From b8802c1fab0c0abdbe6dec2d044ed5e6acb20c9d Mon Sep 17 00:00:00 2001
From: yinhuiling <peter.huangyu@huawei.com>
Date: Tue, 30 Jan 2024 20:54:59 +0800
Subject: [PATCH] Add LoopObserver file and errorManager interface

Signed-off-by: peterhuangyu <peter.huangyu@huawei.com>
---
 api/@ohos.app.ability.errorManager.d.ts | 36 +++++++++++++++++++++++++
 api/application/LoopObserver.d.ts       | 34 +++++++++++++++++++++++
 2 files changed, 70 insertions(+)
 create mode 100644 api/application/LoopObserver.d.ts

diff --git a/api/@ohos.app.ability.errorManager.d.ts b/api/@ohos.app.ability.errorManager.d.ts
index 73ff6fc1d8..2514510295 100644
--- a/api/@ohos.app.ability.errorManager.d.ts
+++ b/api/@ohos.app.ability.errorManager.d.ts
@@ -20,6 +20,7 @@
 
 import { AsyncCallback } from './@ohos.base';
 import * as _ErrorObserver from './application/ErrorObserver';
+import * as _LoopObserver from './application/LoopObserver';
 
 /**
  * This module provides the function of error manager.
@@ -112,6 +113,33 @@ declare namespace errorManager {
    */
   function off(type: 'error', observerId: number): Promise<void>;
 
+  /**
+   * Register loop observer. This function can only by called from main thread,
+   * and if call this function multiple times, the last
+   * modification will overwrite the previous one.
+   * 
+   * @param { 'loopObserver' } type - loopObserver.
+   * @param { number } timeout - Indicates timeout(ms) value of loop observer.
+   * @param { LoopObserver } observer - The loop observer.
+   * @throws { BusinessError } 401 - If the input parameter is not valid parameter.
+   * @syscap SystemCapability.Ability.AbilityRuntime.Core
+   * @atomicservice
+   * @since 12
+   */
+  function on(type: 'loopObserver', timeout: number, observer: LoopObserver): void;
+
+  /**
+   * Unregister loop observer. This function can only by called from main thread.
+   *
+   * @param { 'loopObserver' } type - loopObserver.
+   * @param { LoopObserver } observer - The loop observer.
+   * @throws { BusinessError } 401 - If the input parameter is not valid parameter.
+   * @syscap SystemCapability.Ability.AbilityRuntime.Core
+   * @atomicservice
+   * @since 12
+   */
+  function off(type: 'loopObserver', observer?: LoopObserver): void;
+
   /**
    * The observer will be called by system when an error occurs.
    *
@@ -126,6 +154,14 @@ declare namespace errorManager {
    * @since 11
    */
   export type ErrorObserver = _ErrorObserver.default;
+  /**
+   * The observer will be called when application main thread execute timeout.
+   *
+   * @syscap SystemCapability.Ability.AbilityRuntime.Core
+   * @atomicservice
+   * @since 12
+   */
+  export type LoopObserver = _LoopObserver.default;
 }
 
 export default errorManager;
diff --git a/api/application/LoopObserver.d.ts b/api/application/LoopObserver.d.ts
new file mode 100644
index 0000000000..00c6910111
--- /dev/null
+++ b/api/application/LoopObserver.d.ts
@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License"),
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * The observer will be called by system when application main thread loop
+ * execute timeout
+ * @interface LoopObserver
+ * @syscap SystemCapability.Ability.AbilityRuntime.Core
+ * @atomicservice
+ * @since 12
+ */
+export interface LoopObserver {
+  /**
+   * Will be called when the application main thread loop execute timeout.
+   *
+   * @param { number } timeout - the actual executing time of loop event.
+   * @syscap SystemCapability.Ability.AbilityRuntime.Core
+   * @atomicservice
+   * @since 12
+   */
+  onLoopTimeOut?(timeout: number): void;
+}
-- 
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