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When dragging items on the home screen, visualize where they will drop.

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Draw a rectangle around the area where an item will land if it is dropped.
If the area is vacant, the rectangle is green; otherwise, it is red.

Change-Id: I859b52514566fa55f8c7a04493b8088d12baa476
This commit is contained in:
Patrick Dubroy
2010-07-12 14:25:18 -07:00
parent 4ab2f860e7
commit 6569f2c80e
8 changed files with 249 additions and 58 deletions
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28
src/com/android/launcher2/LauncherAppWidgetInfo.java
View File

@@ -21,23 +21,46 @@ import android.content.ComponentName;
import android.content.ContentValues;
/**
* Represents a widget, which just contains an identifier.
* Represents a widget (either instantiated or about to be) in the Launcher.
*/
class LauncherAppWidgetInfo extends ItemInfo {
/**
* Indicates that the widget hasn't been instantiated yet.
*/
static final int NO_ID = -1;
/**
* Identifier for this widget when talking with
* {@link android.appwidget.AppWidgetManager} for updates.
*/
int appWidgetId;
int appWidgetId = NO_ID;
ComponentName providerName;
// TODO: Are these necessary here?
int minWidth = -1;
int minHeight = -1;
/**
* View that holds this widget after it's been created. This view isn't created
* until Launcher knows it's needed.
*/
AppWidgetHostView hostView = null;
/**
* Constructor for use with AppWidgets that haven't been instantiated yet.
*/
LauncherAppWidgetInfo(ComponentName providerName) {
itemType = LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET;
this.providerName = providerName;
// Since the widget isn't instantiated yet, we don't know these values. Set them to -1
// to indicate that they should be calculated based on the layout and minWidth/minHeight
spanX = -1;
spanY = -1;
}
LauncherAppWidgetInfo(int appWidgetId) {
itemType = LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET;
this.appWidgetId = appWidgetId;
@@ -54,7 +77,6 @@ class LauncherAppWidgetInfo extends ItemInfo {
return "AppWidget(id=" + Integer.toString(appWidgetId) + ")";
}
@Override
void unbind() {
super.unbind();