/* Displays Play and Pause buttons, Search Button and Form, Volume Control */

IriSP.Widgets.Controller = function(player, config) {

    IriSP.Widgets.Widget.call(this, player, config);

    this.lastSearchValue = "";

};

IriSP.Widgets.Controller.prototype = new IriSP.Widgets.Widget();

IriSP.Widgets.Controller.prototype.defaults = {

    disable_annotate_btn: false,

    disable_search_btn: false,

    disable_ctrl_f: false

}

IriSP.Widgets.Controller.prototype.template =

    '<div class="Ldt-Ctrl">'

    + '<div class="Ldt-Ctrl-Left">'

    + '<div class="Ldt-Ctrl-button Ldt-Ctrl-Play Ldt-Ctrl-Play-PlayState Ldt-TraceMe" title="{{l10n.play_pause}}"></div>'

    + '<div class="Ldt-Ctrl-spacer"></div>'

    + '{{^disable_annotate_btn}}'

    + '<div class="Ldt-Ctrl-button Ldt-Ctrl-Annotate Ldt-TraceMe" title="{{l10n.annotate}}"></div>'

    + '<div class="Ldt-Ctrl-spacer"></div>'

    + '{{/disable_annotate_btn}}'

    + '{{^disable_search_btn}}'

    + '<div class="Ldt-Ctrl-button Ldt-Ctrl-SearchBtn Ldt-TraceMe" title="{{l10n.search}}"></div>'

    + '<div class="Ldt-Ctrl-spacer"></div>'

    + '{{/disable_search_btn}}'

    + '<div class="Ldt-Ctrl-Search">'

    + '<input class="Ldt-Ctrl-SearchInput Ldt-TraceMe"></input>'

    + '</div>'

    + '</div>'

    + '<div class="Ldt-Ctrl-Right">'

    + '<div class="Ldt-Ctrl-spacer"></div>'

    + '<div class="Ldt-Ctrl-Time">'

    + '<div class="Ldt-Ctrl-Time-Elapsed" title="{{l10n.elapsed_time}}">00:00</div>'

    + '<div class="Ldt-Ctrl-Time-Separator">/</div>'

    + '<div class="Ldt-Ctrl-Time-Total" title="{{l10n.total_time}}">00:00</div>'

    + '</div>'

    + '<div class="Ldt-Ctrl-spacer"></div>'

    + '<div class="Ldt-Ctrl-button Ldt-Ctrl-Sound Ldt-Ctrl-Sound-Full Ldt-TraceMe" title="{{l10n.mute_unmute}}"></div>'

    + '</div>'

    + '<div class="Ldt-Ctrl-Volume-Control" title="{{l10n.volume_control}}">'

    + '<div class="Ldt-Ctrl-Volume-Bar"></div>'

    + '</div>'

    + '</div>';

IriSP.Widgets.Controller.prototype.messages = {

    en: {

        play_pause: "Play/Pause",

        mute_unmute: "Mute/Unmute",

        play: "Play",

        pause: "Pause",

        mute: "Mute",

        unmute: "Unmute",

        annotate: "Annotate",

        search: "Search",

        elapsed_time: "Elapsed time",

        volume: "Volume",

        volume_control: "Volume control"

    },

    fr: {

        play_pause: "Lecture/Pause",

        mute_unmute: "Couper/Activer le son",

        play: "Lecture",

        pause: "Pause",

        mute: "Couper le son",

        unmute: "Activer le son",

        annotate: "Annoter",

        search: "Rechercher",

        total_time: "Durée totale",

        volume: "Niveau sonore",

        volume_control: "Réglage du niveau sonore"

    }

};

IriSP.Widgets.Controller.prototype.draw = function() {

    var _this = this;

    this.renderTemplate();

    // Define blocks

    this.$playButton = this.$.find(".Ldt-Ctrl-Play");

    this.$searchBlock = this.$.find(".Ldt-Ctrl-Search");

    this.$searchInput = this.$.find(".Ldt-Ctrl-SearchInput");

    this.$volumeBar = this.$.find(".Ldt-Ctrl-Volume-Bar");

    // handle events

    this.onMediaEvent("play","playButtonUpdater");

    this.onMediaEvent("pause","playButtonUpdater");

    this.onMediaEvent("volumechange","volumeUpdater");

    this.onMediaEvent("timeupdate","timeDisplayUpdater");

    this.onMediaEvent("loadedmetadata","volumeUpdater");

    this.onMdpEvent("search.matchFound","searchMatch");

    this.onMdpEvent("search.noMatchFound","searchNoMatch");

    this.onMdpEvent("search.triggeredSearch","triggeredSearch");

    this.onMdpEvent("search.cleared","hideSearchBlock");

    // handle clicks

    this.$playButton.click(this.functionWrapper("playHandler"));

    this.$.find(".Ldt-Ctrl-Annotate").click(function() {

        _this.player.trigger("CreateAnnotation.toggle");

    });

    this.$.find(".Ldt-Ctrl-SearchBtn").click(this.functionWrapper("searchButtonHandler"));

    this.$searchInput.keyup(this.functionWrapper("searchHandler"));

	var _volctrl = this.$.find(".Ldt-Ctrl-Volume-Control");

    this.$.find('.Ldt-Ctrl-Sound')

        .click(this.functionWrapper("muteHandler"))

        .mouseover(function() {

            _volctrl.show();

        })

        .mouseout(function() {

            _volctrl.hide();

        });

    _volctrl.mouseover(function() {

        _volctrl.show();

    }).mouseout(function() {

        _volctrl.hide();

    });

    // Handle CTRL-F

    if (!this.disable_ctrl_f) {

        var _fKey = "F".charCodeAt(0),

            _lastCtrlFTime = 0;

        IriSP.jQuery(document).keydown(function(_event) {

            if (_event.keyCode === _fKey && (_event.ctrlKey || _event.metaKey)) {

                var _time = IriSP.jQuery.now();

                if (_time - _lastCtrlFTime > 2000) {

                    _this.searchButtonHandler();

                }

                _lastCtrlFTime = _time;

                return false;

            }

        });

    }

    // Allow Volume Cursor Dragging

    this.$volumeBar.slider({

        slide: function(event, ui) {

            _this.$volumeBar.attr("title",_this.l10n.volume+': ' + ui.value + '%');

            _this.media.setVolume(ui.value / 100);

        },

        stop: this.functionWrapper("volumeUpdater")

    });

    // trigger an IriSP.Player.MouseOver to the widgets that are interested (i.e : sliderWidget)

    this.$.hover(

        function() {

            _this.player.trigger("Player.MouseOver");

        }, 

        function() {

            _this.player.trigger("Player.MouseOut");

        });

    this.timeDisplayUpdater(new IriSP.Model.Time(0));

};

/* Update the elasped time div */

IriSP.Widgets.Controller.prototype.timeDisplayUpdater = function(_time) {

    // we get it at each call because it may change.

    var _totalTime = this.media.duration;

    this.$.find(".Ldt-Ctrl-Time-Elapsed").html(_time.toString());

    this.$.find(".Ldt-Ctrl-Time-Total").html(_totalTime.toString());

};

/* update the icon of the button - separate function from playHandler

   because in some cases (for instance, when the user directly clicks on

   the jwplayer window) we have to change the icon without playing/pausing

*/

IriSP.Widgets.Controller.prototype.playButtonUpdater = function() {

    if (this.media.getPaused()) {

    /* the background sprite is changed by adding/removing the correct classes */

        this.$playButton

            .attr("title", this.l10n.play)

            .removeClass("Ldt-Ctrl-Play-PauseState")

            .addClass("Ldt-Ctrl-Play-PlayState");

    } else {

        this.$playButton

            .attr("title", this.l10n.pause)

            .removeClass("Ldt-Ctrl-Play-PlayState")

            .addClass("Ldt-Ctrl-Play-PauseState");

    }

};

IriSP.Widgets.Controller.prototype.playHandler = function() {

    if (this.media.getPaused()) {        

        this.media.play();

    } else {

        this.media.pause();

    }  

};

IriSP.Widgets.Controller.prototype.muteHandler = function() {

    this.media.setMuted(!this.media.getMuted());

};

IriSP.Widgets.Controller.prototype.volumeUpdater = function() {

    var _muted = this.media.getMuted(),

        _vol = this.media.getVolume();

    if (_vol === false) {

        _vol = .5;

    }

    var _soundCtl = this.$.find(".Ldt-Ctrl-Sound");

    _soundCtl.removeClass("Ldt-Ctrl-Sound-Mute Ldt-Ctrl-Sound-Half Ldt-Ctrl-Sound-Full");

    if (_muted) {        

        _soundCtl.attr("title", this.l10n.unmute)

            .addClass("Ldt-Ctrl-Sound-Mute");    

    } else {

        _soundCtl.attr("title", this.l10n.mute)

            .addClass(_vol < .5 ? "Ldt-Ctrl-Sound-Half" : "Ldt-Ctrl-Sound-Full" )

    }

    this.$volumeBar.slider("value", _muted ? 0 : 100 * _vol);

};

IriSP.Widgets.Controller.prototype.showSearchBlock = function() {

    this.$searchBlock.animate({ width:"160px" }, 200);

    this.$searchInput.css('background-color','#fff');

    this.$searchInput.focus();

    // we need this variable because some widgets can find a match in

    // their data while at the same time others don't. As we want the

    // search field to become green when there's a match, we need a 

    // variable to remember that we had one.

    this._positiveMatch = false;

    // tell the world the field is open

    this.player.trigger("search.open");

};

IriSP.Widgets.Controller.prototype.hideSearchBlock = function() {

    this.$searchBlock.animate( { width: 0 }, 200);

    this._positiveMatch = false;

    this.player.trigger("search.closed");

};

/** react to clicks on the search button */

IriSP.Widgets.Controller.prototype.searchButtonHandler = function() {

    if ( !this.$searchBlock.width() ) {

        this.showSearchBlock();

        var _val = this.$searchInput.val();

        if (_val) {

            this.player.trigger("search", _val); // trigger the search to make it more natural.

        }

	} else {

        this.hideSearchBlock();

    }

};

/** this handler is called whenever the content of the search

   field changes */

IriSP.Widgets.Controller.prototype.searchHandler = function() {

    if ( !this.$searchBlock.width() ) {

        this.$searchBlock.css({ width:"160px" });

        this.$searchInput.css('background-color','#fff');

    }

    var _val = this.$searchInput.val();

    this._positiveMatch = false;

    // do nothing if the search field is empty, instead of highlighting everything.

    if (_val !== this.lastSearchValue) {

        if (_val) {

            this.player.trigger("search", _val);

        } else {

            this.player.trigger("search.cleared");

            this.$searchInput.css('background-color','');

        }

    }

    this.lastSearchValue = _val;

};

/**

  handler for the IriSP.search.found message, which is sent by some views when they

  highlight a match.

*/

IriSP.Widgets.Controller.prototype.searchMatch = function() {

    this._positiveMatch = true;

    this.$searchInput.css('background-color','#e1ffe1');

};

/** the same, except that no value could be found */

IriSP.Widgets.Controller.prototype.searchNoMatch = function() {

    if (this._positiveMatch !== true) {

        this.$searchInput.css('background-color', "#d62e3a");

    }

};

/** react to an IriSP.Player.triggeredSearch - that is, when

    a widget ask the.Player to do a search on his behalf */

IriSP.Widgets.Controller.prototype.triggeredSearch = function(searchString) {

    this.showSearchBlock();

    this.$searchInput.attr('value', searchString);      

    this.player.trigger("search", searchString); // trigger the search to make it more natural.

};