diff options
author | 2012-07-29 03:23:17 -0400 | |
---|---|---|
committer | 2012-07-29 03:23:17 -0400 | |
commit | 62dac858807da8fb62ce55adbed84cfe582367b2 (patch) | |
tree | ca84c8b1eac3a35c576e9ff7117b53c1ffd5c2e0 /Assistant/Threads/WebApp.hs | |
parent | e96107caf3745d658a36e0ad7716dd07a57657a2 (diff) |
update the sidebar by long polling
Needs to use a different NotificationBroadcaster, and not replace the
whole sidebar div, but instead add in new content. However, it's 3:30 am.
Diffstat (limited to 'Assistant/Threads/WebApp.hs')
-rw-r--r-- | Assistant/Threads/WebApp.hs | 100 |
1 files changed, 66 insertions, 34 deletions
diff --git a/Assistant/Threads/WebApp.hs b/Assistant/Threads/WebApp.hs index e47ee9fda..500297693 100644 --- a/Assistant/Threads/WebApp.hs +++ b/Assistant/Threads/WebApp.hs @@ -33,6 +33,7 @@ import Network.Socket (PortNumber) import Text.Blaze.Renderer.String import Data.Text (Text, pack, unpack) import qualified Data.Map as M +import Data.Time.Clock thisThread :: String thisThread = "WebApp" @@ -46,6 +47,10 @@ data WebApp = WebApp , getStatic :: Static } +getNotificationBroadcaster :: WebApp -> IO NotificationBroadcaster +getNotificationBroadcaster webapp = notificationBroadcaster + <$> getDaemonStatus (daemonStatus webapp) + staticFiles "static" mkYesod "WebApp" [parseRoutes| @@ -53,6 +58,7 @@ mkYesod "WebApp" [parseRoutes| /noscript NoScriptR GET /noscriptauto NoScriptAutoR GET /transfers/#NotificationId TransfersR GET +/sidebar/#NotificationId SideBarR GET /config ConfigR GET /static StaticR Static getStatic |] @@ -62,8 +68,7 @@ instance PathPiece NotificationId where fromPathPiece = readish . unpack instance Yesod WebApp where - defaultLayout widget = do - mmsg <- getMessage + defaultLayout content = do webapp <- getYesod page <- widgetToPageContent $ do addStylesheet $ StaticR css_bootstrap_css @@ -93,14 +98,12 @@ instance Yesod WebApp where - replaced when it's updated. - - Updating is done by getting html from the gethtml route. - - Or, the home route is used if the whole page has to be refreshed to - - update. - - ms_delay is how long to delay between AJAX updates - ms_startdelay is how long to delay before updating with AJAX at the start -} -autoUpdate :: Text -> Route WebApp -> Route WebApp -> Int -> Int -> Widget -autoUpdate ident gethtml home ms_delay ms_startdelay = do +autoUpdate :: Text -> Route WebApp -> Int -> Int -> Widget +autoUpdate ident gethtml ms_delay ms_startdelay = do let delay = show ms_delay let startdelay = show ms_startdelay $(widgetFile "longpolling") @@ -120,12 +123,59 @@ transfersDisplay warnNoScript = do transfersDisplayIdent :: Text transfersDisplayIdent = "transfers" -getNotificationBroadcaster :: WebApp -> IO NotificationBroadcaster -getNotificationBroadcaster webapp = notificationBroadcaster - <$> getDaemonStatus (daemonStatus webapp) +{- Called by client to get a display of currently in process transfers. + - + - Returns a div, which will be inserted into the calling page. + - + - Note that the head of the widget is not included, only its + - body is. To get the widget head content, the widget is also + - inserted onto the getHomeR page. + -} +getTransfersR :: NotificationId -> Handler RepHtml +getTransfersR nid = do + {- Block until there is a change from last time. -} + webapp <- getYesod + b <- liftIO $ getNotificationBroadcaster webapp + liftIO $ waitNotification $ notificationHandleFromId b nid + + page <- widgetToPageContent $ transfersDisplay False + hamletToRepHtml $ [hamlet|^{pageBody page}|] + +sideBarDisplay :: Bool -> Widget +sideBarDisplay noScript = do + date <- liftIO $ show <$> getCurrentTime + ident <- lift newIdent + mmsg <- lift getMessage + $(widgetFile "sidebar") + unless noScript $ do + {- Set up automatic updates of the sidebar. -} + webapp <- lift getYesod + nid <- liftIO $ notificationHandleToId <$> + (newNotificationHandle =<< getNotificationBroadcaster webapp) + autoUpdate ident (SideBarR nid) (10 :: Int) (10 :: Int) + +{- Called by client to get a sidebar display. + - + - Returns a div, which will be inserted into the calling page. + - + - Note that the head of the widget is not included, only its + - body is. To get the widget head content, the widget is also + - inserted onto all pages. + -} +getSideBarR :: NotificationId -> Handler RepHtml +getSideBarR nid = do + {- Block until there is a change from last time. -} + webapp <- getYesod + b <- liftIO $ getNotificationBroadcaster webapp + liftIO $ waitNotification $ notificationHandleFromId b nid + + page <- widgetToPageContent $ sideBarDisplay True + hamletToRepHtml $ [hamlet|^{pageBody page}|] -dashboard :: Bool -> Widget -dashboard warnNoScript = transfersDisplay warnNoScript +dashboard :: Bool -> Bool -> Widget +dashboard noScript warnNoScript = do + sideBarDisplay noScript + transfersDisplay warnNoScript getHomeR :: Handler RepHtml getHomeR = defaultLayout $ do @@ -133,10 +183,9 @@ getHomeR = defaultLayout $ do webapp <- lift getYesod nid <- liftIO $ notificationHandleToId <$> (newNotificationHandle =<< getNotificationBroadcaster webapp) - autoUpdate transfersDisplayIdent (TransfersR nid) HomeR - (10 :: Int) (10 :: Int) + autoUpdate transfersDisplayIdent (TransfersR nid) (10 :: Int) (10 :: Int) - dashboard True + dashboard False True {- Same as HomeR, except with no javascript, so it doesn't allocate - new resources each time the page is refreshed, and with autorefreshing @@ -147,32 +196,15 @@ getNoScriptAutoR = defaultLayout $ do let delayseconds = 3 :: Int let this = NoScriptAutoR toWidgetHead $(hamletFile $ hamletTemplate "metarefresh") - dashboard False + dashboard True False getNoScriptR :: Handler RepHtml getNoScriptR = defaultLayout $ - dashboard True - -{- Called by client to get a display of currently in process transfers. - - - - Returns a div, which will be inserted into the calling page. - - - - Note that the head of the widget is not included, only its - - body is. To get the widget head content, the widget is also - - inserted onto the getHomeR page. - -} -getTransfersR :: NotificationId -> Handler RepHtml -getTransfersR nid = do - {- Block until there is a change from last time. -} - webapp <- getYesod - b <- liftIO $ getNotificationBroadcaster webapp - liftIO $ waitNotification $ notificationHandleFromId b nid - - page <- widgetToPageContent $ transfersDisplay False - hamletToRepHtml $ [hamlet|^{pageBody page}|] + dashboard True True getConfigR :: Handler RepHtml getConfigR = defaultLayout $ do + sideBarDisplay False setTitle "configuration" [whamlet|<a href="@{HomeR}">main|] |