Merge "Check Bridge init before disposing." into lmp-dev

automerge: 568f16c

* commit '568f16ccfbe95d5a68e3e3a732565a1063d5160e':
  Check Bridge init before disposing.

tools/layoutlib/bridge/src/android/graphics/FontFamily_Delegate.java

@@ -213,6 +213,10 @@ public class FontFamily_Delegate {
         return null;
     }
 
+    @Nullable
+    /*package*/ static String getFontLocation() {
+        return sFontLocation;
+    }
 
     // ---- native methods ----
 

tools/layoutlib/bridge/src/android/graphics/Typeface_Accessor.java

@@ -1,27 +0,0 @@
-/*
- * Copyright (C) 2011 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.
- */
-
-package android.graphics;
-
-/**
- * Class allowing access to package-protected methods/fields.
- */
-public class Typeface_Accessor {
-
-    public static void resetDefaults() {
-        Typeface.sDefaults = null;
-    }
-}

tools/layoutlib/bridge/src/android/graphics/Typeface_Delegate.java

@@ -27,6 +27,8 @@ import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
+import static android.graphics.FontFamily_Delegate.getFontLocation;
+
 /**
  * Delegate implementing the native methods of android.graphics.Typeface
  *
@@ -48,8 +50,6 @@ public final class Typeface_Delegate {
     private static final DelegateManager<Typeface_Delegate> sManager =
             new DelegateManager<Typeface_Delegate>(Typeface_Delegate.class);
 
-    // ---- delegate helper data ----
-    private static String sFontLocation;
 
     // ---- delegate data ----
 
@@ -61,11 +61,8 @@ public final class Typeface_Delegate {
 
     private static long sDefaultTypeface;
 
+
     // ---- Public Helper methods ----
-    public static synchronized void setFontLocation(String fontLocation) {
-        sFontLocation = fontLocation;
-        FontFamily_Delegate.setFontLocation(fontLocation);
-    }
 
     public static Typeface_Delegate getDelegate(long nativeTypeface) {
         return sManager.getDelegate(nativeTypeface);
@@ -131,6 +128,18 @@ public final class Typeface_Delegate {
         return fonts;
     }
 
+    /**
+     * Clear the default typefaces when disposing bridge.
+     */
+    public static void resetDefaults() {
+        // Sometimes this is called before the Bridge is initialized. In that case, we don't want to
+        // initialize Typeface because the SDK fonts location hasn't been set.
+        if (FontFamily_Delegate.getFontLocation() != null) {
+            Typeface.sDefaults = null;
+        }
+    }
+
+
     // ---- native methods ----
 
     @LayoutlibDelegate
@@ -193,7 +202,7 @@ public final class Typeface_Delegate {
 
     @LayoutlibDelegate
     /*package*/ static File getSystemFontConfigLocation() {
-        return new File(sFontLocation);
+        return new File(getFontLocation());
     }
 
     // ---- Private delegate/helper methods ----

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/Bridge.java

@@ -38,7 +38,7 @@ import com.ibm.icu.util.ULocale;
 
 import android.content.res.BridgeAssetManager;
 import android.graphics.Bitmap;
-import android.graphics.Typeface_Accessor;
+import android.graphics.FontFamily_Delegate;
 import android.graphics.Typeface_Delegate;
 import android.os.Looper;
 import android.os.Looper_Accessor;
@@ -250,7 +250,7 @@ public final class Bridge extends com.android.ide.common.rendering.api.Bridge {
         }
 
         // load the fonts.
-        Typeface_Delegate.setFontLocation(fontLocation.getAbsolutePath());
+        FontFamily_Delegate.setFontLocation(fontLocation.getAbsolutePath());
 
         // now parse com.android.internal.R (and only this one as android.R is a subset of
         // the internal version), and put the content in the maps.
@@ -303,7 +303,7 @@ public final class Bridge extends com.android.ide.common.rendering.api.Bridge {
         BridgeAssetManager.clearSystem();
 
         // dispose of the default typeface.
-        Typeface_Accessor.resetDefaults();
+        Typeface_Delegate.resetDefaults();
 
         return true;
     }