react-native/ReactCommon/jsinspector/InspectorInterfaces.cpp

102 lines
2.6 KiB
C++

/**
* Copyright (c) 2016-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#include "InspectorInterfaces.h"
#include <mutex>
#include <unordered_map>
namespace facebook {
namespace react {
// pure destructors in C++ are odd. You would think they don't want an
// implementation, but in fact the linker requires one. Define them to be
// empty so that people don't count on them for any particular behaviour.
IDestructible::~IDestructible() { }
ILocalConnection::~ILocalConnection() { }
IRemoteConnection::~IRemoteConnection() { }
namespace {
class InspectorImpl : public IInspector {
public:
int addPage(const std::string& title, ConnectFunc connectFunc) override;
void removePage(int pageId) override;
std::vector<InspectorPage> getPages() const override;
std::unique_ptr<ILocalConnection> connect(
int pageId,
std::unique_ptr<IRemoteConnection> remote) override;
private:
mutable std::mutex mutex_;
int nextPageId_{1};
std::unordered_map<int, std::string> titles_;
std::unordered_map<int, ConnectFunc> connectFuncs_;
};
int InspectorImpl::addPage(const std::string& title, ConnectFunc connectFunc) {
std::lock_guard<std::mutex> lock(mutex_);
int pageId = nextPageId_++;
titles_[pageId] = title;
connectFuncs_[pageId] = std::move(connectFunc);
return pageId;
}
void InspectorImpl::removePage(int pageId) {
std::lock_guard<std::mutex> lock(mutex_);
titles_.erase(pageId);
connectFuncs_.erase(pageId);
}
std::vector<InspectorPage> InspectorImpl::getPages() const {
std::lock_guard<std::mutex> lock(mutex_);
std::vector<InspectorPage> inspectorPages;
for (auto& it : titles_) {
inspectorPages.push_back(InspectorPage{it.first, it.second});
}
return inspectorPages;
}
std::unique_ptr<ILocalConnection> InspectorImpl::connect(
int pageId,
std::unique_ptr<IRemoteConnection> remote) {
IInspector::ConnectFunc connectFunc;
{
std::lock_guard<std::mutex> lock(mutex_);
auto it = connectFuncs_.find(pageId);
if (it != connectFuncs_.end()) {
connectFunc = it->second;
}
}
return connectFunc ? connectFunc(std::move(remote)) : nullptr;
}
} // namespace
IInspector& getInspectorInstance() {
static InspectorImpl instance;
return instance;
}
std::unique_ptr<IInspector> makeTestInspectorInstance() {
return std::make_unique<InspectorImpl>();
}
} // namespace react
} // namespace facebook