Renew the updater branch

Now with some actual consensus on what the updater will do!

mmc_updater/src/UpdateDialogAscii.cpp

@@ -0,0 +1,70 @@
+#include "UpdateDialogAscii.h"
+
+#include "AppInfo.h"
+#include "ProcessUtils.h"
+#include "StringUtils.h"
+
+const char* introMessage = 
+ "%s (ASCII-art edition)\n"
+ "====================================\n"
+ "\n"
+ "We have a nice graphical interface for the %s, but unfortunately\n"
+ "we can't show it to you :(\n"
+ "\n"
+ "You can fix this by installing the GTK 2 libraries.\n\n"
+ "Installing Updates...\n";
+
+void UpdateDialogAscii::init(int /* argc */, char** /* argv */)
+{
+	const char* path = "/tmp/update-progress";
+	m_output.open(path);
+
+	char message[4096];
+	sprintf(message,introMessage,AppInfo::name().c_str());
+	m_output << message;
+
+	std::string command = "xterm";
+	std::list<std::string> args;
+	args.push_back("-hold");
+	args.push_back("-T");
+	args.push_back(AppInfo::name());
+	args.push_back("-e");
+	args.push_back("tail");
+	args.push_back("-n+1");
+	args.push_back("-f");
+	args.push_back(path);
+
+	ProcessUtils::runAsync(command,args);
+}
+
+void UpdateDialogAscii::updateError(const std::string& errorMessage)
+{
+	m_mutex.lock();
+	m_output << "\nThere was a problem installing the update: " << errorMessage << std::endl;
+	m_mutex.unlock();
+}
+
+void UpdateDialogAscii::updateProgress(int percentage)
+{
+	m_mutex.lock();
+	m_output << "Update Progress: " << intToStr(percentage) << '%' << std::endl;
+	m_mutex.unlock();
+}
+
+void UpdateDialogAscii::updateFinished()
+{
+	m_mutex.lock();
+	m_output << "\nUpdate Finished.  You can now restart " << AppInfo::appName() << "." << std::endl;
+	m_mutex.unlock();
+
+	UpdateDialog::updateFinished();
+}
+
+void UpdateDialogAscii::quit()
+{
+}
+
+void UpdateDialogAscii::exec()
+{
+}
+