root/branches/perian-1.1/Update Checker Sources/SUUpdateAlert.m

//
//  SUUpdateAlert.m
//  Sparkle
//
//  Created by Andy Matuschak on 3/12/06.
//  Copyright 2006 Andy Matuschak. All rights reserved.
//

#import "SUUpdateAlert.h"
#import "SUAppcastItem.h"
#import "SUUtilities.h"
#import <WebKit/WebKit.h>

@implementation SUUpdateAlert

- initWithAppcastItem:(SUAppcastItem *)item
{
        NSString *path = [[NSBundle bundleForClass:[self class]] pathForResource:@"SUUpdateAlert" ofType:@"nib"];
        if (!path) // slight hack to resolve issues with running with in configurations
        {
                NSBundle *current = [NSBundle bundleForClass:[self class]];
                NSBundle *framework = [NSBundle mainBundle];
                path = [framework pathForResource:@"SUUpdateAlert" ofType:@"nib"];
        }
        
        [super initWithWindowNibPath:path owner:self];
        
        updateItem = [item retain];
        [self setShouldCascadeWindows:NO];
        
        return self;
}

- (void)dealloc
{
        [updateItem release];
        [super dealloc];
}

- (void)endWithSelection:(SUUpdateAlertChoice)choice
{
        [releaseNotesView stopLoading:self];
        [releaseNotesView setFrameLoadDelegate:nil];
        [releaseNotesView setPolicyDelegate:nil];
        [self close];
        if ([delegate respondsToSelector:@selector(updateAlert:finishedWithChoice:)])
                [delegate updateAlert:self finishedWithChoice:choice];
}

- (IBAction)installUpdate:sender
{
        [self endWithSelection:SUInstallUpdateChoice];
}

- (IBAction)skipThisVersion:sender
{
        [self endWithSelection:SUSkipThisVersionChoice];
}

- (IBAction)remindMeLater:sender
{
        [self endWithSelection:SURemindMeLaterChoice];
}

- (void)displayReleaseNotes
{
        [releaseNotesView setFrameLoadDelegate:self];
        [releaseNotesView setPolicyDelegate:self];
        
        // Stick a nice big spinner in the middle of the web view until the page is loaded.
        NSRect frame = [[releaseNotesView superview] frame];
        releaseNotesSpinner = [[[NSProgressIndicator alloc] initWithFrame:NSMakeRect(NSMidX(frame)-16, NSMidY(frame)-16, 32, 32)] autorelease];
        [releaseNotesSpinner setStyle:NSProgressIndicatorSpinningStyle];
        [releaseNotesSpinner startAnimation:self];
        webViewFinishedLoading = NO;
        [[releaseNotesView superview] addSubview:releaseNotesSpinner];
        
        // If there's a release notes URL, load it; otherwise, just stick the contents of the description into the web view.
        if ([updateItem releaseNotesURL])
        {
                [[releaseNotesView mainFrame] loadRequest:[NSURLRequest requestWithURL:[updateItem releaseNotesURL] cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:30]];
        }
        else
        {
                [[releaseNotesView mainFrame] loadHTMLString:[updateItem description] baseURL:nil];
        }       
}

- (void)awakeFromNib
{       
        [[self window] setLevel:NSFloatingWindowLevel];
        [[self window] setFrameAutosaveName:@"SUUpdateAlertFrame"];
                
        // We're gonna do some frame magic to match the window's size to the description field and the presence of the release notes view.
        NSRect frame = [[self window] frame];
        
/*      // Resize the window to be appropriate for not having a huge release notes view.
        frame.size.height -= [releaseNotesView frame].size.height;
        // No resizing!
        [[self window] setShowsResizeIndicator:NO];
        [[self window] setMinSize:frame.size];
        [[self window] setMaxSize:frame.size];*/

/*      NSRect boxFrame = [[[releaseNotesView superview] superview] frame];
        boxFrame.origin.y -= 20;
        boxFrame.size.height += 20;
        [[[releaseNotesView superview] superview] setFrame:boxFrame];*/
        
        [[self window] setFrame:frame display:NO];
        [[self window] center];
        
        [self displayReleaseNotes];
}

- (BOOL)windowShouldClose:note
{
        [self endWithSelection:SURemindMeLaterChoice];
        return YES;
}

- (NSImage *)applicationIcon
{
        return [NSApp applicationIconImage];
}

- (NSString *)titleText
{
        return [NSString stringWithFormat:SULocalizedString(@"A new version of %@ is available!", nil), SUHostAppDisplayName()];
}

- (NSString *)descriptionText
{
        return [NSString stringWithFormat:SULocalizedString(@"%@ %@ is now available (you have %@). Would you like to download it now?", nil), SUHostAppDisplayName(), [updateItem versionString], SUHostAppVersionString()];   
}

- (void)webView:(WebView *)sender didFinishLoadForFrame:frame
{
    if ([frame parentFrame] == nil) {
        webViewFinishedLoading = YES;
                [releaseNotesSpinner setHidden:YES];
                [sender display]; // necessary to prevent weird scroll bar artifacting
    }
}

- (void)webView:sender decidePolicyForNavigationAction:(NSDictionary *)actionInformation request:(NSURLRequest *)request frame:frame decisionListener:listener
{
    if (webViewFinishedLoading == YES) {
        [[NSWorkspace sharedWorkspace] openURL:[request URL]];
                
        [listener ignore];
    }    
    else {
        [listener use];
    }
}

- (void)setDelegate:del
{
        delegate = del;
}

@end