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