android: compat webviewexecutor to support arraybuffer

doric-android/jse/src/main/java/com/github/pengfeizhou/jscore/JSArrayBuffer.java

@@ -0,0 +1,23 @@
+package com.github.pengfeizhou.jscore;
+
+public class JSArrayBuffer extends JSValue {
+    private final byte[] mVal;
+
+    public JSArrayBuffer(byte[] val) {
+        this.mVal = val;
+    }
+
+    public int getByteLength() {
+        return mVal.length;
+    }
+
+    @Override
+    public JSType getJSType() {
+        return JSType.ArrayBuffer;
+    }
+
+    @Override
+    public byte[] value() {
+        return mVal;
+    }
+}

doric-android/jse/src/main/java/com/github/pengfeizhou/jscore/JSValue.java

@@ -25,6 +25,7 @@ public abstract class JSValue {
         String,
         Object,
         Array,
+        ArrayBuffer,
     }
 
     public abstract JSType getJSType();
@@ -55,6 +56,10 @@ public abstract class JSValue {
         return getJSType() == JSType.Array;
     }
 
+    public boolean isArrayBuffer() {
+        return getJSType() == JSType.ArrayBuffer;
+    }
+
     public JSNull asNull() {
         return (JSNull) this;
     }
@@ -79,6 +84,10 @@ public abstract class JSValue {
         return (JSArray) this;
     }
 
+    public JSArrayBuffer asArrayBuffer() {
+        return (JSArrayBuffer) this;
+    }
+
     @Override
     public String toString() {
         return String.valueOf(value());

doric-android/jse/src/main/java/com/github/pengfeizhou/jscore/JavaValue.java

@@ -25,10 +25,14 @@ public class JavaValue {
     protected static final int TYPE_STRING = 3;
     protected static final int TYPE_OBJECT = 4;
     protected static final int TYPE_ARRAY = 5;
+    protected static final int TYPE_ARRAYBUFFER = 6;
+
     protected JavaFunction[] functions = null;
     protected String[] functionNames = null;
     protected int type;
     protected String value = "";
+    protected byte[] data = null;
+    protected MemoryReleaser memoryReleaser = null;
 
     public JavaValue() {
         this.type = TYPE_NULL;
@@ -75,6 +79,17 @@ public class JavaValue {
         this.value = jsonArray.toString();
     }
 
+    public JavaValue(byte[] data) {
+        this.type = TYPE_ARRAYBUFFER;
+        this.data = data;
+    }
+
+    public JavaValue(byte[] data, MemoryReleaser memoryReleaser) {
+        this.type = TYPE_ARRAYBUFFER;
+        this.data = data;
+        this.memoryReleaser = memoryReleaser;
+    }
+
     public int getType() {
         return type;
     }
@@ -82,4 +97,24 @@ public class JavaValue {
     public String getValue() {
         return value;
     }
+
+    public byte[] getByteData() {
+        return data;
+    }
+
+    public interface MemoryReleaser {
+        /**
+         * Called when JS deallocated the arraybuffer
+         */
+        void deallocate(byte[] data);
+    }
+
+    /**
+     * Called by JNI
+     */
+    private void onDeallocated() {
+        if (this.memoryReleaser != null) {
+            this.memoryReleaser.deallocate(this.data);
+        }
+    }
 }