diff options
Diffstat (limited to 'background_scripts')
| -rw-r--r-- | background_scripts/bg_utils.coffee | 45 | ||||
| -rw-r--r-- | background_scripts/completion.coffee | 44 |
2 files changed, 46 insertions, 43 deletions
diff --git a/background_scripts/bg_utils.coffee b/background_scripts/bg_utils.coffee new file mode 100644 index 00000000..9c1674bf --- /dev/null +++ b/background_scripts/bg_utils.coffee @@ -0,0 +1,45 @@ +root = exports ? window + +# TabRecency associates a logical timestamp with each tab id. These are used to provide an initial +# recency-based ordering in the tabs vomnibar (which allows jumping quickly between recently-visited tabs). +class TabRecency + timestamp: 1 + current: -1 + cache: {} + lastVisited: null + lastVisitedTime: null + timeDelta: 500 # Milliseconds. + + constructor: -> + chrome.tabs.onActivated.addListener (activeInfo) => @register activeInfo.tabId + chrome.tabs.onRemoved.addListener (tabId) => @deregister tabId + + chrome.tabs.onReplaced.addListener (addedTabId, removedTabId) => + @deregister removedTabId + @register addedTabId + + register: (tabId) -> + currentTime = new Date() + # Register tabId if it has been visited for at least @timeDelta ms. Tabs which are visited only for a + # very-short time (e.g. those passed through with `5J`) aren't registered as visited at all. + if @lastVisitedTime? and @timeDelta <= currentTime - @lastVisitedTime + @cache[@lastVisited] = ++@timestamp + + @current = @lastVisited = tabId + @lastVisitedTime = currentTime + + deregister: (tabId) -> + if tabId == @lastVisited + # Ensure we don't register this tab, since it's going away. + @lastVisited = @lastVisitedTime = null + delete @cache[tabId] + + # Recently-visited tabs get a higher score (except the current tab, which gets a low score). + recencyScore: (tabId) -> + @cache[tabId] ||= 1 + if tabId == @current then 0.0 else @cache[tabId] / @timestamp + +BgUtils = + tabRecency: new TabRecency() + +root.BgUtils = BgUtils diff --git a/background_scripts/completion.coffee b/background_scripts/completion.coffee index 2427bad8..c880a26c 100644 --- a/background_scripts/completion.coffee +++ b/background_scripts/completion.coffee @@ -351,47 +351,6 @@ class DomainCompleter parseDomainAndScheme: (url) -> Utils.hasFullUrlPrefix(url) and not Utils.hasChromePrefix(url) and url.split("/",3).join "/" -# TabRecency associates a logical timestamp with each tab id. These are used to provide an initial -# recency-based ordering in the tabs vomnibar (which allows jumping quickly between recently-visited tabs). -class TabRecency - timestamp: 1 - current: -1 - cache: {} - lastVisited: null - lastVisitedTime: null - timeDelta: 500 # Milliseconds. - - constructor: -> - chrome.tabs.onActivated.addListener (activeInfo) => @register activeInfo.tabId - chrome.tabs.onRemoved.addListener (tabId) => @deregister tabId - - chrome.tabs.onReplaced.addListener (addedTabId, removedTabId) => - @deregister removedTabId - @register addedTabId - - register: (tabId) -> - currentTime = new Date() - # Register tabId if it has been visited for at least @timeDelta ms. Tabs which are visited only for a - # very-short time (e.g. those passed through with `5J`) aren't registered as visited at all. - if @lastVisitedTime? and @timeDelta <= currentTime - @lastVisitedTime - @cache[@lastVisited] = ++@timestamp - - @current = @lastVisited = tabId - @lastVisitedTime = currentTime - - deregister: (tabId) -> - if tabId == @lastVisited - # Ensure we don't register this tab, since it's going away. - @lastVisited = @lastVisitedTime = null - delete @cache[tabId] - - # Recently-visited tabs get a higher score (except the current tab, which gets a low score). - recencyScore: (tabId) -> - @cache[tabId] ||= 1 - if tabId == @current then 0.0 else @cache[tabId] / @timestamp - -tabRecency = new TabRecency() - # Searches through all open tabs, matching on title and URL. class TabCompleter filter: ({ queryTerms }, onComplete) -> @@ -414,7 +373,7 @@ class TabCompleter if suggestion.queryTerms.length RankingUtils.wordRelevancy(suggestion.queryTerms, suggestion.url, suggestion.title) else - tabRecency.recencyScore(suggestion.tabId) + BgUtils.tabRecency.recencyScore(suggestion.tabId) class SearchEngineCompleter @debug: false @@ -862,4 +821,3 @@ root.SearchEngineCompleter = SearchEngineCompleter root.HistoryCache = HistoryCache root.RankingUtils = RankingUtils root.RegexpCache = RegexpCache -root.TabRecency = TabRecency |