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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 android.content.Context;
     20 import android.content.res.Resources;
     21 import android.graphics.Rect;
     22 import android.graphics.drawable.Drawable;
     23 import android.util.AttributeSet;
     24 import android.view.LayoutInflater;
     25 import android.view.ViewGroup;
     26 
     27 import com.android.launcher.R;
     28 
     29 /**
     30  * An icon that can appear on in the workspace representing an {@link UserFolder}.
     31  */
     32 public class FolderIcon extends BubbleTextView implements DropTarget {
     33     private UserFolderInfo mInfo;
     34     private Launcher mLauncher;
     35     private Drawable mCloseIcon;
     36     private Drawable mOpenIcon;
     37 
     38     public FolderIcon(Context context, AttributeSet attrs) {
     39         super(context, attrs);
     40     }
     41 
     42     public FolderIcon(Context context) {
     43         super(context);
     44     }
     45 
     46     static FolderIcon fromXml(int resId, Launcher launcher, ViewGroup group,
     47             UserFolderInfo folderInfo) {
     48 
     49         FolderIcon icon = (FolderIcon) LayoutInflater.from(launcher).inflate(resId, group, false);
     50 
     51         final Resources resources = launcher.getResources();
     52         Drawable d = resources.getDrawable(R.drawable.ic_launcher_folder);
     53         icon.mCloseIcon = d;
     54         icon.mOpenIcon = resources.getDrawable(R.drawable.ic_launcher_folder_open);
     55         icon.setCompoundDrawablesWithIntrinsicBounds(null, d, null, null);
     56         icon.setText(folderInfo.title);
     57         icon.setTag(folderInfo);
     58         icon.setOnClickListener(launcher);
     59         icon.mInfo = folderInfo;
     60         icon.mLauncher = launcher;
     61 
     62         return icon;
     63     }
     64 
     65     public boolean acceptDrop(DragSource source, int x, int y, int xOffset, int yOffset,
     66             DragView dragView, Object dragInfo) {
     67         final ItemInfo item = (ItemInfo) dragInfo;
     68         final int itemType = item.itemType;
     69         return (itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION ||
     70                 itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT)
     71                 && item.container != mInfo.id;
     72     }
     73 
     74     public Rect estimateDropLocation(DragSource source, int x, int y, int xOffset, int yOffset,
     75             DragView dragView, Object dragInfo, Rect recycle) {
     76         return null;
     77     }
     78 
     79     public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset,
     80             DragView dragView, Object dragInfo) {
     81         ShortcutInfo item;
     82         if (dragInfo instanceof ApplicationInfo) {
     83             // Came from all apps -- make a copy
     84             item = ((ApplicationInfo)dragInfo).makeShortcut();
     85         } else {
     86             item = (ShortcutInfo)dragInfo;
     87         }
     88         mInfo.add(item);
     89         LauncherModel.addOrMoveItemInDatabase(mLauncher, item, mInfo.id, 0, 0, 0);
     90     }
     91 
     92     public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset,
     93             DragView dragView, Object dragInfo) {
     94         setCompoundDrawablesWithIntrinsicBounds(null, mOpenIcon, null, null);
     95     }
     96 
     97     public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset,
     98             DragView dragView, Object dragInfo) {
     99     }
    100 
    101     public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset,
    102             DragView dragView, Object dragInfo) {
    103         setCompoundDrawablesWithIntrinsicBounds(null, mCloseIcon, null, null);
    104     }
    105 }
    106