daniel-c-harvey
21 lines
1.1 KiB
C#
21 lines
1.1 KiB
C#
namespace DeepDrftPublic.Client.Services;
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/// <summary>
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/// Holds the Mix visualizer's zoom (visible time-span in seconds) for the lifetime of the WASM app
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/// instance. Scoped in DI, so it lives across SPA navigations within one listening session — open a
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/// second mix and the slider keeps where you left it — but a fresh page load (F5) constructs a new
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/// instance, resetting to the default. That matches the spec's "persist within session, reset on
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/// fresh load" without any cookie/localStorage round-trip (see phase-9-mix-visualizer-redesign §B).
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/// </summary>
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public sealed class MixVisualizerZoomState
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{
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/// <summary>
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/// Default opening window. Mirrors <c>DEFAULT_VISIBLE_SECONDS</c> in MixVisualizer.ts; keep the
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/// two in sync (the TS owns the rendering anchors, this owns the C#-side session default).
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/// </summary>
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public const double DefaultVisibleSeconds = 10.0;
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/// <summary>Visible time-span in seconds. Survives navigation; resets on fresh page load.</summary>
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public double VisibleSeconds { get; set; } = DefaultVisibleSeconds;
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}
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