components/content_capture/common/content_capture.mojom

// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module content_capture.mojom;

import "components/content_capture/common/content_capture_data.mojom";

// This interface helps extract the data of the current page from the
// renderer, each ContentCaptureData represents the on-screen text
// content. The interface has one instance per RenderFrameHost in the
// browser process. All methods are called by renderer.
interface ContentCaptureReceiver {
  // Invoked when the |data| is captured, |first_data| indicates if
  // this is first data from the document.
  DidCaptureContent(ContentCaptureData data, bool first_data);

  // Invoked to notify that the |data| which has already been captured is
  // updated, if |data| hasn't previously been captured, it will simply be
  // ignored.
  DidUpdateContent(ContentCaptureData data);

  // Invoked to notify that a list of content |ids| has been removed.
  DidRemoveContent(array<int64> ids);
};

// This interface has one instance per RenderFrame in renderer process.
interface ContentCaptureSender {
  // Invoked to start/stop ContentCapture, it is stopped by default.
  StartCapture();
  StopCapture();
};