Sunny Goyal | 0b0847b | 2018-03-14 12:30:11 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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.app.ActivityOptions; |
| 20 | import android.content.ActivityNotFoundException; |
| 21 | import android.content.Context; |
| 22 | import android.content.ContextWrapper; |
| 23 | import android.content.Intent; |
| 24 | import android.graphics.Rect; |
| 25 | import android.os.Bundle; |
| 26 | import android.os.Process; |
| 27 | import android.os.StrictMode; |
| 28 | import android.os.UserHandle; |
| 29 | import android.util.Log; |
| 30 | import android.view.ActionMode; |
| 31 | import android.view.View; |
| 32 | import android.widget.Toast; |
| 33 | |
| 34 | import com.android.launcher3.LauncherSettings.Favorites; |
| 35 | import com.android.launcher3.badge.BadgeInfo; |
| 36 | import com.android.launcher3.compat.LauncherAppsCompat; |
| 37 | import com.android.launcher3.shortcuts.DeepShortcutManager; |
| 38 | import com.android.launcher3.views.BaseDragLayer; |
| 39 | |
| 40 | /** |
| 41 | * Extension of BaseActivity allowing support for drag-n-drop |
| 42 | */ |
| 43 | public abstract class BaseDraggingActivity extends BaseActivity { |
| 44 | |
| 45 | private static final String TAG = "BaseDraggingActivity"; |
| 46 | |
| 47 | // The Intent extra that defines whether to ignore the launch animation |
| 48 | private static final String INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION = |
| 49 | "com.android.launcher3.intent.extra.shortcut.INGORE_LAUNCH_ANIMATION"; |
| 50 | |
| 51 | // When starting an action mode, setting this tag will cause the action mode to be cancelled |
| 52 | // automatically when user interacts with the launcher. |
| 53 | public static final Object AUTO_CANCEL_ACTION_MODE = new Object(); |
| 54 | |
| 55 | private ActionMode mCurrentActionMode; |
| 56 | protected boolean mIsSafeModeEnabled; |
| 57 | |
| 58 | @Override |
| 59 | protected void onCreate(Bundle savedInstanceState) { |
| 60 | super.onCreate(savedInstanceState); |
| 61 | mIsSafeModeEnabled = getPackageManager().isSafeMode(); |
| 62 | } |
| 63 | |
| 64 | @Override |
| 65 | public void onActionModeStarted(ActionMode mode) { |
| 66 | super.onActionModeStarted(mode); |
| 67 | mCurrentActionMode = mode; |
| 68 | } |
| 69 | |
| 70 | @Override |
| 71 | public void onActionModeFinished(ActionMode mode) { |
| 72 | super.onActionModeFinished(mode); |
| 73 | mCurrentActionMode = null; |
| 74 | } |
| 75 | |
| 76 | public boolean finishAutoCancelActionMode() { |
| 77 | if (mCurrentActionMode != null && AUTO_CANCEL_ACTION_MODE == mCurrentActionMode.getTag()) { |
| 78 | mCurrentActionMode.finish(); |
| 79 | return true; |
| 80 | } |
| 81 | return false; |
| 82 | } |
| 83 | |
| 84 | public abstract BaseDragLayer getDragLayer(); |
| 85 | |
| 86 | public abstract <T extends View> T getOverviewPanel(); |
| 87 | |
| 88 | public abstract BadgeInfo getBadgeInfoForItem(ItemInfo info); |
| 89 | |
| 90 | public abstract void invalidateParent(ItemInfo info); |
| 91 | |
| 92 | public static BaseDraggingActivity fromContext(Context context) { |
| 93 | if (context instanceof BaseDraggingActivity) { |
| 94 | return (BaseDraggingActivity) context; |
| 95 | } |
| 96 | return ((BaseDraggingActivity) ((ContextWrapper) context).getBaseContext()); |
| 97 | } |
| 98 | |
| 99 | public Rect getViewBounds(View v) { |
| 100 | int[] pos = new int[2]; |
| 101 | v.getLocationOnScreen(pos); |
| 102 | return new Rect(pos[0], pos[1], pos[0] + v.getWidth(), pos[1] + v.getHeight()); |
| 103 | } |
| 104 | |
| 105 | public final Bundle getActivityLaunchOptionsAsBundle(View v, boolean useDefaultLaunchOptions) { |
| 106 | ActivityOptions activityOptions = getActivityLaunchOptions(v, useDefaultLaunchOptions); |
| 107 | return activityOptions == null ? null : activityOptions.toBundle(); |
| 108 | } |
| 109 | |
| 110 | public abstract ActivityOptions getActivityLaunchOptions( |
| 111 | View v, boolean useDefaultLaunchOptions); |
| 112 | |
| 113 | public boolean startActivitySafely(View v, Intent intent, ItemInfo item) { |
| 114 | if (mIsSafeModeEnabled && !Utilities.isSystemApp(this, intent)) { |
| 115 | Toast.makeText(this, R.string.safemode_shortcut_error, Toast.LENGTH_SHORT).show(); |
| 116 | return false; |
| 117 | } |
| 118 | |
| 119 | // Only launch using the new animation if the shortcut has not opted out (this is a |
| 120 | // private contract between launcher and may be ignored in the future). |
| 121 | boolean useLaunchAnimation = (v != null) && |
| 122 | !intent.hasExtra(INTENT_EXTRA_IGNORE_LAUNCH_ANIMATION); |
| 123 | Bundle optsBundle = useLaunchAnimation |
| 124 | ? getActivityLaunchOptionsAsBundle(v, isInMultiWindowModeCompat()) |
| 125 | : null; |
| 126 | |
| 127 | UserHandle user = item == null ? null : item.user; |
| 128 | |
| 129 | // Prepare intent |
| 130 | intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| 131 | if (v != null) { |
| 132 | intent.setSourceBounds(getViewBounds(v)); |
| 133 | } |
| 134 | try { |
| 135 | boolean isShortcut = Utilities.ATLEAST_MARSHMALLOW |
| 136 | && (item instanceof ShortcutInfo) |
| 137 | && (item.itemType == Favorites.ITEM_TYPE_SHORTCUT |
| 138 | || item.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT) |
| 139 | && !((ShortcutInfo) item).isPromise(); |
| 140 | if (isShortcut) { |
| 141 | // Shortcuts need some special checks due to legacy reasons. |
| 142 | startShortcutIntentSafely(intent, optsBundle, item); |
| 143 | } else if (user == null || user.equals(Process.myUserHandle())) { |
| 144 | // Could be launching some bookkeeping activity |
| 145 | startActivity(intent, optsBundle); |
| 146 | } else { |
| 147 | LauncherAppsCompat.getInstance(this).startActivityForProfile( |
| 148 | intent.getComponent(), user, intent.getSourceBounds(), optsBundle); |
| 149 | } |
| 150 | getUserEventDispatcher().logAppLaunch(v, intent); |
| 151 | return true; |
| 152 | } catch (ActivityNotFoundException|SecurityException e) { |
| 153 | Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show(); |
| 154 | Log.e(TAG, "Unable to launch. tag=" + item + " intent=" + intent, e); |
| 155 | } |
| 156 | return false; |
| 157 | } |
| 158 | |
| 159 | private void startShortcutIntentSafely(Intent intent, Bundle optsBundle, ItemInfo info) { |
| 160 | try { |
| 161 | StrictMode.VmPolicy oldPolicy = StrictMode.getVmPolicy(); |
| 162 | try { |
| 163 | // Temporarily disable deathPenalty on all default checks. For eg, shortcuts |
| 164 | // containing file Uri's would cause a crash as penaltyDeathOnFileUriExposure |
| 165 | // is enabled by default on NYC. |
| 166 | StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder().detectAll() |
| 167 | .penaltyLog().build()); |
| 168 | |
| 169 | if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) { |
| 170 | String id = ((ShortcutInfo) info).getDeepShortcutId(); |
| 171 | String packageName = intent.getPackage(); |
| 172 | DeepShortcutManager.getInstance(this).startShortcut( |
| 173 | packageName, id, intent.getSourceBounds(), optsBundle, info.user); |
| 174 | } else { |
| 175 | // Could be launching some bookkeeping activity |
| 176 | startActivity(intent, optsBundle); |
| 177 | } |
| 178 | } finally { |
| 179 | StrictMode.setVmPolicy(oldPolicy); |
| 180 | } |
| 181 | } catch (SecurityException e) { |
| 182 | if (!onErrorStartingShortcut(intent, info)) { |
| 183 | throw e; |
| 184 | } |
| 185 | } |
| 186 | } |
| 187 | |
| 188 | protected boolean onErrorStartingShortcut(Intent intent, ItemInfo info) { |
| 189 | return false; |
| 190 | } |
| 191 | } |