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# NOTE(mrmr1993): This is under lib/ since it is used by both content scripts and iframes from pages/.
# This implements find-mode query history (using the "findModeRawQueryList" setting) as a list of raw queries,
# most recent first.
FindModeHistory =
storage: chrome?.storage.local # Guard against chrome being undefined (in the HUD iframe).
key: "findModeRawQueryList"
max: 50
rawQueryList: null
init: ->
@isIncognitoMode = chrome?.extension.inIncognitoContext
return unless @isIncognitoMode? # chrome is undefined in the HUD iframe during tests, so we do nothing.
unless @rawQueryList
@rawQueryList = [] # Prevent repeated initialization.
@key = "findModeRawQueryListIncognito" if @isIncognitoMode
@storage.get @key, (items) =>
unless chrome.runtime.lastError
@rawQueryList = items[@key] if items[@key]
if @isIncognitoMode and not items[@key]
# This is the first incognito tab, so we need to initialize the incognito-mode query history.
@storage.get "findModeRawQueryList", (items) =>
unless chrome.runtime.lastError
@rawQueryList = items.findModeRawQueryList
@storage.set findModeRawQueryListIncognito: @rawQueryList
chrome.storage.onChanged.addListener (changes, area) =>
@rawQueryList = changes[@key].newValue if changes[@key]
getQuery: (index = 0) ->
@rawQueryList[index] or ""
saveQuery: (query) ->
if 0 < query.length
@rawQueryList = @refreshRawQueryList query, @rawQueryList
newSetting = {}; newSetting[@key] = @rawQueryList
@storage.set newSetting
# If there are any active incognito-mode tabs, then propagte this query to those tabs too.
unless @isIncognitoMode
@storage.get "findModeRawQueryListIncognito", (items) =>
if not chrome.runtime.lastError and items.findModeRawQueryListIncognito
@storage.set
findModeRawQueryListIncognito: @refreshRawQueryList query, items.findModeRawQueryListIncognito
refreshRawQueryList: (query, rawQueryList) ->
([ query ].concat rawQueryList.filter (q) => q != query)[0..@max]
root = exports ? window
root.FindModeHistory = FindModeHistory
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