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//
// SUAutomaticUpdateDriver.m
// Sparkle
//
// Created by Andy Matuschak on 5/6/08.
// Copyright 2008 Andy Matuschak. All rights reserved.
//

#import "SUAutomaticUpdateDriver.h"

#import "SUAutomaticUpdateAlert.h"
#import "SUHost.h"
#import "SUConstants.h"

@implementation SUAutomaticUpdateDriver

- (void)unarchiverDidFinish:(SUUnarchiver *)ua
{
alert = [[SUAutomaticUpdateAlert alloc] initWithAppcastItem:updateItem host:host delegate:self];

// If the app is a menubar app or the like, we need to focus it first and alter the
// update prompt to behave like a normal window. Otherwise if the window were hidden
// there may be no way for the application to be activated to make it visible again.
if ([host isBackgroundApplication])
{
[[alert window] setHidesOnDeactivate:NO];
[NSApp activateIgnoringOtherApps:YES];
}

if ([NSApp isActive])
[[alert window] makeKeyAndOrderFront:self];
else
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationDidBecomeActive:) name:NSApplicationDidBecomeActiveNotification object:NSApp];
}

- (void)applicationDidBecomeActive:(NSNotification *)aNotification
{
[[alert window] makeKeyAndOrderFront:self];
[[NSNotificationCenter defaultCenter] removeObserver:self name:@"NSApplicationDidBecomeActiveNotification" object:NSApp];
}

- (void)automaticUpdateAlert:(SUAutomaticUpdateAlert *)aua finishedWithChoice:(SUAutomaticInstallationChoice)choice;
{
switch (choice)
{
case SUInstallNowChoice:
[self installWithToolAndRelaunch:YES];
break;

case SUInstallLaterChoice:
postponingInstallation = YES;
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationWillTerminate:) name:NSApplicationWillTerminateNotification object:nil];
break;

case SUDoNotInstallChoice:
[host setObject:[updateItem versionString] forUserDefaultsKey:SUSkippedVersionKey];
[self abortUpdate];
break;
}
}


- (void)download:(NSURLDownload *)download didReceiveResponse:(NSURLResponse *)response
{
if ([[updater delegate] respondsToSelector:@selector(setMaxProgressValue:)])
[[updater delegate] setMaxProgressValue:[response expectedContentLength]];
}

- (void)download:(NSURLDownload *)download didReceiveDataOfLength:(NSUInteger)length
{
    if ([[updater delegate] respondsToSelector:@selector(progressValue)] && [[updater delegate] respondsToSelector:@selector(setProgressValue:)]) {
        [[updater delegate] setProgressValue:[[updater delegate] progressValue] + (double)length];
    }
    if ([[updater delegate] respondsToSelector:@selector(maxProgressValue)] && [[updater delegate] respondsToSelector:@selector(setStatusText:)]) {
        if ([[updater delegate] maxProgressValue] > 0.0) {
            [[updater delegate] setStatusText:[NSString stringWithFormat:SULocalizedString(@"%@ of %@", nil), [self humanReadableSizeFromDouble:[[updater delegate] progressValue]], [self humanReadableSizeFromDouble:[[updater delegate] maxProgressValue]]]];
        } else {
            [[updater delegate] setStatusText:[NSString stringWithFormat:SULocalizedString(@"%@ downloaded", nil), [self humanReadableSizeFromDouble:[[updater delegate] progressValue]]]];
        }
    }
}

- (BOOL)shouldInstallSynchronously { return postponingInstallation; }

- (void)installWithToolAndRelaunch:(BOOL)relaunch
{
showErrors = YES;
[super installWithToolAndRelaunch:relaunch];
}

- (void)applicationWillTerminate:(NSNotification *)note
{
[self installWithToolAndRelaunch:NO];
}

- (void)abortUpdateWithError:(NSError *)error
{
if (showErrors)
[super abortUpdateWithError:error];
else
[self abortUpdate];
}

@end
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