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/*
Copyright (C) 2009 Ricardo Pescuma Domenecci
This is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this file; see the file license.txt. If
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "commons.h"
struct Icon
{
string name;
int refCount;
HANDLE hImage;
Icon(const char *icolibName) :
name(icolibName), refCount(0), hImage(INVALID_HANDLE_VALUE)
{
}
};
static vector<Icon> usedIcons;
static Icon * FindIcon(const char *icolibName)
{
Icon *icon = NULL;
for (unsigned int i = 0; i < usedIcons.size(); ++i)
{
Icon *tmp = &usedIcons[i];
if (tmp->name != icolibName)
continue;
icon = tmp;
break;
}
if (icon == NULL)
{
usedIcons.push_back(Icon(icolibName));
icon = &usedIcons[usedIcons.size() - 1];
}
if (icon->hImage == INVALID_HANDLE_VALUE)
{
HICON hIcon = IcoLib_LoadIcon(icon->name.c_str());
if (hIcon != NULL)
{
icon->hImage = (HANDLE) CallService(MS_CLIST_EXTRA_ADD_ICON, (WPARAM) hIcon, 0);
Skin_ReleaseIcon(hIcon);
}
}
return icon;
}
HANDLE GetIcon(const char *icolibName)
{
return FindIcon(icolibName)->hImage;
}
HANDLE AddIcon(const char *icolibName)
{
Icon *icon = FindIcon(icolibName);
icon->refCount++;
return icon->hImage;
}
void RemoveIcon(const char *icolibName)
{
for (unsigned int i = 0; i < usedIcons.size(); ++i)
{
Icon *icon = &usedIcons[i];
if (icon->name != icolibName)
continue;
icon->refCount--;
break;
}
}
static bool NotUsedIcon(const Icon &icon)
{
return icon.refCount <= 0;
}
void ResetIcons()
{
usedIcons.erase(std::remove_if(usedIcons.begin(), usedIcons.end(), NotUsedIcon), usedIcons.end());
for (unsigned int i = 0; i < usedIcons.size(); ++i)
usedIcons[i].hImage = INVALID_HANDLE_VALUE;
}
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