// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

module watermark.mojom;

// Used by the WebUI page to bootstrap bidirectional communication.
interface PageHandlerFactory {
  // Creates a PageHandler and binds it to the given receiver, allowing the
  // WebUI page to send messages to the browser process.
  CreatePageHandler(pending_receiver<PageHandler> handler);
};

// Defines the properties for the watermark.
struct WatermarkSettings {
  // Opacity of the watermark's fill, from 0 to 100.
  int32 fill_opacity;
  // Opacity of the watermark's outline, from 0 to 100.
  int32 outline_opacity;
  // Font size of the watermark text in points.
  int32 font_size;
  // Content of the watermark text.
  string watermark_text;
};

// Implemented in the browser process to handle requests from the WebUI page.
interface PageHandler {
  // Sets the properties for the watermark. Called by the WebUI when the user
  // adjusts the watermark controls, allowing for real-time updates.
  // @param settings The desired settings for the watermark.
  SetWatermarkSettings(WatermarkSettings settings);

  // Triggers a toast with text "Copied to clipboard" to show up.
  ShowNotificationToast();
};