verdnatura-chat/ios/Pods/Flipper/xplat/Flipper/FlipperState.cpp

109 lines
3.1 KiB
C++

/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include "FlipperState.h"
#include <vector>
#include "FlipperStateUpdateListener.h"
#include "FlipperStep.h"
#if FLIPPER_DEBUG_LOG
#include "Log.h"
#endif
using namespace facebook::flipper;
/* Class responsible for collecting state updates and combining them into a
* view of the current state of the flipper client. */
FlipperState::FlipperState() : logs("") {}
void FlipperState::setUpdateListener(
std::shared_ptr<FlipperStateUpdateListener> listener) {
std::lock_guard<std::mutex> lock(mutex);
mListener = listener;
}
void FlipperState::started(std::string step) {
std::shared_ptr<FlipperStateUpdateListener> localListener;
{
std::lock_guard<std::mutex> lock(mutex);
#if FLIPPER_DEBUG_LOG
log("[started] " + step);
#endif
if (stateMap.find(step) == stateMap.end()) {
insertOrder.push_back(step);
}
stateMap[step] = State::in_progress;
localListener = mListener;
}
// Need to drop the lock before issuing callback because the caller
// might call us back (and is responsible for their own locking).
if (localListener) {
localListener->onUpdate();
}
}
void FlipperState::success(std::string step) {
std::shared_ptr<FlipperStateUpdateListener> localListener;
{
std::lock_guard<std::mutex> lock(mutex);
#if FLIPPER_DEBUG_LOG
log("[finished] " + step);
#endif
logs = logs + "[Success] " + step + "\n";
stateMap[step] = State::success;
localListener = mListener;
}
// Need to drop the lock before issuing callback because the caller
// might call us back (and is responsible for their own locking).
if (localListener) {
localListener->onUpdate();
}
}
void FlipperState::failed(std::string step, std::string errorMessage) {
std::shared_ptr<FlipperStateUpdateListener> localListener;
{
std::lock_guard<std::mutex> lock(mutex);
std::string message = "[Failed] " + step + ": " + errorMessage;
#if FLIPPER_DEBUG_LOG
log(message);
#endif
logs = logs + message + "\n";
stateMap[step] = State::failed;
localListener = mListener;
}
// Need to drop the lock before issuing callback because the caller
// might call us back (and is responsible for their own locking).
if (localListener) {
localListener->onUpdate();
}
}
// TODO: Currently returns string, but should really provide a better
// representation of the current state so the UI can show it in a more intuitive
// way
std::string FlipperState::getState() {
std::lock_guard<std::mutex> lock(mutex);
return logs;
}
std::vector<StateElement> FlipperState::getStateElements() {
std::lock_guard<std::mutex> lock(mutex);
std::vector<StateElement> v;
for (auto stepName : insertOrder) {
v.push_back(StateElement(stepName, stateMap[stepName]));
}
return v;
}
std::shared_ptr<FlipperStep> FlipperState::start(std::string step_name) {
// started() acquires the lock and we don't access any of our members below,
// so we needn't take the lock.
started(step_name);
return std::make_shared<FlipperStep>(step_name, this);
}