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package com.android.launcher3;
import android.appwidget.AppWidgetHostView;
import android.appwidget.AppWidgetProviderInfo;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.PackageManager;
import android.graphics.Point;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.os.Parcel;
import android.os.Process;
import android.os.UserHandle;
/**
* This class is a thin wrapper around the framework AppWidgetProviderInfo class. This class affords
* a common object for describing both framework provided AppWidgets as well as custom widgets
* (who's implementation is owned by the launcher). This object represents a widget type / class,
* as opposed to a widget instance, and so should not be confused with {@link LauncherAppWidgetInfo}
*/
public class LauncherAppWidgetProviderInfo extends AppWidgetProviderInfo {
public boolean isCustomWidget = false;
public int spanX;
public int spanY;
public int minSpanX;
public int minSpanY;
public static LauncherAppWidgetProviderInfo fromProviderInfo(Context context,
AppWidgetProviderInfo info) {
final LauncherAppWidgetProviderInfo launcherInfo;
if (info instanceof LauncherAppWidgetProviderInfo) {
launcherInfo = (LauncherAppWidgetProviderInfo) info;
} else {
// In lieu of a public super copy constructor, we first write the AppWidgetProviderInfo
// into a parcel, and then construct a new LauncherAppWidgetProvider info from the
// associated super parcel constructor. This allows us to copy non-public members without
// using reflection.
Parcel p = Parcel.obtain();
info.writeToParcel(p, 0);
p.setDataPosition(0);
launcherInfo = new LauncherAppWidgetProviderInfo(p);
p.recycle();
}
launcherInfo.initSpans(context);
return launcherInfo;
}
private LauncherAppWidgetProviderInfo(Parcel in) {
super(in);
}
public LauncherAppWidgetProviderInfo(Context context, CustomAppWidget widget) {
isCustomWidget = true;
provider = new ComponentName(context, widget.getClass().getName());
icon = widget.getIcon();
label = widget.getLabel();
previewImage = widget.getPreviewImage();
initialLayout = widget.getWidgetLayout();
resizeMode = widget.getResizeMode();
initSpans(context);
}
public void initSpans(Context context) {
InvariantDeviceProfile idp = LauncherAppState.getIDP(context);
Point paddingLand = idp.landscapeProfile.getTotalWorkspacePadding();
Point paddingPort = idp.portraitProfile.getTotalWorkspacePadding();
// Always assume we're working with the smallest span to make sure we
// reserve enough space in both orientations.
float smallestCellWidth = DeviceProfile.calculateCellWidth(Math.min(
idp.landscapeProfile.widthPx - paddingLand.x,
idp.portraitProfile.widthPx - paddingPort.x),
idp.numColumns);
float smallestCellHeight = DeviceProfile.calculateCellWidth(Math.min(
idp.landscapeProfile.heightPx - paddingLand.y,
idp.portraitProfile.heightPx - paddingPort.y),
idp.numRows);
// We want to account for the extra amount of padding that we are adding to the widget
// to ensure that it gets the full amount of space that it has requested.
Rect widgetPadding = AppWidgetHostView.getDefaultPaddingForWidget(
context, provider, null);
spanX = Math.max(1, (int) Math.ceil(
(minWidth + widgetPadding.left + widgetPadding.right) / smallestCellWidth));
spanY = Math.max(1, (int) Math.ceil(
(minHeight + widgetPadding.top + widgetPadding.bottom) / smallestCellHeight));
minSpanX = Math.max(1, (int) Math.ceil(
(minResizeWidth + widgetPadding.left + widgetPadding.right) / smallestCellWidth));
minSpanY = Math.max(1, (int) Math.ceil(
(minResizeHeight + widgetPadding.top + widgetPadding.bottom) / smallestCellHeight));
}
public String getLabel(PackageManager packageManager) {
if (isCustomWidget) {
return Utilities.trim(label);
}
return super.loadLabel(packageManager);
}
public Drawable getIcon(Context context, IconCache cache) {
if (isCustomWidget) {
return cache.getFullResIcon(provider.getPackageName(), icon);
}
return super.loadIcon(context, LauncherAppState.getIDP(context).fillResIconDpi);
}
public String toString(PackageManager pm) {
if (isCustomWidget) {
return "WidgetProviderInfo(" + provider + ")";
}
return String.format("WidgetProviderInfo provider:%s package:%s short:%s label:%s",
provider.toString(), provider.getPackageName(), provider.getShortClassName(), getLabel(pm));
}
public Point getMinSpans(InvariantDeviceProfile idp, Context context) {
return new Point(
(resizeMode & RESIZE_HORIZONTAL) != 0 ? minSpanX : -1,
(resizeMode & RESIZE_VERTICAL) != 0 ? minSpanY : -1);
}
public UserHandle getUser() {
return isCustomWidget ? Process.myUserHandle() : getProfile();
}
}
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