display_manager.cc

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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#include "flutter/shell/common/display_manager.h"
 
#include "flutter/fml/logging.h"
#include "flutter/fml/macros.h"
 
namespace flutter {
 
DisplayManager::DisplayManager() = default;
 
DisplayManager::~DisplayManager() = default;
 
double DisplayManager::GetMainDisplayRefreshRate() const {
  std::scoped_lock lock(displays_mutex_);
  if (displays_.empty()) {
    return kUnknownDisplayRefreshRate;
  } else {
    return displays_[0]->GetRefreshRate();
  }
}
 
void DisplayManager::HandleDisplayUpdates(
    std::vector<std::unique_ptr<Display>> displays) {
  FML_DCHECK(!displays.empty());
  std::scoped_lock lock(displays_mutex_);
  displays_ = std::move(displays);
}
 
}  // namespace flutter