1 package com.android.launcher3; 2 3 import android.appwidget.AppWidgetHostView; 4 import android.appwidget.AppWidgetProviderInfo; 5 import android.content.Context; 6 import android.content.pm.PackageManager; 7 import android.graphics.Point; 8 import android.graphics.Rect; 9 import android.os.Parcel; 10 11 /** 12 * This class is a thin wrapper around the framework AppWidgetProviderInfo class. This class affords 13 * a common object for describing both framework provided AppWidgets as well as custom widgets 14 * (who's implementation is owned by the launcher). This object represents a widget type / class, 15 * as opposed to a widget instance, and so should not be confused with {@link LauncherAppWidgetInfo} 16 */ 17 public class LauncherAppWidgetProviderInfo extends AppWidgetProviderInfo { 18 19 public static final String CLS_CUSTOM_WIDGET_PREFIX = "#custom-widget-"; 20 21 public int spanX; 22 public int spanY; 23 public int minSpanX; 24 public int minSpanY; 25 fromProviderInfo(Context context, AppWidgetProviderInfo info)26 public static LauncherAppWidgetProviderInfo fromProviderInfo(Context context, 27 AppWidgetProviderInfo info) { 28 final LauncherAppWidgetProviderInfo launcherInfo; 29 if (info instanceof LauncherAppWidgetProviderInfo) { 30 launcherInfo = (LauncherAppWidgetProviderInfo) info; 31 } else { 32 33 // In lieu of a public super copy constructor, we first write the AppWidgetProviderInfo 34 // into a parcel, and then construct a new LauncherAppWidgetProvider info from the 35 // associated super parcel constructor. This allows us to copy non-public members without 36 // using reflection. 37 Parcel p = Parcel.obtain(); 38 info.writeToParcel(p, 0); 39 p.setDataPosition(0); 40 launcherInfo = new LauncherAppWidgetProviderInfo(p); 41 p.recycle(); 42 } 43 launcherInfo.initSpans(context); 44 return launcherInfo; 45 } 46 LauncherAppWidgetProviderInfo()47 protected LauncherAppWidgetProviderInfo() {} 48 LauncherAppWidgetProviderInfo(Parcel in)49 protected LauncherAppWidgetProviderInfo(Parcel in) { 50 super(in); 51 } 52 initSpans(Context context)53 public void initSpans(Context context) { 54 InvariantDeviceProfile idp = LauncherAppState.getIDP(context); 55 56 Point paddingLand = idp.landscapeProfile.getTotalWorkspacePadding(); 57 Point paddingPort = idp.portraitProfile.getTotalWorkspacePadding(); 58 59 // Always assume we're working with the smallest span to make sure we 60 // reserve enough space in both orientations. 61 float smallestCellWidth = DeviceProfile.calculateCellWidth(Math.min( 62 idp.landscapeProfile.widthPx - paddingLand.x, 63 idp.portraitProfile.widthPx - paddingPort.x), 64 idp.numColumns); 65 float smallestCellHeight = DeviceProfile.calculateCellWidth(Math.min( 66 idp.landscapeProfile.heightPx - paddingLand.y, 67 idp.portraitProfile.heightPx - paddingPort.y), 68 idp.numRows); 69 70 // We want to account for the extra amount of padding that we are adding to the widget 71 // to ensure that it gets the full amount of space that it has requested. 72 Rect widgetPadding = AppWidgetHostView.getDefaultPaddingForWidget( 73 context, provider, null); 74 spanX = Math.max(1, (int) Math.ceil( 75 (minWidth + widgetPadding.left + widgetPadding.right) / smallestCellWidth)); 76 spanY = Math.max(1, (int) Math.ceil( 77 (minHeight + widgetPadding.top + widgetPadding.bottom) / smallestCellHeight)); 78 79 minSpanX = Math.max(1, (int) Math.ceil( 80 (minResizeWidth + widgetPadding.left + widgetPadding.right) / smallestCellWidth)); 81 minSpanY = Math.max(1, (int) Math.ceil( 82 (minResizeHeight + widgetPadding.top + widgetPadding.bottom) / smallestCellHeight)); 83 } 84 getLabel(PackageManager packageManager)85 public String getLabel(PackageManager packageManager) { 86 return super.loadLabel(packageManager); 87 } 88 getMinSpans()89 public Point getMinSpans() { 90 return new Point((resizeMode & RESIZE_HORIZONTAL) != 0 ? minSpanX : -1, 91 (resizeMode & RESIZE_VERTICAL) != 0 ? minSpanY : -1); 92 } 93 isCustomWidget()94 public boolean isCustomWidget() { 95 return provider.getClassName().startsWith(CLS_CUSTOM_WIDGET_PREFIX); 96 } 97 getWidgetFeatures()98 public int getWidgetFeatures() { 99 if (Utilities.ATLEAST_P) { 100 return widgetFeatures; 101 } else { 102 return 0; 103 } 104 } 105 } 106