jthememanager.cpp
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/***************************************************************************
* Copyright (C) 2005 by Jeff Ferr *
* root@sat *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "Stdafx.h"
#include "jthememanager.h"
namespace jgui {
ThemeManager *ThemeManager::_instance = NULL;
ThemeManager::ThemeManager():
jcommon::Object()
{
jcommon::Object::SetClassName("jgui::ThemeManager");
_default_theme = new Theme();
_theme = _default_theme;
}
ThemeManager::~ThemeManager()
{
if (_default_theme != NULL) {
delete _default_theme;
}
if (_instance != NULL) {
delete _instance;
}
}
ThemeManager * ThemeManager::GetInstance()
{
if (_instance == NULL) {
_instance = new ThemeManager();
}
return _instance;
}
Theme * ThemeManager::GetDefaultTheme()
{
return _default_theme;
}
void ThemeManager::SetTheme(Theme *theme)
{
if (_theme == theme) {
return;
}
_theme = theme;
DispatchThemeEvent(new ThemeEvent(this, _theme));
}
Theme * ThemeManager::GetTheme()
{
if (_theme != NULL) {
return _theme;
}
return _default_theme;
}
void ThemeManager::RegisterThemeListener(ThemeListener *listener)
{
if (listener == NULL) {
return;
}
if (std::find(_theme_listeners.begin(), _theme_listeners.end(), listener) == _theme_listeners.end()) {
_theme_listeners.push_back(listener);
if (_theme != NULL) {
ThemeEvent *event = new ThemeEvent(this, _theme);
listener->ThemeChanged(event);
delete event;
}
}
}
void ThemeManager::RemoveThemeListener(ThemeListener *listener)
{
if (listener == NULL) {
return;
}
std::vector<ThemeListener *>::iterator i = std::find(_theme_listeners.begin(), _theme_listeners.end(), listener);
if (i != _theme_listeners.end()) {
_theme_listeners.erase(i);
}
}
void ThemeManager::DispatchThemeEvent(ThemeEvent *event)
{
if (event == NULL) {
return;
}
int k = 0,
size = (int)_theme_listeners.size();
while (k++ < (int)_theme_listeners.size()) {
ThemeListener *listener = _theme_listeners[k-1];
listener->ThemeChanged(event);
if (size != (int)_theme_listeners.size()) {
size = (int)_theme_listeners.size();
k--;
}
}
/*
for (std::vector<ThemeListener *>::iterator i=_theme_listeners.begin(); i!=_theme_listeners.end(); i++) {
listener->ChangedTheme(event);
}
*/
delete event;
}
std::vector<ThemeListener *> & ThemeManager::GetThemeListeners()
{
return _theme_listeners;
}
}