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| 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 }; | |
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