/*****************************************************************************
 * controls.m: MacOS X interface module
 *****************************************************************************
 * Copyright (C) 2002-2013 VLC authors and VideoLAN
 * $Id: 72607bd867f65cac342df3b72f9875063db023a5 $
 *
 * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
 *          Christophe Massiot <massiot@via.ecp.fr>
 *          Derk-Jan Hartman <hartman at videolan dot org>
 *          Benjamin Pracht <bigben at videolan doit org>
 *          Felix Paul Kühne <fkuehne 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.
 *****************************************************************************/

/*****************************************************************************
 * Preamble
 *****************************************************************************/
#include <stdlib.h>                                      /* malloc(), free() */
#include <sys/param.h>                                    /* for MAXPATHLEN */
#include <string.h>

#import "intf.h"
#import "VideoView.h"
#import "open.h"
#import "controls.h"
#import "playlist.h"
#import "MainMenu.h"
#import "CoreInteraction.h"
#import <vlc_keys.h>

#pragma mark -
/*****************************************************************************
 * VLCControls implementation
 *****************************************************************************/
@implementation VLCControls

- (void)awakeFromNib
{
    [o_specificTime_mi setTitle: _NS("Jump To Time")];
    [o_specificTime_cancel_btn setTitle: _NS("Cancel")];
    [o_specificTime_ok_btn setTitle: _NS("OK")];
    [o_specificTime_sec_lbl setStringValue: _NS("sec.")];
    [o_specificTime_goTo_lbl setStringValue: _NS("Jump to time")];
}


- (void)dealloc
{
    [[NSNotificationCenter defaultCenter] removeObserver: self];

    [super dealloc];
}

- (IBAction)play:(id)sender
{
    [[VLCCoreInteraction sharedInstance] playOrPause];
}

- (IBAction)stop:(id)sender
{
    [[VLCCoreInteraction sharedInstance] stop];
}

- (IBAction)prev:(id)sender
{
    [[VLCCoreInteraction sharedInstance] previous];
}

- (IBAction)next:(id)sender
{
    [[VLCCoreInteraction sharedInstance] next];
}

- (IBAction)random:(id)sender
{
    [[VLCCoreInteraction sharedInstance] shuffle];
}

- (IBAction)repeat:(id)sender
{
    vlc_value_t val;
    intf_thread_t * p_intf = VLCIntf;
    playlist_t * p_playlist = pl_Get(p_intf);

    var_Get(p_playlist, "repeat", &val);
    if (! val.b_bool)
        [[VLCCoreInteraction sharedInstance] repeatOne];
    else
        [[VLCCoreInteraction sharedInstance] repeatOff];
}

- (IBAction)loop:(id)sender
{
    vlc_value_t val;
    intf_thread_t * p_intf = VLCIntf;
    playlist_t * p_playlist = pl_Get(p_intf);

    var_Get(p_playlist, "loop", &val);
    if (! val.b_bool)
        [[VLCCoreInteraction sharedInstance] repeatAll];
    else
        [[VLCCoreInteraction sharedInstance] repeatOff];
}

- (IBAction)quitAfterPlayback:(id)sender
{
    vlc_value_t val;
    playlist_t * p_playlist = pl_Get(VLCIntf);
    var_ToggleBool(p_playlist, "play-and-exit");
}

- (IBAction)forward:(id)sender
{
    [[VLCCoreInteraction sharedInstance] forward];
}

- (IBAction)backward:(id)sender
{
    [[VLCCoreInteraction sharedInstance] backward];
}

- (IBAction)volumeUp:(id)sender
{
    [[VLCCoreInteraction sharedInstance] volumeUp];
}

- (IBAction)volumeDown:(id)sender
{
    [[VLCCoreInteraction sharedInstance] volumeDown];
}

- (IBAction)mute:(id)sender
{
    [[VLCCoreInteraction sharedInstance] setMute: YES];
}

- (IBAction)volumeSliderUpdated:(id)sender
{
    [[VLCCoreInteraction sharedInstance] setVolume: [sender intValue]];
}

- (IBAction)showPosition: (id)sender
{
    input_thread_t * p_input = pl_CurrentInput(VLCIntf);
    if (p_input != NULL) {
        vout_thread_t *p_vout = input_GetVout(p_input);
        if (p_vout != NULL) {
            var_SetInteger(VLCIntf->p_libvlc, "key-action", ACTIONID_POSITION);
            vlc_object_release(p_vout);
        }
        vlc_object_release(p_input);
    }
}

- (IBAction)telxTransparent:(id)sender
{
    vlc_object_t *p_vbi;
    p_vbi = (vlc_object_t *) vlc_object_find_name(pl_Get(VLCIntf), "zvbi");
    if (p_vbi) {
        var_SetBool(p_vbi, "vbi-opaque", [sender state]);
        [sender setState: ![sender state]];
        vlc_object_release(p_vbi);
    }
}

- (IBAction)telxNavLink:(id)sender
{
    intf_thread_t * p_intf = VLCIntf;
    vlc_object_t *p_vbi;
    int i_page = 0;

    if ([[sender title] isEqualToString: _NS("Index")])
        i_page = 'i' << 16;
    else if ([[sender title] isEqualToString: _NS("Red")])
        i_page = 'r' << 16;
    else if ([[sender title] isEqualToString: _NS("Green")])
        i_page = 'g' << 16;
    else if ([[sender title] isEqualToString: _NS("Yellow")])
        i_page = 'y' << 16;
    else if ([[sender title] isEqualToString: _NS("Blue")])
        i_page = 'b' << 16;
    if (i_page == 0) return;

    p_vbi = (vlc_object_t *) vlc_object_find_name(pl_Get(VLCIntf), "zvbi");
    if (p_vbi) {
        var_SetInteger(p_vbi, "vbi-page", i_page);
        vlc_object_release(p_vbi);
    }
}

- (IBAction)lockVideosAspectRatio:(id)sender
{
    [[VLCCoreInteraction sharedInstance] setAspectRatioIsLocked: ![sender state]];
    [sender setState: [[VLCCoreInteraction sharedInstance] aspectRatioIsLocked]];
}

- (IBAction)addSubtitleFile:(id)sender
{
    NSInteger i_returnValue = 0;
    input_thread_t * p_input = pl_CurrentInput(VLCIntf);
    if (!p_input)
        return;

    input_item_t *p_item = input_GetItem(p_input);
    if (!p_item) {
        vlc_object_release(p_input);
        return;
    }

    char *path = input_item_GetURI(p_item);
    if (!path)
        path = strdup("");

    NSOpenPanel * openPanel = [NSOpenPanel openPanel];
    [openPanel setCanChooseFiles: YES];
    [openPanel setCanChooseDirectories: NO];
    [openPanel setAllowsMultipleSelection: YES];
    [openPanel setAllowedFileTypes: [NSArray arrayWithObjects: @"cdg",@"@idx",@"srt",@"sub",@"utf",@"ass",@"ssa",@"aqt",@"jss",@"psb",@"rt",@"smi",@"txt",@"smil", nil]];
    [openPanel setDirectoryURL:[NSURL fileURLWithPath:[[NSString stringWithUTF8String:path] stringByExpandingTildeInPath]]];
    i_returnValue = [openPanel runModal];
    free(path);

    if (i_returnValue == NSOKButton) {
        NSUInteger c = 0;
        if (!p_input)
            return;

        c = [[openPanel URLs] count];

        for (int i = 0; i < c ; i++) {
            msg_Dbg(VLCIntf, "loading subs from %s", [[[[openPanel URLs] objectAtIndex: i] path] UTF8String]);
            if (input_AddSubtitle(p_input, [[[[openPanel URLs] objectAtIndex: i] path] UTF8String], TRUE))
                msg_Warn(VLCIntf, "unable to load subtitles from '%s'",
                         [[[[openPanel URLs] objectAtIndex: i] path] UTF8String]);
        }
    }
    vlc_object_release(p_input);
}

- (BOOL)keyEvent:(NSEvent *)o_event
{
    BOOL eventHandled = NO;
    NSString * characters = [o_event charactersIgnoringModifiers];
    if ([characters length] > 0) {
        unichar key = [characters characterAtIndex: 0];

        if (key) {
            input_thread_t * p_input = pl_CurrentInput(VLCIntf);
            if (p_input != NULL) {
                vout_thread_t *p_vout = input_GetVout(p_input);

                if (p_vout != NULL) {
                    /* Escape */
                    if (key == (unichar) 0x1b) {
                        if (var_GetBool(p_vout, "fullscreen")) {
                            [[VLCCoreInteraction sharedInstance] toggleFullscreen];
                            eventHandled = YES;
                        }
                    }
                    else if (key == ' ') {
                        [self play:self];
                        eventHandled = YES;
                    }
                    vlc_object_release(p_vout);
                }
                vlc_object_release(p_input);
            }
        }
    }
    return eventHandled;
}

- (IBAction)goToSpecificTime:(id)sender
{
    if (sender == o_specificTime_cancel_btn)
    {
        [NSApp endSheet: o_specificTime_win];
        [o_specificTime_win close];
    } else if (sender == o_specificTime_ok_btn) {
        input_thread_t * p_input = pl_CurrentInput(VLCIntf);
        if (p_input) {
            int64_t timeInSec = 0;
            NSString * fieldContent = [o_specificTime_enter_fld stringValue];
            if ([[fieldContent componentsSeparatedByString: @":"] count] > 1 &&
               [[fieldContent componentsSeparatedByString: @":"] count] <= 3) {
                NSArray * ourTempArray = \
                    [fieldContent componentsSeparatedByString: @":"];

                if ([[fieldContent componentsSeparatedByString: @":"] count] == 3) {
                    timeInSec += ([[ourTempArray objectAtIndex: 0] intValue] * 3600); //h
                    timeInSec += ([[ourTempArray objectAtIndex: 1] intValue] * 60); //m
                    timeInSec += [[ourTempArray objectAtIndex: 2] intValue];        //s
                } else {
                    timeInSec += ([[ourTempArray objectAtIndex: 0] intValue] * 60); //m
                    timeInSec += [[ourTempArray objectAtIndex: 1] intValue]; //s
                }
            }
            else
                timeInSec = [fieldContent intValue];

            input_Control(p_input, INPUT_SET_TIME, (int64_t)(timeInSec * 1000000));
            vlc_object_release(p_input);
        }

        [NSApp endSheet: o_specificTime_win];
        [o_specificTime_win close];
    } else {
        input_thread_t * p_input = pl_CurrentInput(VLCIntf);
        if (p_input) {
            /* we can obviously only do that if an input is available */
            vlc_value_t pos, length;
            var_Get(p_input, "time", &pos);
            [o_specificTime_enter_fld setIntValue: (pos.i_time / 1000000)];
            var_Get(p_input, "length", &length);
            [o_specificTime_stepper setMaxValue: (length.i_time / 1000000)];

            [NSApp beginSheet: o_specificTime_win modalForWindow: \
                [NSApp mainWindow] modalDelegate: self didEndSelector: nil \
                contextInfo: nil];
            [o_specificTime_win makeKeyWindow];
            vlc_object_release(p_input);
        }
    }
}

@end

@implementation VLCControls (NSMenuValidation)

- (BOOL)validateMenuItem:(NSMenuItem *)o_mi
{
    return [[VLCMainMenu sharedInstance] validateMenuItem:o_mi];
}

@end
