update.m
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:8k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * update.m: MacOS X Check-For-Update window
- *****************************************************************************
- * Copyright (C) 2005-2009 the VideoLAN team
- * $Id: b35b85a487f8c3c6b1fadf2e04fee1ec24984e44 $
- *
- * Authors: Felix Paul Kühne <fkuehne@users.sf.net>
- * Rafaël Carré <funman@videolanorg>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #import "update.h"
- #ifdef UPDATE_CHECK
- #include <assert.h>
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- static NSString * kPrefUpdateOnStartup = @"UpdateOnStartup";
- static NSString * kPrefUpdateLastTimeChecked = @"UpdateLastTimeChecked";
- /*****************************************************************************
- * VLCUpdate implementation
- *****************************************************************************/
- @implementation VLCUpdate
- static VLCUpdate *_o_sharedInstance = nil;
- + (VLCUpdate *)sharedInstance
- {
- return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
- }
- - (id)init
- {
- if( _o_sharedInstance ) {
- [self dealloc];
- } else {
- _o_sharedInstance = [super init];
- b_checked = false;
- }
- return _o_sharedInstance;
- }
- - (void)dealloc
- {
- if( p_update ) update_Delete( p_update );
- [super dealloc];
- }
- - (void)awakeFromNib
- {
- /* clean the interface */
- [o_fld_releaseNote setString: @""];
- [o_fld_currentVersion setStringValue: @""];
- /* translate strings to the user's language */
- [o_update_window setTitle: _NS("Check for Updates")];
- [o_btn_DownloadNow setTitle: _NS("Download now")];
- [o_btn_okay setTitle: _NS("OK")];
- [o_chk_updateOnStartup setTitle: _NS("Automatically check for updates")];
- /* we don't use - (BOOL)shouldCheckUpdateOnStartup because we don't want
- * the Alert panel to pop up at this time */
- [o_chk_updateOnStartup setState: [[NSUserDefaults standardUserDefaults] boolForKey: kPrefUpdateOnStartup]];
- }
- - (void)setShouldCheckUpdate: (BOOL)check
- {
- [[NSUserDefaults standardUserDefaults] setBool: check forKey: kPrefUpdateOnStartup];
- [o_chk_updateOnStartup setState: check];
- /* make sure we got this set, even if we crash later on */
- [[NSUserDefaults standardUserDefaults] synchronize];
- }
- - (BOOL)shouldCheckForUpdate
- {
- NSDate *o_last_update;
- NSDate *o_next_update;
- if( ![[NSUserDefaults standardUserDefaults] objectForKey: kPrefUpdateOnStartup] )
- {
- /* We don't have any preferences stored, ask the user. */
- NSInteger res = NSRunInformationalAlertPanel( _NS("Do you want VLC to check for updates automatically?"),
- _NS("You can change this option in VLC's update window later on."), _NS("Yes"), _NS("No"), nil );
- [self setShouldCheckUpdate: res];
- }
- if( ![[NSUserDefaults standardUserDefaults] boolForKey: kPrefUpdateOnStartup] )
- return NO;
- o_last_update = [[NSUserDefaults standardUserDefaults] objectForKey: kPrefUpdateLastTimeChecked];
- if( !o_last_update )
- return YES;
- o_next_update = [[[NSDate alloc] initWithTimeInterval: 60*60*24*7 /* every seven days */ sinceDate: o_last_update] autorelease];
- if( !o_next_update )
- return YES;
- return [o_next_update compare: [NSDate date]] == NSOrderedAscending;
- }
- - (void)showUpdateWindow
- {
- /* show the window and check for a potential update */
- [o_update_window center];
- [o_update_window displayIfNeeded];
- [o_update_window makeKeyAndOrderFront:nil];
- if( !b_checked )
- {
- [o_bar_checking startAnimation: self];
- [self checkForUpdate];
- b_checked = true;
- [o_bar_checking stopAnimation: self];
- }
- }
- - (IBAction)download:(id)sender
- {
- /* provide a save dialogue */
- SEL sel = @selector(getLocationForSaving:returnCode:contextInfo:);
- NSSavePanel * saveFilePanel = [[NSSavePanel alloc] init];
- [saveFilePanel setRequiredFileType: @"dmg"];
- [saveFilePanel setCanSelectHiddenExtension: YES];
- [saveFilePanel setCanCreateDirectories: YES];
- update_release_t *p_release = update_GetRelease( p_update );
- assert( p_release );
- [saveFilePanel beginSheetForDirectory:@"~/Downloads" file:
- [[[NSString stringWithUTF8String: p_release->psz_url] componentsSeparatedByString:@"/"] lastObject]
- modalForWindow: o_update_window
- modalDelegate:self
- didEndSelector:sel
- contextInfo:nil];
- }
- - (void)getLocationForSaving: (NSSavePanel *)sheet
- returnCode: (int)returnCode
- contextInfo: (void *)contextInfo
- {
- if( returnCode == NSOKButton )
- {
- /* perform download and pass the selected path */
- [NSThread detachNewThreadSelector:@selector(performDownload:) toTarget:self withObject:[sheet filename]];
- }
- [sheet release];
- }
- - (IBAction)okay:(id)sender
- {
- /* just hides the window */
- [o_update_window orderOut: self];
- }
- - (IBAction)changeCheckUpdateOnStartup:(id)sender
- {
- [self setShouldCheckUpdate: [sender state]];
- }
- - (void)setUpToDate:(NSNumber *)uptodate
- {
- if( [uptodate boolValue] )
- {
- [o_fld_releaseNote setString: @""];
- [o_fld_currentVersion setStringValue: @""];
- [o_fld_status setStringValue: _NS("This version of VLC is the latest available.")];
- [o_btn_DownloadNow setEnabled: NO];
- }
- else
- {
- update_release_t *p_release = update_GetRelease( p_update );
- [o_fld_releaseNote setString: [NSString stringWithUTF8String: (p_release->psz_desc ? p_release->psz_desc : "" )]];
- [o_fld_status setStringValue: _NS("This version of VLC is outdated.")];
- [o_fld_currentVersion setStringValue: [NSString stringWithFormat:
- _NS("The current release is %d.%d.%d%c."), p_release->i_major,
- p_release->i_minor, p_release->i_revision, p_release->extra]];
- [o_btn_DownloadNow setEnabled: YES];
- /* Make sure the update window is showed in case we have something */
- [o_update_window center];
- [o_update_window displayIfNeeded];
- [o_update_window makeKeyAndOrderFront: self];
- }
- }
- static void updateCallback( void * p_data, bool b_success )
- {
- VLCUpdate * update = p_data;
- NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
- NSNumber * state = [NSNumber numberWithBool:!b_success || !update_NeedUpgrade( update->p_update )];
- [update performSelectorOnMainThread:@selector(setUpToDate:) withObject:state waitUntilDone:YES];
- [pool release];
- }
- - (void)checkForUpdate
- {
- p_update = update_New( VLCIntf );
- if( !p_update )
- return;
- update_Check( p_update, updateCallback, self );
- NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
- [[NSUserDefaults standardUserDefaults] setObject: [NSDate date] forKey: kPrefUpdateLastTimeChecked];
- [pool release];
- }
- - (void)performDownload:(NSString *)path
- {
- NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
- [o_update_window orderOut: self];
- update_Download( p_update, [path UTF8String] );
- [o_btn_DownloadNow setEnabled: NO];
- [pool release];
- }
- @end
- #endif