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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 #include "ppapi/shared_impl/ppb_resource_array_shared.h"
6 
7 #include "base/logging.h"
8 #include "ppapi/shared_impl/ppapi_globals.h"
9 #include "ppapi/shared_impl/resource_tracker.h"
10 
11 using ppapi::thunk::PPB_ResourceArray_API;
12 
13 namespace ppapi {
14 
PPB_ResourceArray_Shared(ResourceObjectType type,PP_Instance instance,const PP_Resource elements[],uint32_t size)15 PPB_ResourceArray_Shared::PPB_ResourceArray_Shared(ResourceObjectType type,
16                                                    PP_Instance instance,
17                                                    const PP_Resource elements[],
18                                                    uint32_t size)
19     : Resource(type, instance) {
20   DCHECK(resources_.empty());
21 
22   resources_.reserve(size);
23   for (uint32_t index = 0; index < size; ++index) {
24     PP_Resource element = elements[index];
25     if (element)
26       PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(element);
27     resources_.push_back(element);
28   }
29 }
30 
~PPB_ResourceArray_Shared()31 PPB_ResourceArray_Shared::~PPB_ResourceArray_Shared() {
32   for (std::vector<PP_Resource>::iterator iter = resources_.begin();
33        iter != resources_.end(); ++iter) {
34     if (*iter)
35       PpapiGlobals::Get()->GetResourceTracker()->ReleaseResource(*iter);
36   }
37 }
38 
AsPPB_ResourceArray_API()39 PPB_ResourceArray_API* PPB_ResourceArray_Shared::AsPPB_ResourceArray_API() {
40   return this;
41 }
42 
GetSize()43 uint32_t PPB_ResourceArray_Shared::GetSize() {
44   return static_cast<uint32_t>(resources_.size());
45 }
46 
GetAt(uint32_t index)47 PP_Resource PPB_ResourceArray_Shared::GetAt(uint32_t index) {
48   return index < resources_.size() ? resources_[index] : 0;
49 }
50 
51 }  // namespace ppapi
52