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.accounts.Account;
20import android.accounts.AccountManager;
21import android.animation.ObjectAnimator;
22import android.animation.PropertyValuesHolder;
23import android.app.ActivityManager;
24import android.content.Context;
25import android.content.SharedPreferences;
26import android.graphics.drawable.Drawable;
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
38class LauncherClings implements OnClickListener {
39    private static final String MIGRATION_CLING_DISMISSED_KEY = "cling_gel.migration.dismissed";
40    private static final String WORKSPACE_CLING_DISMISSED_KEY = "cling_gel.workspace.dismissed";
41
42    private static final String TAG_CROP_TOP_AND_SIDES = "crop_bg_top_and_sides";
43
44    private static final boolean DISABLE_CLINGS = false;
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    private Launcher mLauncher;
53    private LayoutInflater mInflater;
54
55    /** Ctor */
56    public LauncherClings(Launcher launcher) {
57        mLauncher = launcher;
58        mInflater = LayoutInflater.from(mLauncher);
59    }
60
61    @Override
62    public void onClick(View v) {
63        int id = v.getId();
64        if (id == R.id.cling_dismiss_migration_use_default) {
65            // Disable the migration cling
66            dismissMigrationCling();
67        } else if (id == R.id.cling_dismiss_migration_copy_apps) {
68            // Copy the shortcuts from the old database
69            LauncherModel model = mLauncher.getModel();
70            model.resetLoadedState(false, true);
71            model.startLoader(false, PagedView.INVALID_RESTORE_PAGE,
72                    LauncherModel.LOADER_FLAG_CLEAR_WORKSPACE
73                            | LauncherModel.LOADER_FLAG_MIGRATE_SHORTCUTS);
74            // Set the flag to skip the folder cling
75            String spKey = LauncherAppState.getSharedPreferencesKey();
76            SharedPreferences sp = mLauncher.getSharedPreferences(spKey, Context.MODE_PRIVATE);
77            SharedPreferences.Editor editor = sp.edit();
78            editor.putBoolean(Launcher.USER_HAS_MIGRATED, true);
79            editor.apply();
80            // Disable the migration cling
81            dismissMigrationCling();
82        } else if (id == R.id.cling_dismiss_longpress_info) {
83            dismissLongPressCling();
84        }
85    }
86
87    /**
88     * Shows the migration cling.
89     *
90     * This flow is mutually exclusive with showFirstRunCling, and only runs if this Launcher
91     * package was not preinstalled and there exists a db to migrate from.
92     */
93    public void showMigrationCling() {
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
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
119    public void showLongPressCling(boolean showWelcome) {
120        ViewGroup root = (ViewGroup) mLauncher.findViewById(R.id.launcher);
121        View cling = mInflater.inflate(R.layout.longpress_cling, root, false);
122
123        cling.setOnLongClickListener(new OnLongClickListener() {
124
125            @Override
126            public boolean onLongClick(View v) {
127                mLauncher.getWorkspace().enterOverviewMode();
128                dismissLongPressCling();
129                return true;
130            }
131        });
132
133        final ViewGroup content = (ViewGroup) cling.findViewById(R.id.cling_content);
134        mInflater.inflate(showWelcome ? R.layout.longpress_cling_welcome_content
135                : R.layout.longpress_cling_content, content);
136        content.findViewById(R.id.cling_dismiss_longpress_info).setOnClickListener(this);
137
138        if (TAG_CROP_TOP_AND_SIDES.equals(content.getTag())) {
139            Drawable bg = new BorderCropDrawable(mLauncher.getResources().getDrawable(R.drawable.cling_bg),
140                    true, true, true, false);
141            content.setBackground(bg);
142        }
143
144        root.addView(cling);
145
146        if (showWelcome) {
147            // This is the first cling being shown. No need to animate.
148            return;
149        }
150
151        // Animate
152        content.getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
153
154            @Override
155            public void onGlobalLayout() {
156                content.getViewTreeObserver().removeOnGlobalLayoutListener(this);
157
158                ObjectAnimator anim;
159                if (TAG_CROP_TOP_AND_SIDES.equals(content.getTag())) {
160                    content.setTranslationY(-content.getMeasuredHeight());
161                    anim = LauncherAnimUtils.ofFloat(content, "translationY", 0);
162                } else {
163                    content.setScaleX(0);
164                    content.setScaleY(0);
165                    PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1);
166                    PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1);
167                    anim = LauncherAnimUtils.ofPropertyValuesHolder(content, scaleX, scaleY);
168                }
169
170                anim.setDuration(SHOW_CLING_DURATION);
171                anim.setInterpolator(new LogDecelerateInterpolator(100, 0));
172                anim.start();
173            }
174        });
175    }
176
177    private void dismissLongPressCling() {
178        Runnable dismissCb = new Runnable() {
179            public void run() {
180                dismissCling(mLauncher.findViewById(R.id.longpress_cling), null,
181                        WORKSPACE_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION);
182            }
183        };
184        mLauncher.getWorkspace().post(dismissCb);
185    }
186
187    /** Hides the specified Cling */
188    private void dismissCling(final View cling, final Runnable postAnimationCb,
189                              final String flag, int duration) {
190        // To catch cases where siblings of top-level views are made invisible, just check whether
191        // the cling is directly set to GONE before dismissing it.
192        if (cling != null && cling.getVisibility() != View.GONE) {
193            final Runnable cleanUpClingCb = new Runnable() {
194                public void run() {
195                    cling.setVisibility(View.GONE);
196                    mLauncher.getSharedPrefs().edit()
197                        .putBoolean(flag, true)
198                        .apply();
199                    if (postAnimationCb != null) {
200                        postAnimationCb.run();
201                    }
202                }
203            };
204            if (duration <= 0) {
205                cleanUpClingCb.run();
206            } else {
207                cling.animate().alpha(0).setDuration(duration).withEndAction(cleanUpClingCb);
208            }
209        }
210    }
211
212    /** Returns whether the clings are enabled or should be shown */
213    private boolean areClingsEnabled() {
214        if (DISABLE_CLINGS) {
215            return false;
216        }
217
218        // disable clings when running in a test harness
219        if(ActivityManager.isRunningInTestHarness()) return false;
220
221        // Disable clings for accessibility when explore by touch is enabled
222        final AccessibilityManager a11yManager = (AccessibilityManager) mLauncher.getSystemService(
223                Launcher.ACCESSIBILITY_SERVICE);
224        if (a11yManager.isTouchExplorationEnabled()) {
225            return false;
226        }
227
228        // Restricted secondary users (child mode) will potentially have very few apps
229        // seeded when they start up for the first time. Clings won't work well with that
230        boolean supportsLimitedUsers =
231                android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR2;
232        Account[] accounts = AccountManager.get(mLauncher).getAccounts();
233        if (supportsLimitedUsers && accounts.length == 0) {
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
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
254    public static void synchonouslyMarkFirstRunClingDismissed(Context ctx) {
255        SharedPreferences prefs = ctx.getSharedPreferences(
256                LauncherAppState.getSharedPreferencesKey(), Context.MODE_PRIVATE);
257        SharedPreferences.Editor editor = prefs.edit();
258        editor.putBoolean(WORKSPACE_CLING_DISMISSED_KEY, true);
259        editor.commit();
260    }
261}
262