]> git.saurik.com Git - cydia.git/blobdiff - MobileCydia.mm
Do not show ProgressController Close if running.
[cydia.git] / MobileCydia.mm
index c7c9ab495080abeabe05f55641d0faad2834caed..b6a51d54c1b40ce5a788e292220762cc02577d98 100644 (file)
@@ -288,8 +288,9 @@ static _finline void UpdateExternalStatus(uint64_t newStatus) {
 
     NSRunLoop *loop([NSRunLoop currentRunLoop]);
     NSDate *future([NSDate distantFuture]);
+    NSString *mode([loop currentMode] ?: NSDefaultRunLoopMode);
 
-    while (!stopped && [loop runMode:NSDefaultRunLoopMode beforeDate:future]);
+    while (!stopped && [loop runMode:mode beforeDate:future]);
 
     return [context count] == 0 ? nil : [context objectAtIndex:0];
 }
@@ -564,6 +565,21 @@ void CFArrayInsertionSortValues(CFMutableArrayRef array, CFRange range, CFCompar
 @end
 /* }}} */
 
+@interface NSInvocation (Cydia)
++ (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target;
+@end
+
+@implementation NSInvocation (Cydia)
+
++ (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target {
+    NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[target methodSignatureForSelector:selector]]);
+    [invocation setTarget:target];
+    [invocation setSelector:selector];
+    return invocation;
+}
+
+@end
+
 @implementation WebScriptObject (NSFastEnumeration)
 
 - (NSUInteger) countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)objects count:(NSUInteger)count {
@@ -1119,22 +1135,12 @@ bool isSectionVisible(NSString *section) {
 /* Delegate Prototypes {{{ */
 @class Package;
 @class Source;
+@class CydiaProgressEvent;
 
-@interface NSObject (ProgressDelegate)
-@end
-
-@protocol ProgressDelegate
-- (void) setProgressError:(NSString *)error withTitle:(NSString *)id;
-- (void) setProgressTitle:(NSString *)title;
-- (void) setProgressPercent:(NSNumber *)percent;
-- (void) startProgress;
-- (void) addProgressOutput:(NSString *)output;
-- (bool) isCancelling:(size_t)received;
-@end
-
-@protocol ConfigurationDelegate
+@protocol DatabaseDelegate
 - (void) repairWithSelector:(SEL)selector;
 - (void) setConfigurationData:(NSString *)data;
+- (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task;
 @end
 
 @class CYPackageController;
@@ -1160,24 +1166,58 @@ bool isSectionVisible(NSString *section) {
 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item;
 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
 @end
-
-static id<CydiaDelegate> CydiaApp;
 /* }}} */
 
+/* ProgressEvent Interface/Delegate {{{ */
+@interface CydiaProgressEvent : NSObject {
+    _H<NSString> message_;
+    _H<NSString> type_;
+    _H<NSString> package_;
+    _H<NSString> uri_;
+}
+
++ (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type;
++ (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package;
+
+- (id) initWithMessage:(NSString *)message ofType:(NSString *)type;
+
+- (NSString *) message;
+- (NSString *) type;
+- (NSString *) package;
+- (NSString *) uri;
+
+- (void) setPackage:(NSString *)package;
+
+- (NSString *) compound:(NSString *)value;
+- (NSString *) compoundMessage;
+- (NSString *) compoundTitle;
+
+@end
+
+@protocol ProgressDelegate
+- (void) addProgressEvent:(CydiaProgressEvent *)event;
+- (void) setProgressPercent:(NSNumber *)percent;
+- (void) setProgressCancellable:(NSNumber *)cancellable;
+- (bool) isProgressCancelled;
+- (void) setTitle:(NSString *)title;
+@end
+/* }}} */
 /* Status Delegation {{{ */
 class Status :
     public pkgAcquireStatus
 {
   private:
     _transient NSObject<ProgressDelegate> *delegate_;
+    bool cancelled_;
 
   public:
     Status() :
-        delegate_(nil)
+        delegate_(nil),
+        cancelled_(false)
     {
     }
 
-    void setDelegate(id delegate) {
+    void setDelegate(NSObject<ProgressDelegate> *delegate) {
         delegate_ = delegate;
     }
 
@@ -1193,12 +1233,9 @@ class Status :
     }
 
     virtual void Fetch(pkgAcquire::ItemDesc &item) {
-        //NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
-        [delegate_
-            performSelectorOnMainThread:@selector(setProgressTitle:)
-            withObject:[NSString stringWithFormat:UCLocalize("DOWNLOADING_"), [NSString stringWithUTF8String:item.ShortDesc.c_str()]]
-            waitUntilDone:YES
-        ];
+        NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
+        CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:UCLocalize("DOWNLOADING_"), name] ofType:@"STATUS"]);
+        [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
     }
 
     virtual void Done(pkgAcquire::ItemDesc &item) {
@@ -1215,17 +1252,12 @@ class Status :
         if (error.empty())
             return;
 
-        NSString *description([NSString stringWithUTF8String:item.Description.c_str()]);
-        NSArray *fields([description componentsSeparatedByString:@" "]);
-        NSString *source([fields count] == 0 ? nil : [fields objectAtIndex:0]);
+        //NSString *description([NSString stringWithUTF8String:item.Description.c_str()]);
+        //NSArray *fields([description componentsSeparatedByString:@" "]);
+        //NSString *source([fields count] == 0 ? nil : [fields objectAtIndex:0]);
 
-        [delegate_ performSelectorOnMainThread:@selector(_setProgressErrorPackage:)
-            withObject:[NSArray arrayWithObjects:
-                [NSString stringWithUTF8String:error.c_str()],
-                source,
-            nil]
-            waitUntilDone:YES
-        ];
+        CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:@"ERROR"]);
+        [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
     }
 
     virtual bool Pulse(pkgAcquire *Owner) {
@@ -1236,59 +1268,30 @@ class Status :
             double(TotalBytes + TotalItems)
         );
 
-        [delegate_ setProgressPercent:[NSNumber numberWithFloat:percent]];
-        return [delegate_ isCancelling:CurrentBytes] ? false : value;
-    }
-
-    virtual void Start() {
-        [delegate_ startProgress];
-    }
-
-    virtual void Stop() {
-    }
-};
-/* }}} */
-/* Progress Delegation {{{ */
-class Progress :
-    public OpProgress
-{
-  private:
-    _transient id<ProgressDelegate> delegate_;
-    float percent_;
-
-  protected:
-    virtual void Update() {
-        /*if (abs(Percent - percent_) > 2)
-            //NSLog(@"%s:%s:%f", Op.c_str(), SubOp.c_str(), Percent);
-            percent_ = Percent;
-        }*/
-
-        //[delegate_ performSelectorOnMainThread:@selector(setProgressTitle:) withObject:[NSString stringWithUTF8String:Op.c_str()] waitUntilDone:YES];
-        //[delegate_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(Percent / 100)] waitUntilDone:YES];
-    }
-
-  public:
-    Progress() :
-        delegate_(nil),
-        percent_(0)
-    {
+        [delegate_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:percent] waitUntilDone:YES];
+        if (value && ![delegate_ isProgressCancelled])
+            return true;
+        else {
+            cancelled_ = true;
+            return false;
+        }
     }
 
-    void setDelegate(id delegate) {
-        delegate_ = delegate;
+    _finline bool WasCancelled() const {
+        return cancelled_;
     }
 
-    id getDelegate() const {
-        return delegate_;
+    virtual void Start() {
+        pkgAcquireStatus::Start();
+        [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:YES] waitUntilDone:YES];
     }
 
-    virtual void Done() {
-        //NSLog(@"DONE");
-        //[delegate_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:1] waitUntilDone:YES];
+    virtual void Stop() {
+        pkgAcquireStatus::Stop();
+        [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:YES];
     }
 };
 /* }}} */
-
 /* Database Interface {{{ */
 typedef std::map< unsigned long, _H<Source> > SourceMap;
 
@@ -1312,9 +1315,10 @@ typedef std::map< unsigned long, _H<Source> > SourceMap;
 
     CFMutableArrayRef packages_;
 
-    _transient NSObject<ConfigurationDelegate, ProgressDelegate> *delegate_;
+    _transient NSObject<DatabaseDelegate> *delegate_;
+    _transient NSObject<ProgressDelegate> *progress_;
+
     Status status_;
-    Progress progress_;
 
     int cydiafd_;
     int statusfd_;
@@ -1353,44 +1357,106 @@ typedef std::map< unsigned long, _H<Source> > SourceMap;
 
 - (void) updateWithStatus:(Status &)status;
 
-- (void) setDelegate:(id)delegate;
+- (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate;
+
+- (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate;
+- (NSObject<ProgressDelegate> *) progressDelegate;
+
 - (Source *) getSource:(pkgCache::PkgFileIterator)file;
 
 - (NSString *) mappedSectionForPointer:(const char *)pointer;
 
 @end
 /* }}} */
-/* Delegate Helpers {{{ */
-@implementation NSObject (ProgressDelegate)
+/* ProgressEvent Implementation {{{ */
+@implementation CydiaProgressEvent
 
-- (void) _setProgressErrorPackage:(NSArray *)args {
-    [self performSelector:@selector(setProgressError:forPackage:)
-        withObject:[args objectAtIndex:0]
-        withObject:([args count] == 1 ? nil : [args objectAtIndex:1])
-    ];
++ (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type {
+    return [[[CydiaProgressEvent alloc] initWithMessage:message ofType:type] autorelease];
 }
 
-- (void) _setProgressErrorTitle:(NSArray *)args {
-    [self performSelector:@selector(setProgressError:withTitle:)
-        withObject:[args objectAtIndex:0]
-        withObject:([args count] == 1 ? nil : [args objectAtIndex:1])
-    ];
++ (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package {
+    CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
+    [event setPackage:package];
+    return event;
 }
 
-- (void) _setProgressError:(NSString *)error withTitle:(NSString *)title {
-    [self performSelectorOnMainThread:@selector(_setProgressErrorTitle:)
-        withObject:[NSArray arrayWithObjects:error, title, nil]
-        waitUntilDone:YES
-    ];
++ (NSArray *) _attributeKeys {
+    return [NSArray arrayWithObjects:
+        @"message",
+        @"package",
+        @"type",
+        @"uri",
+    nil];
 }
 
-- (void) setProgressError:(NSString *)error forPackage:(NSString *)id {
-    Package *package = id == nil ? nil : [[Database sharedInstance] packageWithName:id];
+- (NSArray *) attributeKeys {
+    return [[self class] _attributeKeys];
+}
 
-    [self performSelector:@selector(setProgressError:withTitle:)
-        withObject:error
-        withObject:(package == nil ? id : [package name])
-    ];
++ (BOOL) isKeyExcludedFromWebScript:(const char *)name {
+    return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
+}
+
+- (id) initWithMessage:(NSString *)message ofType:(NSString *)type {
+    if ((self = [super init]) != nil) {
+        message_ = message;
+        type_ = type;
+    } return self;
+}
+
+- (NSString *) message {
+    return message_;
+}
+
+- (NSString *) type {
+    return type_;
+}
+
+- (NSString *) package {
+    return package_;
+}
+
+- (NSString *) uri {
+    return uri_;
+}
+
+- (void) setPackage:(NSString *)package {
+    package_ = package;
+}
+
+- (NSString *) compound:(NSString *)value {
+    if (value != nil) {
+        NSString *mode(nil); {
+            NSString *type([self type]);
+            if ([type isEqualToString:@"ERROR"])
+                mode = UCLocalize("ERROR");
+            else if ([type isEqualToString:@"WARNING"])
+                mode = UCLocalize("WARNING");
+        }
+
+        if (mode != nil)
+            value = [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), mode, value];
+    }
+
+    return value;
+}
+
+- (NSString *) compoundMessage {
+    return [self compound:[self message]];
+}
+
+- (NSString *) compoundTitle {
+    NSString *title;
+
+    if (package_ == nil)
+        title = nil;
+    else if (Package *package = [[Database sharedInstance] packageWithName:package_])
+        title = [package name];
+    else
+        title = package_;
+
+    return [self compound:title];
 }
 
 @end
@@ -3270,25 +3336,25 @@ static NSString *Warning_;
 
         if (conffile_r(data, size))
             [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:conffile_r[1] waitUntilDone:YES];
-        else if (strncmp(data, "status: ", 8) == 0)
-            [delegate_ performSelectorOnMainThread:@selector(setProgressTitle:) withObject:[NSString stringWithUTF8String:(data + 8)] waitUntilDone:YES];
-        else if (pmstatus_r(data, size)) {
+        else if (strncmp(data, "status: ", 8) == 0) {
+            CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 8)] ofType:@"STATUS"]);
+            [progress_ performSelectorOnMainThread:@selector(addProgressEvent) withObject:event waitUntilDone:YES];
+        } else if (pmstatus_r(data, size)) {
             std::string type([pmstatus_r[1] UTF8String]);
-            NSString *id = pmstatus_r[2];
+            NSString *package = pmstatus_r[2];
 
             float percent([pmstatus_r[3] floatValue]);
-            [delegate_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(percent / 100)] waitUntilDone:YES];
+            [progress_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(percent / 100)] waitUntilDone:YES];
 
             NSString *string = pmstatus_r[4];
 
-            if (type == "pmerror")
-                [delegate_ performSelectorOnMainThread:@selector(_setProgressErrorPackage:)
-                    withObject:[NSArray arrayWithObjects:string, id, nil]
-                    waitUntilDone:YES
-                ];
-            else if (type == "pmstatus")
-                [delegate_ performSelectorOnMainThread:@selector(setProgressTitle:) withObject:string waitUntilDone:YES];
-            else if (type == "pmconffile")
+            if (type == "pmerror") {
+                CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:@"ERROR" forPackage:package]);
+                [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
+            } else if (type == "pmstatus") {
+                CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:@"STATUS" forPackage:package]);
+                [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
+            } else if (type == "pmconffile")
                 [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:string waitUntilDone:YES];
             else
                 lprintf("E:unknown pmstatus\n");
@@ -3307,7 +3373,8 @@ static NSString *Warning_;
     while (std::getline(is, line)) {
         lprintf("O:%s\n", line.c_str());
 
-        [delegate_ performSelectorOnMainThread:@selector(addProgressOutput:) withObject:[NSString stringWithUTF8String:line.c_str()] waitUntilDone:YES];
+        CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:line.c_str()] ofType:@"INFORMATION"]);
+        [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
     }
 
     _assume(false);
@@ -3427,29 +3494,25 @@ static NSString *Warning_;
 
 - (bool) popErrorWithTitle:(NSString *)title {
     bool fatal(false);
-    std::string message;
 
     while (!_error->empty()) {
         std::string error;
         bool warning(!_error->PopMessage(error));
         if (!warning)
             fatal = true;
+
         for (;;) {
             size_t size(error.size());
             if (size == 0 || error[size - 1] != '\n')
                 break;
             error.resize(size - 1);
         }
+
         lprintf("%c:[%s]\n", warning ? 'W' : 'E', error.c_str());
 
-        if (!message.empty())
-            message += "\n\n";
-        message += error;
+        [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? @"WARNING" : @"ERROR")] forTask:title];
     }
 
-    if (fatal && !message.empty())
-        [delegate_ _setProgressError:[NSString stringWithUTF8String:message.c_str()] withTitle:[NSString stringWithFormat:Colon_, fatal ? Error_ : Warning_, title]];
-
     return fatal;
 }
 
@@ -3499,7 +3562,8 @@ static NSString *Warning_;
     NSString *title(UCLocalize("DATABASE"));
 
     _trace();
-    while (!cache_.Open(progress_, true)) { pop:
+    OpProgress progress;
+    while (!cache_.Open(progress, true)) { pop:
         std::string error;
         bool warning(!_error->PopMessage(error));
         lprintf("cache_.Open():[%s]\n", error.c_str());
@@ -3509,11 +3573,10 @@ static NSString *Warning_;
         else if (error == "The package lists or status file could not be parsed or opened.")
             [delegate_ repairWithSelector:@selector(update)];
         // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
-        else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
-            [delegate_ _setProgressError:[NSString stringWithUTF8String:error.c_str()] withTitle:[NSString stringWithFormat:Colon_, Error_, title]];
+        // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
         // else if (error == "The list of sources could not be read.")
         else {
-            [delegate_ _setProgressError:[NSString stringWithUTF8String:error.c_str()] withTitle:[NSString stringWithFormat:Colon_, warning ? Warning_ : Error_, title]];
+            [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? @"WARNING" : @"ERROR")] forTask:title];
             return;
         }
 
@@ -3538,7 +3601,7 @@ static NSString *Warning_;
         return;
 
     if (cache_->DelCount() != 0 || cache_->InstCount() != 0) {
-        [delegate_ _setProgressError:@"COUNTS_NONZERO_EX" withTitle:title];
+        [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("COUNTS_NONZERO_EX") ofType:@"ERROR"] forTask:title];
         return;
     }
 
@@ -3550,7 +3613,7 @@ static NSString *Warning_;
             return;
 
         if (cache_->BrokenCount() != 0) {
-            [delegate_ _setProgressError:@"STILL_BROKEN_EX" withTitle:title];
+            [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("STILL_BROKEN_EX") ofType:@"ERROR"] forTask:title];
             return;
         }
 
@@ -3713,13 +3776,14 @@ static NSString *Warning_;
             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
     }
 
+    [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
+
     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
         _trace();
+        [self popErrorWithTitle:title];
         return;
     }
 
-    [(id)CydiaApp performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
-
     bool failed = false;
     for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
         if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
@@ -3727,21 +3791,10 @@ static NSString *Warning_;
         if ((*item)->Status == pkgAcquire::Item::StatIdle)
             continue;
 
-        std::string uri = (*item)->DescURI();
-        std::string error = (*item)->ErrorText;
-
-        lprintf("pAf:%s:%s\n", uri.c_str(), error.c_str());
         failed = true;
-
-        [delegate_ performSelectorOnMainThread:@selector(_setProgressErrorPackage:)
-            withObject:[NSArray arrayWithObjects:
-                [NSString stringWithUTF8String:error.c_str()],
-            nil]
-            waitUntilDone:YES
-        ];
     }
 
-    [(id)CydiaApp performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
+    [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
 
     if (failed) {
         _trace();
@@ -3793,30 +3846,42 @@ static NSString *Warning_;
 }
 
 - (void) updateWithStatus:(Status &)status {
-    _transient NSObject<ProgressDelegate> *delegate(status.getDelegate());
     NSString *title(UCLocalize("REFRESHING_DATA"));
 
     pkgSourceList list;
-    if (!list.ReadMainList())
-        [delegate _setProgressError:@"Unable to read source list." withTitle:title];
+    if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
+        return;
 
     FileFd lock;
     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
     if ([self popErrorWithTitle:title])
         return;
 
-    if ([self popErrorWithTitle:title forOperation:ListUpdate(status, list, PulseInterval_)])
-        /* XXX: ignore this because users suck and don't understand why refreshing is important: return */
-        /* XXX: why the hell is an empty if statement a clang error? */ (void) 0;
+    [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
+
+    bool success(ListUpdate(status, list, PulseInterval_));
+    if (status.WasCancelled())
+        _error->Discard();
+    else
+        [self popErrorWithTitle:title forOperation:success];
+
+    [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
 
     [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
     Changed_ = true;
 }
 
-- (void) setDelegate:(id)delegate {
+- (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate {
     delegate_ = delegate;
+}
+
+- (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate {
+    progress_ = delegate;
     status_.setDelegate(delegate);
-    progress_.setDelegate(delegate);
+}
+
+- (NSObject<ProgressDelegate> *) progressDelegate {
+    return progress_;
 }
 
 - (Source *) getSource:(pkgCache::PkgFileIterator)file {
@@ -3954,6 +4019,10 @@ static NSString *Warning_;
         return @"localize";
     else if (selector == @selector(refreshSources))
         return @"refreshSources";
+    else if (selector == @selector(removeButton))
+        return @"removeButton";
+    else if (selector == @selector(scrollToBottom:))
+        return @"scrollToBottom";
     else if (selector == @selector(setButtonImage:withStyle:toFunction:))
         return @"setButtonImage";
     else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
@@ -4108,6 +4177,10 @@ static NSString *Warning_;
     [delegate_ performSelectorOnMainThread:@selector(installPackages:) withObject:packages waitUntilDone:NO];
 }
 
+- (void) removeButton {
+    [indirect_ removeButton];
+}
+
 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
     [indirect_ setButtonImage:button withStyle:style toFunction:function];
 }
@@ -4133,6 +4206,10 @@ static NSString *Warning_;
     [indirect_ setPopupHook:function];
 }
 
+- (void) scrollToBottom:(NSNumber *)animated {
+    [indirect_ performSelectorOnMainThread:@selector(scrollToBottomAnimated:) withObject:animated waitUntilDone:NO];
+}
+
 - (void) setViewportWidth:(float)width {
     [indirect_ setViewportWidthOnMainThread:width];
 }
@@ -4159,9 +4236,9 @@ static NSString *Warning_;
 
 /* @ Loading... Indicator {{{ */
 @interface CYLoadingIndicator : UIView {
-    UIActivityIndicatorView *spinner_;
-    UILabel *label_;
-    UIView *container_;
+    _H<UIActivityIndicatorView> spinner_;
+    _H<UILabel> label_;
+    _H<UIView> container_;
 }
 
 @property (readonly, nonatomic) UILabel *label;
@@ -4225,57 +4302,20 @@ static NSString *Warning_;
 @end
 /* }}} */
 /* Emulated Loading Controller {{{ */
-@interface CYEmulatedLoadingController : CYViewController <
-    ProgressDelegate,
-    ConfigurationDelegate
-> {
+@interface CYEmulatedLoadingController : CYViewController {
     _transient Database *database_;
-    CYLoadingIndicator *indicator_;
-    UITabBar *tabbar_;
-    UINavigationBar *navbar_;
+    _H<CYLoadingIndicator> indicator_;
+    _H<UITabBar> tabbar_;
+    _H<UINavigationBar> navbar_;
 }
 
 @end
 
 @implementation CYEmulatedLoadingController
 
-- (void) dealloc {
-    [self releaseSubviews];
-    [database_ setDelegate:nil];
-
-    [super dealloc];
-}
-
-- (void) setProgressError:(NSString *)error withTitle:(NSString *)title {
-    CYAlertView *sheet([[[CYAlertView alloc]
-        initWithTitle:title
-        buttons:[NSArray arrayWithObjects:UCLocalize("OKAY"), nil]
-        defaultButtonIndex:0
-    ] autorelease]);
-
-    [sheet setMessage:error];
-    [sheet yieldToPopupAlertAnimated:YES];
-    [sheet dismiss];
-}
-
-- (void) setProgressTitle:(NSString *)title { }
-- (void) setProgressPercent:(NSNumber *)percent { }
-- (void) startProgress { }
-- (void) addProgressOutput:(NSString *)output { }
-- (bool) isCancelling:(size_t)received { return NO; }
-- (void) setConfigurationData:(NSString *)data { }
-
-- (void) repairWithSelector:(SEL)selector {
-    [[indicator_ label] performSelectorOnMainThread:@selector(setText:) withObject:[NSString stringWithFormat:Elision_, UCLocalize("REPAIRING"), nil] waitUntilDone:YES];
-    [database_ performSelector:selector];
-    sleep(10);
-    [[indicator_ label] performSelectorOnMainThread:@selector(setText:) withObject:[NSString stringWithFormat:Elision_, UCLocalize("LOADING"), nil] waitUntilDone:YES];
-}
-
 - (id) initWithDatabase:(Database *)database {
     if ((self = [super init]) != nil) {
         database_ = database;
-        [database_ setDelegate:self];
     } return self;
 }
 
@@ -4283,29 +4323,24 @@ static NSString *Warning_;
     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
     [[self view] setBackgroundColor:[UIColor pinStripeColor]];
 
-    indicator_ = [[CYLoadingIndicator alloc] initWithFrame:[[self view] bounds]];
+    indicator_ = [[[CYLoadingIndicator alloc] initWithFrame:[[self view] bounds]] autorelease];
     [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
     [[self view] addSubview:indicator_];
 
-    tabbar_ = [[UITabBar alloc] initWithFrame:CGRectMake(0, 0, 0, 49.0f)];
+    tabbar_ = [[[UITabBar alloc] initWithFrame:CGRectMake(0, 0, 0, 49.0f)] autorelease];
     [tabbar_ setFrame:CGRectMake(0.0f, [[self view] bounds].size.height - [tabbar_ bounds].size.height, [[self view] bounds].size.width, [tabbar_ bounds].size.height)];
     [tabbar_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth];
     [[self view] addSubview:tabbar_];
 
-    navbar_ = [[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, 0, 44.0f)];
+    navbar_ = [[[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, 0, 44.0f)] autorelease];
     [navbar_ setFrame:CGRectMake(0.0f, 0.0f, [[self view] bounds].size.width, [navbar_ bounds].size.height)];
     [navbar_ setAutoresizingMask:UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleWidth];
     [[self view] addSubview:navbar_];
 }
 
 - (void) releaseSubviews {
-    [indicator_ release];
     indicator_ = nil;
-
-    [tabbar_ release];
     tabbar_ = nil;
-
-    [navbar_ release];
     navbar_ = nil;
 }
 
@@ -4753,195 +4788,173 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 /* }}} */
 
 /* Progress Data {{{ */
-@interface ProgressData : NSObject {
-    SEL selector_;
-    // XXX: should these really both be _transient?
-    _transient id target_;
-    _transient id object_;
-}
+@interface CydiaProgressData : NSObject {
+    _transient id delegate_;
+
+    bool running_;
+    float progress_;
 
-- (ProgressData *) initWithSelector:(SEL)selector target:(id)target object:(id)object;
+    _H<NSMutableArray> events_;
+    _H<NSString> title_;
 
-- (SEL) selector;
-- (id) target;
-- (id) object;
+    _H<NSString> status_;
+    _H<NSString> finish_;
+}
 
 @end
 
-@implementation ProgressData
+@implementation CydiaProgressData
+
++ (NSArray *) _attributeKeys {
+    return [NSArray arrayWithObjects:
+        @"events",
+        @"finish",
+        @"progress",
+        @"running",
+        @"title",
+    nil];
+}
+
+- (NSArray *) attributeKeys {
+    return [[self class] _attributeKeys];
+}
+
++ (BOOL) isKeyExcludedFromWebScript:(const char *)name {
+    return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
+}
 
-- (ProgressData *) initWithSelector:(SEL)selector target:(id)target object:(id)object {
+- (id) init {
     if ((self = [super init]) != nil) {
-        selector_ = selector;
-        target_ = target;
-        object_ = object;
+        events_ = [NSMutableArray arrayWithCapacity:32];
     } return self;
 }
 
-- (SEL) selector {
-    return selector_;
+- (void) setDelegate:(id)delegate {
+    delegate_ = delegate;
+}
+
+- (void) setProgress:(float)value {
+    progress_ = value;
+}
+
+- (NSNumber *) progress {
+    return [NSNumber numberWithFloat:progress_];
+}
+
+- (NSArray *) events {
+    return events_;
 }
 
-- (id) target {
-    return target_;
+- (void) removeAllEvents {
+    [events_ removeAllObjects];
 }
 
-- (id) object {
-    return object_;
+- (void) addEvent:(CydiaProgressEvent *)event {
+    [events_ addObject:event];
+}
+
+- (void) setTitle:(NSString *)text {
+    title_ = text;
+}
+
+- (NSString *) title {
+    return title_;
+}
+
+- (void) setFinish:(NSString *)text {
+    finish_ = text;
+}
+
+- (NSString *) finish {
+    return (id) finish_ ?: [NSNull null];
+}
+
+- (void) setRunning:(bool)running {
+    running_ = running;
+}
+
+- (NSNumber *) running {
+    return running_ ? (NSNumber *) kCFBooleanTrue : (NSNumber *) kCFBooleanFalse;
 }
 
 @end
 /* }}} */
 /* Progress Controller {{{ */
-@interface ProgressController : CYViewController <
-    ConfigurationDelegate,
+@interface ProgressController : CYBrowserController <
     ProgressDelegate
 > {
     _transient Database *database_;
-    UIProgressBar *progress_;
-    UITextView *output_;
-    UITextLabel *status_;
-    UIPushButton *close_;
-    BOOL running_;
-    SHA1SumValue springlist_;
-    SHA1SumValue notifyconf_;
-    NSString *title_;
+    _H<CydiaProgressData> progress_;
+    unsigned cancel_;
 }
 
 - (id) initWithDatabase:(Database *)database delegate:(id)delegate;
 
-- (void) _retachThread;
-- (void) detachNewThreadSelector:(SEL)selector toTarget:(id)target withObject:(id)object title:(NSString *)title;
+- (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title;
 
-- (BOOL) isRunning;
+- (void) setTitle:(NSString *)title;
+- (void) setCancellable:(bool)cancellable;
 
 @end
 
-@protocol ProgressControllerDelegate
-- (void) progressControllerIsComplete:(ProgressController *)sender;
-@end
-
 @implementation ProgressController
 
 - (void) dealloc {
-    [database_ setDelegate:nil];
-    [progress_ release];
-    [output_ release];
-    [status_ release];
-    [close_ release];
-    if (title_ != nil)
-        [title_ release];
+    [database_ setProgressDelegate:nil];
+    [progress_ setDelegate:nil];
     [super dealloc];
 }
 
 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
     if ((self = [super init]) != nil) {
         database_ = database;
-        [database_ setDelegate:self];
         delegate_ = delegate;
 
-        [[self view] setBackgroundColor:[UIColor colorWithRed:0.0f green:0.0f blue:0.0f alpha:1.0f]];
+        [database_ setProgressDelegate:self];
 
-        progress_ = [[UIProgressBar alloc] init];
-        [progress_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin)];
-        [progress_ setStyle:0];
-
-        status_ = [[UITextLabel alloc] init];
-        [status_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin)];
-        [status_ setColor:[UIColor whiteColor]];
-        [status_ setBackgroundColor:[UIColor clearColor]];
-        [status_ setCentersHorizontally:YES];
-        //[status_ setFont:font];
-
-        output_ = [[UITextView alloc] init];
-        [output_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
-        //[output_ setTextFont:@"Courier New"];
-        [output_ setFont:[[output_ font] fontWithSize:12]];
-        [output_ setTextColor:[UIColor whiteColor]];
-        [output_ setBackgroundColor:[UIColor clearColor]];
-        [output_ setMarginTop:0];
-        [output_ setAllowsRubberBanding:YES];
-        [output_ setEditable:NO];
-        [[self view] addSubview:output_];
-
-        close_ = [[UIPushButton alloc] init];
-        [close_ setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin)];
-        [close_ setAutosizesToFit:NO];
-        [close_ setDrawsShadow:YES];
-        [close_ setStretchBackground:YES];
-        [close_ setEnabled:YES];
-        [close_ setTitleFont:[UIFont boldSystemFontOfSize:22]];
-        [close_ addTarget:self action:@selector(closeButtonPushed) forEvents:UIControlEventTouchUpInside];
-        [close_ setBackground:[UIImage applicationImageNamed:@"green-up.png"] forState:0];
-        [close_ setBackground:[UIImage applicationImageNamed:@"green-dn.png"] forState:1];
+        progress_ = [[[CydiaProgressData alloc] init] autorelease];
+        [progress_ setDelegate:self];
     } return self;
 }
 
-- (void) positionViews {
-    CGRect bounds = [[self view] bounds];
-    CGSize prgsize = [UIProgressBar defaultSize];
-
-    CGRect prgrect = {{
-        (bounds.size.width - prgsize.width) / 2,
-        bounds.size.height - prgsize.height - 20
-    }, prgsize};
+- (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
+    [super webView:view didClearWindowObject:window forFrame:frame];
+    [window setValue:progress_ forKey:@"cydiaProgress"];
+}
 
-    float closewidth = std::min(bounds.size.width - 20, 300.0f);
+- (void) updateProgress {
+    [self dispatchEvent:@"CydiaProgressUpdate"];
+}
 
-    [progress_ setFrame:prgrect];
-    [status_ setFrame:CGRectMake(
-        10,
-        bounds.size.height - prgsize.height - 50,
-        bounds.size.width - 20,
-        24
-    )];
-    [output_ setFrame:CGRectMake(
-        10,
-        20,
-        bounds.size.width - 20,
-        bounds.size.height - 96
-    )];
-    [close_ setFrame:CGRectMake(
-        (bounds.size.width - closewidth) / 2,
-        bounds.size.height - prgsize.height - 50,
-        closewidth,
-        32 + prgsize.height
-    )];
+- (void) updateCancel {
+    [[self navigationItem] setLeftBarButtonItem:(cancel_ == 1 ? [[[UIBarButtonItem alloc]
+        initWithTitle:UCLocalize("CANCEL")
+        style:UIBarButtonItemStylePlain
+        target:self
+        action:@selector(cancel)
+    ] autorelease] : nil)];
 }
 
 - (void) viewWillAppear:(BOOL)animated {
-    [super viewDidAppear:animated];
-    [[self navigationItem] setHidesBackButton:YES];
-    [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
+    if (![self hasLoaded]) {
+        [scroller_ setBackgroundColor:[UIColor blackColor]];
+        [self loadURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/progress/", UI_]]];
+    }
 
-    [self positionViews];
-}
+    [super viewDidAppear:animated];
 
-- (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
-    [self positionViews];
-}
+    [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
 
-- (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
-    NSString *context([alert context]);
+    [[self navigationItem] setHidesBackButton:YES];
 
-    if ([context isEqualToString:@"conffile"]) {
-        FILE *input = [database_ input];
-        if (button == [alert cancelButtonIndex])
-            fprintf(input, "N\n");
-        else if (button == [alert firstOtherButtonIndex])
-            fprintf(input, "Y\n");
-        fflush(input);
-    }
+    [self updateCancel];
 }
 
-- (void) closeButtonPushed {
-    running_ = NO;
-
+- (void) close {
     UpdateExternalStatus(0);
 
     switch (Finish_) {
         case 0:
-            [self dismissModalViewControllerAnimated:YES];
         break;
 
         case 1:
@@ -4973,19 +4986,32 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
                 reboot2(RB_AUTOBOOT);
         break;
     }
+
+    [super close];
 }
 
-- (void) _retachThread {
-    [[self navigationItem] setTitle:UCLocalize("COMPLETE")];
+- (void) setTitle:(NSString *)title {
+    [progress_ setTitle:title];
+    [self updateProgress];
+}
 
-    [[self view] addSubview:close_];
-    [progress_ removeFromSuperview];
-    [status_ removeFromSuperview];
+- (UIBarButtonItem *) rightButton {
+    return [[progress_ running] boolValue] ? nil : [[[UIBarButtonItem alloc]
+        initWithTitle:UCLocalize("CLOSE")
+        style:UIBarButtonItemStylePlain
+        target:self
+        action:@selector(close)
+    ] autorelease];
+}
 
-    [database_ popErrorWithTitle:title_];
-    [delegate_ progressControllerIsComplete:self];
+- (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title {
+    UpdateExternalStatus(1);
 
-    if (Finish_ < 4) {
+    [progress_ setRunning:true];
+    [self setTitle:title];
+    // implicit updateProgress
+
+    SHA1SumValue notifyconf; {
         FileFd file;
         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
             _error->Discard();
@@ -4993,12 +5019,11 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             MMap mmap(file, MMap::ReadOnly);
             SHA1Summation sha1;
             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
-            if (!(notifyconf_ == sha1.Result()))
-                Finish_ = 4;
+            notifyconf = sha1.Result();
         }
     }
 
-    if (Finish_ < 3) {
+    SHA1SumValue springlist; {
         FileFd file;
         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
             _error->Discard();
@@ -5006,64 +5031,16 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             MMap mmap(file, MMap::ReadOnly);
             SHA1Summation sha1;
             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
-            if (!(springlist_ == sha1.Result()))
-                Finish_ = 3;
+            springlist = sha1.Result();
         }
     }
 
-    if (Finish_ < 2) {
-        if (RestartSubstrate_)
-            Finish_ = 2;
-    }
-
-    RestartSubstrate_ = false;
-
-    switch (Finish_) {
-        case 0: [close_ setTitle:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
-        case 1: [close_ setTitle:UCLocalize("CLOSE_CYDIA")]; break;
-        case 2: [close_ setTitle:UCLocalize("RESTART_SPRINGBOARD")]; break;
-        case 3: [close_ setTitle:UCLocalize("RELOAD_SPRINGBOARD")]; break;
-        case 4: [close_ setTitle:UCLocalize("REBOOT_DEVICE")]; break;
+    if (invocation != nil) {
+        [invocation yieldToSelector:@selector(invoke)];
+        [self setTitle:@"COMPLETE"];
     }
 
-    _trace();
-    system("su -c /usr/bin/uicache mobile");
-    _trace();
-
-    UpdateExternalStatus(Finish_ == 0 ? 2 : 0);
-
-    [delegate_ setStatusBarShowsProgress:NO];
-}
-
-- (void) _detachNewThreadInvocation:(NSInvocation *)invocation { _pooled
-    [invocation invoke];
-    [self performSelectorOnMainThread:@selector(_retachThread) withObject:nil waitUntilDone:YES];
-}
-
-- (void) detachNewThreadSelector:(SEL)selector toTarget:(id)target withObject:(id)object title:(NSString *)title {
-    UpdateExternalStatus(1);
-
-    if (title_ != nil)
-        [title_ release];
-    if (title == nil)
-        title_ = nil;
-    else
-        title_ = [title retain];
-
-    [[self navigationItem] setTitle:title_];
-
-    [status_ setText:nil];
-    [output_ setText:@""];
-    [progress_ setProgress:0];
-
-    [close_ removeFromSuperview];
-    [[self view] addSubview:progress_];
-    [[self view] addSubview:status_];
-
-    [delegate_ setStatusBarShowsProgress:YES];
-    running_ = YES;
-
-    {
+    if (Finish_ < 4) {
         FileFd file;
         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
             _error->Discard();
@@ -5071,11 +5048,12 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             MMap mmap(file, MMap::ReadOnly);
             SHA1Summation sha1;
             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
-            notifyconf_ = sha1.Result();
+            if (!(notifyconf == sha1.Result()))
+                Finish_ = 4;
         }
     }
 
-    {
+    if (Finish_ < 3) {
         FileFd file;
         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
             _error->Discard();
@@ -5083,99 +5061,71 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             MMap mmap(file, MMap::ReadOnly);
             SHA1Summation sha1;
             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
-            springlist_ = sha1.Result();
+            if (!(springlist == sha1.Result()))
+                Finish_ = 3;
         }
     }
 
-    NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[target methodSignatureForSelector:selector]]);
-    [invocation setTarget:target];
-    [invocation setSelector:selector];
-    _assert(object == nil);
+    if (Finish_ < 2) {
+        if (RestartSubstrate_)
+            Finish_ = 2;
+    }
 
-    [NSThread detachNewThreadSelector:@selector(_detachNewThreadInvocation:) toTarget:self withObject:invocation];
-}
+    RestartSubstrate_ = false;
 
-- (void) repairWithSelector:(SEL)selector {
-    [self
-        detachNewThreadSelector:selector
-        toTarget:database_
-        withObject:nil
-        title:UCLocalize("REPAIRING")
-    ];
-}
+    switch (Finish_) {
+        case 0: [progress_ setFinish:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
+        case 1: [progress_ setFinish:UCLocalize("CLOSE_CYDIA")]; break;
+        case 2: [progress_ setFinish:UCLocalize("RESTART_SPRINGBOARD")]; break;
+        case 3: [progress_ setFinish:UCLocalize("RELOAD_SPRINGBOARD")]; break;
+        case 4: [progress_ setFinish:UCLocalize("REBOOT_DEVICE")]; break;
+    }
 
-- (void) setProgressError:(NSString *)error withTitle:(NSString *)title {
-    CYAlertView *sheet([[[CYAlertView alloc]
-        initWithTitle:title
-        buttons:[NSArray arrayWithObjects:UCLocalize("OKAY"), nil]
-        defaultButtonIndex:0
-    ] autorelease]);
+    _trace();
+    system("su -c /usr/bin/uicache mobile");
+    _trace();
 
-    [sheet setMessage:error];
-    [sheet yieldToPopupAlertAnimated:YES];
-    [sheet dismiss];
-}
+    UpdateExternalStatus(Finish_ == 0 ? 0 : 2);
+
+    [progress_ setRunning:false];
+    [self updateProgress];
 
-- (void) startProgress {
+    [self applyRightButton];
 }
 
-- (bool) isCancelling:(size_t)received {
-    return false;
+- (void) addProgressEvent:(CydiaProgressEvent *)event {
+    [progress_ addEvent:event];
+    [self updateProgress];
 }
 
-- (void) setConfigurationData:(NSString *)data {
-    static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
+- (bool) isProgressCancelled {
+    return cancel_ == 2;
+}
 
-    if (!conffile_r(data)) {
-        lprintf("E:invalid conffile\n");
-        return;
-    }
+- (void) cancel {
+    cancel_ = 2;
+    [self updateCancel];
+}
 
-    NSString *ofile = conffile_r[1];
-    //NSString *nfile = conffile_r[2];
+- (void) setCancellable:(bool)cancellable {
+    unsigned cancel(cancel_);
 
-    UIAlertView *alert = [[[UIAlertView alloc]
-        initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
-        message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
-        delegate:self
-        cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
-        otherButtonTitles:
-            UCLocalize("ACCEPT_NEW_COPY"),
-            // XXX: UCLocalize("SEE_WHAT_CHANGED"),
-        nil
-    ] autorelease];
+    if (!cancellable)
+        cancel_ = 0;
+    else if (cancel_ == 0)
+        cancel_ = 1;
 
-    [alert setContext:@"conffile"];
-    [alert show];
+    if (cancel != cancel_)
+        [self updateCancel];
 }
 
-- (void) setProgressTitle:(NSString *)title {
-    NSMutableArray *words([[title componentsSeparatedByString:@" "] mutableCopy]);
-    for (size_t i(0), e([words count]); i != e; ++i) {
-        NSString *word([words objectAtIndex:i]);
-        if (Package *package = [database_ packageWithName:word])
-            [words replaceObjectAtIndex:i withObject:[package name]];
-    }
-
-    [status_ setText:[words componentsJoinedByString:@" "]];
+- (void) setProgressCancellable:(NSNumber *)cancellable {
+    [self setCancellable:[cancellable boolValue]];
 }
 
 - (void) setProgressPercent:(NSNumber *)percent {
     [progress_ setProgress:[percent floatValue]];
-}
-
-- (void) addProgressOutput:(NSString *)output {
-    [output_ setText:[NSString stringWithFormat:@"%@\n%@", [output_ text], output]];
-    CGSize size = [output_ contentSize];
-    CGPoint offset = [output_ contentOffset];
-    if (size.height - offset.y < [output_ frame].size.height + 20.f) {
-        CGRect rect = {{0, size.height-1}, {size.width, 1}};
-        [output_ scrollRectToVisible:rect animated:YES];
-    }
-}
-
-- (BOOL) isRunning {
-    return running_;
+    [self updateProgress];
 }
 
 @end
@@ -6540,18 +6490,20 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     } return self;
 }
 
-- (void) cancel {
-    [cancel_ removeFromSuperview];
+- (void) setCancellable:(bool)cancellable {
+    if (cancellable)
+        [self addSubview:cancel_];
+    else
+        [cancel_ removeFromSuperview];
 }
 
 - (void) start {
     [prompt_ setText:UCLocalize("UPDATING_DATABASE")];
     [progress_ setProgress:0];
-    [self addSubview:cancel_];
 }
 
 - (void) stop {
-    [cancel_ removeFromSuperview];
+    [self setCancellable:NO];
 }
 
 - (void) setPrompt:(NSString *)prompt {
@@ -6723,28 +6675,22 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     return updating_;
 }
 
-- (void) setProgressError:(NSString *)error withTitle:(NSString *)title {
-    [refreshbar_ setPrompt:[NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), UCLocalize("ERROR"), error]];
+- (void) addProgressEvent:(CydiaProgressEvent *)event {
+    [refreshbar_ setPrompt:[event compoundMessage]];
 }
 
-- (void) startProgress {
-}
-
-- (bool) isCancelling:(size_t)received {
+- (bool) isProgressCancelled {
     return !updating_;
 }
 
-- (void) setProgressTitle:(NSString *)title {
-    [refreshbar_ setPrompt:title];
+- (void) setProgressCancellable:(NSNumber *)cancellable {
+    [refreshbar_ setCancellable:(updating_ && [cancellable boolValue])];
 }
 
 - (void) setProgressPercent:(NSNumber *)percent {
     [refreshbar_ setProgress:[percent floatValue]];
 }
 
-- (void) addProgressOutput:(NSString *)output {
-}
-
 - (void) setUpdateDelegate:(id)delegate {
     updatedelegate_ = delegate;
 }
@@ -8195,9 +8141,9 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
             [alert show];
         }
 
-        [delegate_ setStatusBarShowsProgress:NO];
-        [delegate_ removeProgressHUD:hud_];
+        [delegate_ releaseNetworkActivityIndicator];
 
+        [delegate_ removeProgressHUD:hud_];
         [hud_ autorelease];
         hud_ = nil;
 
@@ -8276,6 +8222,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
                 // XXX: this is stupid
                 hud_ = [[delegate_ addProgressHUD] retain];
                 [hud_ setText:UCLocalize("VERIFYING_URL")];
+                [delegate_ retainNetworkActivityIndicator];
             } break;
 
             case 0:
@@ -8340,7 +8287,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [super reloadData];
 
     pkgSourceList list;
-    if (!list.ReadMainList())
+    if ([database_ popErrorWithTitle:UCLocalize("SOURCES") forOperation:list.ReadMainList()])
         return;
 
     [sources_ removeAllObjects];
@@ -8704,7 +8651,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
 @interface Cydia : UIApplication <
     ConfirmationControllerDelegate,
-    ProgressControllerDelegate,
+    DatabaseDelegate,
     CydiaDelegate,
     UINavigationControllerDelegate,
     UITabBarControllerDelegate
@@ -8713,6 +8660,7 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
     UIWindow *window_;
     CYTabBarController *tabbar_;
+    CYEmulatedLoadingController *emulated_;
 
     NSMutableArray *essential_;
     NSMutableArray *broken_;
@@ -8929,6 +8877,45 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [database_ update];
 }
 
+- (void) complete {
+    @synchronized (self) {
+        [self _reloadDataWithInvocation:nil];
+    }
+}
+
+- (void) presentModalViewController:(UIViewController *)controller {
+    UINavigationController *navigation([[[CYNavigationController alloc] initWithRootViewController:controller] autorelease]);
+    if (IsWildcat_)
+        [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
+    [((UIViewController *) emulated_ ?: tabbar_) presentModalViewController:navigation animated:YES];
+}
+
+- (ProgressController *) invokeNewProgress:(NSInvocation *)invocation forController:(UINavigationController *)navigation withTitle:(NSString *)title {
+    ProgressController *progress([[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease]);
+
+    if (navigation != nil)
+        [navigation pushViewController:progress animated:YES];
+    else
+        [self presentModalViewController:progress];
+
+    [progress invoke:invocation withTitle:title];
+    return progress;
+}
+
+- (void) detachNewProgressSelector:(SEL)selector toTarget:(id)target forController:(UINavigationController *)navigation title:(NSString *)title {
+    [self invokeNewProgress:[NSInvocation invocationWithSelector:selector forTarget:target] forController:navigation withTitle:title];
+}
+
+- (void) repairWithInvocation:(NSInvocation *)invocation {
+    _trace();
+    [self invokeNewProgress:invocation forController:nil withTitle:UCLocalize("REPAIRING")];
+    _trace();
+}
+
+- (void) repairWithSelector:(SEL)selector {
+    [self performSelectorOnMainThread:@selector(repairWithInvocation:) withObject:[NSInvocation invocationWithSelector:selector forTarget:database_] waitUntilDone:YES];
+}
+
 - (void) syncData {
     [self _saveConfig];
 
@@ -8947,18 +8934,9 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 
     fclose(file);
 
-    ProgressController *progress = [[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease];
-    CYNavigationController *navigation = [[[CYNavigationController alloc] initWithRootViewController:progress] autorelease];
-    if (IsWildcat_)
-        [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
-    [tabbar_ presentModalViewController:navigation animated:YES];
+    [self detachNewProgressSelector:@selector(update_) toTarget:self forController:nil title:UCLocalize("UPDATING_SOURCES")];
 
-    [progress
-        detachNewThreadSelector:@selector(update_)
-        toTarget:self
-        withObject:nil
-        title:UCLocalize("UPDATING_SOURCES")
-    ];
+    [self complete];
 }
 
 - (void) addTrivialSource:(NSString *)href {
@@ -9059,37 +9037,10 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     }
 }
 
-- (void) complete {
-    @synchronized (self) {
-        [self _reloadDataWithInvocation:nil];
-    }
-}
-
 - (void) confirmWithNavigationController:(UINavigationController *)navigation {
     Queuing_ = false;
-
-    ProgressController *progress = [[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease];
-
-    if (navigation != nil) {
-        [navigation pushViewController:progress animated:YES];
-    } else {
-        navigation = [[[CYNavigationController alloc] initWithRootViewController:progress] autorelease];
-        if (IsWildcat_)
-            [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
-        [tabbar_ presentModalViewController:navigation animated:YES];
-    }
-
-    [progress
-        detachNewThreadSelector:@selector(perform)
-        toTarget:database_
-        withObject:nil
-        title:UCLocalize("RUNNING")
-    ];
-
     ++locked_;
-}
-
-- (void) progressControllerIsComplete:(ProgressController *)progress {
+    [self detachNewProgressSelector:@selector(perform) toTarget:database_ forController:navigation title:UCLocalize("RUNNING")];
     --locked_;
     [self complete];
 }
@@ -9105,11 +9056,20 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 - (void) retainNetworkActivityIndicator {
     if (activity_++ == 0)
         [self setNetworkActivityIndicatorVisible:YES];
+
+#if TraceLogging
+    NSLog(@"retainNetworkActivityIndicator->%d", activity_);
+#endif
 }
 
 - (void) releaseNetworkActivityIndicator {
     if (--activity_ == 0)
         [self setNetworkActivityIndicatorVisible:NO];
+
+#if TraceLogging
+    NSLog(@"releaseNetworkActivityIndicator->%d", activity_);
+#endif
+
 }
 
 - (void) cancelAndClear:(bool)clear {
@@ -9128,7 +9088,16 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
     NSString *context([alert context]);
 
-    if ([context isEqualToString:@"fixhalf"]) {
+    if ([context isEqualToString:@"conffile"]) {
+        FILE *input = [database_ input];
+        if (button == [alert cancelButtonIndex])
+            fprintf(input, "N\n");
+        else if (button == [alert firstOtherButtonIndex])
+            fprintf(input, "Y\n");
+        fflush(input);
+
+        [alert dismissWithClickedButtonIndex:-1 animated:YES];
+    } else if ([context isEqualToString:@"fixhalf"]) {
         if (button == [alert cancelButtonIndex]) {
             @synchronized (self) {
                 for (Package *broken in broken_) {
@@ -9373,6 +9342,32 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [self _saveConfig];
 }
 
+- (void) setConfigurationData:(NSString *)data {
+    static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
+
+    if (!conffile_r(data)) {
+        lprintf("E:invalid conffile\n");
+        return;
+    }
+
+    NSString *ofile = conffile_r[1];
+    //NSString *nfile = conffile_r[2];
+
+    UIAlertView *alert = [[[UIAlertView alloc]
+        initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
+        message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
+        delegate:self
+        cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
+        otherButtonTitles:
+            UCLocalize("ACCEPT_NEW_COPY"),
+            // XXX: UCLocalize("SEE_WHAT_CHANGED"),
+        nil
+    ] autorelease];
+
+    [alert setContext:@"conffile"];
+    [alert show];
+}
+
 - (void) addStashController {
     ++locked_;
     stash_ = [[StashController alloc] init];
@@ -9389,13 +9384,9 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [self setIdleTimerDisabled:YES];
 
     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
-    [self setStatusBarShowsProgress:YES];
     UpdateExternalStatus(1);
-
     [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/free.sh"];
-
     UpdateExternalStatus(0);
-    [self setStatusBarShowsProgress:NO];
 
     [self removeStashController];
 
@@ -9433,26 +9424,8 @@ bool DepSubstrate(const pkgCache::VerIterator &iterator) {
     [tabbar_ setUpdateDelegate:self];
 }
 
-- (CYEmulatedLoadingController *) showEmulatedLoadingControllerInView:(UIView *)view {
-    static CYEmulatedLoadingController *fake = nil;
-
-    if (view != nil) {
-        if (fake == nil)
-            fake = [[CYEmulatedLoadingController alloc] initWithDatabase:database_];
-        [view addSubview:[fake view]];
-    } else {
-        [[fake view] removeFromSuperview];
-        [fake release];
-        fake = nil;
-    }
-
-    return fake;
-}
-
 - (void) applicationDidFinishLaunching:(id)unused {
 _trace();
-    CydiaApp = self;
-
     if ([self respondsToSelector:@selector(setApplicationSupportsShakeToEdit:)])
         [self setApplicationSupportsShakeToEdit:NO];
 
@@ -9501,10 +9474,13 @@ _trace();
     }
 
     database_ = [Database sharedInstance];
+    [database_ setDelegate:self];
 
     [window_ setUserInteractionEnabled:NO];
     [self setupViewControllers];
-    [self showEmulatedLoadingControllerInView:window_];
+
+    emulated_ = [[CYEmulatedLoadingController alloc] initWithDatabase:database_];
+    [window_ addSubview:[emulated_ view]];
 
     [self performSelector:@selector(loadData) withObject:nil afterDelay:0];
 _trace();
@@ -9514,17 +9490,11 @@ _trace();
 _trace();
     if (Role_ == nil) {
         [window_ setUserInteractionEnabled:YES];
-
-        SettingsController *role = [[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease];
-        CYNavigationController *nav = [[[CYNavigationController alloc] initWithRootViewController:role] autorelease];
-        if (IsWildcat_)
-            [nav setModalPresentationStyle:UIModalPresentationFormSheet];
-        [[self showEmulatedLoadingControllerInView:window_] presentModalViewController:nav animated:YES];
-
+        [self presentModalViewController:[[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease]];
         return;
     } else {
-        if ([[self showEmulatedLoadingControllerInView:window_] modalViewController] != nil)
-            [[self showEmulatedLoadingControllerInView:window_] dismissModalViewControllerAnimated:YES];
+        if ([emulated_ modalViewController] != nil)
+            [emulated_ dismissModalViewControllerAnimated:YES];
         [window_ setUserInteractionEnabled:NO];
     }
 
@@ -9532,7 +9502,11 @@ _trace();
     PrintTimes();
 
     [window_ addSubview:[tabbar_ view]];
-    [self showEmulatedLoadingControllerInView:nil];
+
+    [[emulated_ view] removeFromSuperview];
+    [emulated_ release];
+    emulated_ = nil;
+
     [window_ setUserInteractionEnabled:YES];
 
     int selectedIndex = 0;
@@ -9603,6 +9577,22 @@ _trace();
     }
 }
 
+- (void) addProgressEvent:(CydiaProgressEvent *)event forTask:(NSString *)task {
+    id<ProgressDelegate> progress([database_ progressDelegate] ?: [self invokeNewProgress:nil forController:nil withTitle:task]);
+    [progress setTitle:task];
+    [progress addProgressEvent:event];
+}
+
+- (void) addProgressEventForTask:(NSArray *)data {
+    CydiaProgressEvent *event([data objectAtIndex:0]);
+    NSString *task([data count] < 2 ? nil : [data objectAtIndex:1]);
+    [self addProgressEvent:event forTask:task];
+}
+
+- (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task {
+    [self performSelectorOnMainThread:@selector(addProgressEventForTask:) withObject:[NSArray arrayWithObjects:event, task, nil] waitUntilDone:YES];
+}
+
 @end
 
 /*IMP alloc_;