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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 // TODO(wnwen): Move to chrome.storage.local, wrap calls, add JsDocs. |
| 6 |
| 7 var DEFAULT_DELTA = 1.0; |
| 8 var LOCAL_STORAGE_TAG_DELTA = 'cvd_delta'; |
| 9 var LOCAL_STORAGE_TAG_SITE_DELTA = 'cvd_site_deltas'; |
| 10 |
| 11 |
| 12 function validDelta(delta) { |
| 13 return delta >= 0 && delta <= 1; |
| 14 } |
| 15 |
| 16 |
| 17 function getDefaultDelta() { |
| 18 var delta = localStorage[LOCAL_STORAGE_TAG_DELTA]; |
| 19 if (validDelta(delta)) { |
| 20 return delta; |
| 21 } |
| 22 delta = DEFAULT_DELTA; |
| 23 localStorage[LOCAL_STORAGE_TAG_DELTA] = delta; |
| 24 return delta; |
| 25 } |
| 26 |
| 27 |
| 28 function setDefaultDelta(delta) { |
| 29 if (!validDelta(delta)) { |
| 30 delta = DEFAULT_DELTA; |
| 31 } |
| 32 localStorage[LOCAL_STORAGE_TAG_DELTA] = delta; |
| 33 } |
| 34 |
| 35 |
| 36 function getSiteDelta(site) { |
| 37 var delta = getDefaultDelta(); |
| 38 try { |
| 39 var siteDeltas = JSON.parse(localStorage[LOCAL_STORAGE_TAG_SITE_DELTA]); |
| 40 delta = siteDeltas[site]; |
| 41 if (!validDelta(delta)) { |
| 42 delta = getDefaultDelta(); |
| 43 } |
| 44 } catch (e) { |
| 45 delta = getDefaultDelta(); |
| 46 } |
| 47 return delta; |
| 48 } |
| 49 |
| 50 |
| 51 function setSiteDelta(site, delta) { |
| 52 if (!validDelta(delta)) { |
| 53 delta = getDefaultDelta(); |
| 54 } |
| 55 var siteDeltas = {}; |
| 56 try { |
| 57 siteDeltas = JSON.parse(localStorage[LOCAL_STORAGE_TAG_SITE_DELTA]); |
| 58 } catch (e) { |
| 59 siteDeltas = {}; |
| 60 } |
| 61 siteDeltas[site] = delta; |
| 62 localStorage[LOCAL_STORAGE_TAG_SITE_DELTA] = JSON.stringify(siteDeltas); |
| 63 } |
| 64 |
| 65 |
| 66 function resetSiteDeltas() { |
| 67 var siteDeltas = {}; |
| 68 localStorage[LOCAL_STORAGE_TAG_SITE_DELTA] = JSON.stringify(siteDeltas); |
| 69 } |
| 70 |
| 71 |
| 72 // ======= Severity setting ======= |
| 73 |
| 74 var DEFAULT_SEVERITY = 1.0; |
| 75 var LOCAL_STORAGE_TAG_SEVERITY = 'cvd_severity'; |
| 76 var LOCAL_STORAGE_TAG_SITE_SEVERITY = 'cvd_severities'; |
| 77 |
| 78 |
| 79 function validSeverity(severity) { |
| 80 return severity >= 0 && severity <= 1; |
| 81 } |
| 82 |
| 83 |
| 84 function getDefaultSeverity() { |
| 85 var severity = localStorage[LOCAL_STORAGE_TAG_SEVERITY]; |
| 86 if (validSeverity(severity)) { |
| 87 return severity; |
| 88 } |
| 89 severity = DEFAULT_SEVERITY; |
| 90 localStorage[LOCAL_STORAGE_TAG_SEVERITY] = severity; |
| 91 return severity; |
| 92 } |
| 93 |
| 94 |
| 95 function setDefaultSeverity(severity) { |
| 96 if (!validSeverity(severity)) { |
| 97 severity = DEFAULT_SEVERITY; |
| 98 } |
| 99 localStorage[LOCAL_STORAGE_TAG_SEVERITY] = severity; |
| 100 } |
| 101 |
| 102 |
| 103 // TODO(mustaq): Remove site-specific severity setting. |
| 104 function getSiteSeverity(site) { |
| 105 var severity = getDefaultSeverity(); |
| 106 try { |
| 107 var siteSeverities = |
| 108 JSON.parse(localStorage[LOCAL_STORAGE_TAG_SITE_SEVERITY]); |
| 109 severity = siteSeverities[site]; |
| 110 if (!validSeverity(severity)) { |
| 111 severity = getDefaultSeverity(); |
| 112 } |
| 113 } catch (e) { |
| 114 severity = getDefaultSeverity(); |
| 115 } |
| 116 return severity; |
| 117 } |
| 118 |
| 119 |
| 120 function setSiteSeverity(site, severity) { |
| 121 if (!validSeverity(severity)) { |
| 122 severity = getDefaultSeverity(); |
| 123 } |
| 124 var siteSeverities = {}; |
| 125 try { |
| 126 siteSeverities = JSON.parse(localStorage[LOCAL_STORAGE_TAG_SITE_SEVERITY]); |
| 127 } catch (e) { |
| 128 siteSeverities = {}; |
| 129 } |
| 130 siteSeverities[site] = severity; |
| 131 localStorage[LOCAL_STORAGE_TAG_SITE_SEVERITY] = |
| 132 JSON.stringify(siteSeverities); |
| 133 } |
| 134 |
| 135 |
| 136 function resetSiteSeverities() { |
| 137 var siteSeverities = {}; |
| 138 localStorage[LOCAL_STORAGE_TAG_SITE_SEVERITY] = |
| 139 JSON.stringify(siteSeverities); |
| 140 } |
| 141 |
| 142 |
| 143 // ======= Type setting ======= |
| 144 |
| 145 // TODO(wnwen): Use enums rather than strings. |
| 146 var DEFAULT_TYPE = 'PROTANOMALY'; |
| 147 var LOCAL_STORAGE_TAG_TYPE = 'cvd_type'; |
| 148 |
| 149 |
| 150 function validType(type) { |
| 151 return type === 'PROTANOMALY' || |
| 152 type === 'DEUTERANOMALY' || |
| 153 type === 'TRITANOMALY'; |
| 154 } |
| 155 |
| 156 |
| 157 function getDefaultType() { |
| 158 var type = localStorage[LOCAL_STORAGE_TAG_TYPE]; |
| 159 if (validType(type)) { |
| 160 return type; |
| 161 } |
| 162 type = DEFAULT_TYPE; |
| 163 localStorage[LOCAL_STORAGE_TAG_TYPE] = type; |
| 164 return type; |
| 165 } |
| 166 |
| 167 |
| 168 function setDefaultType(type) { |
| 169 if (!validType(type)) { |
| 170 type = DEFAULT_TYPE; |
| 171 } |
| 172 localStorage[LOCAL_STORAGE_TAG_TYPE] = type; |
| 173 } |
| 174 |
| 175 |
| 176 // ======= Simulate setting ======= |
| 177 |
| 178 var DEFAULT_SIMULATE = false; |
| 179 var LOCAL_STORAGE_TAG_SIMULATE = 'cvd_simulate'; |
| 180 |
| 181 |
| 182 function validSimulate(simulate) { |
| 183 return simulate == true || simulate == false; |
| 184 } |
| 185 |
| 186 |
| 187 function getDefaultSimulate() { |
| 188 var simulate = localStorage[LOCAL_STORAGE_TAG_SIMULATE]; |
| 189 |
| 190 //Make it a boolean if possible |
| 191 if (simulate === 'true') { |
| 192 simulate = true; |
| 193 } else if (simulate === 'false') { |
| 194 simulate = false; |
| 195 } else { |
| 196 simulate = 'undef'; |
| 197 } |
| 198 |
| 199 if (validSimulate(simulate)) { |
| 200 return simulate; |
| 201 } |
| 202 simulate = DEFAULT_SIMULATE; |
| 203 localStorage[LOCAL_STORAGE_TAG_SIMULATE] = simulate; |
| 204 return simulate; |
| 205 } |
| 206 |
| 207 |
| 208 function setDefaultSimulate(simulate) { |
| 209 if (!validSimulate(simulate)) { |
| 210 simulate = DEFAULT_SIMULATE; |
| 211 } |
| 212 localStorage[LOCAL_STORAGE_TAG_SIMULATE] = simulate; |
| 213 } |
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