Function triggerAnimationStart

lib/test/angular/1.4.3/angular-animate.js:1171–1258

()

        };

        function triggerAnimationStart() {
          // just incase a stagger animation kicks in when the animation
          // itself was cancelled entirely
          if (animationClosed) return;

          applyBlocking(false);

          forEach(temporaryStyles, function(entry) {
            var key = entry[0];
            var value = entry[1];
            node.style[key] = value;
          });

          applyAnimationClasses(element, options);
          $$jqLite.addClass(element, activeClasses);

          if (flags.recalculateTimingStyles) {
            fullClassName = node.className + ' ' + setupClasses;
            cacheKey = gcsHashFn(node, fullClassName);

            timings = computeTimings(node, fullClassName, cacheKey);
            relativeDelay = timings.maxDelay;
            maxDelay = Math.max(relativeDelay, 0);
            maxDuration = timings.maxDuration;

            if (maxDuration === 0) {
              close();
              return;
            }

            flags.hasTransitions = timings.transitionDuration > 0;
            flags.hasAnimations = timings.animationDuration > 0;
          }

          if (flags.applyTransitionDelay || flags.applyAnimationDelay) {
            relativeDelay = typeof options.delay !== "boolean" && truthyTimingValue(options.delay)
                  ? parseFloat(options.delay)
                  : relativeDelay;

            maxDelay = Math.max(relativeDelay, 0);

            var delayStyle;
            if (flags.applyTransitionDelay) {
              timings.transitionDelay = relativeDelay;
              delayStyle = getCssDelayStyle(relativeDelay);
              temporaryStyles.push(delayStyle);
              node.style[delayStyle[0]] = delayStyle[1];
            }

            if (flags.applyAnimationDelay) {
              timings.animationDelay = relativeDelay;
              delayStyle = getCssDelayStyle(relativeDelay, true);
              temporaryStyles.push(delayStyle);
              node.style[delayStyle[0]] = delayStyle[1];
            }
          }

          maxDelayTime = maxDelay * ONE_SECOND;