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

#import "SUUpdateAlert.h"

#import "SUHost.h"
#import <WebKit/WebKit.h>

@implementation SUUpdateAlert

- (id)initWithAppcastItem:(SUAppcastItem *)item host:(SUHost *)aHost
{
self = [super initWithHost:host windowNibName:@"SUUpdateAlert"];
if (self)
{
host = [aHost retain];
updateItem = [item retain];
[self setShouldCascadeWindows:NO];
}
return self;
}

- (NSString *)description { return [NSString stringWithFormat:@"%@ <%@>", [self class], [host bundlePath]]; }

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

- (void)endWithSelection:(SUUpdateAlertChoice)choice
{
[releaseNotesView stopLoading:self];
[releaseNotesView setFrameLoadDelegate:nil];
[releaseNotesView setPolicyDelegate:nil];
[releaseNotesView removeFromSuperview]; // Otherwise it gets sent Esc presses (why?!) and gets very confused.
[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
{
// Set the default font
[releaseNotesView setPreferencesIdentifier:[SPARKLE_BUNDLE bundleIdentifier]];
[[releaseNotesView preferences] setStandardFontFamily:[[NSFont systemFontOfSize:8] familyName]];
[[releaseNotesView preferences] setDefaultFontSize:(int)[NSFont systemFontSizeForControlSize:NSSmallControlSize]];
[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])
{
if ([[updateItem releaseNotesURL] isFileURL])
{
[[releaseNotesView mainFrame] loadHTMLString:@"Release notes with file:// URLs are not supported for security reasons&mdash;Javascript would be able to read files on your file system." baseURL:nil];
}
else
{
[[releaseNotesView mainFrame] loadRequest:[NSURLRequest requestWithURL:[updateItem releaseNotesURL] cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:30]];
}
}
else
{
[[releaseNotesView mainFrame] loadHTMLString:[updateItem itemDescription] baseURL:nil];
}
}

- (BOOL)showsReleaseNotes
{
NSNumber *shouldShowReleaseNotes = [host objectForInfoDictionaryKey:SUShowReleaseNotesKey];
if (shouldShowReleaseNotes == nil)
return YES; // defaults to YES
else
return [shouldShowReleaseNotes boolValue];
}

- (BOOL)allowsAutomaticUpdates
{
if (![host objectForInfoDictionaryKey:SUAllowsAutomaticUpdatesKey])
return YES; // defaults to YES
return [host boolForInfoDictionaryKey:SUAllowsAutomaticUpdatesKey];
}

- (void)awakeFromNib
{
[[self window] setLevel:NSFloatingWindowLevel];

// 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];

if (![self showsReleaseNotes])
{
// Resize the window to be appropriate for not having a huge release notes view.
frame.size.height -= [releaseNotesView frame].size.height + 40; // Extra 40 is for the release notes label and margin.
[[self window] setShowsResizeIndicator:NO];
}

if (![self allowsAutomaticUpdates])
{
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];

if ([self showsReleaseNotes])
{
[self displayReleaseNotes];
}
}

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

- (NSImage *)applicationIcon
{
return [host icon];
}

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

- (NSString *)descriptionText
{
NSString *updateItemVersion = [updateItem displayVersionString];
    NSString *hostVersion = [host displayVersion];
// Display more info if the version strings are the same; useful for betas.
    if ([updateItemVersion isEqualToString:hostVersion])
{
        updateItemVersion = [updateItemVersion stringByAppendingFormat:@" (%@)", [updateItem versionString]];
        hostVersion = [hostVersion stringByAppendingFormat:@" (%@)", [host version]];
    }
    return [NSString stringWithFormat:SULocalizedString(@"%@ %@ is now available--you have %@. Would you like to download it now?", nil), [host name], updateItemVersion, hostVersion];
}

- (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) {
        [[NSWorkspace sharedWorkspace] openURL:[request URL]];

        [listener ignore];
    }
    else {
        [listener use];
    }
}

// Clean up the contextual menu.
- (NSArray *)webView:(WebView *)sender contextMenuItemsForElement:(NSDictionary *)element defaultMenuItems:(NSArray *)defaultMenuItems
{
NSMutableArray *webViewMenuItems = [[defaultMenuItems mutableCopy] autorelease];

if (webViewMenuItems)
{
NSEnumerator *itemEnumerator = [defaultMenuItems objectEnumerator];
NSMenuItem *menuItem = nil;
while ((menuItem = [itemEnumerator nextObject]))
{
NSInteger tag = [menuItem tag];

switch (tag)
{
case WebMenuItemTagOpenLinkInNewWindow:
case WebMenuItemTagDownloadLinkToDisk:
case WebMenuItemTagOpenImageInNewWindow:
case WebMenuItemTagDownloadImageToDisk:
case WebMenuItemTagOpenFrameInNewWindow:
case WebMenuItemTagGoBack:
case WebMenuItemTagGoForward:
case WebMenuItemTagStop:
case WebMenuItemTagReload:
[webViewMenuItems removeObjectIdenticalTo: menuItem];
}
}
}

return webViewMenuItems;
}

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

@end
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