From de2dc037fd06faf733c39694e7814711e589795f Mon Sep 17 00:00:00 2001
From: kervala <devnull@localhost>
Date: Sun, 19 Jun 2016 20:50:23 +0200
Subject: [PATCH] Changed: Copy Installer in TEMP directory under Windows (to
 be able to uninstall it)

---
 .../tools/client/ryzom_installer/src/main.cpp | 18 +++++-
 .../client/ryzom_installer/src/utils.cpp      | 59 +++++++++++++++++--
 .../tools/client/ryzom_installer/src/utils.h  |  6 +-
 3 files changed, 76 insertions(+), 7 deletions(-)

diff --git a/code/ryzom/tools/client/ryzom_installer/src/main.cpp b/code/ryzom/tools/client/ryzom_installer/src/main.cpp
index 97ba78ce9..4c13e2d25 100644
--- a/code/ryzom/tools/client/ryzom_installer/src/main.cpp
+++ b/code/ryzom/tools/client/ryzom_installer/src/main.cpp
@@ -21,6 +21,7 @@
 #include "installdialog.h"
 #include "uninstalldialog.h"
 #include "operationdialog.h"
+#include "utils.h"
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -60,7 +61,22 @@ int main(int argc, char *argv[])
 	QApplication::setApplicationVersion(RYZOM_VERSION);
 	QApplication::setWindowIcon(QIcon(":/icons/ryzom.ico"));
 
-	// TODO: if not launched from TEMP dir, copy files to TEMP, restart it and exit 
+#if defined(Q_OS_WIN) && !defined(_DEBUG)
+	QString tempPath = QStandardPaths::writableLocation(QStandardPaths::TempLocation);
+
+	// check if launched from TEMP directory
+	if (QApplication::applicationDirPath() != tempPath)
+	{
+		// copy installer and required files to TEMP directory
+		if (copyInstallerExecutable(tempPath))
+		{
+			QString tempFile = tempPath + "/" + QFileInfo(QApplication::applicationFilePath()).fileName();
+
+			// launch copy in TEMP directory with same arguments
+			if (QProcess::startDetached(tempFile, QApplication::arguments())) return 0;
+		}
+	}
+#endif
 
 	QLocale locale = QLocale::system();
 
diff --git a/code/ryzom/tools/client/ryzom_installer/src/utils.cpp b/code/ryzom/tools/client/ryzom_installer/src/utils.cpp
index d9ebda4c0..ba65bd2ad 100644
--- a/code/ryzom/tools/client/ryzom_installer/src/utils.cpp
+++ b/code/ryzom/tools/client/ryzom_installer/src/utils.cpp
@@ -111,7 +111,7 @@ wchar_t* qToWide(const QString &str)
 //                Shell link, stored in the Comment field of the link
 //                properties.
 
-bool CreateLink(const QString &pathObj, const QString &pathLink, const QString &arguments, const QString &workingDir, const QString &desc)
+bool createLink(const QString &pathObj, const QString &pathLink, const QString &arguments, const QString &workingDir, const QString &desc)
 {
 	IShellLinkW* psl;
 
@@ -163,7 +163,7 @@ bool CreateLink(const QString &pathObj, const QString &pathLink, const QString &
 //                Shell link, stored in the Comment field of the link
 //                properties.
 
-bool ResolveLink(const QWidget &window, const QString &linkFile, QString &path)
+bool resolveLink(const QWidget &window, const QString &linkFile, QString &path)
 {
 	IShellLinkW* psl;
 	WIN32_FIND_DATAW wfd;
@@ -232,14 +232,65 @@ bool ResolveLink(const QWidget &window, const QString &linkFile, QString &path)
 
 #else
 
-bool CreateLink(const QString &pathObj, const QString &pathLink, const QString &arguments, const QString &workingDir, const QString &desc)
+bool createLink(const QString &pathObj, const QString &pathLink, const QString &arguments, const QString &workingDir, const QString &desc)
 {
+	// TODO: create .desktop file under Linux
+
 	return false;
 }
 
-bool ResolveLink(const QWidget &window, const QString &pathLink, QString &pathObj)
+bool resolveLink(const QWidget &window, const QString &pathLink, QString &pathObj)
 {
 	return false;
 }
 
 #endif
+
+bool copyInstallerExecutable(const QString &destination)
+{
+	QString path = QApplication::applicationDirPath();
+
+	QStringList files;
+#ifdef Q_OS_WIN
+
+	// VC++ runtimes
+#if _MSC_VER == 1900
+	files << "msvcp140.dll";
+	files << "msvcr140.dll";
+#else _MSC_VER == 1600
+	files << "msvcp100.dll";
+	files << "msvcr100.dll";
+#endif
+
+#else
+#endif
+
+	files << QFileInfo(QApplication::applicationFilePath()).fileName();
+
+	foreach(const QString &file, files)
+	{
+		// convert to absolute path
+		QString srcPath = path + "/" + file;
+		QString dstPath = destination + "/" + file;
+
+		if (QFile::exists(srcPath))
+		{
+			if (QFile::exists(dstPath))
+			{
+				if (!QFile::remove(dstPath))
+				{
+					qDebug() << "Unable to delete" << dstPath;
+				}
+			}
+
+			if (!QFile::copy(srcPath, dstPath))
+			{
+				qDebug() << "Unable to copy" << srcPath << "to" << dstPath;
+
+				return false;
+			}
+		}
+	}
+
+	return true;
+}
diff --git a/code/ryzom/tools/client/ryzom_installer/src/utils.h b/code/ryzom/tools/client/ryzom_installer/src/utils.h
index 6c2533076..c729ba2cb 100644
--- a/code/ryzom/tools/client/ryzom_installer/src/utils.h
+++ b/code/ryzom/tools/client/ryzom_installer/src/utils.h
@@ -48,7 +48,9 @@ QString qFromWide(const wchar_t *str);
 
 wchar_t* qToWide(const QString &str);
 
-bool CreateLink(const QString &pathObj, const QString &pathLink, const QString &arguments, const QString &workingDir, const QString &desc);
-bool ResolveLink(const QWidget &window, const QString &pathLink, QString &pathObj);
+bool createLink(const QString &pathObj, const QString &pathLink, const QString &arguments, const QString &workingDir, const QString &desc);
+bool resolveLink(const QWidget &window, const QString &pathLink, QString &pathObj);
+
+bool copyInstallerExecutable(const QString &destination);
 
 #endif