feat(dragAndDrop): page.dragAndDrop

docs/src/api/class-frame.md

@@ -374,6 +374,20 @@ Optional event-specific initialization properties.
 
 ### option: Frame.dispatchEvent.timeout = %%-input-timeout-%%
 
+## async method: Frame.dragAndDrop
+
+### param: Frame.dragAndDrop.source = %%-input-source-%%
+
+### param: Frame.dragAndDrop.target = %%-input-target-%%
+
+### option: Frame.dragAndDrop.force = %%-input-force-%%
+
+### option: Frame.dragAndDrop.noWaitAfter = %%-input-no-wait-after-%%
+
+### option: Frame.dragAndDrop.timeout = %%-input-timeout-%%
+
+### option: Frame.dragAndDrop.trial = %%-input-trial-%%
+
 ## async method: Frame.evalOnSelector
 * langs:
   - alias-python: eval_on_selector

docs/src/api/class-page.md

@@ -811,6 +811,20 @@ Optional event-specific initialization properties.
 
 ### option: Page.dispatchEvent.timeout = %%-input-timeout-%%
 
+## async method: Page.dragAndDrop
+
+### param: Page.dragAndDrop.source = %%-input-source-%%
+
+### param: Page.dragAndDrop.target = %%-input-target-%%
+
+### option: Page.dragAndDrop.force = %%-input-force-%%
+
+### option: Page.dragAndDrop.noWaitAfter = %%-input-no-wait-after-%%
+
+### option: Page.dragAndDrop.timeout = %%-input-timeout-%%
+
+### option: Page.dragAndDrop.trial = %%-input-trial-%%
+
 ## async method: Page.emulateMedia
 
 This method changes the `CSS media type` through the `media` argument, and/or the `'prefers-colors-scheme'` media feature, using the `colorScheme` argument.

docs/src/api/params.md

@@ -44,7 +44,17 @@ Whether to bypass the [actionability](./actionability.md) checks. Defaults to `f
 ## input-selector
 - `selector` <[string]>
 
-A selector to search for element. If there are multiple elements satisfying the selector, the first will be used. See
+A selector to search for an element. If there are multiple elements satisfying the selector, the first will be used. See
+[working with selectors](./selectors.md) for more details.
+
+## input-source
+- `source` <[string]>
+A selector to search for an element to drag. If there are multiple elements satisfying the selector, the first will be used. See
+[working with selectors](./selectors.md) for more details.
+
+## input-target
+- `target` <[string]>
+A selector to search for an element to drop onto. If there are multiple elements satisfying the selector, the first will be used. See
 [working with selectors](./selectors.md) for more details.
 
 ## input-position

src/client/frame.ts

@@ -298,6 +298,12 @@ export class Frame extends ChannelOwner<channels.FrameChannel, channels.FrameIni
     });
   }
 
+  async dragAndDrop(source: string, target: string, options: channels.FrameDragAndDropOptions = {}) {
+    return this._wrapApiCall(async (channel: channels.FrameChannel) => {
+      return await channel.dragAndDrop({ source, target, ...options });
+    });
+  }
+
   async tap(selector: string, options: channels.FrameTapOptions = {}) {
     return this._wrapApiCall(async (channel: channels.FrameChannel) => {
       return await channel.tap({ selector, ...options });

src/client/page.ts

@@ -505,6 +505,10 @@ export class Page extends ChannelOwner<channels.PageChannel, channels.PageInitia
     return this._mainFrame.click(selector, options);
   }
 
+  async dragAndDrop(source: string, target: string, options?: channels.FrameDragAndDropOptions) {
+    return this._mainFrame.dragAndDrop(source, target, options);
+  }
+
   async dblclick(selector: string, options?: channels.FrameDblclickOptions) {
     return this._mainFrame.dblclick(selector, options);
   }

src/dispatchers/frameDispatcher.ts

@@ -123,6 +123,10 @@ export class FrameDispatcher extends Dispatcher<Frame, channels.FrameInitializer
     return await this._frame.dblclick(metadata, params.selector, params);
   }
 
+  async dragAndDrop(params: channels.FrameDragAndDropParams, metadata: CallMetadata): Promise<void> {
+    return await this._frame.dragAndDrop(metadata, params.source, params.target, params);
+  }
+
   async tap(params: channels.FrameTapParams, metadata: CallMetadata): Promise<void> {
     return await this._frame.tap(metadata, params.selector, params);
   }

src/protocol/channels.ts

@@ -1310,6 +1310,7 @@ export interface FrameChannel extends Channel {
   check(params: FrameCheckParams, metadata?: Metadata): Promise<FrameCheckResult>;
   click(params: FrameClickParams, metadata?: Metadata): Promise<FrameClickResult>;
   content(params?: FrameContentParams, metadata?: Metadata): Promise<FrameContentResult>;
+  dragAndDrop(params: FrameDragAndDropParams, metadata?: Metadata): Promise<FrameDragAndDropResult>;
   dblclick(params: FrameDblclickParams, metadata?: Metadata): Promise<FrameDblclickResult>;
   dispatchEvent(params: FrameDispatchEventParams, metadata?: Metadata): Promise<FrameDispatchEventResult>;
   evaluateExpression(params: FrameEvaluateExpressionParams, metadata?: Metadata): Promise<FrameEvaluateExpressionResult>;
@@ -1448,6 +1449,21 @@ export type FrameContentOptions = {};
 export type FrameContentResult = {
   value: string,
 };
+export type FrameDragAndDropParams = {
+  source: string,
+  target: string,
+  force?: boolean,
+  noWaitAfter?: boolean,
+  timeout?: number,
+  trial?: boolean,
+};
+export type FrameDragAndDropOptions = {
+  force?: boolean,
+  noWaitAfter?: boolean,
+  timeout?: number,
+  trial?: boolean,
+};
+export type FrameDragAndDropResult = void;
 export type FrameDblclickParams = {
   selector: string,
   force?: boolean,

src/protocol/protocol.yml

@@ -1177,6 +1177,15 @@ Frame:
       returns:
         value: string
 
+    dragAndDrop:
+      parameters:
+        source: string
+        target: string
+        force: boolean?
+        noWaitAfter: boolean?
+        timeout: number?
+        trial: boolean?
+
     dblclick:
       parameters:
         selector: string

src/protocol/validator.ts

@@ -587,6 +587,14 @@ export function createScheme(tChannel: (name: string) => Validator): Scheme {
     trial: tOptional(tBoolean),
   });
   scheme.FrameContentParams = tOptional(tObject({}));
+  scheme.FrameDragAndDropParams = tObject({
+    source: tString,
+    target: tString,
+    force: tOptional(tBoolean),
+    noWaitAfter: tOptional(tBoolean),
+    timeout: tOptional(tNumber),
+    trial: tOptional(tBoolean),
+  });
   scheme.FrameDblclickParams = tObject({
     selector: tString,
     force: tOptional(tBoolean),

src/server/frames.ts

@@ -982,6 +982,30 @@ export class Frame extends SdkObject {
     }, this._page._timeoutSettings.timeout(options));
   }
 
+  async dragAndDrop(metadata: CallMetadata, source: string, target: string,  options: types.PointerActionWaitOptions & types.NavigatingActionWaitOptions = {}) {
+    const controller = new ProgressController(metadata, this);
+    await controller.run(async progress => {
+      await dom.assertDone(await this._retryWithProgressIfNotConnected(progress, source, async handle => {
+        return handle._retryPointerAction(progress, 'move and down', false, async point => {
+          await this._page.mouse.move(point.x, point.y);
+          await this._page.mouse.down();
+        }, {
+          ...options,
+          timeout: progress.timeUntilDeadline(),
+        });
+      }));
+      await dom.assertDone(await this._retryWithProgressIfNotConnected(progress, target, async handle => {
+        return handle._retryPointerAction(progress, 'move and up', false, async point => {
+          await this._page.mouse.move(point.x, point.y);
+          await this._page.mouse.up();
+        }, {
+          ...options,
+          timeout: progress.timeUntilDeadline(),
+        });
+      }));
+    }, this._page._timeoutSettings.timeout(options));
+  }
+
   async tap(metadata: CallMetadata, selector: string, options: types.PointerActionWaitOptions & types.NavigatingActionWaitOptions) {
     const controller = new ProgressController(metadata, this);
     return controller.run(async progress => {

tests/page/page-drag.spec.ts

@@ -228,6 +228,12 @@ it.describe('Drag and drop', () => {
     expect(await page.$eval('#target', target => target.contains(document.querySelector('#source')))).toBe(true); // could not find source in target
   });
 
+  it('should work with the helper method', async ({page, server}) => {
+    await page.goto(server.PREFIX + '/drag-n-drop.html');
+    await page.dragAndDrop('#source', '#target');
+    expect(await page.$eval('#target', target => target.contains(document.querySelector('#source')))).toBe(true); // could not find source in target
+  });
+
   async function trackEvents(target: ElementHandle) {
     const eventsHandle = await target.evaluateHandle(target => {
       const events: string[] = [];