Merge "Move Path to NAR" into pi-dev

am: 9434b66bf7

Change-Id: I693153af6cdd6face8aae7cc1cd6c828fc774b78

core/jni/android/graphics/Path.cpp

@@ -37,6 +37,14 @@ namespace android {
 class SkPathGlue {
 public:
 
+    static void finalizer(SkPath* obj) {
+        // Purge entries from the HWUI path cache if this path's data is unique
+        if (obj->unique() && android::uirenderer::Caches::hasInstance()) {
+            android::uirenderer::Caches::getInstance().pathCache.removeDeferred(obj);
+        }
+        delete obj;
+    }
+
     // ---------------- Regular JNI -----------------------------
 
     static jlong init(JNIEnv* env, jclass clazz) {
@@ -48,13 +56,8 @@ public:
         return reinterpret_cast<jlong>(new SkPath(*val));
     }
 
-    static void finalize(JNIEnv* env, jclass clazz, jlong objHandle) {
-        SkPath* obj = reinterpret_cast<SkPath*>(objHandle);
-        // Purge entries from the HWUI path cache if this path's data is unique
-        if (obj->unique() && android::uirenderer::Caches::hasInstance()) {
-            android::uirenderer::Caches::getInstance().pathCache.removeDeferred(obj);
-        }
-        delete obj;
+    static jlong getFinalizer(JNIEnv* env, jclass clazz) {
+        return static_cast<jlong>(reinterpret_cast<uintptr_t>(&finalizer));
     }
 
     static void set(JNIEnv* env, jclass clazz, jlong dstHandle, jlong srcHandle) {
@@ -469,7 +472,9 @@ public:
         SkRect rect;
         SkPath* obj = reinterpret_cast<SkPath*>(objHandle);
         jboolean result = obj->isRect(&rect);
-        GraphicsJNI::rect_to_jrectf(rect, env, jrect);
+        if (jrect) {
+            GraphicsJNI::rect_to_jrectf(rect, env, jrect);
+        }
         return result;
     }
 
@@ -510,7 +515,7 @@ public:
 static const JNINativeMethod methods[] = {
     {"nInit","()J", (void*) SkPathGlue::init},
     {"nInit","(J)J", (void*) SkPathGlue::init_Path},
-    {"nFinalize", "(J)V", (void*) SkPathGlue::finalize},
+    {"nGetFinalizer", "()J", (void*) SkPathGlue::getFinalizer},
     {"nSet","(JJ)V", (void*) SkPathGlue::set},
     {"nComputeBounds","(JLandroid/graphics/RectF;)V", (void*) SkPathGlue::computeBounds},
     {"nIncReserve","(JI)V", (void*) SkPathGlue::incReserve},

graphics/java/android/graphics/Path.java

@@ -24,6 +24,8 @@ import android.annotation.Size;
 import dalvik.annotation.optimization.CriticalNative;
 import dalvik.annotation.optimization.FastNative;
 
+import libcore.util.NativeAllocationRegistry;
+
 /**
  * The Path class encapsulates compound (multiple contour) geometric paths
  * consisting of straight line segments, quadratic curves, and cubic curves.
@@ -32,10 +34,14 @@ import dalvik.annotation.optimization.FastNative;
  * text on a path.
  */
 public class Path {
+
+    private static final NativeAllocationRegistry sRegistry = new NativeAllocationRegistry(
+                Path.class.getClassLoader(), nGetFinalizer(), 48 /* dummy size */);
+
     /**
      * @hide
      */
-    public long mNativePath;
+    public final long mNativePath;
 
     /**
      * @hide
@@ -52,6 +58,7 @@ public class Path {
      */
     public Path() {
         mNativePath = nInit();
+        sRegistry.registerNativeAllocation(this, mNativePath);
     }
 
     /**
@@ -69,6 +76,7 @@ public class Path {
             }
         }
         mNativePath = nInit(valNative);
+        sRegistry.registerNativeAllocation(this, mNativePath);
     }
 
     /**
@@ -297,7 +305,7 @@ public class Path {
      *             a rectangle
      * @return     true if the path specifies a rectangle
      */
-    public boolean isRect(RectF rect) {
+    public boolean isRect(@Nullable  RectF rect) {
         return nIsRect(mNativePath, rect);
     }
 
@@ -771,15 +779,6 @@ public class Path {
         nTransform(mNativePath, matrix.native_instance);
     }
 
-    protected void finalize() throws Throwable {
-        try {
-            nFinalize(mNativePath);
-            mNativePath = 0;  //  Other finalizers can still call us.
-        } finally {
-            super.finalize();
-        }
-    }
-
     /** @hide */
     public final long readOnlyNI() {
         return mNativePath;
@@ -820,7 +819,7 @@ public class Path {
 
     private static native long nInit();
     private static native long nInit(long nPath);
-    private static native void nFinalize(long nPath);
+    private static native long nGetFinalizer();
     private static native void nSet(long native_dst, long nSrc);
     private static native void nComputeBounds(long nPath, RectF bounds);
     private static native void nIncReserve(long nPath, int extraPtCount);