cdv: Show progress bar while reading big data

1 files changed, 22 insertions, 6 deletions

diff --git a/lib/observer/src/cdv_detail_wx.erl b/lib/observer/src/cdv_detail_wx.erl
index 4c26e447a6..f6d282638a 100644
--- a/lib/observer/src/cdv_detail_wx.erl
+++ b/lib/observer/src/cdv_detail_wx.erl
@@ -20,7 +20,7 @@
 
 -behaviour(wx_object).
 
--export([start_link/4]).
+-export([start_link/5]).
 
 -export([init/1, handle_event/2, handle_cast/2, terminate/2, code_change/3,
 	 handle_call/3, handle_info/2]).
@@ -39,27 +39,42 @@
 -define(ID_NOTEBOOK, 604).
 
 %% Detail view
-start_link(Id, Data, ParentFrame, Callback) ->
-    wx_object:start_link(?MODULE, [Id, Data, ParentFrame, Callback, self()], []).
+start_link(Id, Data, ParentFrame, Callback, App) ->
+    wx_object:start_link(?MODULE,[Id,Data,ParentFrame,Callback,App,self()],[]).
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-init([Id, Data, ParentFrame, Callback, Parent]) ->
+init([Id, Data, ParentFrame, Callback, App, Parent]) ->
+    display_progress(ParentFrame,App),
     case Callback:get_details(Id, Data) of
 	{ok,Details} ->
-	    init(Id,ParentFrame,Callback,Parent,Details);
+	    init(Id,ParentFrame,Callback,App,Parent,Details);
 	{yes_no, Info, Fun} ->
+            destroy_progress(App),
 	    case observer_lib:display_yes_no_dialog(Info) of
 		?wxID_YES -> Fun();
 		?wxID_NO -> ok
 	    end,
 	    {stop,normal};
 	{info,Info} ->
+            destroy_progress(App),
 	    observer_lib:display_info_dialog(ParentFrame,Info),
 	    {stop,normal}
     end.
 
-init(Id,ParentFrame,Callback,Parent,{Title,Info,TW}) ->
+%% Display progress bar only if the calling app is crashdump_viewer
+display_progress(ParentFrame,cdv) ->
+    observer_lib:display_progress_dialog(ParentFrame,
+                                         "Crashdump Viewer",
+                                         "Reading data");
+display_progress(_,_) ->
+    ok.
+destroy_progress(cdv) ->
+    observer_lib:destroy_progress_dialog();
+destroy_progress(_) ->
+    ok.
+
+init(Id,ParentFrame,Callback,App,Parent,{Title,Info,TW}) ->
     Frame=wxFrame:new(ParentFrame, ?wxID_ANY, [Title],
 		      [{style, ?wxDEFAULT_FRAME_STYLE}, {size, {850,600}}]),
     MenuBar = wxMenuBar:new(),
@@ -88,6 +103,7 @@ init(Id,ParentFrame,Callback,Parent,{Title,Info,TW}) ->
     wxFrame:connect(Frame, close_window),
     wxMenu:connect(Frame, command_menu_selected),
     wxFrame:show(Frame),
+    destroy_progress(App),
     {Frame, #state{parent=Parent,
 		   id=Id,
 		   frame=Frame,