/*
 *	Copyright © Dave Perrett and Malcolm Jarvis
 *	This code is licensed under the GPL version 2.
 *	For more details, see http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 *
 * Class Dialog
 */

function Dialog(){
    this.initialize();
}
 
Dialog.prototype = {

    /*
     * Constructor
     */
    initialize: function() {
		
		/*
		 * Private Interface Variables
		 */
		this._container = $('#dialog_container');
		this._heading = $('#dialog_heading');
		this._message = $('#dialog_message');
		this._cancel_button = $('#dialog_cancel_button');
		this._confirm_button = $('#dialog_confirm_button');
		this._callback_function = '';
		this._callback_data = null;
		
		// Observe the buttons
		this._cancel_button.bind('click', {dialog: this}, this.onCancelClicked );
		this._confirm_button.bind('click', {dialog: this}, this.onConfirmClicked );
	},




    
    /*--------------------------------------------
     * 
     *  E V E N T   F U N C T I O N S
     * 
     *--------------------------------------------*/

	hideDialog: function( )
	{
		$('body.dialog_showing').removeClass('dialog_showing');
		if (Safari3) {
			$('div#dialog_container div.dialog_window').css('top', '-150px');
			setTimeout("dialog._container.hide();",500);
		} else {
			this._container.hide();
			transmission.hideiPhoneAddressbar();
		}
		transmission.updateButtonStates();
	},

	onCancelClicked: function( event )
	{
		event.data.dialog.hideDialog( );
	},

	onConfirmClicked: function( event )
	{
		var dialog = event.data.dialog;
		eval( dialog._callback_function + "(dialog._callback_data)" );
		dialog.hideDialog( );
	},

    /*--------------------------------------------
     * 
     *  I N T E R F A C E   F U N C T I O N S
     * 
     *--------------------------------------------*/
    
    /*
     * Display a confirm dialog
     */
    confirm: function(dialog_heading, dialog_message, confirm_button_label, callback_function, callback_data, cancel_button_label) {
		if (!iPhone && Safari3) {
			$('div#upload_container div.dialog_window').css('top', '-205px');
			$('div#prefs_container div.dialog_window').css('top', '-425px');
			setTimeout("$('#upload_container').hide();",500);
			setTimeout("$('#prefs_container').hide();",500);
		} else if (!iPhone) {
			$('.dialog_container').hide();
		}
		setInnerHTML( this._heading[0], dialog_heading );
		setInnerHTML( this._message[0], dialog_message );
		setInnerHTML( this._cancel_button[0], (cancel_button_label == null) ? 'Cancel' : cancel_button_label );
		setInnerHTML( this._confirm_button[0], confirm_button_label );
		this._confirm_button.show();
		this._callback_function = callback_function;
		this._callback_data = callback_data;
		$('body').addClass('dialog_showing');
		this._container.show();
		transmission.updateButtonStates();
		if (iPhone) {
			transmission.hideiPhoneAddressbar();
		} else if (Safari3) {
			setTimeout("$('div#dialog_container div.dialog_window').css('top', '0px');",10);
		}
	},
    
    /*
     * Display an alert dialog
     */
    alert: function(dialog_heading, dialog_message, cancel_button_label) {
		if (!iPhone && Safari3) {
			$('div#upload_container div.dialog_window').css('top', '-205px');
			$('div#prefs_container div.dialog_window').css('top', '-425px');
			setTimeout("$('#upload_container').hide();",500);
			setTimeout("$('#prefs_container').hide();",500);
		} else if (!iPhone) {
			$('.dialog_container').hide();
		}
		setInnerHTML( this._heading[0], dialog_heading );
		setInnerHTML( this._message[0], dialog_message );
		// jquery::hide() doesn't work here in Safari for some odd reason
		this._confirm_button.css('display', 'none');
		setInnerHTML( this._cancel_button[0], cancel_button_label );
		// Just in case
		if (!iPhone && Safari3) {
			$('div#upload_container div.dialog_window').css('top', '-205px');
			setTimeout("$('#upload_container').hide();",500);
		} else {
			$('#upload_container').hide();
		}
		$('body').addClass('dialog_showing');
		transmission.updateButtonStates();
		if (iPhone) {
			transmission.hideiPhoneAddressbar();
			this._container.show();
		} else if (Safari3) {
			// long pause as we just hid all the dialogs on a timeout - we'll get the error
			// scrolling in and immediately disappearing if we're not careful!
			//dialogTimeout = null;
			this._container.show();
			setTimeout("$('div#dialog_container div.dialog_window').css('top', '0px');",500);
		} else {
			this._container.show();
		}
	}
	

}
