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84 lines
3.5 KiB
Plaintext
84 lines
3.5 KiB
Plaintext
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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module ui.mojom;
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import "mojo/public/mojom/base/time.mojom";
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import "ui/gfx/geometry/mojo/geometry.mojom";
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enum LatencyComponentType {
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// ---------------------------BEGIN COMPONENT-------------------------------
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// BEGIN COMPONENT is when we show the latency begin in chrome://tracing.
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// Timestamp when the input event is sent from RenderWidgetHost to renderer.
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INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT,
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// In threaded scrolling, main thread scroll listener update is async to
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// scroll processing in impl thread. This is the timestamp when we consider
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// the main thread scroll listener update is begun.
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LATENCY_BEGIN_SCROLL_LISTENER_UPDATE_MAIN_COMPONENT,
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// The BeginFrame::frame_time of various frame sources.
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LATENCY_BEGIN_FRAME_RENDERER_MAIN_COMPONENT,
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LATENCY_BEGIN_FRAME_RENDERER_INVALIDATE_COMPONENT,
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LATENCY_BEGIN_FRAME_RENDERER_COMPOSITOR_COMPONENT,
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LATENCY_BEGIN_FRAME_UI_MAIN_COMPONENT,
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LATENCY_BEGIN_FRAME_UI_COMPOSITOR_COMPONENT,
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LATENCY_BEGIN_FRAME_DISPLAY_COMPOSITOR_COMPONENT,
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// ---------------------------NORMAL COMPONENT-------------------------------
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// The original timestamp of the touch event which converts to scroll update.
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INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT,
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// The original timestamp of the touch event which converts to the *first*
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// scroll update in a scroll gesture sequence.
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INPUT_EVENT_LATENCY_FIRST_SCROLL_UPDATE_ORIGINAL_COMPONENT,
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// Original timestamp for input event (e.g. timestamp from kernel).
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INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT,
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// Timestamp when the UI event is created.
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INPUT_EVENT_LATENCY_UI_COMPONENT,
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// Timestamp when the event is dispatched on the main thread of the renderer.
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INPUT_EVENT_LATENCY_RENDERER_MAIN_COMPONENT,
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// This is special component indicating there is rendering scheduled for
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// the event associated with this LatencyInfo on main thread.
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INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_MAIN_COMPONENT,
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// This is special component indicating there is rendering scheduled for
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// the event associated with this LatencyInfo on impl thread.
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INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_IMPL_COMPONENT,
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// Timestamp when a scroll update is forwarded to the main thread.
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INPUT_EVENT_LATENCY_FORWARD_SCROLL_UPDATE_TO_MAIN_COMPONENT,
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// Timestamp when the event's ack is received by the RWH.
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INPUT_EVENT_LATENCY_ACK_RWH_COMPONENT,
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// Timestamp when the frame is swapped in renderer.
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INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT,
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// Timestamp of when the display compositor receives a compositor frame.
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// Display compositor can be either in the browser process or in Mus.
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DISPLAY_COMPOSITOR_RECEIVED_FRAME_COMPONENT,
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// Timestamp of when the gpu service began swap buffers, unlike
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// INPUT_EVENT_LATENCY_FRAME_SWAP_COMPONENT which measures after.
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INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT,
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// Timestamp when the frame is swapped (i.e. when the rendering caused by
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// input event actually takes effect).
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INPUT_EVENT_LATENCY_FRAME_SWAP_COMPONENT,
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};
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enum SourceEventType {
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UNKNOWN,
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WHEEL,
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MOUSE,
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TOUCH,
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INERTIAL,
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KEY_PRESS,
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TOUCHPAD,
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FRAME,
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OTHER,
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};
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// See ui/latency/latency_info.h
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struct LatencyInfo {
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string trace_name;
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map<LatencyComponentType, mojo_base.mojom.TimeTicks> latency_components;
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int64 trace_id;
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int64 ukm_source_id;
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bool coalesced;
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bool began;
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bool terminated;
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SourceEventType source_event_type;
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};
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