1 package com.android.launcher3; 2 3 import android.annotation.TargetApi; 4 import android.appwidget.AppWidgetHostView; 5 import android.appwidget.AppWidgetProviderInfo; 6 import android.content.ComponentName; 7 import android.content.Context; 8 import android.content.pm.PackageManager; 9 import android.graphics.Point; 10 import android.graphics.Rect; 11 import android.graphics.drawable.Drawable; 12 import android.os.Build; 13 import android.os.Parcel; 14 15 /** 16 * This class is a thin wrapper around the framework AppWidgetProviderInfo class. This class affords 17 * a common object for describing both framework provided AppWidgets as well as custom widgets 18 * (who's implementation is owned by the launcher). This object represents a widget type / class, 19 * as opposed to a widget instance, and so should not be confused with {@link LauncherAppWidgetInfo} 20 */ 21 public class LauncherAppWidgetProviderInfo extends AppWidgetProviderInfo { 22 23 public boolean isCustomWidget = false; 24 25 public int spanX; 26 public int spanY; 27 public int minSpanX; 28 public int minSpanY; 29 fromProviderInfo(Context context, AppWidgetProviderInfo info)30 public static LauncherAppWidgetProviderInfo fromProviderInfo(Context context, 31 AppWidgetProviderInfo info) { 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 LauncherAppWidgetProviderInfo lawpi = new LauncherAppWidgetProviderInfo(p); 41 p.recycle(); 42 return lawpi; 43 } 44 LauncherAppWidgetProviderInfo(Parcel in)45 public LauncherAppWidgetProviderInfo(Parcel in) { 46 super(in); 47 initSpans(); 48 } 49 LauncherAppWidgetProviderInfo(Context context, CustomAppWidget widget)50 public LauncherAppWidgetProviderInfo(Context context, CustomAppWidget widget) { 51 isCustomWidget = true; 52 53 provider = new ComponentName(context, widget.getClass().getName()); 54 icon = widget.getIcon(); 55 label = widget.getLabel(); 56 previewImage = widget.getPreviewImage(); 57 initialLayout = widget.getWidgetLayout(); 58 resizeMode = widget.getResizeMode(); 59 initSpans(); 60 } 61 initSpans()62 public void initSpans() { 63 LauncherAppState app = LauncherAppState.getInstance(); 64 InvariantDeviceProfile idp = app.getInvariantDeviceProfile(); 65 66 Point paddingLand = idp.landscapeProfile.getTotalWorkspacePadding(); 67 Point paddingPort = idp.portraitProfile.getTotalWorkspacePadding(); 68 69 // Always assume we're working with the smallest span to make sure we 70 // reserve enough space in both orientations. 71 float smallestCellWidth = DeviceProfile.calculateCellWidth(Math.min( 72 idp.landscapeProfile.widthPx - paddingLand.x, 73 idp.portraitProfile.widthPx - paddingPort.x), 74 idp.numColumns); 75 float smallestCellHeight = DeviceProfile.calculateCellWidth(Math.min( 76 idp.landscapeProfile.heightPx - paddingLand.y, 77 idp.portraitProfile.heightPx - paddingPort.y), 78 idp.numRows); 79 80 // We want to account for the extra amount of padding that we are adding to the widget 81 // to ensure that it gets the full amount of space that it has requested. 82 Rect widgetPadding = AppWidgetHostView.getDefaultPaddingForWidget( 83 app.getContext(), provider, null); 84 spanX = Math.max(1, (int) Math.ceil( 85 (minWidth + widgetPadding.left + widgetPadding.right) / smallestCellWidth)); 86 spanY = Math.max(1, (int) Math.ceil( 87 (minHeight + widgetPadding.top + widgetPadding.bottom) / smallestCellHeight)); 88 89 minSpanX = Math.max(1, (int) Math.ceil( 90 (minResizeWidth + widgetPadding.left + widgetPadding.right) / smallestCellWidth)); 91 minSpanY = Math.max(1, (int) Math.ceil( 92 (minResizeHeight + widgetPadding.top + widgetPadding.bottom) / smallestCellHeight)); 93 } 94 95 @TargetApi(Build.VERSION_CODES.LOLLIPOP) getLabel(PackageManager packageManager)96 public String getLabel(PackageManager packageManager) { 97 if (isCustomWidget) { 98 return Utilities.trim(label); 99 } 100 return super.loadLabel(packageManager); 101 } 102 103 @TargetApi(Build.VERSION_CODES.LOLLIPOP) getIcon(Context context, IconCache cache)104 public Drawable getIcon(Context context, IconCache cache) { 105 if (isCustomWidget) { 106 return cache.getFullResIcon(provider.getPackageName(), icon); 107 } 108 return super.loadIcon(context, 109 LauncherAppState.getInstance().getInvariantDeviceProfile().fillResIconDpi); 110 } 111 toString(PackageManager pm)112 public String toString(PackageManager pm) { 113 if (isCustomWidget) { 114 return "WidgetProviderInfo(" + provider + ")"; 115 } 116 return String.format("WidgetProviderInfo provider:%s package:%s short:%s label:%s", 117 provider.toString(), provider.getPackageName(), provider.getShortClassName(), getLabel(pm)); 118 } 119 getMinSpans(InvariantDeviceProfile idp, Context context)120 public Point getMinSpans(InvariantDeviceProfile idp, Context context) { 121 return new Point( 122 (resizeMode & RESIZE_HORIZONTAL) != 0 ? minSpanX : -1, 123 (resizeMode & RESIZE_VERTICAL) != 0 ? minSpanY : -1); 124 } 125 } 126