86 lines
4.0 KiB
TypeScript
86 lines
4.0 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {CompileDirectiveSummary, CompilePipeSummary} from '../compile_metadata';
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import {DirectiveWrapperExpressions} from '../directive_wrapper_compiler';
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import * as o from '../output/output_ast';
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import {LifecycleHooks} from '../private_import_core';
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import {DirectiveAst, ProviderAst, ProviderAstType} from '../template_parser/template_ast';
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import {CompileElement} from './compile_element';
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import {CompileView} from './compile_view';
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import {DetectChangesVars} from './constants';
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var STATE_IS_NEVER_CHECKED = o.THIS_EXPR.prop('numberOfChecks').identical(new o.LiteralExpr(0));
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var NOT_THROW_ON_CHANGES = o.not(DetectChangesVars.throwOnChange);
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export function bindDirectiveAfterContentLifecycleCallbacks(
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directiveMeta: CompileDirectiveSummary, directiveInstance: o.Expression,
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compileElement: CompileElement) {
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var view = compileElement.view;
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var lifecycleHooks = directiveMeta.type.lifecycleHooks;
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var afterContentLifecycleCallbacksMethod = view.afterContentLifecycleCallbacksMethod;
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afterContentLifecycleCallbacksMethod.resetDebugInfo(
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compileElement.nodeIndex, compileElement.sourceAst);
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if (lifecycleHooks.indexOf(LifecycleHooks.AfterContentInit) !== -1) {
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afterContentLifecycleCallbacksMethod.addStmt(new o.IfStmt(
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STATE_IS_NEVER_CHECKED, [directiveInstance.callMethod('ngAfterContentInit', []).toStmt()]));
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}
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if (lifecycleHooks.indexOf(LifecycleHooks.AfterContentChecked) !== -1) {
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afterContentLifecycleCallbacksMethod.addStmt(
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directiveInstance.callMethod('ngAfterContentChecked', []).toStmt());
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}
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}
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export function bindDirectiveAfterViewLifecycleCallbacks(
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directiveMeta: CompileDirectiveSummary, directiveInstance: o.Expression,
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compileElement: CompileElement) {
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var view = compileElement.view;
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var lifecycleHooks = directiveMeta.type.lifecycleHooks;
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var afterViewLifecycleCallbacksMethod = view.afterViewLifecycleCallbacksMethod;
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afterViewLifecycleCallbacksMethod.resetDebugInfo(
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compileElement.nodeIndex, compileElement.sourceAst);
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if (lifecycleHooks.indexOf(LifecycleHooks.AfterViewInit) !== -1) {
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afterViewLifecycleCallbacksMethod.addStmt(new o.IfStmt(
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STATE_IS_NEVER_CHECKED, [directiveInstance.callMethod('ngAfterViewInit', []).toStmt()]));
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}
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if (lifecycleHooks.indexOf(LifecycleHooks.AfterViewChecked) !== -1) {
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afterViewLifecycleCallbacksMethod.addStmt(
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directiveInstance.callMethod('ngAfterViewChecked', []).toStmt());
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}
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}
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export function bindDirectiveWrapperLifecycleCallbacks(
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dir: DirectiveAst, directiveWrapperIntance: o.Expression, compileElement: CompileElement) {
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compileElement.view.destroyMethod.addStmts(
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DirectiveWrapperExpressions.ngOnDestroy(dir.directive, directiveWrapperIntance));
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compileElement.view.detachMethod.addStmts(DirectiveWrapperExpressions.ngOnDetach(
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dir.hostProperties, directiveWrapperIntance, o.THIS_EXPR,
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compileElement.compViewExpr || o.THIS_EXPR, compileElement.renderNode));
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}
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export function bindInjectableDestroyLifecycleCallbacks(
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provider: ProviderAst, providerInstance: o.Expression, compileElement: CompileElement) {
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var onDestroyMethod = compileElement.view.destroyMethod;
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onDestroyMethod.resetDebugInfo(compileElement.nodeIndex, compileElement.sourceAst);
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if (provider.providerType !== ProviderAstType.Directive &&
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provider.providerType !== ProviderAstType.Component &&
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provider.lifecycleHooks.indexOf(LifecycleHooks.OnDestroy) !== -1) {
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onDestroyMethod.addStmt(providerInstance.callMethod('ngOnDestroy', []).toStmt());
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}
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}
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export function bindPipeDestroyLifecycleCallbacks(
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pipeMeta: CompilePipeSummary, pipeInstance: o.Expression, view: CompileView) {
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var onDestroyMethod = view.destroyMethod;
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if (pipeMeta.type.lifecycleHooks.indexOf(LifecycleHooks.OnDestroy) !== -1) {
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onDestroyMethod.addStmt(pipeInstance.callMethod('ngOnDestroy', []).toStmt());
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}
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}
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