Move flash clipboard to the new proxy and add custom format support

ppapi/api/private/ppb_flash_clipboard.idl

 /* Copyright (c) 2012 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.
  */
 
 /**
  * This file defines the private <code>PPB_Flash_Clipboard</code> API used by
  * Pepper Flash for reading and writing to the clipboard.
  */
 
 label Chrome {
-  M17 = 3.0,
-  M19 = 4.0
+  M19 = 4.0,
+  M24 = 5.0
 };
 
-#inline c
-/**
- * The old version string for this interface, equivalent to version 3.0.
- * TODO(viettrungluu): Remove this when enough time has passed. crbug.com/104184
- */
-#define PPB_FLASH_CLIPBOARD_INTERFACE_3_LEGACY "PPB_Flash_Clipboard;3"
-#endinl
-
 /**
  * This enumeration contains the types of clipboards that can be accessed.
  * These types correspond to clipboard types in WebKit.
  */
 [assert_size(4)]
 enum PP_Flash_Clipboard_Type {
   /** The standard clipboard. */
   PP_FLASH_CLIPBOARD_TYPE_STANDARD = 0,
   /** The selection clipboard (e.g., on Linux). */
   PP_FLASH_CLIPBOARD_TYPE_SELECTION = 1
 };
 
 /**
- * This enumeration contains the supported clipboard data formats.
+ * This enumeration contains the predfined clipboard data formats.
  */
 [assert_size(4)]
 enum PP_Flash_Clipboard_Format {
   /** Indicates an invalid or unsupported clipboard data format. */
   PP_FLASH_CLIPBOARD_FORMAT_INVALID = 0,
   /**
    * Indicates plaintext clipboard data. The format expected/returned is a
    * <code>PP_VARTYPE_STRING</code>.
    */
   PP_FLASH_CLIPBOARD_FORMAT_PLAINTEXT = 1,
   /**
    * Indicates HTML clipboard data. The format expected/returned is a
    * <code>PP_VARTYPE_STRING</code>.
    */
   PP_FLASH_CLIPBOARD_FORMAT_HTML = 2,
   /**
    * Indicates RTF clipboard data. The format expected/returned is a
    * <code>PP_VARTYPE_ARRAY_BUFFER</code>.
    */
   PP_FLASH_CLIPBOARD_FORMAT_RTF = 3
 };
 
 /**
  * The <code>PPB_Flash_Clipboard</code> interface contains pointers to functions
  * used by Pepper Flash to access the clipboard.
  *
  */
 interface PPB_Flash_Clipboard {
   /**
-   * Checks whether a given data format is available from the given clipboard.
-   * Returns true if the given format is available from the given clipboard.
+   * Deprecated in 5.0.
    */
+  [version=4.0, deprecate=5.0]
   PP_Bool IsFormatAvailable(
       [in] PP_Instance instance_id,
       [in] PP_Flash_Clipboard_Type clipboard_type,
       [in] PP_Flash_Clipboard_Format format);
 
   /**
-   * Deprecated in 4.0.
+   * Deprecated in 5.0.
    */
-  [version=3.0, deprecate=4.0]
-  PP_Var ReadPlainText(
-      [in] PP_Instance instance_id,
-      [in] PP_Flash_Clipboard_Type clipboard_type);
+  [version=4.0, deprecate=5.0]
+  PP_Var ReadData([in] PP_Instance instance_id,
+      [in] PP_Flash_Clipboard_Type clipboard_type,
+      [in] PP_Flash_Clipboard_Format format);
 
   /**
-   * Deprecated in 4.0.
+   * Deprecated in 5.0.
    */
-  [version=3.0, deprecate=4.0]
-  int32_t WritePlainText(
+  [version=4.0, deprecate=5.0]
+  int32_t WriteData([in] PP_Instance instance_id,
+      [in] PP_Flash_Clipboard_Type clipboard_type,
+      [in] uint32_t data_item_count,
+      [in, size_is(data_item_count)] PP_Flash_Clipboard_Format[] formats,
+      [in, size_is(data_item_count)] PP_Var[] data_items);
+
+  /**
+   * Registers a custom clipboard format. The format is identified by a
+   * string. An id identifying the format will be returned if the format is
+   * successfully registered, which can be used to read/write data of that
+   * format. If the format has already been registered, the id associated with
+   * that format will be returned. If the format fails to be registered
+   * <code>PP_FLASH_CLIPBOARD_FORMAT_INVALID</code> will be returned.
+   *
+   * All custom data should be read/written as <code>PP_Var</code> array
+   * buffers. The clipboard format is pepper-specific meaning that although the
+   * data will be stored on the system clipboard, it can only be accessed in a
+   * sensible way by using the pepper API. Data stored in custom formats can
+   * be safely shared between different applications that use pepper.
+   */
+  [version=5.0]
+  uint32_t RegisterCustomFormat(
+      [in] PP_Instance instance_id,
+      [in] str_t format_name);
+
+  /**
+   * Checks whether a given data format is available from the given clipboard.
+   * Returns true if the given format is available from the given clipboard.
+   */
+  [version=5.0]
+  PP_Bool IsFormatAvailable(
       [in] PP_Instance instance_id,
       [in] PP_Flash_Clipboard_Type clipboard_type,
-      [in] PP_Var text);
+      [in] uint32_t format);
 
   /**
    * Reads data in the given <code>format</code> from the clipboard. An
    * undefined <code>PP_Var</code> is returned if there is an error in reading
    * the clipboard data and a null <code>PP_Var</code> is returned if there is
    * no data of the specified <code>format</code> to read.
    */
-  [version=4.0]
+  [version=5.0]
   PP_Var ReadData([in] PP_Instance instance_id,
       [in] PP_Flash_Clipboard_Type clipboard_type,
-      [in] PP_Flash_Clipboard_Format format);
+      [in] uint32_t format);
 
   /**
    * Writes the given array of data items to the clipboard. All existing
    * clipboard data in any format is erased before writing this data. Thus,
    * passing an array of size 0 has the effect of clearing the clipboard without
    * writing any data. Each data item in the array should have a different
    * <code>PP_Flash_Clipboard_Format</code>. If multiple data items have the
    * same format, only the last item with that format will be written.
    * If there is an error writing any of the items in the array to the
    * clipboard, none will be written and an error code is returned.
    * The error code will be <code>PP_ERROR_NOSPACE</code> if the value is
    * too large to be written, <code>PP_ERROR_BADARGUMENT</code> if a PP_Var
    * cannot be converted into the format supplied or <code>PP_FAILED</code>
    * if the format is not supported.
    */
-  [version=4.0]
+  [version=5.0]
   int32_t WriteData([in] PP_Instance instance_id,
       [in] PP_Flash_Clipboard_Type clipboard_type,
       [in] uint32_t data_item_count,
-      [in, size_is(data_item_count)] PP_Flash_Clipboard_Format[] formats,
+      [in, size_is(data_item_count)] uint32_t[] formats,
       [in, size_is(data_item_count)] PP_Var[] data_items);
 };