Introduce PPB_ResourceArray_Dev.

ppapi/shared_impl/ppb_resource_array_shared.h

+// 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.
+
+#ifndef PPAPI_SHARED_IMPL_PPB_RESOURCE_ARRAY_SHARED_H_
+#define PPAPI_SHARED_IMPL_PPB_RESOURCE_ARRAY_SHARED_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "ppapi/shared_impl/resource.h"
+#include "ppapi/thunk/ppb_resource_array_api.h"
+
+namespace ppapi {
+
+class PPAPI_SHARED_EXPORT PPB_ResourceArray_Shared
+    : public Resource,
+      public thunk::PPB_ResourceArray_API {
+ public:
+  struct InitAsImpl {};
+  struct InitAsProxy {};
+
+  // The dummy arguments control which version of Resource's constructor is
+  // called for this base class.
+  PPB_ResourceArray_Shared(const InitAsImpl&,
+                           PP_Instance instance,
+                           const PP_Resource elements[],
+                           uint32_t size);
+  PPB_ResourceArray_Shared(const InitAsProxy&,
+                           PP_Instance instance,
+                           const PP_Resource elements[],
+                           uint32_t size);
+
+  virtual ~PPB_ResourceArray_Shared();
+
+  // Resource overrides.
+  virtual PPB_ResourceArray_API* AsPPB_ResourceArray_API() OVERRIDE;
+
+  // PPB_ResourceArray_API implementation.
+  virtual uint32_t GetSize() OVERRIDE;
+  virtual PP_Resource GetAt(uint32_t index) OVERRIDE;
+
+ private:
+  void Initialize(const PP_Resource elements[], uint32_t size);
+
+  PP_Resource* elements_;

[brettw, 2012/01/05 22:32:28]

Why not just use a std::vector<PP_Resource> here to manage both the array and
size?

[yzshen1, 2012/01/06 18:20:11]

Done.

I used a raw buffer because the contents/size of the array would never change.
But using std::vector looks nicer. Thanks!

On 2012/01/05 22:32:28, brettw wrote:

+  uint32_t size_;
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(PPB_ResourceArray_Shared);
+};
+
+}  // namespace ppapi
+
+#endif  // PPAPI_SHARED_IMPL_PPB_RESOURCE_ARRAY_SHARED_H_