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.graphics.Rect; 21 import android.util.AttributeSet; 22 import android.view.View; 23 import android.view.View.OnClickListener; 24 import android.widget.AdapterView; 25 import android.widget.Button; 26 import android.widget.LinearLayout; 27 import android.widget.AbsListView; 28 import android.widget.BaseAdapter; 29 import android.widget.AdapterView.OnItemClickListener; 30 import android.widget.AdapterView.OnItemLongClickListener; 31 32 import com.android.launcher.R; 33 34 /** 35 * Represents a set of icons chosen by the user or generated by the system. 36 */ 37 public class Folder extends LinearLayout implements DragSource, OnItemLongClickListener, 38 OnItemClickListener, OnClickListener, View.OnLongClickListener { 39 40 protected AbsListView mContent; 41 protected DragController mDragController; 42 43 protected Launcher mLauncher; 44 45 protected Button mCloseButton; 46 47 protected FolderInfo mInfo; 48 49 /** 50 * Which item is being dragged 51 */ 52 protected ShortcutInfo mDragItem; 53 54 /** 55 * Used to inflate the Workspace from XML. 56 * 57 * @param context The application's context. 58 * @param attrs The attribtues set containing the Workspace's customization values. 59 */ Folder(Context context, AttributeSet attrs)60 public Folder(Context context, AttributeSet attrs) { 61 super(context, attrs); 62 setAlwaysDrawnWithCacheEnabled(false); 63 } 64 65 @Override onFinishInflate()66 protected void onFinishInflate() { 67 super.onFinishInflate(); 68 69 mContent = (AbsListView) findViewById(R.id.folder_content); 70 mContent.setOnItemClickListener(this); 71 mContent.setOnItemLongClickListener(this); 72 73 mCloseButton = (Button) findViewById(R.id.folder_close); 74 mCloseButton.setOnClickListener(this); 75 mCloseButton.setOnLongClickListener(this); 76 } 77 onItemClick(AdapterView parent, View v, int position, long id)78 public void onItemClick(AdapterView parent, View v, int position, long id) { 79 ShortcutInfo app = (ShortcutInfo) parent.getItemAtPosition(position); 80 int[] pos = new int[2]; 81 v.getLocationOnScreen(pos); 82 app.intent.setSourceBounds(new Rect(pos[0], pos[1], 83 pos[0] + v.getWidth(), pos[1] + v.getHeight())); 84 mLauncher.startActivitySafely(app.intent, app); 85 } 86 onClick(View v)87 public void onClick(View v) { 88 mLauncher.closeFolder(this); 89 } 90 onLongClick(View v)91 public boolean onLongClick(View v) { 92 mLauncher.closeFolder(this); 93 mLauncher.showRenameDialog(mInfo); 94 return true; 95 } 96 onItemLongClick(AdapterView<?> parent, View view, int position, long id)97 public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) { 98 if (!view.isInTouchMode()) { 99 return false; 100 } 101 102 ShortcutInfo app = (ShortcutInfo) parent.getItemAtPosition(position); 103 104 mDragController.startDrag(view, this, app, DragController.DRAG_ACTION_COPY); 105 mLauncher.closeFolder(this); 106 mDragItem = app; 107 108 return true; 109 } 110 setDragController(DragController dragController)111 public void setDragController(DragController dragController) { 112 mDragController = dragController; 113 } 114 onDropCompleted(View target, boolean success)115 public void onDropCompleted(View target, boolean success) { 116 } 117 118 /** 119 * Sets the adapter used to populate the content area. The adapter must only 120 * contains ShortcutInfo items. 121 * 122 * @param adapter The list of applications to display in the folder. 123 */ setContentAdapter(BaseAdapter adapter)124 void setContentAdapter(BaseAdapter adapter) { 125 mContent.setAdapter(adapter); 126 } 127 notifyDataSetChanged()128 void notifyDataSetChanged() { 129 ((BaseAdapter) mContent.getAdapter()).notifyDataSetChanged(); 130 } 131 setLauncher(Launcher launcher)132 void setLauncher(Launcher launcher) { 133 mLauncher = launcher; 134 } 135 136 /** 137 * @return the FolderInfo object associated with this folder 138 */ getInfo()139 FolderInfo getInfo() { 140 return mInfo; 141 } 142 143 // When the folder opens, we need to refresh the GridView's selection by 144 // forcing a layout onOpen()145 void onOpen() { 146 mContent.requestLayout(); 147 } 148 onClose()149 void onClose() { 150 final Workspace workspace = mLauncher.getWorkspace(); 151 workspace.getChildAt(workspace.getCurrentScreen()).requestFocus(); 152 } 153 bind(FolderInfo info)154 void bind(FolderInfo info) { 155 mInfo = info; 156 mCloseButton.setText(info.title); 157 } 158 } 159