2563681583
* fix: disable contextBridge object identity caching * cleanup * chore: make non-const references raw pointers * fix: zero-param constructors are not explicit * refactor: use base::LinkedList Co-authored-by: Jeremy Apthorp <nornagon@nornagon.net>
65 lines
1.8 KiB
C++
65 lines
1.8 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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#include "shell/renderer/api/context_bridge/object_cache.h"
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#include <utility>
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#include "shell/common/api/remote/object_life_monitor.h"
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namespace electron {
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namespace api {
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namespace context_bridge {
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ObjectCachePairNode::ObjectCachePairNode(ObjectCachePair&& pair) {
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this->pair = std::move(pair);
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}
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ObjectCachePairNode::~ObjectCachePairNode() = default;
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ObjectCache::ObjectCache() {}
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ObjectCache::~ObjectCache() = default;
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void ObjectCache::CacheProxiedObject(v8::Local<v8::Value> from,
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v8::Local<v8::Value> proxy_value) {
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if (from->IsObject() && !from->IsNullOrUndefined()) {
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auto obj = v8::Local<v8::Object>::Cast(from);
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int hash = obj->GetIdentityHash();
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auto* node = new ObjectCachePairNode(std::make_pair(from, proxy_value));
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proxy_map_[hash].Append(node);
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}
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}
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v8::MaybeLocal<v8::Value> ObjectCache::GetCachedProxiedObject(
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v8::Local<v8::Value> from) const {
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if (!from->IsObject() || from->IsNullOrUndefined())
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return v8::MaybeLocal<v8::Value>();
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auto obj = v8::Local<v8::Object>::Cast(from);
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int hash = obj->GetIdentityHash();
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auto iter = proxy_map_.find(hash);
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if (iter == proxy_map_.end())
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return v8::MaybeLocal<v8::Value>();
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auto& list = iter->second;
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for (auto* node = list.head(); node != list.end(); node = node->next()) {
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auto& pair = node->value()->pair;
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auto from_cmp = pair.first;
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if (from_cmp == from) {
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if (pair.second.IsEmpty())
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return v8::MaybeLocal<v8::Value>();
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return pair.second;
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}
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}
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return v8::MaybeLocal<v8::Value>();
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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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