// Copyright 2017 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 blink.mojom;

import "mojo/public/mojom/base/string16.mojom";
import "skia/public/interfaces/bitmap.mojom";
import "url/mojom/url.mojom";

enum ClipboardFormat {
  kPlaintext,
  kHtml,
  kSmartPaste,
  kBookmark,
};

enum ClipboardBuffer {
  kStandard,
  // Used on platforms like the X Window System that treat selection
  // as a type of clipboard.
  // TODO(crbug.com/676224): When preprocessing of mojom is available only
  // define this value for USE_X11.
  kSelection,
};

interface ClipboardHost {
  [Sync]
  GetSequenceNumber(ClipboardBuffer buffer) => (uint64 result);

  [Sync]
  IsFormatAvailable(ClipboardFormat format,
                    ClipboardBuffer buffer) => (bool result);

  [Sync]
  ReadAvailableTypes(ClipboardBuffer buffer) =>
      (array<mojo_base.mojom.String16> types, bool result);

  [Sync]
  ReadText(ClipboardBuffer buffer) => (mojo_base.mojom.BigString16 result);

  [Sync]
  ReadHtml(ClipboardBuffer buffer) => (mojo_base.mojom.BigString16 markup,
                                      url.mojom.Url url,
                                      uint32 fragment_start,
                                      uint32 fragment_end);

  [Sync]
  ReadRtf(ClipboardBuffer buffer) => (string result);

  [Sync]
  ReadImage(ClipboardBuffer buffer) => (skia.mojom.Bitmap? image);

  [Sync]
  ReadCustomData(ClipboardBuffer buffer, mojo_base.mojom.String16 type) =>
      (mojo_base.mojom.BigString16 result);

  // Writing to the clipboard via IPC is a two-phase operation. First, the
  // sender sends the different types of data it'd like to write to the
  // receiver. Then, it sends a commit message to commit the data to the system
  // clipboard.
  // TODO(dcheng): Remove |buffer| parameters from Write* functions.
  WriteText(ClipboardBuffer buffer, mojo_base.mojom.BigString16 text);

  WriteHtml(ClipboardBuffer buffer,
            mojo_base.mojom.BigString16 markup,
            url.mojom.Url url);

  WriteSmartPasteMarker(ClipboardBuffer buffer);

  WriteCustomData(
      ClipboardBuffer buffer,
      map<mojo_base.mojom.String16, mojo_base.mojom.BigString16> data);

  // TODO(dcheng): The |url| parameter should really be a GURL, but <canvas>'s
  // copy as image tries to set very long data: URLs on the clipboard. Using
  // GURL causes the browser to kill the renderer for sending a bad IPC (GURLs
  // bigger than 2 megabytes are considered to be bad). https://crbug.com/459822
  WriteBookmark(ClipboardBuffer buffer,
                string url,
                mojo_base.mojom.String16 title);

  WriteImage(ClipboardBuffer buffer, skia.mojom.Bitmap image);

  CommitWrite(ClipboardBuffer buffer);

  [EnableIf=is_mac]
  WriteStringToFindPboard(mojo_base.mojom.String16 text);
};