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 #include "ppapi/cpp/dev/resource_array_dev.h" 6 7 #include "ppapi/c/dev/ppb_resource_array_dev.h" 8 #include "ppapi/c/pp_errors.h" 9 #include "ppapi/cpp/instance_handle.h" 10 #include "ppapi/cpp/logging.h" 11 #include "ppapi/cpp/module.h" 12 #include "ppapi/cpp/module_impl.h" 13 14 namespace pp { 15 16 namespace { 17 18 template <> const char* interface_name<PPB_ResourceArray_Dev>() { 19 return PPB_RESOURCEARRAY_DEV_INTERFACE; 20 } 21 22 } // namespace 23 24 ResourceArray_Dev::ResourceArray_Dev() { 25 } 26 27 ResourceArray_Dev::ResourceArray_Dev(PassRef, PP_Resource resource) 28 : Resource(PASS_REF, resource) { 29 } 30 31 ResourceArray_Dev::ResourceArray_Dev(const ResourceArray_Dev& other) 32 : Resource(other) { 33 } 34 35 ResourceArray_Dev::ResourceArray_Dev(const InstanceHandle& instance, 36 const PP_Resource elements[], 37 uint32_t size) { 38 if (has_interface<PPB_ResourceArray_Dev>()) { 39 PassRefFromConstructor(get_interface<PPB_ResourceArray_Dev>()->Create( 40 instance.pp_instance(), elements, size)); 41 } 42 } 43 44 ResourceArray_Dev::~ResourceArray_Dev() { 45 } 46 47 ResourceArray_Dev& ResourceArray_Dev::operator=( 48 const ResourceArray_Dev& other) { 49 Resource::operator=(other); 50 return *this; 51 } 52 53 uint32_t ResourceArray_Dev::size() const { 54 if (!has_interface<PPB_ResourceArray_Dev>()) 55 return 0; 56 return get_interface<PPB_ResourceArray_Dev>()->GetSize(pp_resource()); 57 } 58 59 PP_Resource ResourceArray_Dev::operator[](uint32_t index) const { 60 if (!has_interface<PPB_ResourceArray_Dev>()) 61 return 0; 62 return get_interface<PPB_ResourceArray_Dev>()->GetAt(pp_resource(), index); 63 } 64 65 // static 66 void ResourceArray_Dev::ArrayOutputCallbackConverter(void* user_data, 67 int32_t result) { 68 ArrayOutputCallbackData* data = 69 static_cast<ArrayOutputCallbackData*>(user_data); 70 71 // data->resource_array_output should remain 0 if the call failed. 72 ResourceArray_Dev resources(PASS_REF, data->resource_array_output); 73 PP_DCHECK(resources.is_null() || result == PP_OK); 74 75 // Need to issue the "GetDataBuffer" even for error cases and when the number 76 // of items is 0. 77 PP_Resource* output_buf = static_cast<PP_Resource*>( 78 data->output.GetDataBuffer( 79 data->output.user_data, resources.is_null() ? 0 : resources.size(), 80 sizeof(PP_Resource))); 81 if (output_buf) { 82 for (uint32_t index = 0; index < resources.size(); ++index) { 83 output_buf[index] = resources[index]; 84 Module::Get()->core()->AddRefResource(output_buf[index]); 85 } 86 } 87 88 PP_RunCompletionCallback(&data->original_callback, result); 89 delete data; 90 } 91 92 } // namespace pp 93