web/res/metadataplayer/Shortcuts.js
author Yves-Marie Haussonne <1218002+ymph@users.noreply.github.com>
Fri, 13 May 2016 13:04:44 +0200
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IriSP.Widgets.Shortcuts = function(player, config) {
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    IriSP.Widgets.Widget.call(this, player, config);
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};
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/**
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 * Keyboard shortcuts widget
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 * This widgets add global shortcuts for common actions.
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 * The default shortcuts are: 
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 * - Control-space for play/pause
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 * - Control-left for rewind (+shift to go faster)
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 * - Control-right for forward (+shift to go faster)
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 */
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IriSP.Widgets.Shortcuts.prototype = new IriSP.Widgets.Widget();
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IriSP.Widgets.Shortcuts.prototype.defaults =  {
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    // Time increment, in ms, for backward/forward navigation
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    time_increment: 2000
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}
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IriSP.Widgets.Shortcuts.prototype.draw = function() {
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    var  _this = this;
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    /* Standard shortcuts */
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    Mousetrap.bindGlobal("ctrl+space", function (e) {
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        e.preventDefault();
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        if (! _this.media.getPaused()) {
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            _this.media.pause();
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        } else {
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            _this.media.play();
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        }
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        return false;
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    });
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    Mousetrap.bindGlobal("ctrl+left", function (e) {
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        // Backward
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        e.preventDefault();
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        _this.media.setCurrentTime(Math.max(0, _this.media.getCurrentTime() - _this.time_increment));
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        return false;
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    });
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    Mousetrap.bindGlobal("ctrl+shift+left", function (e) {
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        // Backward
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        e.preventDefault();
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        _this.media.setCurrentTime(Math.max(0, _this.media.getCurrentTime() - 5 * _this.time_increment));
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        return false;
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    });
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    Mousetrap.bindGlobal("ctrl+right", function (e) {
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        // Forward
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        e.preventDefault();
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        _this.media.setCurrentTime(Math.min(_this.media.duration, _this.media.getCurrentTime() + _this.time_increment));
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        return false;
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    });
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    Mousetrap.bindGlobal("ctrl+shift+right", function (e) {
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        // Forward
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        e.preventDefault();
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        _this.media.setCurrentTime(Math.min(_this.media.duration, _this.media.getCurrentTime() + 5 * _this.time_increment));
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        return false;
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    });
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    Mousetrap.bindGlobal("ctrl+a", function (e) {
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        // Annotate
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        e.preventDefault();
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        _this.player.trigger("CreateAnnotation.toggle");
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        return false;
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    });
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};