1 files changed, 126 insertions, 0 deletions
diff --git a/src/com/android/launcher3/LauncherAppWidgetProviderInfo.java b/src/com/android/launcher3/LauncherAppWidgetProviderInfo.java
new file mode 100644
index 000000000..71a08a853
--- /dev/null
+++ b/src/com/android/launcher3/LauncherAppWidgetProviderInfo.java
@@ -0,0 +1,126 @@
+package com.android.launcher3;
+
+import android.annotation.TargetApi;
+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.Build;
+import android.os.Parcel;
+
+/**
+ * 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) {
+
+        // 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);
+        LauncherAppWidgetProviderInfo lawpi = new LauncherAppWidgetProviderInfo(p);
+        p.recycle();
+        return lawpi;
+    }
+
+    public LauncherAppWidgetProviderInfo(Parcel in) {
+        super(in);
+        initSpans();
+    }
+
+    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();
+    }
+
+    private void initSpans() {
+        LauncherAppState app = LauncherAppState.getInstance();
+        InvariantDeviceProfile idp = app.getInvariantDeviceProfile();
+
+        // We only care out the cell size, which is independent of the the layout direction.
+        Rect paddingLand = idp.landscapeProfile.getWorkspacePadding(false /* isLayoutRtl */);
+        Rect paddingPort = idp.portraitProfile.getWorkspacePadding(false /* isLayoutRtl */);
+
+        // 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.left - paddingLand.right,
+                idp.portraitProfile.widthPx - paddingPort.left - paddingPort.right),
+                idp.numColumns);
+        float smallestCellHeight = DeviceProfile.calculateCellWidth(Math.min(
+                idp.landscapeProfile.heightPx - paddingLand.top - paddingLand.bottom,
+                idp.portraitProfile.heightPx - paddingPort.top - paddingPort.bottom),
+                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(
+                app.getContext(), 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));
+    }
+
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+    public String getLabel(PackageManager packageManager) {
+        if (isCustomWidget) {
+            return Utilities.trim(label);
+        }
+        return super.loadLabel(packageManager);
+    }
+
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+    public Drawable getIcon(Context context, IconCache cache) {
+        if (isCustomWidget) {
+            return cache.getFullResIcon(provider.getPackageName(), icon);
+        }
+        return super.loadIcon(context,
+                LauncherAppState.getInstance().getInvariantDeviceProfile().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);
+    }
+ }