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vrclipboard-ime-gui/node_modules/@tauri-apps/api/webview.d.ts
2025-06-05 20:20:53 +09:00

532 lines
19 KiB
TypeScript

/**
* Provides APIs to create webviews, communicate with other webviews and manipulate the current webview.
*
* #### Webview events
*
* Events can be listened to using {@link Webview.listen}:
* ```typescript
* import { getCurrentWebview } from "@tauri-apps/api/webview";
* getCurrentWebview().listen("my-webview-event", ({ event, payload }) => { });
* ```
*
* @module
*/
import { PhysicalPosition, PhysicalSize } from './dpi';
import type { LogicalPosition, LogicalSize } from './dpi';
import { Position, Size } from './dpi';
import type { EventName, EventCallback, UnlistenFn } from './event';
import { type EventTarget } from './event';
import { BackgroundThrottlingPolicy, Color, Window } from './window';
import { WebviewWindow } from './webviewWindow';
/** The drag and drop event types. */
type DragDropEvent = {
type: 'enter';
paths: string[];
position: PhysicalPosition;
} | {
type: 'over';
position: PhysicalPosition;
} | {
type: 'drop';
paths: string[];
position: PhysicalPosition;
} | {
type: 'leave';
};
/**
* Get an instance of `Webview` for the current webview.
*
* @since 2.0.0
*/
declare function getCurrentWebview(): Webview;
/**
* Gets a list of instances of `Webview` for all available webviews.
*
* @since 2.0.0
*/
declare function getAllWebviews(): Promise<Webview[]>;
/** @ignore */
export type WebviewLabel = string;
/**
* Create new webview or get a handle to an existing one.
*
* Webviews are identified by a *label* a unique identifier that can be used to reference it later.
* It may only contain alphanumeric characters `a-zA-Z` plus the following special characters `-`, `/`, `:` and `_`.
*
* @example
* ```typescript
* import { Window } from "@tauri-apps/api/window"
* import { Webview } from "@tauri-apps/api/webview"
*
* const appWindow = new Window('uniqueLabel');
*
* // loading embedded asset:
* const webview = new Webview(appWindow, 'theUniqueLabel', {
* url: 'path/to/page.html'
* });
* // alternatively, load a remote URL:
* const webview = new Webview(appWindow, 'theUniqueLabel', {
* url: 'https://github.com/tauri-apps/tauri'
* });
*
* webview.once('tauri://created', function () {
* // webview successfully created
* });
* webview.once('tauri://error', function (e) {
* // an error happened creating the webview
* });
*
* // emit an event to the backend
* await webview.emit("some-event", "data");
* // listen to an event from the backend
* const unlisten = await webview.listen("event-name", e => {});
* unlisten();
* ```
*
* @since 2.0.0
*/
declare class Webview {
/** The webview label. It is a unique identifier for the webview, can be used to reference it later. */
label: WebviewLabel;
/** The window hosting this webview. */
window: Window;
/** Local event listeners. */
listeners: Record<string, Array<EventCallback<any>>>;
/**
* Creates a new Webview.
* @example
* ```typescript
* import { Window } from '@tauri-apps/api/window'
* import { Webview } from '@tauri-apps/api/webview'
* const appWindow = new Window('my-label')
* const webview = new Webview(appWindow, 'my-label', {
* url: 'https://github.com/tauri-apps/tauri'
* });
* webview.once('tauri://created', function () {
* // webview successfully created
* });
* webview.once('tauri://error', function (e) {
* // an error happened creating the webview
* });
* ```
*
* @param window the window to add this webview to.
* @param label The unique webview label. Must be alphanumeric: `a-zA-Z-/:_`.
* @returns The {@link Webview} instance to communicate with the webview.
*/
constructor(window: Window, label: WebviewLabel, options: WebviewOptions);
/**
* Gets the Webview for the webview associated with the given label.
* @example
* ```typescript
* import { Webview } from '@tauri-apps/api/webview';
* const mainWebview = Webview.getByLabel('main');
* ```
*
* @param label The webview label.
* @returns The Webview instance to communicate with the webview or null if the webview doesn't exist.
*/
static getByLabel(label: string): Promise<Webview | null>;
/**
* Get an instance of `Webview` for the current webview.
*/
static getCurrent(): Webview;
/**
* Gets a list of instances of `Webview` for all available webviews.
*/
static getAll(): Promise<Webview[]>;
/**
* Listen to an emitted event on this webview.
*
* @example
* ```typescript
* import { getCurrentWebview } from '@tauri-apps/api/webview';
* const unlisten = await getCurrentWebview().listen<string>('state-changed', (event) => {
* console.log(`Got error: ${payload}`);
* });
*
* // you need to call unlisten if your handler goes out of scope e.g. the component is unmounted
* unlisten();
* ```
*
* @param event Event name. Must include only alphanumeric characters, `-`, `/`, `:` and `_`.
* @param handler Event handler.
* @returns A promise resolving to a function to unlisten to the event.
* Note that removing the listener is required if your listener goes out of scope e.g. the component is unmounted.
*/
listen<T>(event: EventName, handler: EventCallback<T>): Promise<UnlistenFn>;
/**
* Listen to an emitted event on this webview only once.
*
* @example
* ```typescript
* import { getCurrentWebview } from '@tauri-apps/api/webview';
* const unlisten = await getCurrent().once<null>('initialized', (event) => {
* console.log(`Webview initialized!`);
* });
*
* // you need to call unlisten if your handler goes out of scope e.g. the component is unmounted
* unlisten();
* ```
*
* @param event Event name. Must include only alphanumeric characters, `-`, `/`, `:` and `_`.
* @param handler Event handler.
* @returns A promise resolving to a function to unlisten to the event.
* Note that removing the listener is required if your listener goes out of scope e.g. the component is unmounted.
*/
once<T>(event: EventName, handler: EventCallback<T>): Promise<UnlistenFn>;
/**
* Emits an event to all {@link EventTarget|targets}.
*
* @example
* ```typescript
* import { getCurrentWebview } from '@tauri-apps/api/webview';
* await getCurrentWebview().emit('webview-loaded', { loggedIn: true, token: 'authToken' });
* ```
*
* @param event Event name. Must include only alphanumeric characters, `-`, `/`, `:` and `_`.
* @param payload Event payload.
*/
emit<T>(event: string, payload?: T): Promise<void>;
/**
* Emits an event to all {@link EventTarget|targets} matching the given target.
*
* @example
* ```typescript
* import { getCurrentWebview } from '@tauri-apps/api/webview';
* await getCurrentWebview().emitTo('main', 'webview-loaded', { loggedIn: true, token: 'authToken' });
* ```
*
* @param target Label of the target Window/Webview/WebviewWindow or raw {@link EventTarget} object.
* @param event Event name. Must include only alphanumeric characters, `-`, `/`, `:` and `_`.
* @param payload Event payload.
*/
emitTo<T>(target: string | EventTarget, event: string, payload?: T): Promise<void>;
/** @ignore */
_handleTauriEvent<T>(event: string, handler: EventCallback<T>): boolean;
/**
* The position of the top-left hand corner of the webview's client area relative to the top-left hand corner of the desktop.
* @example
* ```typescript
* import { getCurrentWebview } from '@tauri-apps/api/webview';
* const position = await getCurrentWebview().position();
* ```
*
* @returns The webview's position.
*/
position(): Promise<PhysicalPosition>;
/**
* The physical size of the webview's client area.
* The client area is the content of the webview, excluding the title bar and borders.
* @example
* ```typescript
* import { getCurrentWebview } from '@tauri-apps/api/webview';
* const size = await getCurrentWebview().size();
* ```
*
* @returns The webview's size.
*/
size(): Promise<PhysicalSize>;
/**
* Closes the webview.
* @example
* ```typescript
* import { getCurrentWebview } from '@tauri-apps/api/webview';
* await getCurrentWebview().close();
* ```
*
* @returns A promise indicating the success or failure of the operation.
*/
close(): Promise<void>;
/**
* Resizes the webview.
* @example
* ```typescript
* import { getCurrent, LogicalSize } from '@tauri-apps/api/webview';
* await getCurrentWebview().setSize(new LogicalSize(600, 500));
* ```
*
* @param size The logical or physical size.
* @returns A promise indicating the success or failure of the operation.
*/
setSize(size: LogicalSize | PhysicalSize | Size): Promise<void>;
/**
* Sets the webview position.
* @example
* ```typescript
* import { getCurrent, LogicalPosition } from '@tauri-apps/api/webview';
* await getCurrentWebview().setPosition(new LogicalPosition(600, 500));
* ```
*
* @param position The new position, in logical or physical pixels.
* @returns A promise indicating the success or failure of the operation.
*/
setPosition(position: LogicalPosition | PhysicalPosition | Position): Promise<void>;
/**
* Bring the webview to front and focus.
* @example
* ```typescript
* import { getCurrentWebview } from '@tauri-apps/api/webview';
* await getCurrentWebview().setFocus();
* ```
*
* @returns A promise indicating the success or failure of the operation.
*/
setFocus(): Promise<void>;
/**
* Hide the webview.
* @example
* ```typescript
* import { getCurrentWebview } from '@tauri-apps/api/webview';
* await getCurrentWebview().hide();
* ```
*
* @returns A promise indicating the success or failure of the operation.
*/
hide(): Promise<void>;
/**
* Show the webview.
* @example
* ```typescript
* import { getCurrentWebview } from '@tauri-apps/api/webview';
* await getCurrentWebview().show();
* ```
*
* @returns A promise indicating the success or failure of the operation.
*/
show(): Promise<void>;
/**
* Set webview zoom level.
* @example
* ```typescript
* import { getCurrentWebview } from '@tauri-apps/api/webview';
* await getCurrentWebview().setZoom(1.5);
* ```
*
* @returns A promise indicating the success or failure of the operation.
*/
setZoom(scaleFactor: number): Promise<void>;
/**
* Moves this webview to the given label.
* @example
* ```typescript
* import { getCurrentWebview } from '@tauri-apps/api/webview';
* await getCurrentWebview().reparent('other-window');
* ```
*
* @returns A promise indicating the success or failure of the operation.
*/
reparent(window: Window | WebviewWindow | string): Promise<void>;
/**
* Clears all browsing data for this webview.
* @example
* ```typescript
* import { getCurrentWebview } from '@tauri-apps/api/webview';
* await getCurrentWebview().clearAllBrowsingData();
* ```
*
* @returns A promise indicating the success or failure of the operation.
*/
clearAllBrowsingData(): Promise<void>;
/**
* Specify the webview background color.
*
* #### Platfrom-specific:
*
* - **macOS / iOS**: Not implemented.
* - **Windows**:
* - On Windows 7, transparency is not supported and the alpha value will be ignored.
* - On Windows higher than 7: translucent colors are not supported so any alpha value other than `0` will be replaced by `255`
*
* @returns A promise indicating the success or failure of the operation.
*
* @since 2.1.0
*/
setBackgroundColor(color: Color | null): Promise<void>;
/**
* Listen to a file drop event.
* The listener is triggered when the user hovers the selected files on the webview,
* drops the files or cancels the operation.
*
* @example
* ```typescript
* import { getCurrentWebview } from "@tauri-apps/api/webview";
* const unlisten = await getCurrentWebview().onDragDropEvent((event) => {
* if (event.payload.type === 'over') {
* console.log('User hovering', event.payload.position);
* } else if (event.payload.type === 'drop') {
* console.log('User dropped', event.payload.paths);
* } else {
* console.log('File drop cancelled');
* }
* });
*
* // you need to call unlisten if your handler goes out of scope e.g. the component is unmounted
* unlisten();
* ```
*
* When the debugger panel is open, the drop position of this event may be inaccurate due to a known limitation.
* To retrieve the correct drop position, please detach the debugger.
*
* @returns A promise resolving to a function to unlisten to the event.
* Note that removing the listener is required if your listener goes out of scope e.g. the component is unmounted.
*/
onDragDropEvent(handler: EventCallback<DragDropEvent>): Promise<UnlistenFn>;
}
/**
* Configuration for the webview to create.
*
* @since 2.0.0
*/
interface WebviewOptions {
/**
* Remote URL or local file path to open.
*
* - URL such as `https://github.com/tauri-apps` is opened directly on a Tauri webview.
* - data: URL such as `data:text/html,<html>...` is only supported with the `webview-data-url` Cargo feature for the `tauri` dependency.
* - local file path or route such as `/path/to/page.html` or `/users` is appended to the application URL (the devServer URL on development, or `tauri://localhost/` and `https://tauri.localhost/` on production).
*/
url?: string;
/** The initial vertical position. */
x: number;
/** The initial horizontal position. */
y: number;
/** The initial width. */
width: number;
/** The initial height. */
height: number;
/**
* Whether the webview is transparent or not.
* Note that on `macOS` this requires the `macos-private-api` feature flag, enabled under `tauri.conf.json > app > macOSPrivateApi`.
* WARNING: Using private APIs on `macOS` prevents your application from being accepted to the `App Store`.
*/
transparent?: boolean;
/**
* Whether the webview should have focus or not
*
* @since 2.1.0
*/
focus?: boolean;
/**
* Whether the drag and drop is enabled or not on the webview. By default it is enabled.
*
* Disabling it is required to use HTML5 drag and drop on the frontend on Windows.
*/
dragDropEnabled?: boolean;
/**
* Whether clicking an inactive webview also clicks through to the webview on macOS.
*/
acceptFirstMouse?: boolean;
/**
* The user agent for the webview.
*/
userAgent?: string;
/**
* Whether or not the webview should be launched in incognito mode.
*
* #### Platform-specific
*
* - **Android:** Unsupported.
*/
incognito?: boolean;
/**
* The proxy URL for the WebView for all network requests.
*
* Must be either a `http://` or a `socks5://` URL.
*
* #### Platform-specific
*
* - **macOS**: Requires the `macos-proxy` feature flag and only compiles for macOS 14+.
* */
proxyUrl?: string;
/**
* Whether page zooming by hotkeys is enabled
*
* #### Platform-specific:
*
* - **Windows**: Controls WebView2's [`IsZoomControlEnabled`](https://learn.microsoft.com/en-us/microsoft-edge/webview2/reference/winrt/microsoft_web_webview2_core/corewebview2settings?view=webview2-winrt-1.0.2420.47#iszoomcontrolenabled) setting.
* - **MacOS / Linux**: Injects a polyfill that zooms in and out with `ctrl/command` + `-/=`,
* 20% in each step, ranging from 20% to 1000%. Requires `webview:allow-set-webview-zoom` permission
*
* - **Android / iOS**: Unsupported.
*/
zoomHotkeysEnabled?: boolean;
/**
* Sets whether the custom protocols should use `https://<scheme>.localhost` instead of the default `http://<scheme>.localhost` on Windows and Android. Defaults to `false`.
*
* #### Note
*
* Using a `https` scheme will NOT allow mixed content when trying to fetch `http` endpoints and therefore will not match the behavior of the `<scheme>://localhost` protocols used on macOS and Linux.
*
* #### Warning
*
* Changing this value between releases will change the IndexedDB, cookies and localstorage location and your app will not be able to access them.
*
* @since 2.1.0
*/
useHttpsScheme?: boolean;
/**
* Whether web inspector, which is usually called browser devtools, is enabled or not. Enabled by default.
*
* This API works in **debug** builds, but requires `devtools` feature flag to enable it in **release** builds.
*
* #### Platform-specific
*
* - macOS: This will call private functions on **macOS**.
* - Android: Open `chrome://inspect/#devices` in Chrome to get the devtools window. Wry's `WebView` devtools API isn't supported on Android.
* - iOS: Open Safari > Develop > [Your Device Name] > [Your WebView] to get the devtools window.
*
* @since 2.1.0
*/
devtools?: boolean;
/**
* Set the window and webview background color.
*
* #### Platform-specific:
*
* - **macOS / iOS**: Not implemented.
* - **Windows**:
* - On Windows 7, alpha channel is ignored.
* - On Windows 8 and newer, if alpha channel is not `0`, it will be ignored.
*
* @since 2.1.0
*/
backgroundColor?: Color;
/** Change the default background throttling behaviour.
*
* By default, browsers use a suspend policy that will throttle timers and even unload
* the whole tab (view) to free resources after roughly 5 minutes when a view became
* minimized or hidden. This will pause all tasks until the documents visibility state
* changes back from hidden to visible by bringing the view back to the foreground.
*
* ## Platform-specific
*
* - **Linux / Windows / Android**: Unsupported. Workarounds like a pending WebLock transaction might suffice.
* - **iOS**: Supported since version 17.0+.
* - **macOS**: Supported since version 14.0+.
*
* see https://github.com/tauri-apps/tauri/issues/5250#issuecomment-2569380578
*
* @since 2.3.0
*/
backgroundThrottling?: BackgroundThrottlingPolicy;
/**
* Whether we should disable JavaScript code execution on the webview or not.
*/
javascriptDisabled?: boolean;
/**
* on macOS and iOS there is a link preview on long pressing links, this is enabled by default.
* see https://docs.rs/objc2-web-kit/latest/objc2_web_kit/struct.WKWebView.html#method.allowsLinkPreview
*/
allowLinkPreview?: boolean;
/**
* Allows disabling the input accessory view on iOS.
*
* The accessory view is the view that appears above the keyboard when a text input element is focused.
* It usually displays a view with "Done", "Next" buttons.
*/
disableInputAccessoryView?: boolean;
}
export { Webview, getCurrentWebview, getAllWebviews };
export type { DragDropEvent, WebviewOptions, Color };