAnimUtils.ofPropertyValuesHolder(content, scaleX, scaleY);
171                }
172
173                anim.setDuration(SHOW_CLING_DURATION);
174                anim.setInterpolator(new LogDecelerateInterpolator(100, 0));
175                anim.start();
176            }
177        });
178    }
179
180    @Thunk void dismissLongPressCling() {
181        Runnable dismissCb = new Runnable() {
182            public void run() {
183                dismissCling(mLauncher.findViewById(R.id.longpress_cling), null,
184                        WORKSPACE_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION);
185            }
186        };
187        mLauncher.getWorkspace().post(dismissCb);
188    }
189
190    /** Hides the specified Cling */
191    @Thunk void dismissCling(final View cling, final Runnable postAnimationCb,
192                              final String flag, int duration) {
193        // To catch cases where siblings of top-level views are made invisible, just check whether
194        // the cling is directly set to GONE before dismissing it.
195        if (cling != null && cling.getVisibility() != View.GONE) {
196            final Runnable cleanUpClingCb = new Runnable() {
197                public void run() {
198                    cling.setVisibility(View.GONE);
199                    mLauncher.getSharedPrefs().edit()
200                        .putBoolean(flag, true)
201                        .apply();
202                    mIsVisible = false;
203                    if (postAnimationCb != null) {
204                        postAnimationCb.run();
205                    }
206                }
207            };
208            if (duration <= 0) {
209                cleanUpClingCb.run();
210            } else {
211                cling.animate().alpha(0).setDuration(duration).withEndAction(cleanUpClingCb);
212            }
213        }
214    }
215
216    public boolean isVisible() {
217        return mIsVisible;
218    }
219
220    /** Returns whether the clings are enabled or should be shown */
221    @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
222    private boolean areClingsEnabled() {
223        // disable clings when running in a test harness
224        if(ActivityManager.isRunningInTestHarness()) return false;
225
226        // Disable clings for accessibility when explore by touch is enabled
227        final AccessibilityManager a11yManager = (AccessibilityManager) mLauncher.getSystemService(
228                Launcher.ACCESSIBILITY_SERVICE);
229        if (a11yManager.isTouchExplorationEnabled()) {
230            return false;
231        }
232
233        // Restricted secondary users (child mode) will potentially have very few apps
234        // seeded when they start up for the first time. Clings won't work well with that
235        if (Utilities.ATLEAST_JB_MR2) {
236            UserManager um = (UserManager) mLauncher.getSystemService(Context.USER_SERVICE);
237            Bundle restrictions = um.getUserRestrictions();
238            if (restrictions.getBoolean(UserManager.DISALLOW_MODIFY_ACCOUNTS, false)) {
239                return false;
240            }
241        }
242        if (Settings.Secure.getInt(mLauncher.getContentResolver(), SKIP_FIRST_USE_HINTS, 0)
243                == 1) {
244            return false;
245        }
246        return true;
247    }
248
249    public boolean shouldShowFirstRunOrMigrationClings() {
250        SharedPreferences sharedPrefs = mLauncher.getSharedPrefs();
251        return areClingsEnabled() &&
252            !sharedPrefs.getBoolean(WORKSPACE_CLING_DISMISSED_KEY, false) &&
253            !sharedPrefs.getBoolean(MIGRATION_CLING_DISMISSED_KEY, false);
254    }
255
256    public static void synchonouslyMarkFirstRunClingDismissed(Context ctx) {
257        SharedPreferences prefs = ctx.getSharedPreferences(
258                LauncherAppState.getSharedPreferencesKey(), Context.MODE_PRIVATE);
259        SharedPreferences.Editor editor = prefs.edit();
260        editor.putBoolean(WORKSPACE_CLING_DISMISSED_KEY, true);
261        editor.commit();
262    }
263}
264