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.ContextThemeWrapper;
31import android.view.LayoutInflater;
32import android.view.View;
33import android.view.View.OnClickListener;
34import android.view.View.OnLongClickListener;
35import android.view.ViewGroup;
36import android.view.ViewTreeObserver.OnGlobalLayoutListener;
37import android.view.accessibility.AccessibilityManager;
38
39class LauncherClings implements OnClickListener {
40    private static final String MIGRATION_CLING_DISMISSED_KEY = "cling_gel.migration.dismissed";
41    private static final String WORKSPACE_CLING_DISMISSED_KEY = "cling_gel.workspace.dismissed";
42
43    private static final String TAG_CROP_TOP_AND_SIDES = "crop_bg_top_and_sides";
44
45    private static final boolean DISABLE_CLINGS = false;
46
47    private static final int SHOW_CLING_DURATION = 250;
48    private static final int DISMISS_CLING_DURATION = 200;
49
50    // New Secure Setting in L
51    private static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
52
53    private Launcher mLauncher;
54    private LayoutInflater mInflater;
55
56    /** Ctor */
57    public LauncherClings(Launcher launcher) {
58        mLauncher = launcher;
59        mInflater = LayoutInflater.from(new
60                ContextThemeWrapper(mLauncher, android.R.style.Theme_DeviceDefault));
61    }
62
63    @Override
64    public void onClick(View v) {
65        int id = v.getId();
66        if (id == R.id.cling_dismiss_migration_use_default) {
67            // Disable the migration cling
68            dismissMigrationCling();
69        } else if (id == R.id.cling_dismiss_migration_copy_apps) {
70            // Copy the shortcuts from the old database
71            LauncherModel model = mLauncher.getModel();
72            model.resetLoadedState(false, true);
73            model.startLoader(false, PagedView.INVALID_RESTORE_PAGE,
74                    LauncherModel.LOADER_FLAG_CLEAR_WORKSPACE
75                            | LauncherModel.LOADER_FLAG_MIGRATE_SHORTCUTS);
76            // Set the flag to skip the folder cling
77            String spKey = LauncherAppState.getSharedPreferencesKey();
78            SharedPreferences sp = mLauncher.getSharedPreferences(spKey, Context.MODE_PRIVATE);
79            SharedPreferences.Editor editor = sp.edit();
80            editor.putBoolean(Launcher.USER_HAS_MIGRATED, true);
81            editor.apply();
82            // Disable the migration cling
83            dismissMigrationCling();
84        } else if (id == R.id.cling_dismiss_longpress_info) {
85            dismissLongPressCling();
86        }
87    }
88
89    /**
90     * Shows the migration cling.
91     *
92     * This flow is mutually exclusive with showFirstRunCling, and only runs if this Launcher
93     * package was not preinstalled and there exists a db to migrate from.
94     */
95    public void showMigrationCling() {
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        ViewGroup root = (ViewGroup) mLauncher.findViewById(R.id.launcher);
123        View cling = mInflater.inflate(R.layout.longpress_cling, root, false);
124
125        cling.setOnLongClickListener(new OnLongClickListener() {
126
127            @Override
128            public boolean onLongClick(View v) {
129                mLauncher.getWorkspace().enterOverviewMode();
130                dismissLongPressCling();
131                return true;
132            }
133        });
134
135        final ViewGroup content = (ViewGroup) cling.findViewById(R.id.cling_content);
136        mInflater.inflate(showWelcome ? R.layout.longpress_cling_welcome_content
137                : R.layout.longpress_cling_content, content);
138        content.findViewById(R.id.cling_dismiss_longpress_info).setOnClickListener(this);
139
140        if (TAG_CROP_TOP_AND_SIDES.equals(content.getTag())) {
141            Drawable bg = new BorderCropDrawable(mLauncher.getResources().getDrawable(R.drawable.cling_bg),
142                    true, true, true, false);
143            content.setBackground(bg);
144        }
145
146        root.addView(cling);
147
148        if (showWelcome) {
149            // This is the first cling being shown. No need to animate.
150            return;
151        }
152
153        // Animate
154        content.getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
155
156            @Override
157            public void onGlobalLayout() {
158                content.getViewTreeObserver().removeOnGlobalLayoutListener(this);
159
160                ObjectAnimator anim;
161                if (TAG_CROP_TOP_AND_SIDES.equals(content.getTag())) {
162                    content.setTranslationY(-content.getMeasuredHeight());
163                    anim = LauncherAnimUtils.ofFloat(content, "translationY", 0);
164                } else {
165                    content.setScaleX(0);
166                    content.setScaleY(0);
167                    PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1);
168                    PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1);
169                    anim = LauncherAnimUtils.ofPropertyValuesHolder(content, scaleX, scaleY);
170                }
171
172                anim.setDuration(SHOW_CLING_DURATION);
173                anim.setInterpolator(new LogDecelerateInterpolator(100, 0));
174                anim.start();
175            }
176        });
177    }
178
179    private void dismissLongPressCling() {
180        Runnable dismissCb = new Runnable() {
181            public void run() {
182                dismissCling(mLauncher.findViewById(R.id.longpress_cling), null,
183                        WORKSPACE_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION);
184            }
185        };
186        mLauncher.getWorkspace().post(dismissCb);
187    }
188
189    /** Hides the specified Cling */
190    private void dismissCling(final View cling, final Runnable postAnimationCb,
191                              final String flag, int duration) {
192        // To catch cases where siblings of top-level views are made invisible, just check whether
193        // the cling is directly set to GONE before dismissing it.
194        if (cling != null && cling.getVisibility() != View.GONE) {
195            final Runnable cleanUpClingCb = new Runnable() {
196                public void run() {
197                    cling.setVisibility(View.GONE);
198                    mLauncher.getSharedPrefs().edit()
199                        .putBoolean(flag, true)
200                        .apply();
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
214    /** Returns whether the clings are enabled or should be shown */
215    private boolean areClingsEnabled() {
216        if (DISABLE_CLINGS) {
217            return false;
218        }
219
220        // disable clings when running in a test harness
221        if(ActivityManager.isRunningInTestHarness()) return false;
222
223        // Disable clings for accessibility when explore by touch is enabled
224        final AccessibilityManager a11yManager = (AccessibilityManager) mLauncher.getSystemService(
225                Launcher.ACCESSIBILITY_SERVICE);
226        if (a11yManager.isTouchExplorationEnabled()) {
227            return false;
228        }
229
230        // Restricted secondary users (child mode) will potentially have very few apps
231        // seeded when they start up for the first time. Clings won't work well with that
232        boolean supportsLimitedUsers =
233                android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR2;
234        Account[] accounts = AccountManager.get(mLauncher).getAccounts();
235        if (supportsLimitedUsers && accounts.length == 0) {
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