LauncherClings.java revision 2bba4c37c6402dfdc965d0c412c840c57993c7dd 
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.annotation.TargetApi;
24import android.app.ActivityManager;
25import android.content.Context;
26import android.content.SharedPreferences;
27import android.graphics.drawable.Drawable;
28import android.os.Build;
29import android.os.Bundle;
30import android.os.UserManager;
31import android.provider.Settings;
32import android.view.LayoutInflater;
33import android.view.View;
34import android.view.View.OnClickListener;
35import android.view.View.OnLongClickListener;
36import android.view.ViewGroup;
37import android.view.ViewTreeObserver.OnGlobalLayoutListener;
38import android.view.accessibility.AccessibilityManager;
39import com.android.launcher3.util.Thunk;
40
41class LauncherClings implements OnClickListener {
42    private static final String MIGRATION_CLING_DISMISSED_KEY = "cling_gel.migration.dismissed";
43    private static final String WORKSPACE_CLING_DISMISSED_KEY = "cling_gel.workspace.dismissed";
44
45    private static final String TAG_CROP_TOP_AND_SIDES = "crop_bg_top_and_sides";
46
47    private static final boolean DISABLE_CLINGS = false;
48
49    private static final int SHOW_CLING_DURATION = 250;
50    private static final int DISMISS_CLING_DURATION = 200;
51
52    // New Secure Setting in L
53    private static final String SKIP_FIRST_USE_HINTS = "skip_first_use_hints";
54
55    @Thunk Launcher mLauncher;
56    private LayoutInflater mInflater;
57
58    /** Ctor */
59    public LauncherClings(Launcher launcher) {
60        mLauncher = launcher;
61        mInflater = LayoutInflater.from(mLauncher);
62    }
63
64    @Override
65    public void onClick(View v) {
66        int id = v.getId();
67        if (id == R.id.cling_dismiss_migration_use_default) {
68            // Disable the migration cling
69            dismissMigrationCling();
70        } else if (id == R.id.cling_dismiss_migration_copy_apps) {
71            // Copy the shortcuts from the old database
72            LauncherModel model = mLauncher.getModel();
73            model.resetLoadedState(false, true);
74            model.startLoader(PagedView.INVALID_RESTORE_PAGE,
75                    LauncherModel.LOADER_FLAG_CLEAR_WORKSPACE
76                            | LauncherModel.LOADER_FLAG_MIGRATE_SHORTCUTS);
77            // Set the flag to skip the folder cling
78            String spKey = LauncherAppState.getSharedPreferencesKey();
79            SharedPreferences sp = mLauncher.getSharedPreferences(spKey, Context.MODE_PRIVATE);
80            SharedPreferences.Editor editor = sp.edit();
81            editor.putBoolean(Launcher.USER_HAS_MIGRATED, true);
82            editor.apply();
83            // Disable the migration cling
84            dismissMigrationCling();
85        } else if (id == R.id.cling_dismiss_longpress_info) {
86            dismissLongPressCling();
87        }
88    }
89
90    /**
91     * Shows the migration cling.
92     *
93     * This flow is mutually exclusive with showFirstRunCling, and only runs if this Launcher
94     * package was not preinstalled and there exists a db to migrate from.
95     */
96    public void showMigrationCling() {
97        mLauncher.hideWorkspaceSearchAndHotseat();
98
99        ViewGroup root = (ViewGroup) mLauncher.findViewById(R.id.launcher);
100        View inflated = mInflater.inflate(R.layout.migration_cling, root);
101        inflated.findViewById(R.id.cling_dismiss_migration_copy_apps).setOnClickListener(this);
102        inflated.findViewById(R.id.cling_dismiss_migration_use_default).setOnClickListener(this);
103    }
104
105    private void dismissMigrationCling() {
106        mLauncher.showWorkspaceSearchAndHotseat();
107        Runnable dismissCb = new Runnable() {
108            public void run() {
109                Runnable cb = new Runnable() {
110                    public void run() {
111                        // Show the longpress cling next
112                        showLongPressCling(false);
113                    }
114                };
115                dismissCling(mLauncher.findViewById(R.id.migration_cling), cb,
116                        MIGRATION_CLING_DISMISSED_KEY, DISMISS_CLING_DURATION);
117            }
118        };
119        mLauncher.getWorkspace().post(dismissCb);
120    }
121
122    public void showLongPressCling(boolean showWelcome) {
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                    if (postAnimationCb != null) {
203                        postAnimationCb.run();
204                    }
205                }
206            };
207            if (duration <= 0) {
208                cleanUpClingCb.run();
209            } else {
210                cling.animate().alpha(0).setDuration(duration).withEndAction(cleanUpClingCb);
211            }
212        }
213    }
214
215    /** Returns whether the clings are enabled or should be shown */
216    @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
217    private boolean areClingsEnabled() {
218        if (DISABLE_CLINGS) {
219            return false;
220        }
221
222        // disable clings when running in a test harness
223        if(ActivityManager.isRunningInTestHarness()) return false;
224
225        // Disable clings for accessibility when explore by touch is enabled
226        final AccessibilityManager a11yManager = (AccessibilityManager) mLauncher.getSystemService(
227                Launcher.ACCESSIBILITY_SERVICE);
228        if (a11yManager.isTouchExplorationEnabled()) {
229            return false;
230        }
231
232        // Restricted secondary users (child mode) will potentially have very few apps
233        // seeded when they start up for the first time. Clings won't work well with that
234        boolean supportsLimitedUsers =
235                android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR2;
236        Account[] accounts = AccountManager.get(mLauncher).getAccounts();
237        if (supportsLimitedUsers && accounts.length == 0) {
238            UserManager um = (UserManager) mLauncher.getSystemService(Context.USER_SERVICE);
239            Bundle restrictions = um.getUserRestrictions();
240            if (restrictions.getBoolean(UserManager.DISALLOW_MODIFY_ACCOUNTS, false)) {
241                return false;
242            }
243        }
244        if (Settings.Secure.getInt(mLauncher.getContentResolver(), SKIP_FIRST_USE_HINTS, 0)
245                == 1) {
246            return false;
247        }
248        return true;
249    }
250
251    public boolean shouldShowFirstRunOrMigrationClings() {
252        SharedPreferences sharedPrefs = mLauncher.getSharedPrefs();
253        return areClingsEnabled() &&
254            !sharedPrefs.getBoolean(WORKSPACE_CLING_DISMISSED_KEY, false) &&
255            !sharedPrefs.getBoolean(MIGRATION_CLING_DISMISSED_KEY, false);
256    }
257
258    public static void synchonouslyMarkFirstRunClingDismissed(Context ctx) {
259        SharedPreferences prefs = ctx.getSharedPreferences(
260                LauncherAppState.getSharedPreferencesKey(), Context.MODE_PRIVATE);
261        SharedPreferences.Editor editor = prefs.edit();
262        editor.putBoolean(WORKSPACE_CLING_DISMISSED_KEY, true);
263        editor.commit();
264    }
265}
266