Separate SwipeRefreshHandler and ContentViewCore

chrome/browser/android/swipe_refresh_handler.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 "chrome/browser/android/swipe_refresh_handler.h"
+
+#include "jni/SwipeRefreshHandler_jni.h"
+
+using base::android::AttachCurrentThread;
+using base::android::JavaParamRef;
+using base::android::JavaRef;
+using base::android::ScopedJavaLocalRef;
+
+SwipeRefreshHandler::SwipeRefreshHandler(JNIEnv* env,
+                                         const JavaRef<jobject>& obj)
+    : java_ref_(env, obj) {}
+
+bool SwipeRefreshHandler::PullStart() {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (!obj.is_null()) {
+    return Java_SwipeRefreshHandler_start(env, obj);
+  }
+  return false;
+}
+
+void SwipeRefreshHandler::PullUpdate(float delta) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (!obj.is_null()) {
+    Java_SwipeRefreshHandler_pull(env, obj, delta);
+  }
+}
+
+void SwipeRefreshHandler::PullRelease(bool allow_refresh) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (!obj.is_null()) {
+    Java_SwipeRefreshHandler_release(env, obj, allow_refresh);
+  }
+}
+
+void SwipeRefreshHandler::PullReset() {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (!obj.is_null()) {
+    Java_SwipeRefreshHandler_reset(env, obj);
+  }
+}
+
+static jlong Init(JNIEnv* env, const JavaParamRef<jobject>& obj) {
+  SwipeRefreshHandler* swipe_refresh_handler =
+      new SwipeRefreshHandler(env, obj);
+  return reinterpret_cast<intptr_t>(swipe_refresh_handler);
+}
+
+void SwipeRefreshHandler::Destroy(JNIEnv* env,
+                                  const JavaParamRef<jobject>& obj) {
+  delete this;
+}
+
+// static
+bool SwipeRefreshHandler::RegisterSwipeRefreshHandler(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}