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refactor(animations): ensure animation data-structures are created only when used

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Closes #12250
This commit is contained in:
Matias Niemelä
2016-10-12 11:24:54 -07:00
committed by Igor Minar
parent 606e51881a
commit 33c8948fd3
7 changed files with 131 additions and 89 deletions
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16
modules/@angular/compiler/src/animation/animation_compiler.ts
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@ -32,6 +32,7 @@ export class AnimationCompiler {
var _ANIMATION_FACTORY_ELEMENT_VAR = o.variable('element');
var _ANIMATION_DEFAULT_STATE_VAR = o.variable('defaultStateStyles');
var _ANIMATION_FACTORY_VIEW_VAR = o.variable('view');
var _ANIMATION_FACTORY_VIEW_CONTEXT = _ANIMATION_FACTORY_VIEW_VAR.prop('animationContext');
var _ANIMATION_FACTORY_RENDERER_VAR = _ANIMATION_FACTORY_VIEW_VAR.prop('renderer');
var _ANIMATION_CURRENT_STATE_VAR = o.variable('currentState');
var _ANIMATION_NEXT_STATE_VAR = o.variable('nextState');
@ -186,7 +187,7 @@ class _AnimationBuilder implements AnimationAstVisitor {
context.stateMap.registerState(DEFAULT_STATE, {});
var statements: o.Statement[] = [];
statements.push(_ANIMATION_FACTORY_VIEW_VAR
statements.push(_ANIMATION_FACTORY_VIEW_CONTEXT
.callMethod(
'cancelActiveAnimation',
[
@ -263,13 +264,20 @@ class _AnimationBuilder implements AnimationAstVisitor {
.toStmt()])])
.toStmt());
statements.push(_ANIMATION_FACTORY_VIEW_VAR
var transitionParams = o.literalMap([
['toState', _ANIMATION_NEXT_STATE_VAR], ['fromState', _ANIMATION_CURRENT_STATE_VAR],
['totalTime', _ANIMATION_TIME_VAR]
]);
var transitionEvent = o.importExpr(resolveIdentifier(Identifiers.AnimationTransitionEvent))
.instantiate([transitionParams]);
statements.push(_ANIMATION_FACTORY_VIEW_CONTEXT
.callMethod(
'queueAnimation',
[
_ANIMATION_FACTORY_ELEMENT_VAR, o.literal(this.animationName),
_ANIMATION_PLAYER_VAR, _ANIMATION_TIME_VAR,
_ANIMATION_CURRENT_STATE_VAR, _ANIMATION_NEXT_STATE_VAR
_ANIMATION_PLAYER_VAR, transitionEvent
])
.toStmt());