1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 module mojo { 6 7 // A wrapper type which is just a Key/Value pair. Workaround until we get 8 // proper maps in mojom. 9 struct MimeTypePair { 10 string mime_type; 11 uint8[] data; 12 }; 13 14 interface Clipboard { 15 enum Type { 16 COPY_PASTE = 0, 17 SELECTION = 1, 18 DRAG = 2 19 }; 20 21 // Mime type constants 22 const string MIME_TYPE_TEXT = "text/plain"; 23 const string MIME_TYPE_HTML = "text/html"; 24 const string MIME_TYPE_URL = "text/url"; 25 26 // Returns a sequence number which uniquely identifies clipboard state. 27 // Clients are able to assume that the clipboard contents are unchanged as 28 // long as this number has not changed. This number is monotonically 29 // increasing, is increased when the clipboard state changes, and is 30 // provided by Windows, Linux, and Mac. 31 GetSequenceNumber(Type clipboard_type) => (uint64 sequence); 32 33 // Returns the available mime types. (Note: the chrome interface has a 34 // |contains_filenames| parameter here, but it appears to always be set 35 // to false.) 36 GetAvailableMimeTypes(Type clipboard_types) => (string[] types); 37 38 // Returns the data associated with a Mime type, returning NULL if that data 39 // doesn't exist. Note: because of the inherit raciness of clipboard access, 40 // this may return NULL even if you just verified that it exists with 41 // GetAvailableFormatMimeTypes(). We don't want to provide one API to return 42 // the entire clipboard state because the combined size of the clipboard can 43 // be megabytes, especially when image data is involved. 44 ReadMimeType(Type clipboard_type, string mime_type) => (uint8[]? data); 45 46 // Writes a set of mime types to the clipboard. This will increment the 47 // sequence number. In the case of an empty or NULL list, this will just 48 // clear the clipboard. 49 WriteClipboardData(Type clipboard_type, MimeTypePair[]? data); 50 }; 51 52 } // module mojo 53
