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// Copyright 2019 The Chromium 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 "cast/standalone_receiver/sdl_glue.h"
#include <utility>
#include "platform/api/task_runner.h"
#include "platform/api/time.h"
#include "util/osp_logging.h"
namespace openscreen {
namespace cast {
SDLEventLoopProcessor::SDLEventLoopProcessor(
TaskRunner* task_runner,
std::function<void()> quit_callback)
: alarm_(&Clock::now, task_runner),
quit_callback_(std::move(quit_callback)) {
alarm_.Schedule([this] { ProcessPendingEvents(); }, Alarm::kImmediately);
}
SDLEventLoopProcessor::~SDLEventLoopProcessor() = default;
void SDLEventLoopProcessor::RegisterForKeyboardEvent(
SDLEventLoopProcessor::KeyboardEventCallback cb) {
keyboard_callbacks_.push_back(std::move(cb));
}
void SDLEventLoopProcessor::ProcessPendingEvents() {
// Process all pending events.
SDL_Event event;
while (SDL_PollEvent(&event)) {
if (event.type == SDL_QUIT) {
OSP_VLOG << "SDL_QUIT received, invoking quit callback...";
if (quit_callback_) {
quit_callback_();
}
} else if (event.type == SDL_KEYUP) {
for (auto& cb : keyboard_callbacks_) {
cb(event.key);
}
}
}
// Schedule a task to come back and process more pending events.
constexpr auto kEventPollPeriod = std::chrono::milliseconds(10);
alarm_.ScheduleFromNow([this] { ProcessPendingEvents(); }, kEventPollPeriod);
}
} // namespace cast
} // namespace openscreen
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