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// Copyright (C) 2019 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use size file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import m from 'mithril';
import {Time} from '../base/time';
import {TRACK_SHELL_WIDTH} from './css_constants';
import {globals} from './globals';
import {
getMaxMajorTicks,
TickGenerator,
TickType,
timeScaleForVisibleWindow,
} from './gridline_helper';
import {PanelSize} from './panel';
import {Panel} from './panel_container';
// This is used to display the summary of search results.
export class TickmarkPanel implements Panel {
readonly kind = 'panel';
readonly selectable = false;
readonly trackKey = undefined;
constructor(readonly key: string) {}
render(): m.Children {
return m('.tickbar');
}
renderCanvas(ctx: CanvasRenderingContext2D, size: PanelSize) {
const {visibleTimeScale} = globals.timeline;
ctx.fillStyle = '#999';
ctx.fillRect(TRACK_SHELL_WIDTH - 2, 0, 2, size.height);
ctx.save();
ctx.beginPath();
ctx.rect(TRACK_SHELL_WIDTH, 0, size.width - TRACK_SHELL_WIDTH, size.height);
ctx.clip();
const visibleSpan = globals.timeline.visibleTimeSpan;
if (size.width > TRACK_SHELL_WIDTH && visibleSpan.duration > 0n) {
const maxMajorTicks = getMaxMajorTicks(size.width - TRACK_SHELL_WIDTH);
const map = timeScaleForVisibleWindow(TRACK_SHELL_WIDTH, size.width);
const offset = globals.timestampOffset();
const tickGen = new TickGenerator(visibleSpan, maxMajorTicks, offset);
for (const {type, time} of tickGen) {
const px = Math.floor(map.timeToPx(time));
if (type === TickType.MAJOR) {
ctx.fillRect(px, 0, 1, size.height);
}
}
}
const data = globals.searchSummary;
for (let i = 0; i < data.tsStarts.length; i++) {
const tStart = Time.fromRaw(data.tsStarts[i]);
const tEnd = Time.fromRaw(data.tsEnds[i]);
if (!visibleSpan.intersects(tStart, tEnd)) {
continue;
}
const rectStart =
Math.max(visibleTimeScale.timeToPx(tStart), 0) + TRACK_SHELL_WIDTH;
const rectEnd = visibleTimeScale.timeToPx(tEnd) + TRACK_SHELL_WIDTH;
ctx.fillStyle = '#ffe263';
ctx.fillRect(
Math.floor(rectStart),
0,
Math.ceil(rectEnd - rectStart),
size.height,
);
}
const index = globals.state.searchIndex;
if (index !== -1 && index < globals.currentSearchResults.tsStarts.length) {
const start = globals.currentSearchResults.tsStarts[index];
const triangleStart =
Math.max(visibleTimeScale.timeToPx(Time.fromRaw(start)), 0) +
TRACK_SHELL_WIDTH;
ctx.fillStyle = '#000';
ctx.beginPath();
ctx.moveTo(triangleStart, size.height);
ctx.lineTo(triangleStart - 3, 0);
ctx.lineTo(triangleStart + 3, 0);
ctx.lineTo(triangleStart, size.height);
ctx.fill();
ctx.closePath();
}
ctx.restore();
}
}
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