Remove widgets that no longer fit the workspace in their current spans.

This can happen when display size changes.
We compare span sizes of widget in the db to the min sizes of the widget
in the current display size. If the widget can no longer fit in its existing
spans, we remove it.

Also update test widgets to have minWidth/minHeight of 1dp. This ensures that
the spanX, spanY, min* values remain consistent between different test devices.

Bug: 168818961
Change-Id: I723372e4582658f78b2f23ced9073cb77977a6b8
diff --git a/src/com/android/launcher3/model/LoaderTask.java b/src/com/android/launcher3/model/LoaderTask.java
index 2b4520b..c0d5882 100644
--- a/src/com/android/launcher3/model/LoaderTask.java
+++ b/src/com/android/launcher3/model/LoaderTask.java
@@ -49,6 +49,7 @@
 import android.util.TimingLogger;
 
 import com.android.launcher3.LauncherAppState;
+import com.android.launcher3.LauncherAppWidgetProviderInfo;
 import com.android.launcher3.LauncherModel;
 import com.android.launcher3.LauncherSettings;
 import com.android.launcher3.Utilities;
@@ -306,6 +307,7 @@
         final PackageManagerHelper pmHelper = new PackageManagerHelper(context);
         final boolean isSafeMode = pmHelper.isSafeMode();
         final boolean isSdCardReady = Utilities.isBootCompleted();
+        final WidgetManagerHelper widgetHelper = new WidgetManagerHelper(context);
 
         boolean clearDb = false;
         try {
@@ -391,6 +393,7 @@
 
                 WorkspaceItemInfo info;
                 LauncherAppWidgetInfo appWidgetInfo;
+                LauncherAppWidgetProviderInfo widgetProviderInfo;
                 Intent intent;
                 String targetPkg;
 
@@ -720,6 +723,19 @@
                                             + appWidgetInfo.spanX + "x" + appWidgetInfo.spanY);
                                     continue;
                                 }
+                                widgetProviderInfo =
+                                        widgetHelper.getLauncherAppWidgetInfo(appWidgetId);
+                                if (widgetProviderInfo != null
+                                        && (appWidgetInfo.spanX < widgetProviderInfo.minSpanX
+                                        || appWidgetInfo.spanY < widgetProviderInfo.minSpanY)) {
+                                    // This can happen when display size changes.
+                                    c.markDeleted("Widget removed, min sizes not met: "
+                                            + "span=" + appWidgetInfo.spanX + "x"
+                                            + appWidgetInfo.spanY + " minSpan="
+                                            + widgetProviderInfo.minSpanX + "x"
+                                            + widgetProviderInfo.minSpanY);
+                                    continue;
+                                }
                                 if (!c.isOnWorkspaceOrHotseat()) {
                                     c.markDeleted("Widget found where container != " +
                                             "CONTAINER_DESKTOP nor CONTAINER_HOTSEAT - ignoring!");
diff --git a/tests/res/xml/appwidget_hidden.xml b/tests/res/xml/appwidget_hidden.xml
index 6f0e006..f6cffb5 100644
--- a/tests/res/xml/appwidget_hidden.xml
+++ b/tests/res/xml/appwidget_hidden.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <appwidget-provider
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:minWidth="180dp"
-    android:minHeight="110dp"
+    android:minWidth="1dp"
+    android:minHeight="1dp"
     android:updatePeriodMillis="86400000"
     android:initialLayout="@layout/test_layout_appwidget_blue"
     android:resizeMode="horizontal|vertical"
diff --git a/tests/res/xml/appwidget_no_config.xml b/tests/res/xml/appwidget_no_config.xml
index d24dfe3..0d932dc 100644
--- a/tests/res/xml/appwidget_no_config.xml
+++ b/tests/res/xml/appwidget_no_config.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <appwidget-provider
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:minWidth="180dp"
-    android:minHeight="110dp"
+    android:minWidth="1dp"
+    android:minHeight="1dp"
     android:updatePeriodMillis="86400000"
     android:initialLayout="@layout/test_layout_appwidget_red"
     android:resizeMode="horizontal|vertical"
diff --git a/tests/res/xml/appwidget_with_config.xml b/tests/res/xml/appwidget_with_config.xml
index 8403689..813e6df 100644
--- a/tests/res/xml/appwidget_with_config.xml
+++ b/tests/res/xml/appwidget_with_config.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <appwidget-provider
     xmlns:android="http://schemas.android.com/apk/res/android"
-    android:minWidth="180dp"
-    android:minHeight="110dp"
+    android:minWidth="1dp"
+    android:minHeight="1dp"
     android:updatePeriodMillis="86400000"
     android:initialLayout="@layout/test_layout_appwidget_blue"
     android:configure="com.android.launcher3.testcomponent.WidgetConfigActivity"