use timeout (1s) only when needed

The timeout are needed, at least on my computer, because ST crashes
otherwise

MLPApi.py

@@ -132,6 +132,7 @@ def show_html(md_view, preview):
 
     # set viewport position
 
+    return
     # 0 < y < 1
     y = md_view.text_to_layout(md_view.sel()[0].begin())[1] / md_view.layout_extent()[1]
     vector = [0, y * preview.layout_extent()[1]]

MarkdownLivePreview.py

@@ -16,8 +16,13 @@ class MarkdownLivePreviewListener(sublime_plugin.EventListener):
         vsettings = view.settings()
         if vsettings.get(PREVIEW_ENABLED):
             id = vsettings.get(PREVIEW_ID)
-            if id is None or get_view_from_id(window, id) is None:
+            preview = get_view_from_id(window, id)
+            if id is None or preview is None:
                 preview = create_preview(view)
+                sublime.set_timeout(lambda: show_html(view, preview), 1000)
+            else:
+                show_html(view, preview)
+
             return
 
     def on_activated(self, view):
@@ -27,8 +32,12 @@ class MarkdownLivePreviewListener(sublime_plugin.EventListener):
         vsettings = view.settings()
         if vsettings.get(PREVIEW_ENABLED):
             id = vsettings.get(PREVIEW_ID)
-            if id is None or get_view_from_id(window, id) is None:
+            preview = get_view_from_id(window, id)
+            if id is None or preview is None:
                 preview = create_preview(view)
+                sublime.set_timeout(lambda: show_html(view, preview), 1000)
+            else:
+                show_html(view, preview)
             return
 
         # if view is preview

sample.md

@@ -1,7 +1,7 @@
 # DuckDuckGo - The Search engine you'll fall in love with
 
-This is a test
+This is a test, and this is pretty cool!
 
 ![image](http://afterishtar.pl/images/100x100.gif)
 
-hello world
+Hope you'll enjoy using MarkdownLivePreview!