Moving LatencyInfo into a separate component.

ui/events/mojo/latency_info_struct_traits.cc

Index: ui/events/mojo/latency_info_struct_traits.cc
diff --git a/ui/events/mojo/latency_info_struct_traits.cc b/ui/events/mojo/latency_info_struct_traits.cc
deleted file mode 100644
index 32fc616a967aaae70a87bee42822e980cf8acefc..0000000000000000000000000000000000000000
--- a/ui/events/mojo/latency_info_struct_traits.cc
+++ /dev/null
@@ -1,300 +0,0 @@
-// 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/events/mojo/latency_info_struct_traits.h"
-
-#include "ipc/ipc_message_utils.h"
-
-namespace mojo {
-
-namespace {
-
-ui::mojom::LatencyComponentType UILatencyComponentTypeToMojo(
-    ui::LatencyComponentType type) {
-  switch (type) {
-    case ui::INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT;
-    case ui::LATENCY_BEGIN_SCROLL_LISTENER_UPDATE_MAIN_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          LATENCY_BEGIN_SCROLL_LISTENER_UPDATE_MAIN_COMPONENT;
-    case ui::INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT;
-    case ui::INPUT_EVENT_LATENCY_FIRST_SCROLL_UPDATE_ORIGINAL_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_FIRST_SCROLL_UPDATE_ORIGINAL_COMPONENT;
-    case ui::INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT;
-    case ui::INPUT_EVENT_LATENCY_UI_COMPONENT:
-      return ui::mojom::LatencyComponentType::INPUT_EVENT_LATENCY_UI_COMPONENT;
-    case ui::INPUT_EVENT_LATENCY_RENDERER_MAIN_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_RENDERER_MAIN_COMPONENT;
-    case ui::INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_MAIN_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_MAIN_COMPONENT;
-    case ui::INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_IMPL_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_IMPL_COMPONENT;
-    case ui::INPUT_EVENT_LATENCY_FORWARD_SCROLL_UPDATE_TO_MAIN_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_FORWARD_SCROLL_UPDATE_TO_MAIN_COMPONENT;
-    case ui::INPUT_EVENT_LATENCY_ACK_RWH_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_ACK_RWH_COMPONENT;
-    case ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT;
-    case ui::TAB_SHOW_COMPONENT:
-      return ui::mojom::LatencyComponentType::TAB_SHOW_COMPONENT;
-    case ui::INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT;
-    case ui::INPUT_EVENT_BROWSER_RECEIVED_RENDERER_SWAP_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_BROWSER_RECEIVED_RENDERER_SWAP_COMPONENT;
-    case ui::INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT;
-    case ui::INPUT_EVENT_LATENCY_GENERATE_SCROLL_UPDATE_FROM_MOUSE_WHEEL:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_GENERATE_SCROLL_UPDATE_FROM_MOUSE_WHEEL;
-    case ui::INPUT_EVENT_LATENCY_TERMINATED_NO_SWAP_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_TERMINATED_NO_SWAP_COMPONENT;
-    case ui::INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT;
-    case ui::INPUT_EVENT_LATENCY_TERMINATED_COMMIT_FAILED_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_TERMINATED_COMMIT_FAILED_COMPONENT;
-    case ui::INPUT_EVENT_LATENCY_TERMINATED_COMMIT_NO_UPDATE_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_TERMINATED_COMMIT_NO_UPDATE_COMPONENT;
-    case ui::INPUT_EVENT_LATENCY_TERMINATED_SWAP_FAILED_COMPONENT:
-      return ui::mojom::LatencyComponentType::
-          INPUT_EVENT_LATENCY_TERMINATED_SWAP_FAILED_COMPONENT;
-  }
-  NOTREACHED();
-  return ui::mojom::LatencyComponentType::LATENCY_COMPONENT_TYPE_LAST;
-}
-
-ui::LatencyComponentType MojoLatencyComponentTypeToUI(
-    ui::mojom::LatencyComponentType type) {
-  switch (type) {
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        LATENCY_BEGIN_SCROLL_LISTENER_UPDATE_MAIN_COMPONENT:
-      return ui::LATENCY_BEGIN_SCROLL_LISTENER_UPDATE_MAIN_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_LATENCY_FIRST_SCROLL_UPDATE_ORIGINAL_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_FIRST_SCROLL_UPDATE_ORIGINAL_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT;
-    case ui::mojom::LatencyComponentType::INPUT_EVENT_LATENCY_UI_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_UI_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_LATENCY_RENDERER_MAIN_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_RENDERER_MAIN_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_MAIN_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_MAIN_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_IMPL_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_IMPL_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_LATENCY_FORWARD_SCROLL_UPDATE_TO_MAIN_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_FORWARD_SCROLL_UPDATE_TO_MAIN_COMPONENT;
-    case ui::mojom::LatencyComponentType::INPUT_EVENT_LATENCY_ACK_RWH_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_ACK_RWH_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT:
-      return ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT;
-    case ui::mojom::LatencyComponentType::TAB_SHOW_COMPONENT:
-      return ui::TAB_SHOW_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_BROWSER_RECEIVED_RENDERER_SWAP_COMPONENT:
-      return ui::INPUT_EVENT_BROWSER_RECEIVED_RENDERER_SWAP_COMPONENT;
-    case ui::mojom::LatencyComponentType::INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT:
-      return ui::INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_LATENCY_GENERATE_SCROLL_UPDATE_FROM_MOUSE_WHEEL:
-      return ui::INPUT_EVENT_LATENCY_GENERATE_SCROLL_UPDATE_FROM_MOUSE_WHEEL;
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_LATENCY_TERMINATED_NO_SWAP_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_TERMINATED_NO_SWAP_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_LATENCY_TERMINATED_COMMIT_FAILED_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_TERMINATED_COMMIT_FAILED_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_LATENCY_TERMINATED_COMMIT_NO_UPDATE_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_TERMINATED_COMMIT_NO_UPDATE_COMPONENT;
-    case ui::mojom::LatencyComponentType::
-        INPUT_EVENT_LATENCY_TERMINATED_SWAP_FAILED_COMPONENT:
-      return ui::INPUT_EVENT_LATENCY_TERMINATED_SWAP_FAILED_COMPONENT;
-  }
-  NOTREACHED();
-  return ui::LATENCY_COMPONENT_TYPE_LAST;
-}
-
-}  // namespace
-
-// static
-int64_t StructTraits<ui::mojom::LatencyComponentDataView,
-                     ui::LatencyInfo::LatencyComponent>::
-    sequence_number(const ui::LatencyInfo::LatencyComponent& component) {
-  return component.sequence_number;
-}
-
-// static
-base::TimeTicks StructTraits<ui::mojom::LatencyComponentDataView,
-                             ui::LatencyInfo::LatencyComponent>::
-    event_time(const ui::LatencyInfo::LatencyComponent& component) {
-  return component.event_time;
-}
-
-// static
-uint32_t StructTraits<ui::mojom::LatencyComponentDataView,
-                      ui::LatencyInfo::LatencyComponent>::
-    event_count(const ui::LatencyInfo::LatencyComponent& component) {
-  return component.event_count;
-}
-
-// static
-base::TimeTicks StructTraits<ui::mojom::LatencyComponentDataView,
-                             ui::LatencyInfo::LatencyComponent>::
-    first_event_time(const ui::LatencyInfo::LatencyComponent& component) {
-  return component.first_event_time;
-}
-
-// static
-base::TimeTicks StructTraits<ui::mojom::LatencyComponentDataView,
-                             ui::LatencyInfo::LatencyComponent>::
-    last_event_time(const ui::LatencyInfo::LatencyComponent& component) {
-  return component.last_event_time;
-}
-
-// static
-bool StructTraits<ui::mojom::LatencyComponentDataView,
-                  ui::LatencyInfo::LatencyComponent>::
-    Read(ui::mojom::LatencyComponentDataView data,
-         ui::LatencyInfo::LatencyComponent* out) {
-  if (!data.ReadEventTime(&out->event_time))
-    return false;
-  if (!data.ReadFirstEventTime(&out->first_event_time))
-    return false;
-  if (!data.ReadLastEventTime(&out->last_event_time))
-    return false;
-  out->sequence_number = data.sequence_number();
-  out->event_count = data.event_count();
-  return true;
-}
-
-// static
-ui::mojom::LatencyComponentType
-StructTraits<ui::mojom::LatencyComponentIdDataView,
-             std::pair<ui::LatencyComponentType, int64_t>>::
-    type(const std::pair<ui::LatencyComponentType, int64_t>& id) {
-  return UILatencyComponentTypeToMojo(id.first);
-}
-
-// static
-int64_t StructTraits<ui::mojom::LatencyComponentIdDataView,
-                     std::pair<ui::LatencyComponentType, int64_t>>::
-    id(const std::pair<ui::LatencyComponentType, int64_t>& id) {
-  return id.second;
-}
-
-// static
-bool StructTraits<ui::mojom::LatencyComponentIdDataView,
-                  std::pair<ui::LatencyComponentType, int64_t>>::
-    Read(ui::mojom::LatencyComponentIdDataView data,
-         std::pair<ui::LatencyComponentType, int64_t>* out) {
-  out->first = MojoLatencyComponentTypeToUI(data.type());
-  out->second = data.id();
-  return true;
-}
-
-// static
-const std::string&
-StructTraits<ui::mojom::LatencyInfoDataView, ui::LatencyInfo>::trace_name(
-    const ui::LatencyInfo& info) {
-  return info.trace_name_;
-}
-
-const ui::LatencyInfo::LatencyMap&
-StructTraits<ui::mojom::LatencyInfoDataView,
-             ui::LatencyInfo>::latency_components(const ui::LatencyInfo& info) {
-  return info.latency_components();
-}
-InputCoordinateArray
-StructTraits<ui::mojom::LatencyInfoDataView,
-             ui::LatencyInfo>::input_coordinates(const ui::LatencyInfo& info) {
-  return {info.input_coordinates_size_, ui::LatencyInfo::kMaxInputCoordinates,
-          const_cast<gfx::PointF*>(info.input_coordinates_)};
-}
-
-int64_t StructTraits<ui::mojom::LatencyInfoDataView, ui::LatencyInfo>::trace_id(
-    const ui::LatencyInfo& info) {
-  return info.trace_id();
-}
-
-bool StructTraits<ui::mojom::LatencyInfoDataView, ui::LatencyInfo>::coalesced(
-    const ui::LatencyInfo& info) {
-  return info.coalesced();
-}
-
-bool StructTraits<ui::mojom::LatencyInfoDataView, ui::LatencyInfo>::terminated(
-    const ui::LatencyInfo& info) {
-  return info.terminated();
-}
-
-bool StructTraits<ui::mojom::LatencyInfoDataView, ui::LatencyInfo>::Read(
-    ui::mojom::LatencyInfoDataView data,
-    ui::LatencyInfo* out) {
-  if (!data.ReadTraceName(&out->trace_name_))
-    return false;
-
-  mojo::ArrayDataView<ui::mojom::LatencyComponentPairDataView> components;
-  data.GetLatencyComponentsDataView(&components);
-  for (uint32_t i = 0; i < components.size(); ++i) {
-    ui::mojom::LatencyComponentPairDataView component_pair;
-    components.GetDataView(i, &component_pair);
-    ui::LatencyInfo::LatencyMap::key_type key;
-    if (!component_pair.ReadKey(&key))
-      return false;
-    auto& value = out->latency_components_[key];
-    if (!component_pair.ReadValue(&value))
-      return false;
-  }
-
-  InputCoordinateArray input_coordinate_array = {
-      0, ui::LatencyInfo::kMaxInputCoordinates, out->input_coordinates_};
-  if (!data.ReadInputCoordinates(&input_coordinate_array))
-    return false;
-  // TODO(fsamuel): ui::LatencyInfo::input_coordinates_size_ should be a size_t.
-  out->input_coordinates_size_ =
-      static_cast<uint32_t>(input_coordinate_array.size);
-
-  out->trace_id_ = data.trace_id();
-  out->coalesced_ = data.coalesced();
-  out->terminated_ = data.terminated();
-  return true;
-}
-
-}  // namespace mojo