diff options
Diffstat (limited to 'background_scripts/completion_engines.coffee')
| -rw-r--r-- | background_scripts/completion_engines.coffee | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/background_scripts/completion_engines.coffee b/background_scripts/completion_engines.coffee index 52db90d0..ff10f4b5 100644 --- a/background_scripts/completion_engines.coffee +++ b/background_scripts/completion_engines.coffee @@ -100,6 +100,7 @@ class DuckDuckGo extends RegexpEngine # A dummy search engine which is guaranteed to match any search URL, but never produces completions. This # allows the rest of the logic to be written knowing that there will always be a completion engine match. class DummyCompletionEngine + dummy: true match: -> true # We return a useless URL which we know will succeed, but which won't generate any network traffic. getUrl: -> chrome.runtime.getURL "content_scripts/vimium.css" @@ -140,7 +141,7 @@ CompletionEngines = # Look up the completion engine for this searchUrl. Because of DummyCompletionEngine, above, we know there # will always be a match. Imagining that there may be many completion engines, and knowing that this is - # called for every input event in the vomnibar, we cache the result. + # called for every query, we cache the result. lookupEngine: (searchUrl) -> @engineCache ?= new SimpleCache 30 * 60 * 60 * 1000 # 30 hours (these are small, we can keep them longer). if @engineCache.has searchUrl @@ -150,6 +151,10 @@ CompletionEngines = engine = new engine() return @engineCache.set searchUrl, engine if engine.match searchUrl + # True if we have a completion engine for this search URL, undefined otherwise. + haveCompletionEngine: (searchUrl) -> + not @lookupEngine(searchUrl).dummy + # This is the main entry point. # - searchUrl is the search engine's URL, e.g. Settings.get("searchUrl"), or a custome search engine's URL. # This is only used as a key for determining the relevant completion engine. |