Separate SwipeRefreshHandler and ContentViewCore

content/browser/web_contents/web_contents_view_android.cc

 // Copyright (c) 2012 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 "content/browser/web_contents/web_contents_view_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/logging.h"
 #include "cc/layers/layer.h"
 #include "content/browser/android/content_view_core_impl.h"
 #include "content/browser/frame_host/interstitial_page_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_android.h"
 #include "content/browser/renderer_host/render_view_host_factory.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/common/drop_data.h"
+#include "ui/android/overscroll_refresh_handler.h"
 #include "ui/display/screen.h"
 #include "ui/gfx/android/device_display_info.h"
 #include "ui/gfx/android/java_bitmap.h"
 #include "ui/gfx/image/image_skia.h"
 
 using base::android::AttachCurrentThread;
 using base::android::ConvertUTF16ToJavaString;
 using base::android::JavaRef;
 using base::android::ScopedJavaLocalRef;
 
@@ skipping 74 matching lines @@
         web_contents_->GetInterstitialPage()
             ->GetMainFrame()
             ->GetRenderViewHost()
             ->GetWidget()
             ->GetView());
     if (rwhv)
       rwhv->SetContentViewCore(content_view_core_);
   }
 }
 
+void WebContentsViewAndroid::SetOverscrollRefreshHandler(
+    std::unique_ptr<ui::OverscrollRefreshHandler> overscroll_refresh_handler) {
+  overscroll_refresh_handler_ = std::move(overscroll_refresh_handler);
+  RenderWidgetHostViewAndroid* rwhv = static_cast<RenderWidgetHostViewAndroid*>(
+      web_contents_->GetRenderWidgetHostView());
+  if (rwhv)
+    rwhv->OnOverscrollRefreshHandlerAvailable();
+
+  if (web_contents_->ShowingInterstitialPage()) {
+    rwhv = static_cast<RenderWidgetHostViewAndroid*>(
+        web_contents_->GetInterstitialPage()
+            ->GetMainFrame()
+            ->GetRenderViewHost()
+            ->GetWidget()
+            ->GetView());
+    if (rwhv)
+      rwhv->OnOverscrollRefreshHandlerAvailable();
+  }
+}
+
+ui::OverscrollRefreshHandler*
+WebContentsViewAndroid::GetOverscrollRefreshHandler() const {
+  return overscroll_refresh_handler_.get();
+}
+
 gfx::NativeView WebContentsViewAndroid::GetNativeView() const {
   return const_cast<gfx::NativeView>(&view_);
 }
 
 gfx::NativeView WebContentsViewAndroid::GetContentNativeView() const {
   RenderWidgetHostView* rwhv = web_contents_->GetRenderWidgetHostView();
   if (rwhv)
     return rwhv->GetNativeView();
 
   // TODO(sievers): This should return null.
@@ skipping 240 matching lines @@
 // This is called when we the renderer asks us to take focus back (i.e., it has
 // iterated past the last focusable element on the page).
 void WebContentsViewAndroid::TakeFocus(bool reverse) {
   if (web_contents_->GetDelegate() &&
       web_contents_->GetDelegate()->TakeFocus(web_contents_, reverse))
     return;
   web_contents_->GetRenderWidgetHostView()->Focus();
 }
 
 } // namespace content