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authorSiri Hansen <[email protected]>2013-10-16 16:53:53 +0200
committerDan Gudmundsson <[email protected]>2014-01-27 16:13:47 +0100
commit41380c0ff6c4fb56aad5702b9d9554ae36580063 (patch)
tree5c16ed3916a700b5f0176d8a33d2ffa28e65c911 /lib/observer/src/cdv_html_page.erl
parent549205db3dee21e83a64a01f03b1e8ed2225b276 (diff)
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observer: improve wx version of crashdump_viewer
* bugfixes * better progress dialogs * show expanded binaries in different formats * speed up reading of big crashdumps
Diffstat (limited to 'lib/observer/src/cdv_html_page.erl')
-rw-r--r--lib/observer/src/cdv_html_page.erl121
1 files changed, 121 insertions, 0 deletions
diff --git a/lib/observer/src/cdv_html_page.erl b/lib/observer/src/cdv_html_page.erl
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+++ b/lib/observer/src/cdv_html_page.erl
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2013. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+-module(cdv_html_page).
+
+-behaviour(wx_object).
+
+-export([start_link/2]).
+%% wx_object callbacks
+-export([init/1, handle_info/2, terminate/2, code_change/3, handle_call/3,
+ handle_event/2, handle_cast/2]).
+
+-include_lib("wx/include/wx.hrl").
+-include("observer_defs.hrl").
+
+%% Records
+-record(state,
+ {panel,
+ expand_table,
+ expand_wins=[]}).
+
+start_link(ParentWin, Info) ->
+ wx_object:start_link(?MODULE, [ParentWin, Info], []).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+init([ParentWin, Fun]) when is_function(Fun) ->
+ init([ParentWin, Fun()]);
+init([ParentWin, {expand,HtmlText,Tab}]) ->
+ HtmlWin = observer_lib:html_window(ParentWin),
+ wxHtmlWindow:setPage(HtmlWin,HtmlText),
+ {HtmlWin, #state{panel=HtmlWin,expand_table=Tab}};
+init([ParentWin, HtmlText]) ->
+ HtmlWin = observer_lib:html_window(ParentWin),
+ wxHtmlWindow:setPage(HtmlWin,HtmlText),
+ {HtmlWin, #state{panel=HtmlWin}}.
+
+%%%%%%%%%%%%%%%%%%%%%%% Callbacks %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+handle_info(active, State) ->
+ {noreply, State};
+
+handle_info(Info, State) ->
+ io:format("~p:~p: Unhandled info: ~p~n", [?MODULE, ?LINE, Info]),
+ {noreply, State}.
+
+terminate(_Reason, _State) ->
+ ok.
+
+code_change(_, _, State) ->
+ {ok, State}.
+
+handle_call(Msg, _From, State) ->
+ io:format("~p~p: Unhandled Call ~p~n",[?MODULE, ?LINE, Msg]),
+ {reply, ok, State}.
+
+handle_cast({detail_win_closed, Id},#state{expand_wins=Opened0}=State) ->
+ Opened = lists:keydelete(Id, 1, Opened0),
+ {noreply, State#state{expand_wins=Opened}};
+
+handle_cast(Msg, State) ->
+ io:format("~p~p: Unhandled cast ~p~n",[?MODULE, ?LINE, Msg]),
+ {noreply, State}.
+
+handle_event(#wx{event=#wxHtmlLink{type=command_html_link_clicked,
+ linkInfo=#wxHtmlLinkInfo{href=Target}}},
+ #state{expand_table=Tab}=State) ->
+ NewState=
+ case Target of
+ "#Binary?" ++ BinSpec ->
+ [{"offset",Off},{"size",Size},{"pos",Pos}] =
+ httpd:parse_query(BinSpec),
+ Id = {list_to_integer(Off),
+ list_to_integer(Size),
+ list_to_integer(Pos)},
+ expand(Id,cdv_bin_wx,State);
+ "#Term?" ++ TermKeys ->
+ [{"key1",Key1},{"key2",Key2},{"key3",Key3}] =
+ httpd:parse_query(TermKeys),
+ Id = {Tab,{list_to_integer(Key1),
+ list_to_integer(Key2),
+ list_to_integer(Key3)}},
+ expand(Id,cdv_term_wx,State);
+ _ ->
+ cdv_virtual_list:start_detail_win(Target),
+ State
+ end,
+ {noreply, NewState};
+
+handle_event(Event, State) ->
+ io:format("~p:~p: Unhandled event ~p\n", [?MODULE,?LINE,Event]),
+ {noreply, State}.
+
+%%%-----------------------------------------------------------------
+%%% Internal
+expand(Id,Callback,#state{expand_wins=Opened0}=State) ->
+ Opened =
+ case lists:keyfind(Id,1,Opened0) of
+ false ->
+ EW = cdv_detail_win:start_link(Id,State#state.panel,Callback),
+ wx_object:get_pid(EW) ! active,
+ [{Id,EW}|Opened0];
+ {_,EW} ->
+ wxFrame:raise(EW),
+ Opened0
+ end,
+ State#state{expand_wins=Opened}.