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package com.android.launcher2;
import java.util.ArrayList;
import android.content.Context;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.TextView;
import com.android.launcher.R;
/**
* Folder which contains applications or shortcuts chosen by the user.
*
*/
public class UserFolder extends Folder implements DropTarget {
private static final String TAG = "Launcher.UserFolder";
protected CellLayout mContent;
private final LayoutInflater mInflater;
private final IconCache mIconCache;
public UserFolder(Context context, AttributeSet attrs) {
super(context, attrs);
mInflater = LayoutInflater.from(context);
mIconCache = ((LauncherApplication)context.getApplicationContext()).getIconCache();
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mContent = (CellLayout) findViewById(R.id.folder_content);
}
/**
* Creates a new UserFolder, inflated from R.layout.user_folder.
*
* @param context The application's context.
*
* @return A new UserFolder.
*/
static UserFolder fromXml(Context context) {
return (UserFolder) LayoutInflater.from(context).inflate(R.layout.user_folder, null);
}
@Override
void notifyDataSetChanged() {
// recreate all the children if the data set changes under us. We may want to do this more
// intelligently (ie just removing the views that should no longer exist)
mContent.removeAllViewsInLayout();
bind(mInfo);
}
public void onClick(View v) {
Object tag = v.getTag();
if (tag instanceof ShortcutInfo) {
// refactor this code from Folder
ShortcutInfo item = (ShortcutInfo) tag;
int[] pos = new int[2];
v.getLocationOnScreen(pos);
item.intent.setSourceBounds(new Rect(pos[0], pos[1],
pos[0] + v.getWidth(), pos[1] + v.getHeight()));
mLauncher.startActivitySafely(item.intent, item);
} else {
super.onClick(v);
}
}
public boolean onLongClick(View v) {
Object tag = v.getTag();
if (tag instanceof ShortcutInfo) {
// refactor this code from Folder
ShortcutInfo item = (ShortcutInfo) tag;
if (!v.isInTouchMode()) {
return false;
}
mLauncher.getWorkspace().onDragStartedWithItem(v);
mDragController.startDrag(v, this, item, DragController.DRAG_ACTION_COPY);
mLauncher.closeFolder(this);
mDragItem = item;
return true;
} else {
return super.onLongClick(v);
}
}
public boolean acceptDrop(DragSource source, int x, int y, int xOffset, int yOffset,
DragView dragView, Object dragInfo) {
final ItemInfo item = (ItemInfo) dragInfo;
final int itemType = item.itemType;
return (itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION ||
itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT)
&& item.container != mInfo.id;
}
public void onDrop(DragSource source, int x, int y, int xOffset, int yOffset,
DragView dragView, Object dragInfo) {
ShortcutInfo item;
if (dragInfo instanceof ApplicationInfo) {
// Came from all apps -- make a copy
item = ((ApplicationInfo)dragInfo).makeShortcut();
item.spanX = 1;
item.spanY = 1;
} else {
item = (ShortcutInfo)dragInfo;
}
findAndSetEmptyCells(item);
((UserFolderInfo)mInfo).add(item);
createAndAddShortcut(item);
LauncherModel.addOrMoveItemInDatabase(mLauncher, item, mInfo.id, 0, item.cellX, item.cellY);
}
protected boolean findAndSetEmptyCells(ShortcutInfo item) {
int[] emptyCell = new int[2];
if (mContent.findCellForSpan(emptyCell, item.spanX, item.spanY)) {
item.cellX = emptyCell[0];
item.cellY = emptyCell[1];
LauncherModel.addOrMoveItemInDatabase(
mLauncher, item, mInfo.id, 0, item.cellX, item.cellY);
return true;
} else {
return false;
}
}
protected void createAndAddShortcut(ShortcutInfo item) {
final TextView textView =
(TextView) mInflater.inflate(R.layout.application_boxed, this, false);
textView.setCompoundDrawablesWithIntrinsicBounds(null,
new FastBitmapDrawable(item.getIcon(mIconCache)), null, null);
textView.setText(item.title);
textView.setTag(item);
textView.setOnClickListener(this);
textView.setOnLongClickListener(this);
CellLayout.LayoutParams lp =
new CellLayout.LayoutParams(item.cellX, item.cellY, item.spanX, item.spanY);
boolean insert = false;
mContent.addViewToCellLayout(textView, insert ? 0 : -1, (int)item.id, lp, true);
}
public void onDragEnter(DragSource source, int x, int y, int xOffset, int yOffset,
DragView dragView, Object dragInfo) {
}
public void onDragOver(DragSource source, int x, int y, int xOffset, int yOffset,
DragView dragView, Object dragInfo) {
}
public void onDragExit(DragSource source, int x, int y, int xOffset, int yOffset,
DragView dragView, Object dragInfo) {
}
@Override
public void onDropCompleted(View target, Object dragInfo, boolean success) {
if (success) {
((UserFolderInfo)mInfo).remove(mDragItem);
}
}
public boolean isDropEnabled() {
return true;
}
void bind(FolderInfo info) {
super.bind(info);
ArrayList<ShortcutInfo> children = ((UserFolderInfo)info).contents;
for (int i = 0; i < children.size(); i++) {
ShortcutInfo child = (ShortcutInfo) children.get(i);
if ((child.cellX == -1 && child.cellY == -1) ||
mContent.isOccupied(child.cellX, child.cellY)) {
findAndSetEmptyCells(child);
}
createAndAddShortcut((ShortcutInfo) children.get(i));
}
}
@Override
void onOpen() {
super.onOpen();
// When the folder opens, we need to refresh the GridView's selection by
// forcing a layout
// TODO: find out if this is still necessary
mContent.requestLayout();
requestFocus();
}
@Override
public DropTarget getDropTargetDelegate(DragSource source, int x, int y, int xOffset, int yOffset,
DragView dragView, Object dragInfo) {
return null;
}
}
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