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      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 
     17 package com.android.launcher2;
     18 
     19 import java.util.ArrayList;
     20 
     21 import android.content.ComponentName;
     22 import android.content.ContentValues;
     23 import android.content.Intent;
     24 import android.graphics.Bitmap;
     25 import android.util.Log;
     26 
     27 /**
     28  * Represents a launchable icon on the workspaces and in folders.
     29  */
     30 class ShortcutInfo extends ItemInfo {
     31 
     32     /**
     33      * The intent used to start the application.
     34      */
     35     Intent intent;
     36 
     37     /**
     38      * Indicates whether the icon comes from an application's resource (if false)
     39      * or from a custom Bitmap (if true.)
     40      */
     41     boolean customIcon;
     42 
     43     /**
     44      * Indicates whether we're using the default fallback icon instead of something from the
     45      * app.
     46      */
     47     boolean usingFallbackIcon;
     48 
     49     /**
     50      * If isShortcut=true and customIcon=false, this contains a reference to the
     51      * shortcut icon as an application's resource.
     52      */
     53     Intent.ShortcutIconResource iconResource;
     54 
     55     /**
     56      * The application icon.
     57      */
     58     private Bitmap mIcon;
     59 
     60     ShortcutInfo() {
     61         itemType = LauncherSettings.BaseLauncherColumns.ITEM_TYPE_SHORTCUT;
     62     }
     63 
     64     public ShortcutInfo(ShortcutInfo info) {
     65         super(info);
     66         title = info.title.toString();
     67         intent = new Intent(info.intent);
     68         if (info.iconResource != null) {
     69             iconResource = new Intent.ShortcutIconResource();
     70             iconResource.packageName = info.iconResource.packageName;
     71             iconResource.resourceName = info.iconResource.resourceName;
     72         }
     73         mIcon = info.mIcon; // TODO: should make a copy here.  maybe we don't need this ctor at all
     74         customIcon = info.customIcon;
     75     }
     76 
     77     /** TODO: Remove this.  It's only called by ApplicationInfo.makeShortcut. */
     78     public ShortcutInfo(ApplicationInfo info) {
     79         super(info);
     80         title = info.title.toString();
     81         intent = new Intent(info.intent);
     82         customIcon = false;
     83     }
     84 
     85     public void setIcon(Bitmap b) {
     86         mIcon = b;
     87     }
     88 
     89     public Bitmap getIcon(IconCache iconCache) {
     90         if (mIcon == null) {
     91             updateIcon(iconCache);
     92         }
     93         return mIcon;
     94     }
     95 
     96     /** Returns the package name that the shortcut's intent will resolve to, or an empty string if
     97      *  none exists. */
     98     String getPackageName() {
     99         return super.getPackageName(intent);
    100     }
    101 
    102     public void updateIcon(IconCache iconCache) {
    103         mIcon = iconCache.getIcon(intent);
    104         usingFallbackIcon = iconCache.isDefaultIcon(mIcon);
    105     }
    106 
    107     /**
    108      * Creates the application intent based on a component name and various launch flags.
    109      * Sets {@link #itemType} to {@link LauncherSettings.BaseLauncherColumns#ITEM_TYPE_APPLICATION}.
    110      *
    111      * @param className the class name of the component representing the intent
    112      * @param launchFlags the launch flags
    113      */
    114     final void setActivity(ComponentName className, int launchFlags) {
    115         intent = new Intent(Intent.ACTION_MAIN);
    116         intent.addCategory(Intent.CATEGORY_LAUNCHER);
    117         intent.setComponent(className);
    118         intent.setFlags(launchFlags);
    119         itemType = LauncherSettings.BaseLauncherColumns.ITEM_TYPE_APPLICATION;
    120     }
    121 
    122     @Override
    123     void onAddToDatabase(ContentValues values) {
    124         super.onAddToDatabase(values);
    125 
    126         String titleStr = title != null ? title.toString() : null;
    127         values.put(LauncherSettings.BaseLauncherColumns.TITLE, titleStr);
    128 
    129         String uri = intent != null ? intent.toUri(0) : null;
    130         values.put(LauncherSettings.BaseLauncherColumns.INTENT, uri);
    131 
    132         if (customIcon) {
    133             values.put(LauncherSettings.BaseLauncherColumns.ICON_TYPE,
    134                     LauncherSettings.BaseLauncherColumns.ICON_TYPE_BITMAP);
    135             writeBitmap(values, mIcon);
    136         } else {
    137             if (!usingFallbackIcon) {
    138                 writeBitmap(values, mIcon);
    139             }
    140             values.put(LauncherSettings.BaseLauncherColumns.ICON_TYPE,
    141                     LauncherSettings.BaseLauncherColumns.ICON_TYPE_RESOURCE);
    142             if (iconResource != null) {
    143                 values.put(LauncherSettings.BaseLauncherColumns.ICON_PACKAGE,
    144                         iconResource.packageName);
    145                 values.put(LauncherSettings.BaseLauncherColumns.ICON_RESOURCE,
    146                         iconResource.resourceName);
    147             }
    148         }
    149     }
    150 
    151     @Override
    152     public String toString() {
    153         return "ShortcutInfo(title=" + title.toString() + "intent=" + intent + "id=" + this.id
    154                 + " type=" + this.itemType + " container=" + this.container + " screen=" + screen
    155                 + " cellX=" + cellX + " cellY=" + cellY + " spanX=" + spanX + " spanY=" + spanY
    156                 + " dropPos=" + dropPos + ")";
    157     }
    158 
    159     public static void dumpShortcutInfoList(String tag, String label,
    160             ArrayList<ShortcutInfo> list) {
    161         Log.d(tag, label + " size=" + list.size());
    162         for (ShortcutInfo info: list) {
    163             Log.d(tag, "   title=\"" + info.title + " icon=" + info.mIcon
    164                     + " customIcon=" + info.customIcon);
    165         }
    166     }
    167 }
    168 
    169