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Play/Pause working.

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s1341 2013-12-16 15:32:08 +02:00
parent ccfb0e2d56
commit ab9b55dbc4
1 changed files with 70 additions and 11 deletions
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81
src/static/js/broadcast_slider.js
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@ -21,11 +21,14 @@ require('./jquery.class');
$.Class("RevisionSlider",
{//statics
PLAYBACK_DELAY: 400,
},
{//instance
init: function (connection, root_element) {
this.connection = connection;
this.revision_number = this.connection.getCurrentRevision().revnum;
this.timestamp = 0;
this.is_playing = false;
// if there was a revision specified in the 'location.hash', jump to it.
if (window.location.hash.length > 1) {
var rev = Number(window.location.hash.substr(1));
@ -79,11 +82,61 @@ $.Class("RevisionSlider",
this.slider.createHandle(rev.revNum, "star");
}
},
goToRevision: function (revnum) {
//TODO: this should actually do an async jump to revision (with all the server fetching
//and changeset rendering that that implies), and perform the setPosition in a callback.
//TODO: we need some kind of callback for setting revision metadata.
//TODO: at some point we need to set window.location.hash
playpause: function () {
if (this.is_playing) {
this.is_playing = false;
return;
}
var revnum = this.revision_number;
if (revnum == this.connection.head_revision)
revnum = 0;
var _this = this;
var keepPlaying = function (current_revnum) {
if (current_revnum == _this.connection.head_revision)
_this.is_playing = false;
if (!_this.is_playing)
return;
setTimeout(function () {
_this.goToRevision(current_revnum + 1, keepPlaying);
}, RevisionSlider.PLAYBACK_DELAY);
};
this.is_playing = true;
this.goToRevision(revnum, keepPlaying);
},
/**
* Update the UI elements to the current revision
*/
render: function () {
this.elements.revision_label.html(html10n.get("timeslider.version", { "version": this.revision_number }));
this.slider.setValue(this.revision_number);
window.location.hash = "#" + this.revision_number;
this.setTimestamp(this.timestamp);
if (this.is_playing)
this.elements.button_play.find("div").addClass("pause");
else
this.elements.button_play.find("div").removeClass("pause");
if (this.revision_number == this.connection.head_revision)
this.elements.button_right.addClass("disabled");
else
this.elements.button_right.removeClass("disabled");
if (this.revision_number === 0)
this.elements.button_left.addClass("disabled");
else
this.elements.button_left.removeClass("disabled");
},
/**
* Go to a specific revision number. This will perform the actual
* transition to the revision and set the UI elements as required
* once the transition is done. The callback can be used to perform
* actions after the transition is complete and the UI has been
* updated.
* @param {number} revnum - The revision to transition to.
* @param {callback} atRevision_callback - The callback.
*/
goToRevision: function (revnum, atRevision_callback) {
if (revnum > this.connection.head_revision)
revnum = this.connection.latest_revision;
if (revnum < 0)
@ -94,15 +147,18 @@ $.Class("RevisionSlider",
this.connection.goToRevision(revnum, function (revision, timestamp) {
console.log("[revisionslider > goToRevision > callback]", revision, timestamp);
//update UI elements:
var revnum = revision.revnum;
_this.elements.revision_label.html(html10n.get("timeslider.version", { "version": revnum }));
_this.slider.setValue(revnum);
_this.revision_number = revnum;
window.location.hash = "#" + revnum;
_this.setTimestamp(timestamp);
_this.revision_number = revision.revnum;
_this.timestamp = timestamp;
_this.render.call(_this);
//TODO: set the enabled/disabled for button-left and button-right
if (atRevision_callback)
atRevision_callback(revnum);
});
},
/**
* Set the timestamp and revision date displays
* @param {number} timestamp - The timestamp of the current revision.
*/
setTimestamp: function (timestamp) {
var zeropad = function (str, length) {
str = str + "";
@ -155,6 +211,9 @@ $.Class("RevisionSlider",
_this.goToRevision(_this.revision_number + 1);
});
this.elements.button_play.on("click", function (event) {
_this.playpause();
});
}
}