1 package com.android.launcher3; 2 3 import android.appwidget.AppWidgetHostView; 4 import android.appwidget.AppWidgetProviderInfo; 5 import android.content.ComponentName; 6 import android.content.Context; 7 import android.content.pm.PackageManager; 8 import android.graphics.Point; 9 import android.graphics.Rect; 10 import android.graphics.drawable.Drawable; 11 import android.os.Parcel; 12 import android.os.Process; 13 import android.os.UserHandle; 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 final LauncherAppWidgetProviderInfo launcherInfo; 33 if (info instanceof LauncherAppWidgetProviderInfo) { 34 launcherInfo = (LauncherAppWidgetProviderInfo) info; 35 } else { 36 37 // In lieu of a public super copy constructor, we first write the AppWidgetProviderInfo 38 // into a parcel, and then construct a new LauncherAppWidgetProvider info from the 39 // associated super parcel constructor. This allows us to copy non-public members without 40 // using reflection. 41 Parcel p = Parcel.obtain(); 42 info.writeToParcel(p, 0); 43 p.setDataPosition(0); 44 launcherInfo = new LauncherAppWidgetProviderInfo(p); 45 p.recycle(); 46 } 47 launcherInfo.initSpans(context); 48 return launcherInfo; 49 } 50 LauncherAppWidgetProviderInfo(Parcel in)51 private LauncherAppWidgetProviderInfo(Parcel in) { 52 super(in); 53 } 54 LauncherAppWidgetProviderInfo(Context context, CustomAppWidget widget)55 public LauncherAppWidgetProviderInfo(Context context, CustomAppWidget widget) { 56 isCustomWidget = true; 57 58 provider = new ComponentName(context, widget.getClass().getName()); 59 icon = widget.getIcon(); 60 label = widget.getLabel(); 61 previewImage = widget.getPreviewImage(); 62 initialLayout = widget.getWidgetLayout(); 63 resizeMode = widget.getResizeMode(); 64 initSpans(context); 65 } 66 initSpans(Context context)67 public void initSpans(Context context) { 68 InvariantDeviceProfile idp = LauncherAppState.getIDP(context); 69 70 Point paddingLand = idp.landscapeProfile.getTotalWorkspacePadding(); 71 Point paddingPort = idp.portraitProfile.getTotalWorkspacePadding(); 72 73 // Always assume we're working with the smallest span to make sure we 74 // reserve enough space in both orientations. 75 float smallestCellWidth = DeviceProfile.calculateCellWidth(Math.min( 76 idp.landscapeProfile.widthPx - paddingLand.x, 77 idp.portraitProfile.widthPx - paddingPort.x), 78 idp.numColumns); 79 float smallestCellHeight = DeviceProfile.calculateCellWidth(Math.min( 80 idp.landscapeProfile.heightPx - paddingLand.y, 81 idp.portraitProfile.heightPx - paddingPort.y), 82 idp.numRows); 83 84 // We want to account for the extra amount of padding that we are adding to the widget 85 // to ensure that it gets the full amount of space that it has requested. 86 Rect widgetPadding = AppWidgetHostView.getDefaultPaddingForWidget( 87 context, provider, null); 88 spanX = Math.max(1, (int) Math.ceil( 89 (minWidth + widgetPadding.left + widgetPadding.right) / smallestCellWidth)); 90 spanY = Math.max(1, (int) Math.ceil( 91 (minHeight + widgetPadding.top + widgetPadding.bottom) / smallestCellHeight)); 92 93 minSpanX = Math.max(1, (int) Math.ceil( 94 (minResizeWidth + widgetPadding.left + widgetPadding.right) / smallestCellWidth)); 95 minSpanY = Math.max(1, (int) Math.ceil( 96 (minResizeHeight + widgetPadding.top + widgetPadding.bottom) / smallestCellHeight)); 97 } 98 getLabel(PackageManager packageManager)99 public String getLabel(PackageManager packageManager) { 100 if (isCustomWidget) { 101 return Utilities.trim(label); 102 } 103 return super.loadLabel(packageManager); 104 } 105 getIcon(Context context, IconCache cache)106 public Drawable getIcon(Context context, IconCache cache) { 107 if (isCustomWidget) { 108 return cache.getFullResIcon(provider.getPackageName(), icon); 109 } 110 return super.loadIcon(context, LauncherAppState.getIDP(context).fillResIconDpi); 111 } 112 toString(PackageManager pm)113 public String toString(PackageManager pm) { 114 if (isCustomWidget) { 115 return "WidgetProviderInfo(" + provider + ")"; 116 } 117 return String.format("WidgetProviderInfo provider:%s package:%s short:%s label:%s", 118 provider.toString(), provider.getPackageName(), provider.getShortClassName(), getLabel(pm)); 119 } 120 getMinSpans(InvariantDeviceProfile idp, Context context)121 public Point getMinSpans(InvariantDeviceProfile idp, Context context) { 122 return new Point( 123 (resizeMode & RESIZE_HORIZONTAL) != 0 ? minSpanX : -1, 124 (resizeMode & RESIZE_VERTICAL) != 0 ? minSpanY : -1); 125 } 126 getUser()127 public UserHandle getUser() { 128 return isCustomWidget ? Process.myUserHandle() : getProfile(); 129 } 130 } 131