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https://github.com/ultimatepp/ultimatepp.git
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143 lines
4.4 KiB
C++
143 lines
4.4 KiB
C++
#include "Updater.h"
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#include <SysExec/SysExec.h>
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NAMESPACE_UPP
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#ifdef PLATFORM_POSIX
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// scans for theme folders on which put/delete the mimetype icons
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// that's needed because if themed icons aren't available, the system
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// uses fallback ones instead of going through hicolor ones
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// btw...that must be some ill-brained people there
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// the routine builds a list of folders containing 32x32 icons
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// it would be of course better with svg, but Upp don't support them
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Vector<String>Updater::ScanTheme(void)
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{
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// gathers all subfolders of /usr/share/icons that contains 32x32 subfolder
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Vector<String>subFolders;
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FindFile ff("/usr/share/icons/*");
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while(ff)
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{
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if(
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ff.IsFolder() &&
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ff.GetName() != "." &&
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ff.GetName() != ".." &&
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DirectoryExists("/usr/share/icons/" + ff.GetName() + "/32x32/")
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)
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subFolders.Add("/usr/share/icons/" + ff.GetName() + "/");
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ff.Next();
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}
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return subFolders;
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}
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// save an image as png inside multiple theme folders
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// retrieved with ScanTheme
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void Updater::InstallThemeIcons(Image const &img, String const &name)
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{
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Vector<String>folders = ScanTheme();
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String imgs = PNGEncoder().SaveString(img);
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for(int i = 0; i < folders.GetCount(); i++)
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{
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SaveFile(folders[i] + "32x32/mimetypes/" + name + ".png", imgs);
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SysStart("gtk-update-icon-cache", "--quiet " + folders[i]);
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}
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}
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// deletes all icons with given name inside folders retrieved with ScanTheme
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void Updater::RemoveThemeIcons(String const &name)
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{
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Vector<String>folders = ScanTheme();
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for(int i = 0; i < folders.GetCount(); i++)
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{
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FileDelete(folders[i] + "32x32/mimetypes/" + name + ".png");
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SysStart("gtk-update-icon-cache", "--quiet " + folders[i]);
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}
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}
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// links application to OS shell
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// (i.e., add icon, menu entry, mimetype....)
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bool Updater::ShellLink(void)
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{
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bool success = true;
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// build desktop file
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String desktop =
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"[Desktop Entry]\n"
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"Type=Application\n"
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"Encoding=UTF-8\n"
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;
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desktop += "Name=" + appName + "\n";
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if(comment != "")
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desktop += "Comment=" + comment + "\n";
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if(cathegory != "")
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desktop += "Categories=" + cathegory + "\n";
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desktop += "Exec=" + appName + " %f\n";
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if(!IsNull(icon))
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desktop += "Icon=" + appName + "\n";
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desktop += "MimeType=application/x-" + appName + ";\n";
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desktop += "Terminal=false\n";
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// stores desktop file in global applications folder
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success = SaveFile("/usr/share/applications/" + appName + ".desktop", desktop);
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// places icon in /usr/share/icons/hicolor/32x32/apps
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// maybe we should look for some better handling of icons...
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// by now, we support only 32x32 ones in default theme
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if(!IsNull(icon))
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{
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success &= PNGEncoder().SaveFile("/usr/share/icons/hicolor/32x32/apps/" + appName + ".png", icon);
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InstallThemeIcons(icon, "application-x-" + appName);
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}
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// add mime type for supported extensions
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String mime =
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"<?xml version=\"1.0\"?>\n"
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"<mime-info xmlns='http://www.freedesktop.org/standards/shared-mime-info'>\n"
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"<mime-type type=\"application/x-" + appName + "\">\n";
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if(comment != "")
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mime += "<comment>" + comment + "</comment>\n";
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for(int i = 0; i < extensions.GetCount(); i++)
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mime += "<glob pattern=\"" + extensions[i] + "\"/>\n";
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mime +=
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"</mime-type>\n"
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"</mime-info>\n"
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;
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success &= SaveFile("/usr/share/mime/packages/" + appName + ".xml", mime);
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success &= (SysStart("update-mime-database", "/usr/share/mime") != -1);
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// updates desktop database to make it sense the changes in mimetype and application
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success &= (SysStart("update-desktop-database", "") != -1);
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return success;
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}
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// unlinks application
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bool Updater::ShellUnlink(void)
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{
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bool success = true;
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// remove desktop file
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FileDelete("/usr/share/applications/" + appName + ".desktop");
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// remove icon
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bool appIcon = FileExists("/usr/share/icons/hicolor/32x32/apps/" + appName + ".png");
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if(appIcon)
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FileDelete("/usr/share/icons/hicolor/32x32/apps/" + appName + ".png");
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RemoveThemeIcons("application-x-" + appName);
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if(FileExists("/usr/share/mime/packages/" + appName + ".xml"))
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{
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FileDelete("/usr/share/mime/packages/" + appName + ".xml");
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SysStart("update-mime-database", "/usr/share/mime");
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}
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// updates desktop database to make it sense the changes in mimetype and application
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SysStart("update-desktop-database", "");
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return success;
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}
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#endif
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END_UPP_NAMESPACE
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