Log First User Interaction in Page Load Metrics

content/browser/renderer_host/render_widget_host_impl.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_impl.h"
 
 #include <math.h>
 
 #include <set>
 #include <utility>
@@ skipping 209 matching lines @@
       g_routing_id_widget_map.Get().insert(std::make_pair(
           RenderWidgetHostID(process->GetID(), routing_id_), this));
   CHECK(result.second) << "Inserting a duplicate item!";
   process_->AddRoute(routing_id_, this);
 
   // If we're initially visible, tell the process host that we're alive.
   // Otherwise we'll notify the process host when we are first shown.
   if (!hidden)
     process_->WidgetRestored();
 
-  latency_tracker_.Initialize(routing_id_, GetProcess()->GetID());
+  latency_tracker_.reset(new RenderWidgetHostLatencyTracker());
+
+  latency_tracker_->Initialize(routing_id_, GetProcess()->GetID());
 
   input_router_.reset(new InputRouterImpl(
       process_, this, this, routing_id_, GetInputRouterConfigForPlatform()));
 
   touch_emulator_.reset();
 
   if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kDisableHangMonitor)) {
     hang_monitor_timeout_.reset(new TimeoutMonitor(
         base::Bind(&RenderWidgetHostImpl::RendererIsUnresponsive,
@@ skipping 717 matching lines @@
       return;
   }
 
   if (ShouldDropInputEvents())
     return;
 
   if (touch_emulator_ && touch_emulator_->HandleMouseEvent(mouse_event))
     return;
 
   MouseEventWithLatencyInfo mouse_with_latency(mouse_event, ui_latency);
-  latency_tracker_.OnInputEvent(mouse_event, &mouse_with_latency.latency);
+  latency_tracker_->OnInputEvent(mouse_event, &mouse_with_latency.latency);
   input_router_->SendMouseEvent(mouse_with_latency);
 }
 
 void RenderWidgetHostImpl::ForwardWheelEvent(
     const WebMouseWheelEvent& wheel_event) {
   ForwardWheelEventWithLatencyInfo(wheel_event, ui::LatencyInfo());
 }
 
 void RenderWidgetHostImpl::ForwardWheelEventWithLatencyInfo(
       const blink::WebMouseWheelEvent& wheel_event,
       const ui::LatencyInfo& ui_latency) {
   TRACE_EVENT2("input", "RenderWidgetHostImpl::ForwardWheelEvent",
                "dx", wheel_event.deltaX, "dy", wheel_event.deltaY);
 
   if (ShouldDropInputEvents())
     return;
 
   if (touch_emulator_ && touch_emulator_->HandleMouseWheelEvent(wheel_event))
     return;
 
   MouseWheelEventWithLatencyInfo wheel_with_latency(wheel_event, ui_latency);
-  latency_tracker_.OnInputEvent(wheel_event, &wheel_with_latency.latency);
+  latency_tracker_->OnInputEvent(wheel_event, &wheel_with_latency.latency);
   input_router_->SendWheelEvent(wheel_with_latency);
 }
 
 void RenderWidgetHostImpl::ForwardEmulatedGestureEvent(
     const blink::WebGestureEvent& gesture_event) {
   ForwardGestureEvent(gesture_event);
 }
 
 void RenderWidgetHostImpl::ForwardGestureEvent(
     const blink::WebGestureEvent& gesture_event) {
@@ skipping 35 matching lines @@
   if (scroll_update_needs_wrapping) {
     ForwardGestureEventWithLatencyInfo(
         CreateScrollBeginForWrapping(gesture_event), ui::LatencyInfo());
   }
 
   // Delegate must be non-null, due to |ShouldDropInputEvents()| test.
   if (delegate_->PreHandleGestureEvent(gesture_event))
     return;
 
   GestureEventWithLatencyInfo gesture_with_latency(gesture_event, ui_latency);
-  latency_tracker_.OnInputEvent(gesture_event, &gesture_with_latency.latency);
+  latency_tracker_->OnInputEvent(gesture_event, &gesture_with_latency.latency);
   input_router_->SendGestureEvent(gesture_with_latency);
 
   if (scroll_update_needs_wrapping) {
     ForwardGestureEventWithLatencyInfo(
         CreateScrollEndForWrapping(gesture_event), ui::LatencyInfo());
   }
 }
 
 void RenderWidgetHostImpl::ForwardEmulatedTouchEvent(
       const blink::WebTouchEvent& touch_event) {
   TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardEmulatedTouchEvent");
 
   TouchEventWithLatencyInfo touch_with_latency(touch_event);
-  latency_tracker_.OnInputEvent(touch_event, &touch_with_latency.latency);
+  latency_tracker_->OnInputEvent(touch_event, &touch_with_latency.latency);
   input_router_->SendTouchEvent(touch_with_latency);
 }
 
 void RenderWidgetHostImpl::ForwardTouchEventWithLatencyInfo(
       const blink::WebTouchEvent& touch_event,
       const ui::LatencyInfo& ui_latency) {
   TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardTouchEvent");
 
   // Always forward TouchEvents for touch stream consistency. They will be
   // ignored if appropriate in FilterInputEvent().
 
   TouchEventWithLatencyInfo touch_with_latency(touch_event, ui_latency);
   if (touch_emulator_ &&
       touch_emulator_->HandleTouchEvent(touch_with_latency.event)) {
     if (view_) {
       view_->ProcessAckedTouchEvent(
           touch_with_latency, INPUT_EVENT_ACK_STATE_CONSUMED);
     }
     return;
   }
 
-  latency_tracker_.OnInputEvent(touch_event, &touch_with_latency.latency);
+  latency_tracker_->OnInputEvent(touch_event, &touch_with_latency.latency);
   input_router_->SendTouchEvent(touch_with_latency);
 }
 
 void RenderWidgetHostImpl::ForwardKeyboardEvent(
     const NativeWebKeyboardEvent& key_event) {
   TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardKeyboardEvent");
   if (owner_delegate_ &&
       !owner_delegate_->MayRenderWidgetForwardKeyboardEvent(key_event)) {
     return;
   }
@@ skipping 48 matching lines @@
 
     if (key_event.type == WebKeyboardEvent::RawKeyDown)
       suppress_next_char_events_ = false;
   }
 
   if (touch_emulator_ && touch_emulator_->HandleKeyboardEvent(key_event))
     return;
 
   NativeWebKeyboardEventWithLatencyInfo key_event_with_latency(key_event);
   key_event_with_latency.event.isBrowserShortcut = is_shortcut;
-  latency_tracker_.OnInputEvent(key_event, &key_event_with_latency.latency);
+  latency_tracker_->OnInputEvent(key_event, &key_event_with_latency.latency);
   input_router_->SendKeyboardEvent(key_event_with_latency);
 }
 
 void RenderWidgetHostImpl::QueueSyntheticGesture(
     std::unique_ptr<SyntheticGesture> synthetic_gesture,
     const base::Callback<void(SyntheticGesture::Result)>& on_complete) {
   if (!synthetic_gesture_controller_ && view_) {
     synthetic_gesture_controller_.reset(
         new SyntheticGestureController(view_->CreateSyntheticGestureTarget()));
   }
@@ skipping 12 matching lines @@
 void RenderWidgetHostImpl::ShowContextMenuAtPoint(const gfx::Point& point) {
   Send(new ViewMsg_ShowContextMenu(
       GetRoutingID(), ui::MENU_SOURCE_MOUSE, point));
 }
 
 void RenderWidgetHostImpl::SendCursorVisibilityState(bool is_visible) {
   Send(new InputMsg_CursorVisibilityChange(GetRoutingID(), is_visible));
 }
 
 int64_t RenderWidgetHostImpl::GetLatencyComponentId() const {
-  return latency_tracker_.latency_component_id();
+  return latency_tracker_->latency_component_id();
 }
 
 // static
 void RenderWidgetHostImpl::DisableResizeAckCheckForTesting() {
   g_check_for_pending_resize_ack = false;
 }
 
 void RenderWidgetHostImpl::AddKeyPressEventCallback(
     const KeyPressEventCallback& callback) {
   key_press_event_callbacks_.push_back(callback);
@@ skipping 26 matching lines @@
 }
 
 void RenderWidgetHostImpl::GetWebScreenInfo(blink::WebScreenInfo* result) {
   TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::GetWebScreenInfo");
   if (view_)
     view_->GetScreenInfo(result);
   else
     RenderWidgetHostViewBase::GetDefaultScreenInfo(result);
   // TODO(sievers): find a way to make this done another way so the method
   // can be const.
-  latency_tracker_.set_device_scale_factor(result->deviceScaleFactor);
+  latency_tracker_->set_device_scale_factor(result->deviceScaleFactor);
   if (IsUseZoomForDSFEnabled())
     input_router_->SetDeviceScaleFactor(result->deviceScaleFactor);
 }
 
 bool RenderWidgetHostImpl::GetScreenColorProfile(
     std::vector<char>* color_profile) {
   DCHECK(color_profile->empty());
   if (view_)
     return view_->GetScreenColorProfile(color_profile);
   return false;
@@ skipping 312 matching lines @@
   uint32_t output_surface_id = base::get<0>(param);
   base::get<1>(param).AssignTo(frame.get());
   std::vector<IPC::Message> messages_to_deliver_with_frame;
   messages_to_deliver_with_frame.swap(base::get<2>(param));
 
   if (!ui::LatencyInfo::Verify(frame->metadata.latency_info,
                                "RenderWidgetHostImpl::OnSwapCompositorFrame")) {
     std::vector<ui::LatencyInfo>().swap(frame->metadata.latency_info);
   }
 
-  latency_tracker_.OnSwapCompositorFrame(&frame->metadata.latency_info);
+  latency_tracker_->OnSwapCompositorFrame(&frame->metadata.latency_info);
 
   bool is_mobile_optimized = IsMobileOptimizedFrame(frame->metadata);
   input_router_->NotifySiteIsMobileOptimized(is_mobile_optimized);
   if (touch_emulator_)
     touch_emulator_->SetDoubleTapSupportForPageEnabled(!is_mobile_optimized);
 
   if (view_) {
     view_->OnSwapCompositorFrame(output_surface_id, std::move(frame));
     view_->DidReceiveRendererFrame();
   } else {
@@ skipping 299 matching lines @@
 }
 
 void RenderWidgetHostImpl::DidStopFlinging() {
   if (view_)
     view_->DidStopFlinging();
 }
 
 void RenderWidgetHostImpl::OnKeyboardEventAck(
       const NativeWebKeyboardEventWithLatencyInfo& event,
       InputEventAckState ack_result) {
-  latency_tracker_.OnInputEventAck(event.event, &event.latency);
+  latency_tracker_->OnInputEventAck(event.event, &event.latency);
 
   // We only send unprocessed key event upwards if we are not hidden,
   // because the user has moved away from us and no longer expect any effect
   // of this key event.
   const bool processed = (INPUT_EVENT_ACK_STATE_CONSUMED == ack_result);
   if (delegate_ && !processed && !is_hidden() && !event.event.skip_in_browser) {
     delegate_->HandleKeyboardEvent(event.event);
 
     // WARNING: This RenderWidgetHostImpl can be deallocated at this point
     // (i.e.  in the case of Ctrl+W, where the call to
     // HandleKeyboardEvent destroys this RenderWidgetHostImpl).
   }
 }
 
 void RenderWidgetHostImpl::OnMouseEventAck(
     const MouseEventWithLatencyInfo& mouse_event,
     InputEventAckState ack_result) {
-  latency_tracker_.OnInputEventAck(mouse_event.event, &mouse_event.latency);
+  latency_tracker_->OnInputEventAck(mouse_event.event, &mouse_event.latency);
 }
 
 void RenderWidgetHostImpl::OnWheelEventAck(
     const MouseWheelEventWithLatencyInfo& wheel_event,
     InputEventAckState ack_result) {
-  latency_tracker_.OnInputEventAck(wheel_event.event, &wheel_event.latency);
+  latency_tracker_->OnInputEventAck(wheel_event.event, &wheel_event.latency);
 
   if (!is_hidden() && view_) {
     if (ack_result != INPUT_EVENT_ACK_STATE_CONSUMED &&
         delegate_ && delegate_->HandleWheelEvent(wheel_event.event)) {
       ack_result = INPUT_EVENT_ACK_STATE_CONSUMED;
     }
     view_->WheelEventAck(wheel_event.event, ack_result);
   }
 }
 
 void RenderWidgetHostImpl::OnGestureEventAck(
     const GestureEventWithLatencyInfo& event,
     InputEventAckState ack_result) {
-  latency_tracker_.OnInputEventAck(event.event, &event.latency);
+  latency_tracker_->OnInputEventAck(event.event, &event.latency);
 
   if (view_)
     view_->GestureEventAck(event.event, ack_result);
 }
 
 void RenderWidgetHostImpl::OnTouchEventAck(
     const TouchEventWithLatencyInfo& event,
     InputEventAckState ack_result) {
-  latency_tracker_.OnInputEventAck(event.event, &event.latency);
+  latency_tracker_->OnInputEventAck(event.event, &event.latency);
 
   if (touch_emulator_ &&
       touch_emulator_->HandleTouchEventAck(event.event, ack_result)) {
     return;
   }
 
   if (view_)
     view_->ProcessAckedTouchEvent(event, ack_result);
 }
 
@@ skipping 118 matching lines @@
         FROM_HERE,
         base::Bind(&RenderWidgetHostImpl::WindowSnapshotReachedScreen,
                    weak_factory_.GetWeakPtr(),
                    sequence_number),
         base::TimeDelta::FromSecondsD(1. / 6));
 #else
     WindowSnapshotReachedScreen(sequence_number);
 #endif
   }
 
-  latency_tracker_.OnFrameSwapped(latency_info);
+  latency_tracker_->OnFrameSwapped(latency_info);
 }
 
 void RenderWidgetHostImpl::DidReceiveRendererFrame() {
   view_->DidReceiveRendererFrame();
 }
 
 void RenderWidgetHostImpl::WindowSnapshotReachedScreen(int snapshot_id) {
   DCHECK(base::MessageLoopForUI::IsCurrent());
 
   gfx::Rect view_bounds = GetView()->GetViewBounds();
@@ skipping 70 matching lines @@
   return delegate_ ? delegate_->GetRootBrowserAccessibilityManager() : NULL;
 }
 
 BrowserAccessibilityManager*
     RenderWidgetHostImpl::GetOrCreateRootBrowserAccessibilityManager() {
   return delegate_ ?
       delegate_->GetOrCreateRootBrowserAccessibilityManager() : NULL;
 }
 
 }  // namespace content