Added dequeueMatchingTask action to abort fileUploads

Summary:
Moved dequeing action in the same loop

Added fix to delete multiple files

Test Plan: None

Reviewers: bengotow

Reviewed By: bengotow

Differential Revision: https://review.inboxapp.com/D1314

src/flux/actions.coffee

@@ -39,6 +39,7 @@ mainWindowActions = [
   "queueTask",
   "dequeueTask",
   "dequeueAllTasks",
+  "dequeueMatchingTask",
   "longPollStateChanged",
   "longPollReceivedRawDeltas",
   "longPollConnected",

src/flux/stores/file-upload-store.coffee

@@ -46,7 +46,8 @@ FileUploadStore = Reflux.createStore
  
   _onAttachFilePath: ({messageLocalId, path}) ->
     @_verifyId(messageLocalId)
-    Actions.queueTask(new FileUploadTask(path, messageLocalId))
+    @task = new FileUploadTask(path, messageLocalId)
+    Actions.queueTask(@task)
 
   # Receives:
   #   uploadData:
@@ -61,10 +62,10 @@ FileUploadStore = Reflux.createStore
     @trigger()
 
   _onAbortUpload: (uploadData) ->
-    Actions.abortTask({
+    Actions.dequeueMatchingTask({
       object: 'FileUploadTask',
-      filePath: uploadData.filePath,
-      messageLocalId: uploadData.messageLocalId
+      matchKey: "filePath"
+      matchValue: uploadData.filePath
     })
 
   # Note that the MessageStore also receives the `fileUploaded` action.

src/flux/stores/task-queue.coffee

@@ -21,12 +21,13 @@ TaskQueue = Reflux.createStore
 
     @_restoreQueueFromDisk()
 
-    @listenTo(Actions.queueTask,       @enqueue)
-    @listenTo(Actions.dequeueTask,     @dequeue)
-    @listenTo(Actions.dequeueAllTasks, @dequeueAll)
-    @listenTo(Actions.logout,          @dequeueAll)
+    @listenTo(Actions.queueTask,              @enqueue)
+    @listenTo(Actions.dequeueTask,            @dequeue)
+    @listenTo(Actions.dequeueAllTasks,        @dequeueAll)
+    @listenTo(Actions.logout,                 @dequeueAll)
+    @listenTo(Actions.dequeueMatchingTask,    @dequeueMatching)
 
-    @listenTo(Actions.clearDeveloperConsole, @clearCompleted)
+    @listenTo(Actions.clearDeveloperConsole,  @clearCompleted)
 
     # TODO
     # @listenTo(OnlineStatusStore, @_onOnlineChange)
@@ -74,6 +75,17 @@ TaskQueue = Reflux.createStore
       @dequeue(task, silent: true) if task?
     @_update()
 
+  dequeueMatching: (task) ->
+    identifier = task.matchKey
+    propValue  = task.matchValue
+
+    for other in @_queue by -1
+      if task.object == task.object
+        if other[identifier] == propValue
+          @dequeue(other, silent: true)
+
+    @_update()
+
   clearCompleted: ->
     @_completed = []
     @trigger()