edde746
7d35132509
Use GappedTrackShape (no stop indicator) globally. Timeline/volume sliders get local overrides for thinner track, zero padding, and no overlay. Chapter markers rendered as track gaps. Live TV timeline matches style. Timeline thumb hidden when unfocused in dpad mode.
85 lines
3.0 KiB
Dart
85 lines
3.0 KiB
Dart
import 'package:flutter/material.dart';
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import '../../../models/plex_media_info.dart';
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import '../../../mpv/models.dart';
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/// Custom painter that draws a segmented background track (split at chapter
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/// boundaries) and buffered range bars on the video timeline slider.
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class BufferRangePainter extends CustomPainter {
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final List<BufferRange> ranges;
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final Duration duration;
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final List<PlexChapter> chapters;
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BufferRangePainter({required this.ranges, required this.duration, this.chapters = const []});
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@override
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void paint(Canvas canvas, Size size) {
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const trackHeight = 8.0;
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const gapWidth = 4.0;
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final radius = trackHeight / 2;
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final y = (size.height - trackHeight) / 2;
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final bgPaint = Paint()
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..color = Colors.white.withValues(alpha: 0.3)
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..style = PaintingStyle.fill;
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final durationMs = duration.inMilliseconds.toDouble();
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// Collect chapter split fractions excluding 0 and 1
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final splits = <double>[];
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if (durationMs > 0) {
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for (final chapter in chapters) {
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final ms = chapter.startTimeOffset ?? 0;
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if (ms <= 0) continue;
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final f = (ms / durationMs).clamp(0.0, 1.0);
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if (f > 0 && f < 1) splits.add(f);
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}
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}
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// Build segment pixel ranges [left, right] with gaps at chapter boundaries
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final segmentEdges = <double>[0, ...splits, 1];
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final segments = <(double, double)>[];
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for (int i = 0; i < segmentEdges.length - 1; i++) {
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final left = segmentEdges[i] * size.width + (i > 0 ? gapWidth / 2 : 0);
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final right = segmentEdges[i + 1] * size.width - (i < segmentEdges.length - 2 ? gapWidth / 2 : 0);
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if (right > left) segments.add((left, right));
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}
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// Draw background segments
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for (final (left, right) in segments) {
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canvas.drawRRect(
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RRect.fromRectAndRadius(Rect.fromLTWH(left, y, right - left, trackHeight), Radius.circular(radius)),
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bgPaint,
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);
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}
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if (durationMs <= 0) return;
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// Draw buffer ranges clipped to segments
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final bufPaint = Paint()
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..color = Colors.white.withValues(alpha: 0.5)
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..style = PaintingStyle.fill;
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for (final range in ranges) {
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final bufLeft = (range.start.inMilliseconds / durationMs).clamp(0.0, 1.0) * size.width;
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final bufRight = (range.end.inMilliseconds / durationMs).clamp(0.0, 1.0) * size.width;
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if (bufRight <= bufLeft) continue;
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// Clip buffer to each segment it overlaps
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for (final (segLeft, segRight) in segments) {
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final clippedLeft = bufLeft.clamp(segLeft, segRight);
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final clippedRight = bufRight.clamp(segLeft, segRight);
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if (clippedRight <= clippedLeft) continue;
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canvas.drawRRect(
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RRect.fromRectAndRadius(Rect.fromLTWH(clippedLeft, y, clippedRight - clippedLeft, trackHeight), Radius.circular(radius)),
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bufPaint,
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);
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}
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}
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}
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@override
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bool shouldRepaint(BufferRangePainter oldDelegate) {
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return oldDelegate.duration != duration || oldDelegate.ranges != ranges || oldDelegate.chapters != chapters;
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}
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}
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