1<!DOCTYPE html> 2<!-- 3Copyright (c) 2015 The Chromium Authors. All rights reserved. 4Use of this source code is governed by a BSD-style license that can be 5found in the LICENSE file. 6--> 7 8<link rel="import" href="/tracing/base/base.html"> 9<link rel="import" href="/tracing/base/color_scheme.html"> 10 11<script> 12'use strict'; 13 14/** 15 * @fileoverview Provides the SelectionState class. 16 */ 17tr.exportTo('tr.model', function() { 18 var ColorScheme = tr.b.ColorScheme; 19 20 /** 21 * Describes the level of visual highlighting to apply to an event when shown. 22 * 23 * color_scheme.html defines N variations off of a base color palette, 24 * one for each selection state, all concatenated into one flat array. To 25 * pick the final colorId for a given variations, the SelectionState is 26 * multiplied by the number of base colors. 27 * 28 * Thus, the values here must be kept in sync with color_scheme's palette 29 * layout. 30 */ 31 var SelectionState = { 32 NONE: 0, 33 34 // Legacy names. 35 SELECTED: ColorScheme.properties.brightenedOffsets[0], 36 HIGHLIGHTED: ColorScheme.properties.brightenedOffsets[1], 37 DIMMED: ColorScheme.properties.dimmedOffsets[0], 38 39 // Modern names. 40 BRIGHTENED0: ColorScheme.properties.brightenedOffsets[0], 41 BRIGHTENED1: ColorScheme.properties.brightenedOffsets[1], 42 BRIGHTENED2: ColorScheme.properties.brightenedOffsets[2], 43 44 DIMMED0: ColorScheme.properties.dimmedOffsets[0], 45 DIMMED1: ColorScheme.properties.dimmedOffsets[1], 46 DIMMED2: ColorScheme.properties.dimmedOffsets[2] 47 }; 48 49 var brighteningLevels = [ 50 SelectionState.NONE, 51 SelectionState.BRIGHTENED0, 52 SelectionState.BRIGHTENED1, 53 SelectionState.BRIGHTENED2 54 ]; 55 SelectionState.getFromBrighteningLevel = function(level) { 56 return brighteningLevels[level]; 57 } 58 59 var dimmingLevels = [ 60 SelectionState.DIMMED0, 61 SelectionState.DIMMED1, 62 SelectionState.DIMMED2 63 ]; 64 SelectionState.getFromDimmingLevel = function(level) { 65 return dimmingLevels[level]; 66 } 67 68 return { 69 SelectionState: SelectionState 70 }; 71}); 72</script> 73