From a00d6a195fe9fc14afc7603af65f6fa6203d95f0 Mon Sep 17 00:00:00 2001
From: Christoph von Wittich <christoph_vw@reactos.org>
Date: Fri, 18 Jan 2008 22:23:52 +0000
Subject: [PATCH] add <Depends> and <PostInstallAction> to be able to install
 Diablo 2 Shareware with Download! TODO: write the req. fix which creates a
 new shortcut with -w -glide see <PostInstallAction> in the xml file

svn path=/trunk/; revision=31878
---
 rosapps/downloader/downloader.xml | 14 ++++++++
 rosapps/downloader/main.c         | 53 +++++++++++++++++++++++++++++++
 rosapps/downloader/structures.h   |  2 ++
 rosapps/downloader/xml.c          | 10 ++++++
 4 files changed, 79 insertions(+)

diff --git a/rosapps/downloader/downloader.xml b/rosapps/downloader/downloader.xml
index 16c524558f4..5a4fec425d1 100644
--- a/rosapps/downloader/downloader.xml
+++ b/rosapps/downloader/downloader.xml
@@ -102,6 +102,12 @@
 			<description>An Open Source bitmap graphics editor geared towards young children.</description>
 			<location>http://ovh.dl.sourceforge.net/sourceforge/tuxpaint/tuxpaint-0.9.18-win32-installer.exe</location>
 		</application>
+		<application name="zeckensack's glide wrapper">
+			<regname>GlidewrapZbag</regname>
+			<version>0.84c</version>
+			<description>glidewrapper needed to run Diablo 2 on ReactOS.</description>
+			<location>http://www.zeckensack.de/glide/archive/GlideWrapper084c.exe</location>
+		</application>
 	</category>
 	<category name="Multimedia" icon="4">
 	</category>
@@ -132,6 +138,14 @@
 			<description>SamNMax, Day of Tentacle, etc on ReactOS</description>
 			<location>http://ovh.dl.sourceforge.net/sourceforge/scummvm/scummvm-0.10.0-win32.exe</location>
 		</application>
+		<application name="Diablo 2 Shareware">
+			<regname>Diablo 2 Shareware</regname>
+			<version>1.4</version>
+			<description>Diablo 2 Shareware. zeckensack's glide wrapper is req. to run it.</description>
+			<location>http://ftp.freenet.de./pub/filepilot/windows/spiele/diabloiidemo.exe</location>
+			<depends>GlidewrapZbag</depends>
+			<postinstallaction>http://svn.reactos.org/fixes/diablo2fix.exe</postinstallaction>
+		</application>
 		<application name="Tile World">
 			<description>Nice Clone of Chip's Challenge originally made for the Atari Lynx. Includes free CCLP2 Graphics Pack, so you dont need the copyrighted Original.</description>
 			<location>http://www.muppetlabs.com/~breadbox/pub/software/tworld/tworld-1.3.0-win32-CCLP2.exe</location>
diff --git a/rosapps/downloader/main.c b/rosapps/downloader/main.c
index 0bcb8483805..dd75784b6e3 100644
--- a/rosapps/downloader/main.c
+++ b/rosapps/downloader/main.c
@@ -635,10 +635,39 @@ ProfDlgProc(HWND hDlg,
     return FALSE;
 }
 
+BOOL IsApplicationInstalled(struct Application* App)
+{
+	WCHAR Uninstaller[200];
+	if(StrCmpW(App->RegName, L"")) {
+		if(getUninstaller(App->RegName, Uninstaller)) {
+			return TRUE;
+		}
+	}
+	return FALSE;
+}
+
+struct Application* GetDependency(const WCHAR* Dependency)
+{
+	struct Category* Category = Root.Children;
+
+	while (Category->Next)
+	{
+		while (Category->Apps)
+		{
+			if(StrCmpW(Category->Apps->Name, Dependency) == 0)
+				return Category->Apps;
+			Category->Apps = Category->Apps->Next;
+		}
+		Category = Category->Next;
+	}
+	return NULL;
+}
+
 LRESULT CALLBACK
 WndProc (HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam)
 {
 	static RECT DescriptionRect;
+	struct Application* AppToInstall;
 
 	switch (Message)
 	{
@@ -683,7 +712,31 @@ WndProc (HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam)
 				if (lParam == (LPARAM)hDownloadButton)
 				{
 					if(SelectedApplication)
+					{
+						/* install dependencies */
+						if(StrCmpW(SelectedApplication->Depends, L""))
+						{
+							AppToInstall = SelectedApplication;
+							SelectedApplication = GetDependency(SelectedApplication->Depends);
+							if (!IsApplicationInstalled(SelectedApplication))
+							{
+								DialogBoxW(GetModuleHandle(NULL), MAKEINTRESOURCEW(IDD_DOWNLOAD), 0, DownloadProc);
+							}
+							SelectedApplication = AppToInstall;
+						}
+
+						/* download and install the app */
 						DialogBoxW(GetModuleHandle(NULL), MAKEINTRESOURCEW(IDD_DOWNLOAD), 0, DownloadProc);
+						
+						/* install req. hacks to get it working */
+						if(StrCmpW(SelectedApplication->PostInstallAction, L""))
+						{
+							AppToInstall = SelectedApplication;
+							CopyMemory(SelectedApplication->Location, SelectedApplication->PostInstallAction, sizeof(SelectedApplication->Location));
+							DialogBoxW(GetModuleHandle(NULL), MAKEINTRESOURCEW(IDD_DOWNLOAD), 0, DownloadProc);
+							SelectedApplication = AppToInstall;
+						}
+					}
 					else
 						ShowMessage(Strings[IDS_NO_APP_TITLE], Strings[IDS_NO_APP]);
 				}
diff --git a/rosapps/downloader/structures.h b/rosapps/downloader/structures.h
index 3044ce58506..67d0d48c7de 100644
--- a/rosapps/downloader/structures.h
+++ b/rosapps/downloader/structures.h
@@ -8,6 +8,8 @@ struct Application
 	WCHAR Licence[0x100];
 	WCHAR Description[0x400];
 	WCHAR Location[0x100];
+	WCHAR Depends[0x100];
+	WCHAR PostInstallAction[0x100];
 	struct Application* Next;
 };
 
diff --git a/rosapps/downloader/xml.c b/rosapps/downloader/xml.c
index c05f3e6ae75..09c05fb0515 100644
--- a/rosapps/downloader/xml.c
+++ b/rosapps/downloader/xml.c
@@ -134,6 +134,16 @@ void text (void* usrdata, const char* data, int len)
 		int currentlengt = lstrlenW(CurrentApplication->Licence);
 		MultiByteToWideChar(CP_UTF8, 0, data, len, &CurrentApplication->Licence[currentlengt], 0x100-currentlengt);
 	}
+	else if(!strcmp(CurrentTag, "depends"))
+	{
+		int currentlengt = lstrlenW(CurrentApplication->Depends);
+		MultiByteToWideChar(CP_UTF8, 0, data, len, &CurrentApplication->Depends[currentlengt], 0x100-currentlengt);
+	}
+	else if(!strcmp(CurrentTag, "postinstallaction"))
+	{
+		int currentlengt = lstrlenW(CurrentApplication->PostInstallAction);
+		MultiByteToWideChar(CP_UTF8, 0, data, len, &CurrentApplication->PostInstallAction[currentlengt], 0x100-currentlengt);
+	}
 }
 
 void tag_closed (void* tree, const char* tag)