1 /* Copyright (c) 2012 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 6 /** 7 * This file defines the <code>PPB_ResourceArray_Dev</code> interface. 8 */ 9 10 [generate_thunk] 11 12 label Chrome { 13 M18 = 0.1 14 }; 15 16 /** 17 * A resource array holds a list of resources and retains a reference to each of 18 * them. 19 */ 20 interface PPB_ResourceArray_Dev { 21 /** 22 * Creates a resource array. 23 * Note: It will add a reference to each of the elements. 24 * 25 * @param[in] elements <code>PP_Resource</code>s to be stored in the created 26 * resource array. 27 * @param[in] size The number of elements. 28 * 29 * @return A <code>PP_Resource</code> corresponding to a resource array if 30 * successful; 0 if failed. 31 */ 32 PP_Resource Create([in] PP_Instance instance, 33 [in, size_as=size] PP_Resource[] elements, 34 [in] uint32_t size); 35 36 /** 37 * Determines if the provided resource is a resource array. 38 * 39 * @param[in] resource A <code>PP_Resource</code> corresponding to a generic 40 * resource. 41 * 42 * @return A <code>PP_Bool</code> that is <code>PP_TRUE</code> if the given 43 * resource is a resource array, otherwise <code>PP_FALSE</code>. 44 */ 45 PP_Bool IsResourceArray([in] PP_Resource resource); 46 47 /** 48 * Gets the array size. 49 * 50 * @param[in] resource_array The resource array. 51 * 52 * @return How many elements are there in the array. 53 */ 54 uint32_t GetSize([in] PP_Resource resource_array); 55 56 /** 57 * Gets the element at the specified position. 58 * Note: It doesn't add a reference to the returned resource for the caller. 59 * 60 * @param[in] resource_array The resource array. 61 * @param[in] index An integer indicating a position in the array. 62 * 63 * @return A <code>PP_Resource</code>. Returns 0 if the index is out of range. 64 */ 65 PP_Resource GetAt( 66 [in] PP_Resource resource_array, 67 [in] uint32_t index); 68 }; 69