cc/ipc/compositor_frame_metadata_struct_traits.h

// 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.

#ifndef CC_IPC_COMPOSITOR_FRAME_METADATA_STRUCT_TRAITS_H_
#define CC_IPC_COMPOSITOR_FRAME_METADATA_STRUCT_TRAITS_H_

#include "cc/ipc/compositor_frame_metadata.mojom-shared.h"
#include "cc/output/compositor_frame_metadata.h"

namespace mojo {

template <>
struct StructTraits<cc::mojom::CompositorFrameMetadataDataView,
                    cc::CompositorFrameMetadata> {
  static float device_scale_factor(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.device_scale_factor;
  }

  static gfx::Vector2dF root_scroll_offset(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.root_scroll_offset;
  }

  static float page_scale_factor(const cc::CompositorFrameMetadata& metadata) {
    return metadata.page_scale_factor;
  }

  static gfx::SizeF scrollable_viewport_size(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.scrollable_viewport_size;
  }

  static gfx::SizeF root_layer_size(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.root_layer_size;
  }

  static float min_page_scale_factor(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.min_page_scale_factor;
  }

  static float max_page_scale_factor(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.max_page_scale_factor;
  }

  static bool root_overflow_x_hidden(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.root_overflow_x_hidden;
  }

  static bool root_overflow_y_hidden(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.root_overflow_y_hidden;
  }

  static bool may_contain_video(const cc::CompositorFrameMetadata& metadata) {
    return metadata.may_contain_video;
  }

  static bool is_resourceless_software_draw_with_scroll_or_animation(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.is_resourceless_software_draw_with_scroll_or_animation;
  }

  static float top_controls_height(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.top_controls_height;
  }

  static float top_controls_shown_ratio(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.top_controls_shown_ratio;
  }

  static float bottom_controls_height(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.bottom_controls_height;
  }

  static float bottom_controls_shown_ratio(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.bottom_controls_shown_ratio;
  }

  static uint32_t root_background_color(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.root_background_color;
  }

  static const cc::Selection<gfx::SelectionBound>& selection(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.selection;
  }

  static const std::vector<ui::LatencyInfo>& latency_info(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.latency_info;
  }

  static const std::vector<cc::SurfaceId>& referenced_surfaces(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.referenced_surfaces;
  }

  static bool can_activate_before_dependencies(
      const cc::CompositorFrameMetadata& metadata) {
    return metadata.can_activate_before_dependencies;
  }

  static bool Read(cc::mojom::CompositorFrameMetadataDataView data,
                   cc::CompositorFrameMetadata* out);
};

}  // namespace mojo

#endif  // CC_IPC_COMPOSITOR_FRAME_METADATA_STRUCT_TRAITS_H_