src/js/widgets/playerWidget.js
branchnew-model
changeset 875 43629caa77bc
parent 874 38b65761a7d5
child 876 03967b6ada7c
equal deleted inserted replaced
874:38b65761a7d5 875:43629caa77bc
     1 /* Internationalization for this widget */
       
     2 
       
     3 IriSP.i18n.addMessages(
       
     4     {
       
     5         "en": {
       
     6             "play_pause": "Play/Pause",
       
     7             "mute_unmute": "Mute/Unmute",
       
     8             "play": "Play",
       
     9             "pause": "Pause",
       
    10             "mute": "Mute",
       
    11             "unmute": "Unmute",
       
    12             "annotate": "Annotate",
       
    13             "search": "Search",
       
    14             "elapsed_time": "Elapsed time",
       
    15             "total_time": "Total time",
       
    16             "volume": "Volume",
       
    17             "volume_control": "Volume control"
       
    18         },
       
    19         "fr": {
       
    20             "play_pause": "Lecture/Pause",
       
    21             "mute_unmute": "Couper/Activer le son",
       
    22             "play": "Lecture",
       
    23             "pause": "Pause",
       
    24             "mute": "Couper le son",
       
    25             "unmute": "Activer le son",
       
    26             "annotate": "Annoter",
       
    27             "search": "Rechercher",
       
    28             "elapsed_time": "Durée écoulée",
       
    29             "total_time": "Durée totale",
       
    30             "volume": "Niveau sonore",
       
    31             "volume_control": "Réglage du niveau sonore"
       
    32         }
       
    33     }
       
    34 );
       
    35 
       
    36 
       
    37 IriSP.PlayerWidget = function(player, config) {
       
    38   IriSP.Widget.call(this, player, config);
       
    39   
       
    40   this._searchLastValue = "";
       
    41 };
       
    42 
       
    43 IriSP.PlayerWidget.prototype = new IriSP.Widget();
       
    44 
       
    45 IriSP.PlayerWidget.prototype.draw = function() {
       
    46     var _this = this,
       
    47         _html = IriSP.templToHTML(IriSP.player_template, this);
       
    48     
       
    49     this.$.append(_html);
       
    50     
       
    51     // Define blocks
       
    52     this.$playButton = this.$.find(".Ldt-Ctrl-Play");
       
    53     this.$searchBlock = this.$.find(".Ldt-Ctrl-Search");
       
    54     this.$searchInput = this.$.find(".Ldt-Ctrl-SearchInput");
       
    55     this.$volumeBar = this.$.find(".Ldt-Ctrl-Volume-Bar");
       
    56     
       
    57     // handle events
       
    58     this.bindPopcorn("play","playButtonUpdater");
       
    59     this.bindPopcorn("pause","playButtonUpdater");
       
    60     this.bindPopcorn("volumechange","volumeUpdater");
       
    61     this.bindPopcorn("timeupdate","timeDisplayUpdater");
       
    62     this.bindPopcorn("loadedmetadata","timeDisplayUpdater");
       
    63     this.bindPopcorn("IriSP.search.matchFound","searchMatch");
       
    64     this.bindPopcorn("IriSP.search.noMatchFound","searchNoMatch");
       
    65     this.bindPopcorn("IriSP.search.triggeredSearch","triggeredSearch");
       
    66     
       
    67     // handle clicks
       
    68     this.$playButton.click(this.functionWrapper("playHandler"));
       
    69     
       
    70     this.$.find(".Ldt-Ctrl-Annotate").click(function() {
       
    71         _this.player.popcorn.trigger("IriSP.PlayerWidget.AnnotateButton.clicked");
       
    72     });
       
    73     this.$.find(".Ldt-Ctrl-SearchBtn").click(this.functionWrapper("searchButtonHandler"));
       
    74     
       
    75     this.$searchInput.keyup(this.functionWrapper("searchHandler") );
       
    76   
       
    77 	var _volctrl = this.$.find(".Ldt-Ctrl-Volume-Control");
       
    78     this.$.find('.Ldt-Ctrl-Sound')
       
    79         .click(this.functionWrapper("muteHandler"))
       
    80         .mouseover(function() {
       
    81             _volctrl.show();
       
    82         })
       
    83         .mouseout(function() {
       
    84             _volctrl.hide();
       
    85         });
       
    86     _volctrl.mouseover(function() {
       
    87         _volctrl.show();
       
    88     }).mouseout(function() {
       
    89         _volctrl.hide();
       
    90     });
       
    91   
       
    92     
       
    93     // Allow Volume Cursor Dragging
       
    94     this.$volumeBar.slider({
       
    95         slide: function(event, ui) {
       
    96             _this.$volumeBar.attr("title",IriSP.i18n.getMessage('volume')+': ' + ui.value + '%');
       
    97             _this.player.popcorn.volume(ui.value / 100);
       
    98         },
       
    99         stop: this.functionWrapper("volumeUpdater")
       
   100     });
       
   101 
       
   102     // trigger an IriSP.PlayerWidget.MouseOver to the widgets that are interested (i.e : sliderWidget)
       
   103     this.$.hover(
       
   104         function() {
       
   105             _this.player.popcorn.trigger("IriSP.PlayerWidget.MouseOver");
       
   106         }, 
       
   107         function() {
       
   108             _this.player.popcorn.trigger("IriSP.PlayerWidget.MouseOut");
       
   109         });
       
   110     setTimeout(this.functionWrapper("volumeUpdater"), 1000);
       
   111     /* some players - including jwplayer - save the state of the mute button between sessions */
       
   112 };
       
   113 
       
   114 /* Update the elasped time div */
       
   115 IriSP.PlayerWidget.prototype.timeDisplayUpdater = function() {
       
   116     var _curTime = this.player.popcorn.roundTime();
       
   117     if (typeof this._previousSecond !== "undefined" && _curTime === this._previousSecond) {
       
   118         return;
       
   119     }
       
   120   
       
   121     // we get it at each call because it may change.
       
   122     var _totalTime = this.source.getDuration(),
       
   123         _elapsedTime = new IriSP.Model.Time();
       
   124         
       
   125     _elapsedTime.setSeconds(_curTime);
       
   126   
       
   127     this.$.find(".Ldt-Ctrl-Time-Elapsed").html(_elapsedTime.toString());
       
   128     this.$.find(".Ldt-Ctrl-Time-Total").html(_totalTime.toString());
       
   129     this._previousSecond = _curTime;
       
   130 };
       
   131 
       
   132 /* update the icon of the button - separate function from playHandler
       
   133    because in some cases (for instance, when the user directly clicks on
       
   134    the jwplayer window) we have to change the icon without playing/pausing
       
   135 */
       
   136 IriSP.PlayerWidget.prototype.playButtonUpdater = function() {
       
   137     
       
   138     var status = this.player.popcorn.media.paused;
       
   139   
       
   140     if (status) {
       
   141     /* the background sprite is changed by adding/removing the correct classes */
       
   142         this.$playButton
       
   143             .attr("title", IriSP.i18n.getMessage('play'))
       
   144             .removeClass("Ldt-Ctrl-Play-PauseState")
       
   145             .addClass("Ldt-Ctrl-Play-PlayState");
       
   146     } else {
       
   147         this.$playButton
       
   148             .attr("title", IriSP.i18n.getMessage('pause'))
       
   149             .removeClass("Ldt-Ctrl-Play-PlayState")
       
   150             .addClass("Ldt-Ctrl-Play-PauseState");
       
   151     }
       
   152 };
       
   153 
       
   154 
       
   155 IriSP.PlayerWidget.prototype.playHandler = function() {
       
   156     
       
   157     var status = this.player.popcorn.media.paused;
       
   158   
       
   159     if (status) {        
       
   160         this.player.popcorn.play();   
       
   161     } else {
       
   162         this.player.popcorn.pause();
       
   163     }  
       
   164 };
       
   165 
       
   166 IriSP.PlayerWidget.prototype.muteHandler = function() {
       
   167     this.player.popcorn.mute(!this.player.popcorn.muted());
       
   168 };
       
   169 
       
   170 IriSP.PlayerWidget.prototype.volumeUpdater = function() {
       
   171     var _muted = this.player.popcorn.muted(),
       
   172         _vol = this.player.popcorn.volume();
       
   173     if (_vol === false) {
       
   174         _vol = .5;
       
   175     }
       
   176     var _soundCtl = this.$.find(".Ldt-Ctrl-Sound");
       
   177     _soundCtl.removeClass("Ldt-Ctrl-Sound-Mute Ldt-Ctrl-Sound-Half Ldt-Ctrl-Sound-Full");
       
   178     if (_muted) {        
       
   179         _soundCtl.attr("title", IriSP.i18n.getMessage('unmute'))
       
   180             .addClass("Ldt-Ctrl-Sound-Mute");    
       
   181     } else {
       
   182         _soundCtl.attr("title", IriSP.i18n.getMessage('mute'))
       
   183             .addClass(_vol < .5 ? "Ldt-Ctrl-Sound-Half" : "Ldt-Ctrl-Sound-Full" )
       
   184     }
       
   185     this.$volumeBar.slider("value", _muted ? 0 : 100 * _vol);
       
   186 };
       
   187 
       
   188 IriSP.PlayerWidget.prototype.showSearchBlock = function() {
       
   189     this.$searchBlock.show("blind", { direction: "horizontal"}, 100);
       
   190     this.$searchInput.css('background-color','#fff');
       
   191    
       
   192     this.$searchInput.focus();
       
   193     
       
   194     // we need this variable because some widgets can find a match in
       
   195     // their data while at the same time others don't. As we want the
       
   196     // search field to become green when there's a match, we need a 
       
   197     // variable to remember that we had one.
       
   198     this._positiveMatch = false;
       
   199 
       
   200     // tell the world the field is open
       
   201     this.player.popcorn.trigger("IriSP.search.open");
       
   202 };
       
   203 
       
   204 IriSP.PlayerWidget.prototype.hideSearchBlock = function() {
       
   205     this._searchLastValue = this.$searchInput.val();
       
   206     this.$searchInput.val('');
       
   207     this.$searchBlock.hide("blind", { direction: "horizontal"}, 75);
       
   208 
       
   209     this._positiveMatch = false;
       
   210     
       
   211     this.player.popcorn.trigger("IriSP.search.closed");
       
   212 };
       
   213 
       
   214 /** react to clicks on the search button */
       
   215 IriSP.PlayerWidget.prototype.searchButtonHandler = function() {
       
   216     if ( this.$searchBlock.is(":hidden") ) {
       
   217         this.showSearchBlock();
       
   218         this.$searchInput.val(this._searchLastValue);      
       
   219         this.player.popcorn.trigger("IriSP.search", this._searchLastValue); // trigger the search to make it more natural.
       
   220 	} else {
       
   221         this.hideSearchBlock();
       
   222     }
       
   223 };
       
   224 
       
   225 /** this handler is called whenever the content of the search
       
   226    field changes */
       
   227 IriSP.PlayerWidget.prototype.searchHandler = function() {
       
   228     this._searchLastValue = this.$searchInput.val();
       
   229     this._positiveMatch = false;
       
   230   
       
   231     // do nothing if the search field is empty, instead of highlighting everything.
       
   232     if (this._searchLastValue == "") {
       
   233         this.player.popcorn.trigger("IriSP.search.cleared");
       
   234         this.$searchInput.css('background-color','');
       
   235     } else {
       
   236         this.player.popcorn.trigger("IriSP.search", this._searchLastValue);
       
   237     }
       
   238 };
       
   239 
       
   240 /**
       
   241   handler for the IriSP.search.found message, which is sent by some views when they
       
   242   highlight a match.
       
   243 */
       
   244 IriSP.PlayerWidget.prototype.searchMatch = function() {
       
   245     this._positiveMatch = true;
       
   246     this.$searchInput.css('background-color','#e1ffe1');
       
   247 };
       
   248 
       
   249 /** the same, except that no value could be found */
       
   250 IriSP.PlayerWidget.prototype.searchNoMatch = function() {
       
   251     if (this._positiveMatch !== true) {
       
   252         this.$searchInput.css('background-color', "#d62e3a");
       
   253     }
       
   254 };
       
   255 
       
   256 /** react to an IriSP.Player.triggeredSearch - that is, when
       
   257     a widget ask the PlayerWidget to do a search on his behalf */
       
   258 IriSP.PlayerWidget.prototype.triggeredSearch = function(searchString) {
       
   259     this.showSearchBlock();
       
   260     this.$searchInput.attr('value', searchString);      
       
   261     this.player.popcorn.trigger("IriSP.search", searchString); // trigger the search to make it more natural.
       
   262 };
       
   263 
       
   264