interface_sdk-js/api/@ohos.arkui.observer.d.ts
tangjie 264d5c2b92 ArkUI、MediaKit、LocalizationKit相关接口增加元服务标签标记
Change-Id: I2fbf74483025f598ba3677b2373b3d667742ce71
Signed-off-by: tangjie <1402602435@qq.com>
2024-05-25 09:24:41 +08:00

1114 lines
32 KiB
TypeScript

/*
* Copyright (c) 2023 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.
*/
/**
* @file
* @kit ArkUI
*/
import type { Callback } from './@ohos.base';
import type UIAbilityContext from './application/UIAbilityContext';
import type { NavigationOperation, NavBar } from '../component/navigation';
/**
* Register callbacks to observe ArkUI behavior.
*
* @namespace uiObserver
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* Register callbacks to observe ArkUI behavior.
*
* @namespace uiObserver
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
declare namespace uiObserver {
/**
* NavDestination state.
*
* @enum { number }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
* @form
*/
/**
* NavDestination state.
*
* @enum { number }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
* @form
*/
export enum NavDestinationState {
/**
* When the NavDestination is displayed.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
* @form
*/
/**
* When the NavDestination is displayed.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
* @form
*/
ON_SHOWN = 0,
/**
* When the NavDestination is hidden.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
* @form
*/
/**
* When the NavDestination is hidden.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
* @form
*/
ON_HIDDEN = 1,
/**
* When the NavDestination appear.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
* @form
*/
ON_APPEAR = 2,
/**
* When the NavDestination disappear.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
* @form
*/
ON_DISAPPEAR = 3,
/**
* Before the NavDestination is displayed.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @form
* @atomicservice
* @since 12
*/
ON_WILL_SHOW = 4,
/**
* Before the NavDestination is hidden.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @form
* @atomicservice
* @since 12
*/
ON_WILL_HIDE = 5,
/**
* Before the NavDestination is appeared.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @form
* @atomicservice
* @since 12
*/
ON_WILL_APPEAR = 6,
/**
* Before the NavDestination is disappeared.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @form
* @atomicservice
* @since 12
*/
ON_WILL_DISAPPEAR = 7,
/**
* When back press event happened in NavDestination.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
* @form
*/
ON_BACKPRESS = 100
}
/**
* Router page state.
*
* @enum { number }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* Router page state.
*
* @enum { number }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export enum RouterPageState {
/**
* When the router page create.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* When the router page create.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
ABOUT_TO_APPEAR = 0,
/**
* When the router page destroy.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* When the router page destroy.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
ABOUT_TO_DISAPPEAR = 1,
/**
* When the router page show.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* When the router page show.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
ON_PAGE_SHOW = 2,
/**
* When the router page hide.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* When the router page hide.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
ON_PAGE_HIDE = 3,
/**
* When back press event happened in the router page.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* When back press event happened in the router page.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
ON_BACK_PRESS = 4
}
/**
* ScrollEvent type.
*
* @enum { number }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export enum ScrollEventType {
/**
* When the ScrollEvent start.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
SCROLL_START = 0,
/**
* When the ScrollEvent stop.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
SCROLL_STOP = 1
}
/**
* NavDestination info.
*
* @interface NavDestinationInfo
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* NavDestination info.
*
* @interface NavDestinationInfo
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export interface NavDestinationInfo {
/**
* Navigation id.
*
* @type { ResourceStr }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* Navigation id.
*
* @type { ResourceStr }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
navigationId: ResourceStr,
/**
* Changed NavDestination name.
*
* @type { ResourceStr }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* Changed NavDestination name.
*
* @type { ResourceStr }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
name: ResourceStr,
/**
* Changed NavDestination state.
*
* @type { NavDestinationState }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* Changed NavDestination state.
*
* @type { NavDestinationState }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
state: NavDestinationState,
/**
* NavDestination index.
*
* @type { number }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
index: number;
/**
* The detailed parameter of NavDestination.
*
* @type { ?Object }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
param?: Object;
/**
* Auto-generated navDestination id, which is different from common property id of Component.
*
* @type { string }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
navDestinationId: string;
}
/**
* Navigation info.
*
* @interface NavigationInfo
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export interface NavigationInfo {
/**
* Navigation id.
*
* @type { string }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
navigationId: string;
/**
* Navigation path stack.
*
* @type { NavPathStack }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
pathStack: NavPathStack;
}
/**
* ScrollEvent info.
*
* @interface ScrollEventInfo
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export interface ScrollEventInfo {
/**
* Scroll id.
*
* @type { string }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
id: string,
/**
* The uniqueId of the scrollable component.
*
* @type { number }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
uniqueId: number,
/**
* Changed ScrollEvent type.
*
* @type { ScrollEventType }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
scrollEvent: ScrollEventType,
/**
* Changed ScrollEvent offset.
*
* @type { number }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
offset: number
}
/**
* observer options.
*
* @interface ObserverOptions
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export interface ObserverOptions {
/**
* component id.
*
* @type { string }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
id: string
}
/**
* Router page info.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* Router page info.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export class RouterPageInfo {
/**
* The context of the changed router page.
*
* @type { UIAbilityContext | UIContext }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* The context of the changed router page.
*
* @type { UIAbilityContext | UIContext }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
context: UIAbilityContext | UIContext;
/**
* The index of the changed router page in router stack.
*
* @type { number }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* The index of the changed router page in router stack.
*
* @type { number }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
index: number;
/**
* The name of the changed router page.
*
* @type { string }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* The name of the changed router page.
*
* @type { string }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
name: string;
/**
* The path of the changed router page.
*
* @type { string }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* The path of the changed router page.
*
* @type { string }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
path: string;
/**
* The state of the changed router page.
*
* @type { RouterPageState }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* The state of the changed router page.
*
* @type { RouterPageState }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
state: RouterPageState;
/**
* The unique identifier of the router page.
*
* @type { string }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
pageId: string;
}
/**
* Density info.
*
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export class DensityInfo {
/**
* The context of the changed screen density.
*
* @type { UIContext }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
context: UIContext;
/**
* The changed screen density.
*
* @type { number }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
density: number;
}
/**
* NavDestination switch info
*
* @interface NavDestinationSwitchInfo
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export interface NavDestinationSwitchInfo {
/**
* The context of the navigation operation.
*
* @type { UIAbilityContext | UIContext }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
context: UIAbilityContext | UIContext;
/**
* From navigation content info.
*
* @type { NavDestinationInfo | NavBar }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
from: NavDestinationInfo | NavBar;
/**
* To navigation content info.
*
* @type { NavDestinationInfo | NavBar }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
to: NavDestinationInfo | NavBar;
/**
* The operation type.
*
* @type { NavigationOperation }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
operation: NavigationOperation;
}
/**
* Indicates the options of NavDestination switch.
*
* @interface NavDestinationSwitchObserverOptions
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export interface NavDestinationSwitchObserverOptions {
/**
* The navigationId that need observation
*
* @type { ResourceStr }
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
navigationId: ResourceStr;
}
/**
* Registers a callback function to be called when the navigation destination is updated.
*
* @param { 'navDestinationUpdate' } type - The type of event to listen for. Must be 'navDestinationUpdate'.
* @param { object } options - The options object.
* @param { Callback<NavDestinationInfo> } callback - The callback function to be called when the navigation destination is updated.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* Registers a callback function to be called when the navigation destination is updated.
*
* @param { 'navDestinationUpdate' } type - The type of event to listen for. Must be 'navDestinationUpdate'.
* @param { object } options - The options object.
* @param { Callback<NavDestinationInfo> } callback - The callback function to be called when the navigation destination is updated.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function on(type: 'navDestinationUpdate', options: { navigationId: ResourceStr }, callback: Callback<NavDestinationInfo>): void;
/**
* Removes a callback function that was previously registered with `on()`.
*
* @param { 'navDestinationUpdate' } type - The type of event to remove the listener for. Must be 'navDestinationUpdate'.
* @param { object } options - The options object.
* @param { Callback<NavDestinationInfo> } callback - The callback function to remove. If not provided, all callbacks for the given event type and
* navigation ID will be removed.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* Removes a callback function that was previously registered with `on()`.
*
* @param { 'navDestinationUpdate' } type - The type of event to remove the listener for. Must be 'navDestinationUpdate'.
* @param { object } options - The options object.
* @param { Callback<NavDestinationInfo> } callback - The callback function to remove. If not provided, all callbacks for the given event type and
* navigation ID will be removed.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function off(type: 'navDestinationUpdate', options: { navigationId: ResourceStr }, callback?: Callback<NavDestinationInfo>): void;
/**
* Registers a callback function to be called when the navigation destination is updated.
*
* @param { 'navDestinationUpdate' } type - The type of event to listen for. Must be 'navDestinationUpdate'.
* @param { Callback<NavDestinationInfo> } callback - The callback function to be called when the navigation destination is updated.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* Registers a callback function to be called when the navigation destination is updated.
*
* @param { 'navDestinationUpdate' } type - The type of event to listen for. Must be 'navDestinationUpdate'.
* @param { Callback<NavDestinationInfo> } callback - The callback function to be called when the navigation destination is updated.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function on(type: 'navDestinationUpdate', callback: Callback<NavDestinationInfo>): void;
/**
* Removes a callback function that was previously registered with `on()`.
*
* @param { 'navDestinationUpdate'} type - The type of event to remove the listener for. Must be 'navDestinationUpdate'.
* @param { Callback<NavDestinationInfo> } [callback] - The callback function to remove. If not provided, all callbacks for the given event type
* will be removed.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* Removes a callback function that was previously registered with `on()`.
*
* @param { 'navDestinationUpdate'} type - The type of event to remove the listener for. Must be 'navDestinationUpdate'.
* @param { Callback<NavDestinationInfo> } [callback] - The callback function to remove. If not provided, all callbacks for the given event type
* will be removed.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function off(type: 'navDestinationUpdate', callback?: Callback<NavDestinationInfo>): void;
/**
* Registers a callback function to be called when the scroll event start or stop.
*
* @param { 'scrollEvent' } type - The type of event to listen for. Must be 'scrollEvent'.
* @param { ObserverOptions } options - The options object.
* @param { Callback<ScrollEventInfo> } callback - The callback function to be called when the scroll event start or stop.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function on(type: 'scrollEvent', options: ObserverOptions, callback: Callback<ScrollEventInfo>): void;
/**
* Removes a callback function that was previously registered with `on()`.
*
* @param { 'scrollEvent' } type - The type of event to remove the listener for. Must be 'scrollEvent'.
* @param { ObserverOptions } options - The options object.
* @param { Callback<ScrollEventInfo> } callback - The callback function to remove. If not provided, all callbacks for the given event type and
* scroll ID will be removed.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function off(type: 'scrollEvent', options: ObserverOptions, callback?: Callback<ScrollEventInfo>): void;
/**
* Registers a callback function to be called when the scroll event start or stop.
*
* @param { 'scrollEvent' } type - The type of event to listen for. Must be 'scrollEvent'.
* @param { Callback<ScrollEventInfo> } callback - The callback function to be called when the scroll event start or stop.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function on(type: 'scrollEvent', callback: Callback<ScrollEventInfo>): void;
/**
* Removes a callback function that was previously registered with `on()`.
*
* @param { 'scrollEvent'} type - The type of event to remove the listener for. Must be 'scrollEvent'.
* @param { Callback<ScrollEventInfo> } [callback] - The callback function to remove. If not provided, all callbacks for the given event type
* will be removed.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function off(type: 'scrollEvent', callback?: Callback<ScrollEventInfo>): void;
/**
* Registers a callback function to be called when the router page is updated.
*
* @param { 'routerPageUpdate' } type - The type of event to listen for. Must be 'routerPageUpdate'.
* @param { UIAbilityContext | UIContext } context - The context scope of the observer.
* @param { Callback<RouterPageInfo> } callback - The callback function to be called when the router page is updated.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* Registers a callback function to be called when the router page is updated.
*
* @param { 'routerPageUpdate' } type - The type of event to listen for. Must be 'routerPageUpdate'.
* @param { UIAbilityContext | UIContext } context - The context scope of the observer.
* @param { Callback<RouterPageInfo> } callback - The callback function to be called when the router page is updated.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function on(type: 'routerPageUpdate', context: UIAbilityContext | UIContext, callback: Callback<RouterPageInfo>): void;
/**
* Removes a callback function that was previously registered with `on()`.
*
* @param { 'routerPageUpdate' } type - The type of event to remove the listener for. Must be 'routerPageUpdate'.
* @param { UIAbilityContext | UIContext } context - The context scope of the observer.
* @param { Callback<RouterPageInfo> } [callback] - The callback function to remove. If not provided, all callbacks for the given event type
* will be removed.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @since 11
*/
/**
* Removes a callback function that was previously registered with `on()`.
*
* @param { 'routerPageUpdate' } type - The type of event to remove the listener for. Must be 'routerPageUpdate'.
* @param { UIAbilityContext | UIContext } context - The context scope of the observer.
* @param { Callback<RouterPageInfo> } [callback] - The callback function to remove. If not provided, all callbacks for the given event type
* will be removed.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function off(type: 'routerPageUpdate', context: UIAbilityContext | UIContext, callback?: Callback<RouterPageInfo>): void;
/**
* Registers a callback function to be called when the screen density is updated.
*
* @param { 'densityUpdate' } type - The type of event to listen for. Must be 'densityUpdate'.
* @param { UIContext } context - The context scope of the observer.
* @param { Callback<DensityInfo> } callback - The callback function to be called when the router page is updated.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function on(type: 'densityUpdate', context: UIContext, callback: Callback<DensityInfo>): void;
/**
* Removes a callback function that was previously registered with `on()`.
*
* @param { 'densityUpdate' } type - The type of event to remove the listener for. Must be 'densityUpdate'.
* @param { UIContext } context - The context scope of the observer.
* @param { Callback<DensityInfo> } [callback] - The callback function to remove. If not provided, all callbacks for the given event type
* will be removed.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function off(type: 'densityUpdate', context: UIContext, callback?: Callback<DensityInfo>): void;
/**
* Registers a callback function to be called when the draw command will be drawn.
*
* @param { 'willDraw' } type - The type of event to listen for. Must be 'willDraw'.
* @param { UIContext } context - The context scope of the observer.
* @param { Callback<void> } callback - The callback function to be called when the draw command will be drawn.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function on(type: 'willDraw', context: UIContext, callback: Callback<void>): void;
/**
* Removes a callback function that was previously registered with `on()`.
*
* @param { 'willDraw' } type - The type of event to remove the listener for. Must be 'willDraw'.
* @param { UIContext } context - The context scope of the observer.
* @param { Callback<void> } [callback] - The callback function to remove. If not provided, all callbacks for the given event type
* will be removed.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function off(type: 'willDraw', context: UIContext, callback?: Callback<void>): void;
/**
* Registers a callback function to be called when the layout is done.
*
* @param { 'didLayout' } type - The type of event to listen for. Must be 'didLayout'.
* @param { UIContext } context - The context scope of the observer.
* @param { Callback<void> } callback - The callback function to be called when the layout is done.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function on(type: 'didLayout', context: UIContext, callback: Callback<void>): void;
/**
* Removes a callback function that was previously registered with `on()`.
*
* @param { 'didLayout' } type - The type of event to remove the listener for. Must be 'didLayout'.
* @param { UIContext } context - The context scope of the observer.
* @param { Callback<void> } [callback] - The callback function to remove. If not provided, all callbacks for the given event type
* will be removed.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function off(type: 'didLayout', context: UIContext, callback?: Callback<void>): void;
/**
* Registers a callback function to be called when the navigation switched to a new navDestination.
*
* @param { 'navDestinationSwitch' } type - The type of event to listen for. Must be 'navDestinationSwitch'.
* @param { UIAbilityContext | UIContext } context - The context scope of the observer.
* @param { Callback<NavDestinationSwitchInfo> } callback - The callback function to be called when the navigation switched to a new navDestination.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function on(
type: 'navDestinationSwitch',
context: UIAbilityContext | UIContext,
callback: Callback<NavDestinationSwitchInfo>
): void;
/**
* Removes a callback function that was previously registered with `on()`.
*
* @param { 'navDestinationSwitch' } type - The type of event to remove the listener for. Must be 'navDestinationSwitch'.
* @param { UIAbilityContext | UIContext } context - The context scope of the observer.
* @param { Callback<NavDestinationSwitchInfo> } [callback] - The callback function to remove. If not provided, all callbacks for the given event type
* will be removed.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function off(
type: 'navDestinationSwitch',
context: UIAbilityContext | UIContext,
callback?: Callback<NavDestinationSwitchInfo>
): void;
/**
* Registers a callback function to be called when the navigation switched to a new navDestination.
*
* @param { 'navDestinationSwitch' } type - The type of event to listen for. Must be 'navDestinationSwitch'.
* @param { UIAbilityContext | UIContext } context - The context scope of the observer.
* @param { NavDestinationSwitchObserverOptions } observerOptions - Options.
* @param { Callback<NavDestinationSwitchInfo> } callback - The callback function to be called when the navigation switched to a new navDestination.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function on(
type: 'navDestinationSwitch',
context: UIAbilityContext | UIContext,
observerOptions: NavDestinationSwitchObserverOptions,
callback: Callback<NavDestinationSwitchInfo>
): void;
/**
* Removes a callback function that was previously registered with `on()`.
*
* @param { 'navDestinationSwitch' } type - The type of event to remove the listener for. Must be 'navDestinationSwitch'.
* @param { UIAbilityContext | UIContext } context - The context scope of the observer.
* @param { NavDestinationSwitchObserverOptions } observerOptions - Options.
* @param { Callback<NavDestinationSwitchInfo> } [callback] - The callback function to remove. If not provided, all callbacks for the given event type
* will be removed.
* @syscap SystemCapability.ArkUI.ArkUI.Full
* @crossplatform
* @atomicservice
* @since 12
*/
export function off(
type: 'navDestinationSwitch',
context: UIAbilityContext | UIContext,
observerOptions: NavDestinationSwitchObserverOptions,
callback?: Callback<NavDestinationSwitchInfo>
): void;
}
export default uiObserver;