Separate SwipeRefreshHandler and ContentViewCore

ui/android/overscroll_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 "ui/android/overscroll_refresh_handler.h"
+
+#include "base/android/jni_android.h"
+#include "jni/OverscrollRefreshHandler_jni.h"
+
+using base::android::AttachCurrentThread;
+
+namespace ui {
+
+OverscrollRefreshHandler::OverscrollRefreshHandler(
+    const base::android::JavaRef<jobject>& j_overscroll_refresh_handler) {
+  j_overscroll_refresh_handler_.Reset(AttachCurrentThread(),
+                                      j_overscroll_refresh_handler.obj());
+}
+
+OverscrollRefreshHandler::~OverscrollRefreshHandler() {}
+
+bool OverscrollRefreshHandler::PullStart() {
+  return Java_OverscrollRefreshHandler_start(AttachCurrentThread(),
+                                             j_overscroll_refresh_handler_);
+}
+
+void OverscrollRefreshHandler::PullUpdate(float delta) {
+  Java_OverscrollRefreshHandler_pull(AttachCurrentThread(),
+                                     j_overscroll_refresh_handler_, delta);
+}
+
+void OverscrollRefreshHandler::PullRelease(bool allow_refresh) {
+  Java_OverscrollRefreshHandler_release(
+      AttachCurrentThread(), j_overscroll_refresh_handler_, allow_refresh);
+}
+
+void OverscrollRefreshHandler::PullReset() {
+  Java_OverscrollRefreshHandler_reset(AttachCurrentThread(),
+                                      j_overscroll_refresh_handler_);
+}
+
+}  // namespace ui