09870d97b5
* Use std::forward_list instead of base::LinkedList for better perf, more consistent memory management. Better than std::list because we don't need the double-linked-list behavior of std::list * Use std::unordered_map instead of std::map for the v8 hash table
46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
// Copyright (c) 2020 Slack Technologies, Inc.
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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 SHELL_RENDERER_API_CONTEXT_BRIDGE_OBJECT_CACHE_H_
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#define SHELL_RENDERER_API_CONTEXT_BRIDGE_OBJECT_CACHE_H_
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#include <unordered_map>
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#include <utility>
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#include "base/containers/linked_list.h"
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#include "content/public/renderer/render_frame.h"
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#include "content/public/renderer/render_frame_observer.h"
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#include "shell/renderer/electron_render_frame_observer.h"
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#include "third_party/blink/public/web/web_local_frame.h"
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namespace electron {
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namespace api {
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namespace context_bridge {
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using ObjectCachePair = std::pair<v8::Local<v8::Value>, v8::Local<v8::Value>>;
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class ObjectCache final {
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public:
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ObjectCache();
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~ObjectCache();
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void CacheProxiedObject(v8::Local<v8::Value> from,
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v8::Local<v8::Value> proxy_value);
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v8::MaybeLocal<v8::Value> GetCachedProxiedObject(
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v8::Local<v8::Value> from) const;
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private:
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// object_identity ==> [from_value, proxy_value]
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std::unordered_map<int, std::forward_list<ObjectCachePair>> proxy_map_;
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};
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} // namespace context_bridge
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} // namespace api
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} // namespace electron
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#endif // SHELL_RENDERER_API_CONTEXT_BRIDGE_OBJECT_CACHE_H_
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