VR: Disable Overscroll Glow in VrShell

content/browser/renderer_host/render_widget_host_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/renderer_host/render_widget_host_view_android.h"
 
 #include <android/bitmap.h>
 
 #include <utility>
 
@@ skipping 1486 matching lines @@
   host_->Send(new ViewMsg_BeginFrame(
       host_->GetRoutingID(),
       cc::BeginFrameArgs::Create(BEGINFRAME_FROM_HERE, frame_time, deadline,
                                  vsync_period, cc::BeginFrameArgs::NORMAL)));
   if (sync_compositor_)
     sync_compositor_->DidSendBeginFrame(view_.GetWindowAndroid());
 }
 
 bool RenderWidgetHostViewAndroid::Animate(base::TimeTicks frame_time) {
   bool needs_animate = false;
-  if (overscroll_controller_) {
+  if (overscroll_controller_ && is_showing_overscroll_glow_) {
     needs_animate |= overscroll_controller_->Animate(
         frame_time, content_view_core_->GetViewAndroid()->GetLayer());
   }
   if (selection_controller_)
     needs_animate |= selection_controller_->Animate(frame_time);
   return needs_animate;
 }
 
 void RenderWidgetHostViewAndroid::RequestDisallowInterceptTouchEvent() {
   if (content_view_core_)
@@ skipping 194 matching lines @@
 
 void RenderWidgetHostViewAndroid::SetTextHandlesTemporarilyHidden(bool hidden) {
   if (selection_controller_)
     selection_controller_->SetTemporarilyHidden(hidden);
 }
 
 SkColor RenderWidgetHostViewAndroid::GetCachedBackgroundColor() const {
   return cached_background_color_;
 }
 
+void RenderWidgetHostViewAndroid::SetShowingOverscrollGlow(bool showing_glow) {
+  is_showing_overscroll_glow_ = showing_glow;
+}
+
 void RenderWidgetHostViewAndroid::DidOverscroll(
     const ui::DidOverscrollParams& params) {
   if (sync_compositor_)
     sync_compositor_->DidOverscroll(params);
 
   if (!content_view_core_ || !is_showing_)
     return;
 
   if (overscroll_controller_)
     overscroll_controller_->OnOverscrolled(params);
@@ skipping 64 matching lines @@
   if (resize)
     WasResized();
 
   if (!selection_controller_)
     selection_controller_ = CreateSelectionController(this, content_view_core_);
 
   if (!overscroll_controller_ &&
       view_.GetWindowAndroid()->GetCompositor()) {
     overscroll_controller_ = CreateOverscrollController(
         content_view_core_, ui::GetScaleFactorForNativeView(GetNativeView()));
+    is_showing_overscroll_glow_ = true;
   }
 }
 
 void RenderWidgetHostViewAndroid::RunAckCallbacks() {
   while (!ack_callbacks_.empty()) {
     ack_callbacks_.front().Run();
     ack_callbacks_.pop();
   }
 }
 
@@ skipping 47 matching lines @@
 void RenderWidgetHostViewAndroid::OnDetachedFromWindow() {
   StopObservingRootWindow();
   OnDetachCompositor();
 }
 
 void RenderWidgetHostViewAndroid::OnAttachCompositor() {
   DCHECK(content_view_core_);
   if (!overscroll_controller_)
     overscroll_controller_ = CreateOverscrollController(
         content_view_core_, ui::GetScaleFactorForNativeView(GetNativeView()));
+  is_showing_overscroll_glow_ = true;
   ui::WindowAndroidCompositor* compositor =
       view_.GetWindowAndroid()->GetCompositor();
   delegated_frame_host_->RegisterFrameSinkHierarchy(
       compositor->GetFrameSinkId());
 }
 
 void RenderWidgetHostViewAndroid::OnDetachCompositor() {
   DCHECK(content_view_core_);
   DCHECK(using_browser_compositor_);
   RunAckCallbacks();
@@ skipping 94 matching lines @@
     case ui::MotionEvent::ACTION_UP:
     case ui::MotionEvent::ACTION_POINTER_UP:
       UMA_HISTOGRAM_CUSTOM_COUNTS("Event.Latency.OS.TOUCH_RELEASED",
                                   delta.InMicroseconds(), 1, 1000000, 50);
     default:
       return;
   }
 }
 
 }  // namespace content