Java versions of BlimpContents[,Observer] and BlimpNavigationController

blimp/client/core/android/blimp_contents_observer_proxy.cc

+// 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 "blimp/client/core/android/blimp_contents_observer_proxy.h"
+
+#include "base/android/jni_android.h"
+#include "base/android/jni_string.h"
+#include "base/android/scoped_java_ref.h"
+#include "blimp/client/core/android/blimp_contents_impl_android.h"
+#include "jni/BlimpContentsObserverProxy_jni.h"
+
+namespace blimp {
+namespace client {
+
+jlong Init(JNIEnv* env,
+           const base::android::JavaParamRef<jobject>& jobj,
+           const base::android::JavaParamRef<jobject>& jblimp_contents_impl) {
+  BlimpContentsImplAndroid* blimp_contents_impl_android =
+      BlimpContentsImplAndroid::FromJavaObject(env, jblimp_contents_impl.obj());
+  CHECK(blimp_contents_impl_android);
+
+  return reinterpret_cast<intptr_t>(
+      new BlimpContentsObserverProxy(env, jobj, blimp_contents_impl_android));
+}
+
+// static
+bool BlimpContentsObserverProxy::RegisterJni(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+BlimpContentsObserverProxy::BlimpContentsObserverProxy(
+    JNIEnv* env,
+    jobject obj,
+    BlimpContentsImplAndroid* blimp_contents_impl_android)
+    : blimp_contents_impl_android_(blimp_contents_impl_android) {
+  java_obj_.Reset(env, obj);
+  blimp_contents_impl_android_->blimp_contents_impl()->AddObserver(this);
+}
+
+BlimpContentsObserverProxy::~BlimpContentsObserverProxy() {}
+
+void BlimpContentsObserverProxy::Destroy(
+    JNIEnv* env,
+    const base::android::JavaParamRef<jobject>& jobj) {
+  blimp_contents_impl_android_->blimp_contents_impl()->RemoveObserver(this);
+  delete this;
+}
+
+void BlimpContentsObserverProxy::OnURLUpdated(const GURL& url) {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  base::android::ScopedJavaLocalRef<jobject> obj(java_obj_);
+  base::android::ScopedJavaLocalRef<jstring> jstring_url(
+      base::android::ConvertUTF8ToJavaString(env, url.spec()));
+
+  Java_BlimpContentsObserverProxy_onUrlUpdated(env, obj.obj(),
+                                               jstring_url.obj());
+}
+
+}  // namespace client
+}  // namespace blimp