WIP - Control the lifetime of RenderThreadManager from Java.

android_webview/native/shared_renderer_state_proxy.cc

Index: android_webview/native/shared_renderer_state_proxy.cc
diff --git a/android_webview/native/shared_renderer_state_proxy.cc b/android_webview/native/shared_renderer_state_proxy.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d788ea8c4afd87013374e8746dc7cc5245b8c8f6
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+++ b/android_webview/native/shared_renderer_state_proxy.cc
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+// 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.
+
+#include "android_webview/native/shared_renderer_state_proxy.h"
+
+#include "content/public/browser/browser_thread.h"
+#include "jni/SharedRendererStateProxy_jni.h"
+
+using content::BrowserThread;
+
+namespace android_webview {
+
+SharedRendererStateProxy::SharedRendererStateProxy()
+    : shared_renderer_state_(this, BrowserThread::GetMessageLoopProxyForThread(
+                                       BrowserThread::UI)) {}
+
+SharedRendererStateProxy::~SharedRendererStateProxy() {}
+
+void SharedRendererStateProxy::OnParentDrawConstraintsUpdated() {
+  if (client_) client_->OnParentDrawConstraintsUpdated();
+}
+
+bool SharedRendererStateProxy::RequestDrawGL(bool wait_for_completion) {
+  if (client_) return client_->RequestDrawGL(wait_for_completion);
+  return false;
+}
+
+void SharedRendererStateProxy::DetachFunctorFromView() {
+  if (client_) client_->DetachFunctorFromView();
+}
+
+void SharedRendererStateProxy::SetClient(
+    JNIEnv* env, const base::android::JavaParamRef<jobject>& obj,
+    jlong client) {
+  client_ = reinterpret_cast<SharedRendererStateClient*>(client);
+}
+
+void SharedRendererStateProxy::Destroy(
+    JNIEnv* env, const base::android::JavaParamRef<jobject>& obj) {
+  delete this;
+}
+
+void SharedRendererStateProxy::DeleteHardwareRenderer(
+    JNIEnv* env, const base::android::JavaParamRef<jobject>& obj) {
+  shared_renderer_state_.DeleteHardwareRendererOnUI();
+}
+
+jlong SharedRendererStateProxy::GetAwDrawGLViewContext(
+    JNIEnv* env, const base::android::JavaParamRef<jobject>& obj) {
+  return reinterpret_cast<intptr_t>(&shared_renderer_state_);
+}
+
+static jlong Create(JNIEnv* env, const JavaParamRef<jclass>&) {
+  return reinterpret_cast<intptr_t>(new SharedRendererStateProxy());
+}
+
+bool RegisterSharedRendererStateProxy(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+}  // namespace android_webview