WIP - Control the lifetime of RenderThreadManager from Java.

android_webview/java/src/org/chromium/android_webview/browser/SharedRendererStateProxy.java

Index: android_webview/java/src/org/chromium/android_webview/browser/SharedRendererStateProxy.java
diff --git a/android_webview/java/src/org/chromium/android_webview/browser/SharedRendererStateProxy.java b/android_webview/java/src/org/chromium/android_webview/browser/SharedRendererStateProxy.java
new file mode 100644
index 0000000000000000000000000000000000000000..623db121d46148c3fb506bc41a2ecca6695fe649
--- /dev/null
+++ b/android_webview/java/src/org/chromium/android_webview/browser/SharedRendererStateProxy.java
@@ -0,0 +1,59 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.android_webview.browser;
+
+import org.chromium.base.annotations.JNINamespace;
+import org.chromium.content.common.CleanupReference;
+
+/**
+ */
+@JNINamespace("android_webview")
+public class SharedRendererStateProxy {

[boliu, 2016/04/01 17:39:28]

don't need to be public?

+    private static final class DestroyRunnable implements Runnable {
+        private final long mNativeSharedRendererStateProxy;
+
+        private DestroyRunnable(long nativeSharedRendererStateProxy) {
+            mNativeSharedRendererStateProxy = nativeSharedRendererStateProxy;
+        }
+        @Override
+        public void run() {
+            nativeDestroy(mNativeSharedRendererStateProxy);
+        }
+    }
+
+    private long mNativeSharedRendererStateProxy;
+    private CleanupReference mCleanupReference;
+
+    public SharedRendererStateProxy() {
+        mNativeSharedRendererStateProxy = nativeCreate();
+        mCleanupReference =
+                new CleanupReference(this, new DestroyRunnable(mNativeSharedRendererStateProxy));
+    }
+
+    public void destroy() {
+        if (mCleanupReference != null) {
+            mCleanupReference.cleanupNow();
+            mCleanupReference = null;
+        }
+    }
+
+    public void setClient(long nativeSharedRendererStateClient) {
+        nativeSetClient(mNativeSharedRendererStateProxy, nativeSharedRendererStateClient);
+    }
+
+    public void deleteHardwareRenderer() {
+        nativeDeleteHardwareRenderer(mNativeSharedRendererStateProxy);
+    }
+
+    public long getAwDrawGLViewContext() {
+        return nativeGetAwDrawGLViewContext(mNativeSharedRendererStateProxy);
+    }
+
+    private native void nativeSetClient(long nativeSharedRendererStateProxy, long nativeClient);
+    private native void nativeDeleteHardwareRenderer(long nativeSharedRendererStateProxy);
+    private native long nativeGetAwDrawGLViewContext(long nativeSharedRendererStateProxy);
+    private static native void nativeDestroy(long nativeSharedRendererStateProxy);
+    private static native long nativeCreate();
+}