text: import { isPresent, isBlank } from 'angular2/src/core/facade/lang';
  import { BaseException } from 'angular2/src/core/facade/exceptions';
  import { ObservableWrapper } from 'angular2/src/core/facade/async';
  import { ListWrapper, StringMapWrapper } from 'angular2/src/core/facade/collection';
  import { Injector, Key, Dependency, Provider, NoProviderError } from 'angular2/src/core/di';
  import { UNDEFINED, ProtoInjector, Visibility, InjectorInlineStrategy, ProviderWithVisibility } from 'angular2/src/core/di/injector';
  import { resolveProvider, ResolvedFactory, ResolvedProvider_ } from 'angular2/src/core/di/provider';
  import { AttributeMetadata, QueryMetadata } from '../metadata/di';
  import * as avmModule from './view_manager';
  import { ViewContainerRef } from './view_container_ref';
  import { ElementRef } from './element_ref';
  import { TemplateRef } from './template_ref';
  import { DirectiveMetadata, ComponentMetadata } from '../metadata/directives';
  import { hasLifecycleHook } from './directive_lifecycle_reflector';
  import { ChangeDetectorRef } from 'angular2/src/core/change_detection/change_detection';
  import { QueryList } from './query_list';
  import { reflector } from 'angular2/src/core/reflection/reflection';
  import { EventConfig } from 'angular2/src/core/linker/event_config';
  import { PipeProvider } from 'angular2/src/core/pipes/pipe_provider';
  import { LifecycleHooks } from './interfaces';
  import { ViewContainerRef_ } from "./view_container_ref";
  var _staticKeys;
  export class StaticKeys {
      constructor() {
          this.viewManagerId = Key.get(avmModule.AppViewManager).id;
          this.templateRefId = Key.get(TemplateRef).id;
          this.viewContainerId = Key.get(ViewContainerRef).id;
          this.changeDetectorRefId = Key.get(ChangeDetectorRef).id;
          this.elementRefId = Key.get(ElementRef).id;
      }
      static instance() {
          if (isBlank(_staticKeys))
              _staticKeys = new StaticKeys();
          return _staticKeys;
      }
  }
  export class TreeNode {
      constructor(parent) {
          if (isPresent(parent)) {
              parent.addChild(this);
          }
          else {
              this._parent = null;
          }
      }
      addChild(child) { child._parent = this; }
      remove() { this._parent = null; }
      get parent() { return this._parent; }
  }
  export class DirectiveDependency extends Dependency {
      constructor(key, optional, lowerBoundVisibility, upperBoundVisibility, properties, attributeName, queryDecorator) {
          super(key, optional, lowerBoundVisibility, upperBoundVisibility, properties);
          this.attributeName = attributeName;
          this.queryDecorator = queryDecorator;
          this._verify();
      }
      /** @internal */
      _verify() {
          var count = 0;
          if (isPresent(this.queryDecorator))
              count++;
          if (isPresent(this.attributeName))
              count++;
          if (count > 1)
              throw new BaseException('A directive injectable can contain only one of the following @Attribute or @Query.');
      }
      static createFrom(d) {
          return new DirectiveDependency(d.key, d.optional, d.lowerBoundVisibility, d.upperBoundVisibility, d.properties, DirectiveDependency._attributeName(d.properties), DirectiveDependency._query(d.properties));
      }
      static _attributeName(properties) {
          var p = ListWrapper.find(properties, (p) => p instanceof AttributeMetadata);
          return isPresent(p) ? p.attributeName : null;
      }
      static _query(properties) {
          return ListWrapper.find(properties, (p) => p instanceof QueryMetadata);
      }
  }
  export class DirectiveProvider extends ResolvedProvider_ {
      constructor(key, factory, deps, metadata, providers, viewProviders) {
          super(key, [new ResolvedFactory(factory, deps)], false);
          this.metadata = metadata;
          this.providers = providers;
          this.viewProviders = viewProviders;
          this.callOnDestroy = hasLifecycleHook(LifecycleHooks.OnDestroy, key.token);
      }
      get displayName() { return this.key.displayName; }
      get queries() {
          if (isBlank(this.metadata.queries))
              return [];
          var res = [];
          StringMapWrapper.forEach(this.metadata.queries, (meta, fieldName) => {
              var setter = reflector.setter(fieldName);
              res.push(new QueryMetadataWithSetter(setter, meta));
          });
          return res;
      }
      get eventEmitters() {
          return isPresent(this.metadata) && isPresent(this.metadata.outputs) ? this.metadata.outputs :
              [];
      }
      static createFromProvider(provider, meta) {
          if (isBlank(meta)) {
              meta = new DirectiveMetadata();
          }
          var rb = resolveProvider(provider);
          var rf = rb.resolvedFactories[0];
          var deps = rf.dependencies.map(DirectiveDependency.createFrom);
          var providers = isPresent(meta.providers) ? meta.providers : [];
          var viewBindigs = meta instanceof ComponentMetadata && isPresent(meta.viewProviders) ?
              meta.viewProviders :
              [];
          return new DirectiveProvider(rb.key, rf.factory, deps, meta, providers, viewBindigs);
      }
      static createFromType(type, annotation) {
          var provider = new Provider(type, { useClass: type });
          return DirectiveProvider.createFromProvider(provider, annotation);
      }
  }
  // TODO(rado): benchmark and consider rolling in as ElementInjector fields.
  export class PreBuiltObjects {
      constructor(viewManager, view, elementRef, templateRef) {
          this.viewManager = viewManager;
          this.view = view;
          this.elementRef = elementRef;
          this.templateRef = templateRef;
          this.nestedView = null;
      }
  }
  export class QueryMetadataWithSetter {
      constructor(setter, metadata) {
          this.setter = setter;
          this.metadata = metadata;
      }
  }
  export class EventEmitterAccessor {
      constructor(eventName, getter) {
          this.eventName = eventName;
          this.getter = getter;
      }
      subscribe(view, boundElementIndex, directive) {
          var eventEmitter = this.getter(directive);
          return ObservableWrapper.subscribe(eventEmitter, eventObj => view.triggerEventHandlers(this.eventName, eventObj, boundElementIndex));
      }
  }
  function _createEventEmitterAccessors(bwv) {
      var provider = bwv.provider;
      if (!(provider instanceof DirectiveProvider))
          return [];
      var db = provider;
      return db.eventEmitters.map(eventConfig => {
          var parsedEvent = EventConfig.parse(eventConfig);
          return new EventEmitterAccessor(parsedEvent.eventName, reflector.getter(parsedEvent.fieldName));
      });
  }
  function _createProtoQueryRefs(providers) {
      var res = [];
      ListWrapper.forEachWithIndex(providers, (b, i) => {
          if (b.provider instanceof DirectiveProvider) {
              var directiveProvider = b.provider;
              // field queries
              var queries = directiveProvider.queries;
              queries.forEach(q => res.push(new ProtoQueryRef(i, q.setter, q.metadata)));
              // queries passed into the constructor.
              // TODO: remove this after constructor queries are no longer supported
              var deps = directiveProvider.resolvedFactory.dependencies;
              deps.forEach(d => {
                  if (isPresent(d.queryDecorator))
                      res.push(new ProtoQueryRef(i, null, d.queryDecorator));
              });
          }
      });
      return res;
  }
  export class ProtoElementInjector {
      constructor(parent, index, bwv, distanceToParent, _firstProviderIsComponent, directiveVariableBindings) {
          this.parent = parent;
          this.index = index;
          this.distanceToParent = distanceToParent;
          this.directiveVariableBindings = directiveVariableBindings;
          this._firstProviderIsComponent = _firstProviderIsComponent;
          var length = bwv.length;
          this.protoInjector = new ProtoInjector(bwv);
          this.eventEmitterAccessors = ListWrapper.createFixedSize(length);
          for (var i = 0; i < length; ++i) {
              this.eventEmitterAccessors[i] = _createEventEmitterAccessors(bwv[i]);
          }
          this.protoQueryRefs = _createProtoQueryRefs(bwv);
      }
      static create(parent, index, providers, firstProviderIsComponent, distanceToParent, directiveVariableBindings) {
          var bd = [];
          ProtoElementInjector._createDirectiveProviderWithVisibility(providers, bd, firstProviderIsComponent);
          if (firstProviderIsComponent) {
              ProtoElementInjector._createViewProvidersWithVisibility(providers, bd);
          }
          ProtoElementInjector._createProvidersWithVisibility(providers, bd);
          return new ProtoElementInjector(parent, index, bd, distanceToParent, firstProviderIsComponent, directiveVariableBindings);
      }
      static _createDirectiveProviderWithVisibility(dirProviders, bd, firstProviderIsComponent) {
          dirProviders.forEach(dirProvider => {
              bd.push(ProtoElementInjector._createProviderWithVisibility(firstProviderIsComponent, dirProvider, dirProviders, dirProvider));
          });
      }
      static _createProvidersWithVisibility(dirProviders, bd) {
          var providersFromAllDirectives = [];
          dirProviders.forEach(dirProvider => {
              providersFromAllDirectives =
                  ListWrapper.concat(providersFromAllDirectives, dirProvider.providers);
          });
          var resolved = Injector.resolve(providersFromAllDirectives);
          resolved.forEach(b => bd.push(new ProviderWithVisibility(b, Visibility.Public)));
      }
      static _createProviderWithVisibility(firstProviderIsComponent, dirProvider, dirProviders, provider) {
          var isComponent = firstProviderIsComponent && dirProviders[0] === dirProvider;
          return new ProviderWithVisibility(provider, isComponent ? Visibility.PublicAndPrivate : Visibility.Public);
      }
      static _createViewProvidersWithVisibility(dirProviders, bd) {
          var resolvedViewProviders = Injector.resolve(dirProviders[0].viewProviders);
          resolvedViewProviders.forEach(b => bd.push(new ProviderWithVisibility(b, Visibility.Private)));
      }
      instantiate(parent) {
          return new ElementInjector(this, parent);
      }
      directParent() { return this.distanceToParent < 2 ? this.parent : null; }
      get hasBindings() { return this.eventEmitterAccessors.length > 0; }
      getProviderAtIndex(index) { return this.protoInjector.getProviderAtIndex(index); }
  }
  class _Context {
      constructor(element, componentElement, injector) {
          this.element = element;
          this.componentElement = componentElement;
          this.injector = injector;
      }
  }
  export class ElementInjector extends TreeNode {
      constructor(_proto, parent) {
          super(parent);
          this._preBuiltObjects = null;
          this._proto = _proto;
          this._injector =
              new Injector(this._proto.protoInjector, null, this, () => this._debugContext());
          // we couple ourselves to the injector strategy to avoid polymoprhic calls
          var injectorStrategy = this._injector.internalStrategy;
          this._strategy = injectorStrategy instanceof InjectorInlineStrategy ?
              new ElementInjectorInlineStrategy(injectorStrategy, this) :
              new ElementInjectorDynamicStrategy(injectorStrategy, this);
          this.hydrated = false;
          this._queryStrategy = this._buildQueryStrategy();
      }
      dehydrate() {
          this.hydrated = false;
          this._host = null;
          this._preBuiltObjects = null;
          this._strategy.callOnDestroy();
          this._strategy.dehydrate();
          this._queryStrategy.dehydrate();
      }
      hydrate(imperativelyCreatedInjector, host, preBuiltObjects) {
          this._host = host;
          this._preBuiltObjects = preBuiltObjects;
          this._reattachInjectors(imperativelyCreatedInjector);
          this._queryStrategy.hydrate();
          this._strategy.hydrate();
          this.hydrated = true;
      }
      _debugContext() {
          var p = this._preBuiltObjects;
          var index = p.elementRef.boundElementIndex - p.view.elementOffset;
          var c = this._preBuiltObjects.view.getDebugContext(index, null);
          return isPresent(c) ? new _Context(c.element, c.componentElement, c.injector) : null;
      }
      _reattachInjectors(imperativelyCreatedInjector) {
          // Dynamically-loaded component in the template. Not a root ElementInjector.
          if (isPresent(this._parent)) {
              if (isPresent(imperativelyCreatedInjector)) {
                  // The imperative injector is similar to having an element between
                  // the dynamic-loaded component and its parent => no boundaries.
                  this._reattachInjector(this._injector, imperativelyCreatedInjector, false);
                  this._reattachInjector(imperativelyCreatedInjector, this._parent._injector, false);
              }
              else {
                  this._reattachInjector(this._injector, this._parent._injector, false);
              }
          }
          else if (isPresent(this._host)) {
              // The imperative injector is similar to having an element between
              // the dynamic-loaded component and its parent => no boundary between
              // the component and imperativelyCreatedInjector.
              // But since it is a root ElementInjector, we need to create a boundary
              // between imperativelyCreatedInjector and _host.
              if (isPresent(imperativelyCreatedInjector)) {
                  this._reattachInjector(this._injector, imperativelyCreatedInjector, false);
                  this._reattachInjector(imperativelyCreatedInjector, this._host._injector, true);
              }
              else {
                  this._reattachInjector(this._injector, this._host._injector, true);
              }
          }
          else {
              if (isPresent(imperativelyCreatedInjector)) {
                  this._reattachInjector(this._injector, imperativelyCreatedInjector, true);
              }
          }
      }
      _reattachInjector(injector, parentInjector, isBoundary) {
          injector.internalStrategy.attach(parentInjector, isBoundary);
      }
      hasVariableBinding(name) {
          var vb = this._proto.directiveVariableBindings;
          return isPresent(vb) && vb.has(name);
      }
      getVariableBinding(name) {
          var index = this._proto.directiveVariableBindings.get(name);
          return isPresent(index) ? this.getDirectiveAtIndex(index) : this.getElementRef();
      }
      get(token) { return this._injector.get(token); }
      hasDirective(type) { return isPresent(this._injector.getOptional(type)); }
      getEventEmitterAccessors() { return this._proto.eventEmitterAccessors; }
      getDirectiveVariableBindings() {
          return this._proto.directiveVariableBindings;
      }
      getComponent() { return this._strategy.getComponent(); }
      getInjector() { return this._injector; }
      getElementRef() { return this._preBuiltObjects.elementRef; }
      getViewContainerRef() {
          return new ViewContainerRef_(this._preBuiltObjects.viewManager, this.getElementRef());
      }
      getNestedView() { return this._preBuiltObjects.nestedView; }
      getView() { return this._preBuiltObjects.view; }
      directParent() { return this._proto.distanceToParent < 2 ? this.parent : null; }
      isComponentKey(key) { return this._strategy.isComponentKey(key); }
      getDependency(injector, provider, dep) {
          var key = dep.key;
          if (provider instanceof DirectiveProvider) {
              var dirDep = dep;
              var dirProvider = provider;
              var staticKeys = StaticKeys.instance();
              if (key.id === staticKeys.viewManagerId)
                  return this._preBuiltObjects.viewManager;
              if (isPresent(dirDep.attributeName))
                  return this._buildAttribute(dirDep);
              if (isPresent(dirDep.queryDecorator))
                  return this._queryStrategy.findQuery(dirDep.queryDecorator).list;
              if (dirDep.key.id === StaticKeys.instance().changeDetectorRefId) {
                  // We provide the component's view change detector to components and
                  // the surrounding component's change detector to directives.
                  if (dirProvider.metadata instanceof ComponentMetadata) {
                      var componentView = this._preBuiltObjects.view.getNestedView(this._preBuiltObjects.elementRef.boundElementIndex);
                      return componentView.changeDetector.ref;
                  }
                  else {
                      return this._preBuiltObjects.view.changeDetector.ref;
                  }
              }
              if (dirDep.key.id === StaticKeys.instance().elementRefId) {
                  return this.getElementRef();
              }
              if (dirDep.key.id === StaticKeys.instance().viewContainerId) {
                  return this.getViewContainerRef();
              }
              if (dirDep.key.id === StaticKeys.instance().templateRefId) {
                  if (isBlank(this._preBuiltObjects.templateRef)) {
                      if (dirDep.optional) {
                          return null;
                      }
                      throw new NoProviderError(null, dirDep.key);
                  }
                  return this._preBuiltObjects.templateRef;
              }
          }
          else if (provider instanceof PipeProvider) {
              if (dep.key.id === StaticKeys.instance().changeDetectorRefId) {
                  var componentView = this._preBuiltObjects.view.getNestedView(this._preBuiltObjects.elementRef.boundElementIndex);
                  return componentView.changeDetector.ref;
              }
          }
          return UNDEFINED;
      }
      _buildAttribute(dep) {
          var attributes = this._proto.attributes;
          if (isPresent(attributes) && attributes.has(dep.attributeName)) {
              return attributes.get(dep.attributeName);
          }
          else {
              return null;
          }
      }
      addDirectivesMatchingQuery(query, list) {
          var templateRef = isBlank(this._preBuiltObjects) ? null : this._preBuiltObjects.templateRef;
          if (query.selector === TemplateRef && isPresent(templateRef)) {
              list.push(templateRef);
          }
          this._strategy.addDirectivesMatchingQuery(query, list);
      }
      _buildQueryStrategy() {
          if (this._proto.protoQueryRefs.length === 0) {
              return _emptyQueryStrategy;
          }
          else if (this._proto.protoQueryRefs.length <=
              InlineQueryStrategy.NUMBER_OF_SUPPORTED_QUERIES) {
              return new InlineQueryStrategy(this);
          }
          else {
              return new DynamicQueryStrategy(this);
          }
      }
      link(parent) { parent.addChild(this); }
      unlink() { this.remove(); }
      getDirectiveAtIndex(index) { return this._injector.getAt(index); }
      hasInstances() { return this._proto.hasBindings && this.hydrated; }
      getHost() { return this._host; }
      getBoundElementIndex() { return this._proto.index; }
      getRootViewInjectors() {
          if (!this.hydrated)
              return [];
          var view = this._preBuiltObjects.view;
          var nestedView = view.getNestedView(view.elementOffset + this.getBoundElementIndex());
          return isPresent(nestedView) ? nestedView.rootElementInjectors : [];
      }
      afterViewChecked() { this._queryStrategy.updateViewQueries(); }
      afterContentChecked() { this._queryStrategy.updateContentQueries(); }
      traverseAndSetQueriesAsDirty() {
          var inj = this;
          while (isPresent(inj)) {
              inj._setQueriesAsDirty();
              inj = inj.parent;
          }
      }
      _setQueriesAsDirty() {
          this._queryStrategy.setContentQueriesAsDirty();
          if (isPresent(this._host))
              this._host._queryStrategy.setViewQueriesAsDirty();
      }
  }
  class _EmptyQueryStrategy {
      setContentQueriesAsDirty() { }
      setViewQueriesAsDirty() { }
      hydrate() { }
      dehydrate() { }
      updateContentQueries() { }
      updateViewQueries() { }
      findQuery(query) {
          throw new BaseException(`Cannot find query for directive ${query}.`);
      }
  }
  var _emptyQueryStrategy = new _EmptyQueryStrategy();
  class InlineQueryStrategy {
      constructor(ei) {
          var protoRefs = ei._proto.protoQueryRefs;
          if (protoRefs.length > 0)
              this.query0 = new QueryRef(protoRefs[0], ei);
          if (protoRefs.length > 1)
              this.query1 = new QueryRef(protoRefs[1], ei);
          if (protoRefs.length > 2)
              this.query2 = new QueryRef(protoRefs[2], ei);
      }
      setContentQueriesAsDirty() {
          if (isPresent(this.query0) && !this.query0.isViewQuery)
              this.query0.dirty = true;
          if (isPresent(this.query1) && !this.query1.isViewQuery)
              this.query1.dirty = true;
          if (isPresent(this.query2) && !this.query2.isViewQuery)
              this.query2.dirty = true;
      }
      setViewQueriesAsDirty() {
          if (isPresent(this.query0) && this.query0.isViewQuery)
              this.query0.dirty = true;
          if (isPresent(this.query1) && this.query1.isViewQuery)
              this.query1.dirty = true;
          if (isPresent(this.query2) && this.query2.isViewQuery)
              this.query2.dirty = true;
      }
      hydrate() {
          if (isPresent(this.query0))
              this.query0.hydrate();
          if (isPresent(this.query1))
              this.query1.hydrate();
          if (isPresent(this.query2))
              this.query2.hydrate();
      }
      dehydrate() {
          if (isPresent(this.query0))
              this.query0.dehydrate();
          if (isPresent(this.query1))
              this.query1.dehydrate();
          if (isPresent(this.query2))
              this.query2.dehydrate();
      }
      updateContentQueries() {
          if (isPresent(this.query0) && !this.query0.isViewQuery) {
              this.query0.update();
          }
          if (isPresent(this.query1) && !this.query1.isViewQuery) {
              this.query1.update();
          }
          if (isPresent(this.query2) && !this.query2.isViewQuery) {
              this.query2.update();
          }
      }
      updateViewQueries() {
          if (isPresent(this.query0) && this.query0.isViewQuery) {
              this.query0.update();
          }
          if (isPresent(this.query1) && this.query1.isViewQuery) {
              this.query1.update();
          }
          if (isPresent(this.query2) && this.query2.isViewQuery) {
              this.query2.update();
          }
      }
      findQuery(query) {
          if (isPresent(this.query0) && this.query0.protoQueryRef.query === query) {
              return this.query0;
          }
          if (isPresent(this.query1) && this.query1.protoQueryRef.query === query) {
              return this.query1;
          }
          if (isPresent(this.query2) && this.query2.protoQueryRef.query === query) {
              return this.query2;
          }
          throw new BaseException(`Cannot find query for directive ${query}.`);
      }
  }
  InlineQueryStrategy.NUMBER_OF_SUPPORTED_QUERIES = 3;
  class DynamicQueryStrategy {
      constructor(ei) {
          this.queries = ei._proto.protoQueryRefs.map(p => new QueryRef(p, ei));
      }
      setContentQueriesAsDirty() {
          for (var i = 0; i < this.queries.length; ++i) {
              var q = this.queries[i];
              if (!q.isViewQuery)
                  q.dirty = true;
          }
      }
      setViewQueriesAsDirty() {
          for (var i = 0; i < this.queries.length; ++i) {
              var q = this.queries[i];
              if (q.isViewQuery)
                  q.dirty = true;
          }
      }
      hydrate() {
          for (var i = 0; i < this.queries.length; ++i) {
              var q = this.queries[i];
              q.hydrate();
          }
      }
      dehydrate() {
          for (var i = 0; i < this.queries.length; ++i) {
              var q = this.queries[i];
              q.dehydrate();
          }
      }
      updateContentQueries() {
          for (var i = 0; i < this.queries.length; ++i) {
              var q = this.queries[i];
              if (!q.isViewQuery) {
                  q.update();
              }
          }
      }
      updateViewQueries() {
          for (var i = 0; i < this.queries.length; ++i) {
              var q = this.queries[i];
              if (q.isViewQuery) {
                  q.update();
              }
          }
      }
      findQuery(query) {
          for (var i = 0; i < this.queries.length; ++i) {
              var q = this.queries[i];
              if (q.protoQueryRef.query === query) {
                  return q;
              }
          }
          throw new BaseException(`Cannot find query for directive ${query}.`);
      }
  }
  /**
   * Strategy used by the `ElementInjector` when the number of providers is 10 or less.
   * In such a case, inlining fields is beneficial for performances.
   */
  class ElementInjectorInlineStrategy {
      constructor(injectorStrategy, _ei) {
          this.injectorStrategy = injectorStrategy;
          this._ei = _ei;
      }
      hydrate() {
          var i = this.injectorStrategy;
          var p = i.protoStrategy;
          i.resetConstructionCounter();
          if (p.provider0 instanceof DirectiveProvider && isPresent(p.keyId0) && i.obj0 === UNDEFINED)
              i.obj0 = i.instantiateProvider(p.provider0, p.visibility0);
          if (p.provider1 instanceof DirectiveProvider && isPresent(p.keyId1) && i.obj1 === UNDEFINED)
              i.obj1 = i.instantiateProvider(p.provider1, p.visibility1);
          if (p.provider2 instanceof DirectiveProvider && isPresent(p.keyId2) && i.obj2 === UNDEFINED)
              i.obj2 = i.instantiateProvider(p.provider2, p.visibility2);
          if (p.provider3 instanceof DirectiveProvider && isPresent(p.keyId3) && i.obj3 === UNDEFINED)
              i.obj3 = i.instantiateProvider(p.provider3, p.visibility3);
          if (p.provider4 instanceof DirectiveProvider && isPresent(p.keyId4) && i.obj4 === UNDEFINED)
              i.obj4 = i.instantiateProvider(p.provider4, p.visibility4);
          if (p.provider5 instanceof DirectiveProvider && isPresent(p.keyId5) && i.obj5 === UNDEFINED)
              i.obj5 = i.instantiateProvider(p.provider5, p.visibility5);
          if (p.provider6 instanceof DirectiveProvider && isPresent(p.keyId6) && i.obj6 === UNDEFINED)
              i.obj6 = i.instantiateProvider(p.provider6, p.visibility6);
          if (p.provider7 instanceof DirectiveProvider && isPresent(p.keyId7) && i.obj7 === UNDEFINED)
              i.obj7 = i.instantiateProvider(p.provider7, p.visibility7);
          if (p.provider8 instanceof DirectiveProvider && isPresent(p.keyId8) && i.obj8 === UNDEFINED)
              i.obj8 = i.instantiateProvider(p.provider8, p.visibility8);
          if (p.provider9 instanceof DirectiveProvider && isPresent(p.keyId9) && i.obj9 === UNDEFINED)
              i.obj9 = i.instantiateProvider(p.provider9, p.visibility9);
      }
      dehydrate() {
          var i = this.injectorStrategy;
          i.obj0 = UNDEFINED;
          i.obj1 = UNDEFINED;
          i.obj2 = UNDEFINED;
          i.obj3 = UNDEFINED;
          i.obj4 = UNDEFINED;
          i.obj5 = UNDEFINED;
          i.obj6 = UNDEFINED;
          i.obj7 = UNDEFINED;
          i.obj8 = UNDEFINED;
          i.obj9 = UNDEFINED;
      }
      callOnDestroy() {
          var i = this.injectorStrategy;
          var p = i.protoStrategy;
          if (p.provider0 instanceof DirectiveProvider &&
              p.provider0.callOnDestroy) {
              i.obj0.onDestroy();
          }
          if (p.provider1 instanceof DirectiveProvider &&
              p.provider1.callOnDestroy) {
              i.obj1.onDestroy();
          }
          if (p.provider2 instanceof DirectiveProvider &&
              p.provider2.callOnDestroy) {
              i.obj2.onDestroy();
          }
          if (p.provider3 instanceof DirectiveProvider &&
              p.provider3.callOnDestroy) {
              i.obj3.onDestroy();
          }
          if (p.provider4 instanceof DirectiveProvider &&
              p.provider4.callOnDestroy) {
              i.obj4.onDestroy();
          }
          if (p.provider5 instanceof DirectiveProvider &&
              p.provider5.callOnDestroy) {
              i.obj5.onDestroy();
          }
          if (p.provider6 instanceof DirectiveProvider &&
              p.provider6.callOnDestroy) {
              i.obj6.onDestroy();
          }
          if (p.provider7 instanceof DirectiveProvider &&
              p.provider7.callOnDestroy) {
              i.obj7.onDestroy();
          }
          if (p.provider8 instanceof DirectiveProvider &&
              p.provider8.callOnDestroy) {
              i.obj8.onDestroy();
          }
          if (p.provider9 instanceof DirectiveProvider &&
              p.provider9.callOnDestroy) {
              i.obj9.onDestroy();
          }
      }
      getComponent() { return this.injectorStrategy.obj0; }
      isComponentKey(key) {
          return this._ei._proto._firstProviderIsComponent && isPresent(key) &&
              key.id === this.injectorStrategy.protoStrategy.keyId0;
      }
      addDirectivesMatchingQuery(query, list) {
          var i = this.injectorStrategy;
          var p = i.protoStrategy;
          if (isPresent(p.provider0) && p.provider0.key.token === query.selector) {
              if (i.obj0 === UNDEFINED)
                  i.obj0 = i.instantiateProvider(p.provider0, p.visibility0);
              list.push(i.obj0);
          }
          if (isPresent(p.provider1) && p.provider1.key.token === query.selector) {
              if (i.obj1 === UNDEFINED)
                  i.obj1 = i.instantiateProvider(p.provider1, p.visibility1);
              list.push(i.obj1);
          }
          if (isPresent(p.provider2) && p.provider2.key.token === query.selector) {
              if (i.obj2 === UNDEFINED)
                  i.obj2 = i.instantiateProvider(p.provider2, p.visibility2);
              list.push(i.obj2);
          }
          if (isPresent(p.provider3) && p.provider3.key.token === query.selector) {
              if (i.obj3 === UNDEFINED)
                  i.obj3 = i.instantiateProvider(p.provider3, p.visibility3);
              list.push(i.obj3);
          }
          if (isPresent(p.provider4) && p.provider4.key.token === query.selector) {
              if (i.obj4 === UNDEFINED)
                  i.obj4 = i.instantiateProvider(p.provider4, p.visibility4);
              list.push(i.obj4);
          }
          if (isPresent(p.provider5) && p.provider5.key.token === query.selector) {
              if (i.obj5 === UNDEFINED)
                  i.obj5 = i.instantiateProvider(p.provider5, p.visibility5);
              list.push(i.obj5);
          }
          if (isPresent(p.provider6) && p.provider6.key.token === query.selector) {
              if (i.obj6 === UNDEFINED)
                  i.obj6 = i.instantiateProvider(p.provider6, p.visibility6);
              list.push(i.obj6);
          }
          if (isPresent(p.provider7) && p.provider7.key.token === query.selector) {
              if (i.obj7 === UNDEFINED)
                  i.obj7 = i.instantiateProvider(p.provider7, p.visibility7);
              list.push(i.obj7);
          }
          if (isPresent(p.provider8) && p.provider8.key.token === query.selector) {
              if (i.obj8 === UNDEFINED)
                  i.obj8 = i.instantiateProvider(p.provider8, p.visibility8);
              list.push(i.obj8);
          }
          if (isPresent(p.provider9) && p.provider9.key.token === query.selector) {
              if (i.obj9 === UNDEFINED)
                  i.obj9 = i.instantiateProvider(p.provider9, p.visibility9);
              list.push(i.obj9);
          }
      }
  }
  /**
   * Strategy used by the `ElementInjector` when the number of providers is 10 or less.
   * In such a case, inlining fields is beneficial for performances.
   */
  class ElementInjectorDynamicStrategy {
      constructor(injectorStrategy, _ei) {
          this.injectorStrategy = injectorStrategy;
          this._ei = _ei;
      }
      hydrate() {
          var inj = this.injectorStrategy;
          var p = inj.protoStrategy;
          inj.resetConstructionCounter();
          for (var i = 0; i < p.keyIds.length; i++) {
              if (p.providers[i] instanceof DirectiveProvider && isPresent(p.keyIds[i]) &&
                  inj.objs[i] === UNDEFINED) {
                  inj.objs[i] = inj.instantiateProvider(p.providers[i], p.visibilities[i]);
              }
          }
      }
      dehydrate() {
          var inj = this.injectorStrategy;
          ListWrapper.fill(inj.objs, UNDEFINED);
      }
      callOnDestroy() {
          var ist = this.injectorStrategy;
          var p = ist.protoStrategy;
          for (var i = 0; i < p.providers.length; i++) {
              if (p.providers[i] instanceof DirectiveProvider &&
                  p.providers[i].callOnDestroy) {
                  ist.objs[i].onDestroy();
              }
          }
      }
      getComponent() { return this.injectorStrategy.objs[0]; }
      isComponentKey(key) {
          var p = this.injectorStrategy.protoStrategy;
          return this._ei._proto._firstProviderIsComponent && isPresent(key) && key.id === p.keyIds[0];
      }
      addDirectivesMatchingQuery(query, list) {
          var ist = this.injectorStrategy;
          var p = ist.protoStrategy;
          for (var i = 0; i < p.providers.length; i++) {
              if (p.providers[i].key.token === query.selector) {
                  if (ist.objs[i] === UNDEFINED) {
                      ist.objs[i] = ist.instantiateProvider(p.providers[i], p.visibilities[i]);
                  }
                  list.push(ist.objs[i]);
              }
          }
      }
  }
  export class ProtoQueryRef {
      constructor(dirIndex, setter, query) {
          this.dirIndex = dirIndex;
          this.setter = setter;
          this.query = query;
      }
      get usesPropertySyntax() { return isPresent(this.setter); }
  }
  export class QueryRef {
      constructor(protoQueryRef, originator) {
          this.protoQueryRef = protoQueryRef;
          this.originator = originator;
      }
      get isViewQuery() { return this.protoQueryRef.query.isViewQuery; }
      update() {
          if (!this.dirty)
              return;
          this._update();
          this.dirty = false;
          // TODO delete the check once only field queries are supported
          if (this.protoQueryRef.usesPropertySyntax) {
              var dir = this.originator.getDirectiveAtIndex(this.protoQueryRef.dirIndex);
              if (this.protoQueryRef.query.first) {
                  this.protoQueryRef.setter(dir, this.list.length > 0 ? this.list.first : null);
              }
              else {
                  this.protoQueryRef.setter(dir, this.list);
              }
          }
          this.list.notifyOnChanges();
      }
      _update() {
          var aggregator = [];
          if (this.protoQueryRef.query.isViewQuery) {
              var view = this.originator.getView();
              // intentionally skipping originator for view queries.
              var nestedView = view.getNestedView(view.elementOffset + this.originator.getBoundElementIndex());
              if (isPresent(nestedView))
                  this._visitView(nestedView, aggregator);
          }
          else {
              this._visit(this.originator, aggregator);
          }
          this.list.reset(aggregator);
      }
      ;
      _visit(inj, aggregator) {
          var view = inj.getView();
          var startIdx = view.elementOffset + inj._proto.index;
          for (var i = startIdx; i < view.elementOffset + view.ownBindersCount; i++) {
              var curInj = view.elementInjectors[i];
              if (isBlank(curInj))
                  continue;
              // The first injector after inj, that is outside the subtree rooted at
              // inj has to have a null parent or a parent that is an ancestor of inj.
              if (i > startIdx && (isBlank(curInj) || isBlank(curInj.parent) ||
                  view.elementOffset + curInj.parent._proto.index < startIdx)) {
                  break;
              }
              if (!this.protoQueryRef.query.descendants &&
                  !(curInj.parent == this.originator || curInj == this.originator))
                  continue;
              // We visit the view container(VC) views right after the injector that contains
              // the VC. Theoretically, that might not be the right order if there are
              // child injectors of said injector. Not clear whether if such case can
              // even be constructed with the current apis.
              this._visitInjector(curInj, aggregator);
              var vc = view.viewContainers[i];
              if (isPresent(vc))
                  this._visitViewContainer(vc, aggregator);
          }
      }
      _visitInjector(inj, aggregator) {
          if (this.protoQueryRef.query.isVarBindingQuery) {
              this._aggregateVariableBinding(inj, aggregator);
          }
          else {
              this._aggregateDirective(inj, aggregator);
          }
      }
      _visitViewContainer(vc, aggregator) {
          for (var j = 0; j < vc.views.length; j++) {
              this._visitView(vc.views[j], aggregator);
          }
      }
      _visitView(view, aggregator) {
          for (var i = view.elementOffset; i < view.elementOffset + view.ownBindersCount; i++) {
              var inj = view.elementInjectors[i];
              if (isBlank(inj))
                  continue;
              this._visitInjector(inj, aggregator);
              var vc = view.viewContainers[i];
              if (isPresent(vc))
                  this._visitViewContainer(vc, aggregator);
          }
      }
      _aggregateVariableBinding(inj, aggregator) {
          var vb = this.protoQueryRef.query.varBindings;
          for (var i = 0; i < vb.length; ++i) {
              if (inj.hasVariableBinding(vb[i])) {
                  aggregator.push(inj.getVariableBinding(vb[i]));
              }
          }
      }
      _aggregateDirective(inj, aggregator) {
          inj.addDirectivesMatchingQuery(this.protoQueryRef.query, aggregator);
      }
      dehydrate() { this.list = null; }
      hydrate() {
          this.list = new QueryList();
          this.dirty = true;
      }
  }
  //# sourceMappingURL=element_injector.js.map