// Copyright 2016 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 arc.mojom;

// |ClipData| contains one or more |ClipRepresentation| objects. Each
// |ClipRepresentation| has a |mime_type| and a |ClipValue|. |ClipValue| is
// either a |blob| or a |text|.

// Value for |ClipRepresentation|.
// Next MinVersion: 1
// Next ID: 2
union ClipValue {
  // For images and other opaque structures.
  array<uint8> blob@0;
  // For html, text and other text-based representations.
  string text@1;
};

// One possible representation of the |ClipData|: |mime_type| + its |value|.
// Next MinVersion: 1
// Next ID: 2
struct ClipRepresentation {
  // The mime type.
  string mime_type@0;
  // And its value.
  ClipValue value@1;
};

// The |ClipData| to transfer.
// Next MinVersion: 1
// Next ID: 1
struct ClipData {
  // A |ClipData| could have multiple representations.
  // Example: an image could be represented by an image/png and a text/html
  array<ClipRepresentation> representations@0;
};

// Next MinVersion: 2
// Next method ID: 4
// IDs to be removed 18 weeks after being up revved: 0, 1
interface ClipboardHost {
  // Tells the host to change its content, usually when the user initiates
  // a 'copy' action.
  SetTextContentDeprecated@0(string text);

  // Tells the host to return its content, usually when the user initiates
  // a 'paste' action or when the instance needs to re-sync its clipboard
  // content with the host.
  GetTextContentDeprecated@1();

  // Tells the host to update its clipboard content, usually when the user
  // initiates a 'copy' action.
  [MinVersion=1] SetClipContent@2(ClipData data);

  // Tells the host to return its clipboard content, usually when the user
  // initiates a 'paste' action or when the instance needs to re-sync its
  // clipboard content with the host.
  [MinVersion=1] GetClipContent@3() => (ClipData data);
};

// Next MinVersion: 2
// Next method ID: 3
// IDs to be removed 18 weeks after being up revved: 1
interface ClipboardInstance {
  // Establishes full-duplex communication with the host.
  Init@0(ClipboardHost host_ptr);

  // Passes the result of ClipboardHost.GetTextContentDeprecated().
  OnGetTextContentDeprecated@1(string returned_text);

  // Tells that the Host clipboard has been updated.
  [MinVersion=1] OnHostClipboardUpdated@2();
};