From 4a0caa2e78c7a170e9c8a6d5209e4cc46f526897 Mon Sep 17 00:00:00 2001
From: Kelvin Sherlock <ksherlock@gmail.com>
Date: Sat, 30 Apr 2022 10:17:57 -0400
Subject: [PATCH] Incomplete - started adding support for "Reinstall MAME
 components" menu item.

The main holdup is that the software list is loaded from those installed MAME components and reinstalling them would invalidate and require a reload.
---
 Ample/AppDelegate.m           | 72 +++++++++++++++++++++++++++++++++--
 Ample/Base.lproj/MainMenu.xib |  3 ++
 Ample/SoftwareList.h          |  2 +
 Ample/SoftwareList.m          |  8 +++-
 4 files changed, 81 insertions(+), 4 deletions(-)

diff --git a/Ample/AppDelegate.m b/Ample/AppDelegate.m
index 5c91a5a..2d57b7e 100644
--- a/Ample/AppDelegate.m
+++ b/Ample/AppDelegate.m
@@ -115,11 +115,11 @@
     
     dispatch_time_t when = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2 * NSEC_PER_SEC));
     [task setTerminationHandler: ^(NSTask *task){
-       
+
+        int st = [task terminationStatus];
+        // delay so the install window is visible, I think
         dispatch_after(when, dispatch_get_main_queue(), ^{
   
-            int st = [task terminationStatus];
-
             if (st) {
                 NSAlert *alert = [NSAlert new];
                 [alert setMessageText: @"An error occurred extracting MAME components"];
@@ -238,4 +238,70 @@
 }
 
 
+-(IBAction)installMameComponents:(id)sender {
+
+      
+      /* install the mame data components. */
+      NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
+      NSBundle *bundle = [NSBundle mainBundle];
+      NSURL *sd = SupportDirectory();
+
+      NSURL *ample_url = [sd URLByAppendingPathComponent: @"Ample.plist"];
+      NSMutableDictionary *d = [NSMutableDictionary dictionaryWithContentsOfURL: ample_url];
+      
+      //NSDate *oldDate = [d objectForKey: kMameComponentsDate];
+      NSDate *newDate = [defaults objectForKey: kMameComponentsDate];
+      if (![newDate isKindOfClass: [NSDate class]])
+          newDate = nil;
+      
+      NSString *path = [bundle pathForResource: @"mame-data" ofType: @"tgz"];
+      if (!path) return; // Ample Lite?
+
+      
+      NSWindow *win = _installWindow;
+      [win makeKeyAndOrderFront: nil];
+      NSTask *task = [NSTask new];
+      NSArray *argv = @[
+          @"xfz",
+          path
+      ];
+      if (@available(macOS 10.13, *)) {
+          [task setExecutableURL: [NSURL fileURLWithPath: @"/usr/bin/tar"]];
+          [task setCurrentDirectoryURL: sd];
+      } else {
+          [task setLaunchPath:  @"/usr/bin/tar"];
+          [task setCurrentDirectoryPath: SupportDirectoryPath()];
+      }
+      [task setArguments: argv];
+
+      
+      //dispatch_time_t when = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2 * NSEC_PER_SEC));
+      [task setTerminationHandler: ^(NSTask *task){
+
+          int st = [task terminationStatus];
+          dispatch_async(dispatch_get_main_queue(), ^{
+    
+              if (st) {
+                  NSAlert *alert = [NSAlert new];
+                  [alert setMessageText: @"An error occurred extracting MAME components"];
+                  [alert runModal];
+                  [win close];
+                  return;
+              }
+              
+              if (d) {
+                  [d setObject: newDate forKey: kMameComponentsDate];
+                  [d writeToURL: ample_url atomically: YES];
+              } else {
+                  [@{ kMameComponentsDate: newDate } writeToURL: ample_url atomically: YES];
+              }
+              [win close];
+              // need to reload the software list data.
+          });
+          
+      }];
+      [task launch];
+    
+}
+
 @end
diff --git a/Ample/Base.lproj/MainMenu.xib b/Ample/Base.lproj/MainMenu.xib
index 1ef203a..e6f90f9 100644
--- a/Ample/Base.lproj/MainMenu.xib
+++ b/Ample/Base.lproj/MainMenu.xib
@@ -45,6 +45,9 @@
                                 </connections>
                             </menuItem>
                             <menuItem isSeparatorItem="YES" id="VOq-y0-SEH"/>
+                            <menuItem title="Reinstall MAME components" hidden="YES" id="c3P-WT-eUP">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                            </menuItem>
                             <menuItem title="Preferences…" keyEquivalent="," id="BOF-NM-1cW">
                                 <connections>
                                     <action selector="displayPreferences:" target="Voe-Tx-rLC" id="Hsm-pX-sUc"/>
diff --git a/Ample/SoftwareList.h b/Ample/SoftwareList.h
index 427185a..131e326 100644
--- a/Ample/SoftwareList.h
+++ b/Ample/SoftwareList.h
@@ -39,6 +39,8 @@
 @interface SoftwareSet : NSObject <NSFastEnumeration, AutoCompleteDelegate>
 
 +(instancetype)softwareSetForMachine: (NSString *)machine;
++(void)invalidate;
+
 -(BOOL)nameIsUnique: (NSString *)name;
 
 -(NSString *)nameForSoftware: (Software *)software;
diff --git a/Ample/SoftwareList.m b/Ample/SoftwareList.m
index 63cddaf..0ad4272 100644
--- a/Ample/SoftwareList.m
+++ b/Ample/SoftwareList.m
@@ -512,9 +512,15 @@ NSArray<SoftwareList *> *SoftwareListForMachine(NSString *machine) {
     
 }
 
+
+static NSCache *cache;
++(void)invalidate {
+// called after mame components are updated.  clears the cache.
+    cache = nil;
+}
+
 +(instancetype)softwareSetForMachine:(NSString *)machine {
     
-    static NSCache *cache;
     
     if (!cache)
         cache = [NSCache new];