%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2013-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
-module(cdv_html_wx).
-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,
app, %% which tool is the user
expand_table,
expand_wins=[],
delayed_fetch,
trunc_warn=[]}).
start_link(ParentWin, Info) ->
wx_object:start_link(?MODULE, [ParentWin, Info], []).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
init([ParentWin, Callback]) when is_atom(Callback) ->
init(ParentWin, Callback);
init([ParentWin, {App, Fun}]) when is_function(Fun) ->
init([ParentWin, {App, Fun()}]);
init([ParentWin, {expand,HtmlText,Tab}]) ->
init(ParentWin, HtmlText, Tab, cdv);
init([ParentWin, {App, {expand,HtmlText,Tab}}]) ->
init(ParentWin, HtmlText, Tab, App);
init([ParentWin, {App,HtmlText}]) ->
init(ParentWin, HtmlText, undefined, App);
init([ParentWin, HtmlText]) ->
init(ParentWin, HtmlText, undefined, cdv).
init(ParentWin, HtmlText, Tab, App) ->
%% If progress dialog is shown, remove it now - and sett cursor busy instead
observer_lib:destroy_progress_dialog(),
wx_misc:beginBusyCursor(),
HtmlWin = observer_lib:html_window(ParentWin),
wxHtmlWindow:setPage(HtmlWin,HtmlText),
wx_misc:endBusyCursor(),
{HtmlWin, #state{panel=HtmlWin,expand_table=Tab,app=App}}.
init(ParentWin, Callback) ->
{HtmlWin, State} = init(ParentWin, "", undefined, cdv),
{HtmlWin, State#state{delayed_fetch=Callback}}.
%%%%%%%%%%%%%%%%%%%%%%% Callbacks %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
handle_info(active, #state{panel=HtmlWin,delayed_fetch=Callback}=State)
when Callback=/=undefined ->
observer_lib:display_progress_dialog(HtmlWin,
"Crashdump Viewer",
"Reading data"),
{{expand,HtmlText,Tab},TW} = Callback:get_info(),
observer_lib:sync_destroy_progress_dialog(),
wx_misc:beginBusyCursor(),
wxHtmlWindow:setPage(HtmlWin,HtmlText),
cdv_wx_set_status(State, TW),
wx_misc:endBusyCursor(),
{noreply, State#state{expand_table=Tab,
delayed_fetch=undefined,
trunc_warn=TW}};
handle_info(active, State) ->
cdv_wx_set_status(State, State#state.trunc_warn),
{noreply, State};
handle_info(Info, State) ->
io:format("~p:~p: Unhandled info: ~tp~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 ~tp~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 ~tp~n",[?MODULE, ?LINE, Msg]),
{noreply, State}.
handle_event(#wx{event=#wxHtmlLink{type=command_html_link_clicked,
linkInfo=#wxHtmlLinkInfo{href=Target}}},
#state{expand_table=Tab, app=App}=State) ->
NewState=
case Target of
"#Binary?" ++ BinSpec ->
[{"offset",Off},{"size",Size},{"pos",Pos}] =
uri_string:dissect_query(BinSpec),
Id = {cdv, {list_to_integer(Off),
list_to_integer(Size),
list_to_integer(Pos)}},
expand(Id,cdv_bin_cb,State);
"#OBSBinary?" ++ BinSpec ->
[{"key1",Preview},{"key2",Size},{"key3",Hash}] =
uri_string:dissect_query(BinSpec),
Id = {obs, {Tab, {list_to_integer(Preview),
list_to_integer(Size),
list_to_integer(Hash)}}},
expand(Id,cdv_bin_cb,State);
"#Term?" ++ TermKeys ->
[{"key1",Key1},{"key2",Key2},{"key3",Key3}] =
uri_string:dissect_query(TermKeys),
Id = {cdv, {Tab,{list_to_integer(Key1),
list_to_integer(Key2),
list_to_integer(Key3)}}},
expand(Id,cdv_term_cb,State);
_ when App =:= obs ->
observer ! {open_link, Target};
_ ->
cdv_virtual_list_wx:start_detail_win(Target),
State
end,
{noreply, NewState};
handle_event(Event, State) ->
io:format("~p:~p: Unhandled event ~tp\n", [?MODULE,?LINE,Event]),
{noreply, State}.
%%%-----------------------------------------------------------------
%%% Internal
expand(Id,Callback,#state{expand_wins=Opened0, app=App}=State) ->
Opened =
case lists:keyfind(Id,1,Opened0) of
false ->
EW = cdv_detail_wx:start_link(Id,[],State#state.panel,
Callback,App),
wx_object:get_pid(EW) ! active,
[{Id,EW}|Opened0];
{_,EW} ->
wxFrame:raise(EW),
Opened0
end,
State#state{expand_wins=Opened}.
cdv_wx_set_status(#state{app = cdv}, Status) ->
%% this module is used by the observer when cdw_wx isn't started
%% only try to set status when used by cdv
cdv_wx:set_status(Status);
cdv_wx_set_status(_, _) ->
ok.
