54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
// Copyright (c) 2013 GitHub, Inc. All rights reserved.
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// Copyright (c) 2012 Intel Corp. All rights reserved.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef ATOM_COMMON_API_ATOM_API_ID_WEAK_MAP_H_
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#define ATOM_COMMON_API_ATOM_API_ID_WEAK_MAP_H_
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#include <map>
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#include <vector>
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#include "base/basictypes.h"
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#include "native_mate/scoped_persistent.h"
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#include "native_mate/wrappable.h"
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namespace atom {
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namespace api {
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// Like ES6's WeakMap, but the key is Integer and the value is Weak Pointer.
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class IDWeakMap : public mate::Wrappable {
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public:
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IDWeakMap();
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static void BuildPrototype(v8::Isolate* isolate,
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v8::Handle<v8::ObjectTemplate> prototype);
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private:
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virtual ~IDWeakMap();
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int32_t Add(v8::Isolate* isolate, v8::Handle<v8::Object> object);
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v8::Handle<v8::Value> Get(v8::Isolate* isolate, int32_t key);
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bool Has(int32_t key) const;
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std::vector<int32_t> Keys() const;
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void Remove(int32_t key);
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int GetNextID();
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static void WeakCallback(
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const v8::WeakCallbackData<v8::Object, IDWeakMap>& data);
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int32_t next_id_;
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typedef scoped_refptr<mate::RefCountedPersistent<v8::Object> >
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RefCountedV8Object;
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std::map<int32_t, RefCountedV8Object> map_;
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DISALLOW_COPY_AND_ASSIGN(IDWeakMap);
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};
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} // namespace api
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} // namespace atom
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#endif // ATOM_COMMON_API_ATOM_API_ID_WEAK_MAP_H_
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