src/ng/animateRunner.js
'use strict';
var $$AnimateAsyncRunFactoryProvider = /** @this */ function() {
this.$get = ['$$rAF', function($$rAF) {
var waitQueue = [];
function waitForTick(fn) {
waitQueue.push(fn);
if (waitQueue.length > 1) return;
$$rAF(function() {
for (var i = 0; i < waitQueue.length; i++) {
waitQueue[i]();
}
waitQueue = [];
});
}
return function() {
var passed = false;
waitForTick(function() {
passed = true;
});
return function(callback) {
if (passed) {
callback();
} else {
waitForTick(callback);
}
};
};
}];
};
var $$AnimateRunnerFactoryProvider = /** @this */ function() {
this.$get = ['$q', '$sniffer', '$$animateAsyncRun', '$$isDocumentHidden', '$timeout',
function($q, $sniffer, $$animateAsyncRun, $$isDocumentHidden, $timeout) {
var INITIAL_STATE = 0;
var DONE_PENDING_STATE = 1;
var DONE_COMPLETE_STATE = 2;
AnimateRunner.chain = function(chain, callback) {
var index = 0;
next();
function next() {
if (index === chain.length) {
callback(true);
return;
}
chain[index](function(response) {
if (response === false) {
callback(false);
return;
}
index++;
next();
});
}
};
AnimateRunner.all = function(runners, callback) {
var count = 0;
var status = true;
forEach(runners, function(runner) {
runner.done(onProgress);
});
function onProgress(response) {
status = status && response;
if (++count === runners.length) {
callback(status);
}
}
};
function AnimateRunner(host) {
this.setHost(host);
var rafTick = $$animateAsyncRun();
var timeoutTick = function(fn) {
$timeout(fn, 0, false);
};
this._doneCallbacks = [];
this._tick = function(fn) {
if ($$isDocumentHidden()) {
timeoutTick(fn);
} else {
rafTick(fn);
}
};
this._state = 0;
}
AnimateRunner.prototype = {
setHost: function(host) {
this.host = host || {};
},
done: function(fn) {
if (this._state === DONE_COMPLETE_STATE) {
fn();
} else {
this._doneCallbacks.push(fn);
}
},
progress: noop,
getPromise: function() {
if (!this.promise) {
var self = this;
this.promise = $q(function(resolve, reject) {
self.done(function(status) {
if (status === false) {
reject();
} else {
resolve();
}
});
});
}
return this.promise;
},
then: function(resolveHandler, rejectHandler) {
return this.getPromise().then(resolveHandler, rejectHandler);
},
'catch': function(handler) {
return this.getPromise()['catch'](handler);
},
'finally': function(handler) {
return this.getPromise()['finally'](handler);
},
pause: function() {
if (this.host.pause) {
this.host.pause();
}
},
resume: function() {
if (this.host.resume) {
this.host.resume();
}
},
end: function() {
if (this.host.end) {
this.host.end();
}
this._resolve(true);
},
cancel: function() {
if (this.host.cancel) {
this.host.cancel();
}
this._resolve(false);
},
complete: function(response) {
var self = this;
if (self._state === INITIAL_STATE) {
self._state = DONE_PENDING_STATE;
self._tick(function() {
self._resolve(response);
});
}
},
_resolve: function(response) {
if (this._state !== DONE_COMPLETE_STATE) {
forEach(this._doneCallbacks, function(fn) {
fn(response);
});
this._doneCallbacks.length = 0;
this._state = DONE_COMPLETE_STATE;
}
}
};
return AnimateRunner;
}];
};