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/*****************************************************************************
* eyetv.m: small class to control the notification parts of the EyeTV plugin
*****************************************************************************
* Copyright (C) 2006-2011 VLC authors and VideoLAN
* $Id$
*
* Authors: Felix Kühne <fkuehne at videolan dot org>
* Damien Fouilleul <damienf at videolan dot org>
*
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#import "eyetv.h"
/* for apple event interaction [carbon] */
//#import <Foundation/NSAppleScript>
/* for various VLC core related calls */
#import "intf.h"
@implementation VLCEyeTVController
static VLCEyeTVController *_o_sharedInstance = nil;
+ (VLCEyeTVController *)sharedInstance
{
return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
}
- (id)init
{
if (_o_sharedInstance) {
[self dealloc];
} else {
_o_sharedInstance = [super init];
[[NSDistributedNotificationCenter defaultCenter]
addObserver: self
selector: @selector(globalNotificationReceived:)
name: NULL
object: @"VLCEyeTVSupport"
suspensionBehavior: NSNotificationSuspensionBehaviorDeliverImmediately];
}
return _o_sharedInstance;
}
- (void)globalNotificationReceived: (NSNotification *)theNotification
{
/* update our info on the used device */
if( [[theNotification name] isEqualToString: @"DeviceAdded"] )
b_deviceConnected = YES;
if( [[theNotification name] isEqualToString: @"DeviceRemoved"] )
b_deviceConnected = NO;
/* is eyetv running? */
if( [[theNotification name] isEqualToString: @"PluginInit"] )
b_eyeTVactive = YES;
if( [[theNotification name] isEqualToString: @"PluginQuit"] )
b_eyeTVactive = NO;
}
- (BOOL)isEyeTVrunning
{
return b_eyeTVactive;
}
- (BOOL)isDeviceConnected
{
return b_deviceConnected;
}
- (void)launchEyeTV
{
NSAppleScript *script = [[NSAppleScript alloc] initWithSource:
@"tell application \"EyeTV\"\n"
"launch with server mode\n"
"end tell"];
NSDictionary *errorDict;
NSAppleEventDescriptor *descriptor = [script executeAndReturnError:&errorDict];
if( nil == descriptor )
{
NSString *errorString = [errorDict objectForKey:NSAppleScriptErrorMessage];
NSLog( @"opening EyeTV failed with error status '%@'", errorString );
}
[script release];
}
- (int)currentChannel
{
int currentChannel = 0;
NSAppleScript *script = [[NSAppleScript alloc] initWithSource:
@"tell application \"EyeTV\" to get current channel"];
NSDictionary *errorDict;
NSAppleEventDescriptor *descriptor = [script executeAndReturnError:&errorDict];
if( nil == descriptor )
{
NSString *errorString = [errorDict objectForKey:NSAppleScriptErrorMessage];
NSLog( @"EyeTV channel inventory failed with error status '%@'", errorString );
}
else
{
currentChannel = (int)[descriptor int32Value];
}
[script release];
return currentChannel;
}
- (int)switchChannelUp:(BOOL)b_yesOrNo
{
int currentChannel = 0;
NSAppleScript *script;
NSDictionary *errorDict;
NSAppleEventDescriptor *descriptor;
if( b_yesOrNo == YES )
{
script = [[NSAppleScript alloc] initWithSource:
@"tell application \"EyeTV\"\n"
"channel_up\n"
"get current channel\n"
"end tell"];
NSLog( @"telling eyetv to switch 1 channel up" );
}
else
{
script = [[NSAppleScript alloc] initWithSource:
@"tell application \"EyeTV\"\n"
"channel_down\n"
"get current channel\n"
"end tell"];
NSLog( @"telling eyetv to switch 1 channel down" );
}
descriptor = [script executeAndReturnError:&errorDict];
if( nil == descriptor )
{
NSString *errorString = [errorDict objectForKey:NSAppleScriptErrorMessage];
NSLog( @"EyeTV channel change failed with error status '%@'", errorString );
}
else
{
currentChannel = (int)[descriptor int32Value];
}
[script release];
return currentChannel;
}
- (void)selectChannel: (int)theChannelNum
{
NSAppleScript *script;
switch( theChannelNum )
{
case -2: // Composite
script = [[NSAppleScript alloc] initWithSource:
@"tell application \"EyeTV\"\n"
" input_change input source composite video input\n"
" show player_window\n"
"end tell"];
break;
case -1: // S-Video
script = [[NSAppleScript alloc] initWithSource:
@"tell application \"EyeTV\"\n"
" input_change input source S video input\n"
" show player_window\n"
"end tell"];
break;
case 0: // Last
script = [[NSAppleScript alloc] initWithSource:
@"tell application \"EyeTV\"\n"
" show player_window\n"
"end tell"];
break;
default:
if( theChannelNum > 0 )
{
NSString *channel_change = [NSString stringWithFormat:
@"tell application \"EyeTV\"\n"
" channel_change channel number %d\n"
" show player_window\n"
"end tell", theChannelNum];
script = [[NSAppleScript alloc] initWithSource:channel_change];
}
else
return;
}
NSDictionary *errorDict;
NSAppleEventDescriptor *descriptor = [script executeAndReturnError:&errorDict];
if( nil == descriptor )
{
NSString *errorString = [errorDict objectForKey:NSAppleScriptErrorMessage];
NSLog( @"EyeTV source change failed with error status '%@'", errorString );
}
[script release];
}
- (NSEnumerator *)allChannels
{
NSEnumerator *channels = nil;
NSAppleScript *script = [[NSAppleScript alloc] initWithSource:
@"tell application \"EyeTV\" to get name of every channel"];
NSDictionary *errorDict;
NSAppleEventDescriptor *descriptor = [script executeAndReturnError:&errorDict];
if( nil == descriptor )
{
NSString *errorString = [errorDict objectForKey:NSAppleScriptErrorMessage];
NSLog( @"EyeTV channel inventory failed with error status '%@'", errorString );
}
else
{
int count = [descriptor numberOfItems];
int x=0;
NSMutableArray *channelArray = [NSMutableArray arrayWithCapacity:count];
while( x++ < count ) {
[channelArray addObject:[[descriptor descriptorAtIndex:x] stringValue]];
}
channels = [channelArray objectEnumerator];
}
[script release];
return channels;
}
@end