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      1 /*
      2  * Copyright (C) 2011 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.content.ActivityNotFoundException;
     20 import android.content.ComponentName;
     21 import android.content.Context;
     22 import android.graphics.Rect;
     23 import android.os.Bundle;
     24 import android.provider.Settings;
     25 import android.util.AttributeSet;
     26 import android.util.Log;
     27 import android.widget.Toast;
     28 
     29 import com.android.launcher3.compat.LauncherAppsCompat;
     30 import com.android.launcher3.util.Themes;
     31 
     32 public class InfoDropTarget extends UninstallDropTarget {
     33 
     34     private static final String TAG = "InfoDropTarget";
     35 
     36     public InfoDropTarget(Context context, AttributeSet attrs) {
     37         this(context, attrs, 0);
     38     }
     39 
     40     public InfoDropTarget(Context context, AttributeSet attrs, int defStyle) {
     41         super(context, attrs, defStyle);
     42     }
     43 
     44     @Override
     45     protected void onFinishInflate() {
     46         super.onFinishInflate();
     47         // Get the hover color
     48         mHoverColor = Themes.getColorAccent(getContext());
     49 
     50         setDrawable(R.drawable.ic_info_launcher);
     51     }
     52 
     53     @Override
     54     public void completeDrop(DragObject d) {
     55         DropTargetResultCallback callback = d.dragSource instanceof DropTargetResultCallback
     56                 ? (DropTargetResultCallback) d.dragSource : null;
     57         startDetailsActivityForInfo(d.dragInfo, mLauncher, callback);
     58     }
     59 
     60     /**
     61      * @return Whether the activity was started.
     62      */
     63     public static boolean startDetailsActivityForInfo(
     64             ItemInfo info, Launcher launcher, DropTargetResultCallback callback) {
     65         return startDetailsActivityForInfo(info, launcher, callback, null, null);
     66     }
     67 
     68     public static boolean startDetailsActivityForInfo(ItemInfo info, Launcher launcher,
     69             DropTargetResultCallback callback, Rect sourceBounds, Bundle opts) {
     70         boolean result = false;
     71         ComponentName componentName = null;
     72         if (info instanceof AppInfo) {
     73             componentName = ((AppInfo) info).componentName;
     74         } else if (info instanceof ShortcutInfo) {
     75             componentName = ((ShortcutInfo) info).intent.getComponent();
     76         } else if (info instanceof PendingAddItemInfo) {
     77             componentName = ((PendingAddItemInfo) info).componentName;
     78         } else if (info instanceof LauncherAppWidgetInfo) {
     79             componentName = ((LauncherAppWidgetInfo) info).providerName;
     80         }
     81         if (componentName != null) {
     82             try {
     83                 LauncherAppsCompat.getInstance(launcher)
     84                         .showAppDetailsForProfile(componentName, info.user, sourceBounds, opts);
     85                 result = true;
     86             } catch (SecurityException | ActivityNotFoundException e) {
     87                 Toast.makeText(launcher, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
     88                 Log.e(TAG, "Unable to launch settings", e);
     89             }
     90         }
     91 
     92         if (callback != null) {
     93             sendUninstallResult(launcher, result, componentName, info.user, callback);
     94         }
     95         return result;
     96     }
     97 
     98     @Override
     99     protected boolean supportsDrop(DragSource source, ItemInfo info) {
    100         return source.supportsAppInfoDropTarget() && supportsDrop(getContext(), info);
    101     }
    102 
    103     public static boolean supportsDrop(Context context, ItemInfo info) {
    104         // Only show the App Info drop target if developer settings are enabled.
    105         boolean developmentSettingsEnabled = Settings.Global.getInt(context.getContentResolver(),
    106                 Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) == 1;
    107         if (!developmentSettingsEnabled) {
    108             return false;
    109         }
    110         return info.itemType != LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT &&
    111                 (info instanceof AppInfo ||
    112                 (info instanceof ShortcutInfo && !((ShortcutInfo) info).isPromise()) ||
    113                 (info instanceof LauncherAppWidgetInfo &&
    114                         ((LauncherAppWidgetInfo) info).restoreStatus == 0) ||
    115                 info instanceof PendingAddItemInfo);
    116     }
    117 }
    118