Merge "Preserving the open folder state across rotation" into ub-launcher3-master
diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index a3b92dc..ce7e392 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -113,7 +113,7 @@
         if (display == DISPLAY_WORKSPACE) {
             setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.iconTextSizePx);
         } else if (display == DISPLAY_ALL_APPS) {
-            setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.allAppsIconTextSizePx);
+            setTextSize(TypedValue.COMPLEX_UNIT_SP, grid.allAppsIconTextSizeSp);
             defaultIconSize = grid.allAppsIconSizePx;
         }
 
diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
index 5032dcf..8538a1f 100644
--- a/src/com/android/launcher3/DeviceProfile.java
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -98,7 +98,7 @@
     public int allAppsNumPredictiveCols;
     public int allAppsButtonVisualSize;
     public final int allAppsIconSizePx;
-    public final int allAppsIconTextSizePx;
+    public final float allAppsIconTextSizeSp;
 
     // QSB
     private int searchBarWidgetInternalPaddingTop, searchBarWidgetInternalPaddingBottom;
@@ -150,7 +150,7 @@
                 res.getDimensionPixelSize(R.dimen.dynamic_grid_icon_drawable_padding);
 
         // AllApps uses the original non-scaled icon text size
-        allAppsIconTextSizePx = Utilities.pxFromDp(inv.iconTextSize, dm);
+        allAppsIconTextSizeSp = inv.iconTextSize;
 
         // AllApps uses the original non-scaled icon size
         allAppsIconSizePx = Utilities.pxFromDp(inv.iconSize, dm);
diff --git a/src/com/android/launcher3/LauncherAppState.java b/src/com/android/launcher3/LauncherAppState.java
index 0a26109..ad959ef 100644
--- a/src/com/android/launcher3/LauncherAppState.java
+++ b/src/com/android/launcher3/LauncherAppState.java
@@ -27,6 +27,7 @@
 import com.android.launcher3.compat.LauncherAppsCompat;
 import com.android.launcher3.compat.PackageInstallerCompat;
 import com.android.launcher3.compat.UserManagerCompat;
+import com.android.launcher3.util.ConfigMonitor;
 import com.android.launcher3.util.TestingUtils;
 import com.android.launcher3.util.Thunk;
 
@@ -108,7 +109,6 @@
 
         sContext.registerReceiver(mModel, filter);
         UserManagerCompat.getInstance(sContext).enableAndResetCache();
-
         if (!Utilities.ATLEAST_KITKAT) {
             sContext.registerReceiver(new BroadcastReceiver() {
 
@@ -118,6 +118,7 @@
                 }
             }, new IntentFilter(Intent.ACTION_WALLPAPER_CHANGED));
         }
+        new ConfigMonitor(sContext).register();
     }
 
     /**
diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index 261292d..494ea2f 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -43,7 +43,6 @@
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Process;
-import android.os.StrictMode;
 import android.os.UserManager;
 import android.text.TextUtils;
 import android.util.Log;
@@ -57,7 +56,6 @@
 import com.android.launcher3.util.ManagedProfileHeuristic;
 import com.android.launcher3.util.Thunk;
 
-import java.io.File;
 import java.net.URISyntaxException;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -322,7 +320,8 @@
                 return null;
             }
             case LauncherSettings.Settings.METHOD_DELETE_DB: {
-                deleteDatabase();
+                // Are you sure? (y/n)
+                mOpenHelper.createEmptyDB(mOpenHelper.getWritableDatabase());
                 return null;
             }
         }
@@ -482,17 +481,6 @@
                 mOpenHelper, getContext().getResources(), defaultLayout);
     }
 
-    private void deleteDatabase() {
-        // Are you sure? (y/n)
-        final SQLiteDatabase db = mOpenHelper.getWritableDatabase();
-        final File dbFile = new File(db.getPath());
-        mOpenHelper.close();
-        if (dbFile.exists()) {
-            SQLiteDatabase.deleteDatabase(dbFile);
-        }
-        mOpenHelper = new DatabaseHelper(getContext(), this);
-    }
-
     /**
      * Send notification that we've deleted the {@link AppWidgetHost},
      * probably as part of the initial database creation. The receiver may
diff --git a/src/com/android/launcher3/util/ConfigMonitor.java b/src/com/android/launcher3/util/ConfigMonitor.java
new file mode 100644
index 0000000..c61fa88
--- /dev/null
+++ b/src/com/android/launcher3/util/ConfigMonitor.java
@@ -0,0 +1,55 @@
+package com.android.launcher3.util;
+
+/**
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.res.Configuration;
+import android.util.Log;
+
+/**
+ * {@link BroadcastReceiver} which watches configuration changes and
+ * restarts the process in case changes which affect the device profile.
+ */
+public class ConfigMonitor extends BroadcastReceiver {
+
+    private final Context mContext;
+    private final float mFontScale;
+
+    public ConfigMonitor(Context context) {
+        mContext = context;
+
+        Configuration config = context.getResources().getConfiguration();
+        mFontScale = config.fontScale;
+    }
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        Configuration config = context.getResources().getConfiguration();
+        if (mFontScale != config.fontScale) {
+            Log.d("ConfigMonitor", "Configuration changed, restarting launcher");
+            mContext.unregisterReceiver(this);
+            android.os.Process.killProcess(android.os.Process.myPid());
+        }
+    }
+
+    public void register() {
+        mContext.registerReceiver(this, new IntentFilter(Intent.ACTION_CONFIGURATION_CHANGED));
+    }
+}