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#include "ANRManager.hpp"
#include "../helpers/fs/FsUtils.hpp"
#include "../debug/Log.hpp"
#include "../macros.hpp"
#include "HookSystemManager.hpp"
#include "../Compositor.hpp"
#include "../protocols/XDGShell.hpp"
#include "./eventLoop/EventLoopManager.hpp"
#include "../config/ConfigValue.hpp"
using namespace Hyprutils::OS;
static constexpr auto TIMER_TIMEOUT = std::chrono::milliseconds(1500);
CANRManager::CANRManager() {
if (!NFsUtils::executableExistsInPath("hyprland-dialog")) {
Debug::log(ERR, "hyprland-dialog missing from PATH, cannot start ANRManager");
return;
}
m_timer = makeShared<CEventLoopTimer>(TIMER_TIMEOUT, [this](SP<CEventLoopTimer> self, void* data) { onTick(); }, this);
g_pEventLoopManager->addTimer(m_timer);
m_active = true;
static auto P = g_pHookSystem->hookDynamic("openWindow", [this](void* self, SCallbackInfo& info, std::any data) {
auto window = std::any_cast<PHLWINDOW>(data);
if (window->m_bIsX11)
return;
for (const auto& w : g_pCompositor->m_vWindows) {
if (w->m_bIsX11 || w == window || !w->m_pXDGSurface)
continue;
if (w->m_pXDGSurface->owner == window->m_pXDGSurface->owner)
return;
}
m_data[window->m_pXDGSurface->owner] = makeShared<SANRData>();
});
m_timer->updateTimeout(TIMER_TIMEOUT);
}
void CANRManager::onTick() {
std::erase_if(m_data, [](const auto& e) { return e.first.expired(); });
static auto PENABLEANR = CConfigValue<Hyprlang::INT>("misc:enable_anr_dialog");
if (!*PENABLEANR) {
m_timer->updateTimeout(TIMER_TIMEOUT * 10);
return;
}
for (auto& [wmBase, data] : m_data) {
PHLWINDOW firstWindow;
int count = 0;
for (const auto& w : g_pCompositor->m_vWindows) {
if (!w->m_bIsMapped || w->m_bIsX11 || !w->m_pXDGSurface)
continue;
if (w->m_pXDGSurface->owner != wmBase)
continue;
count++;
if (!firstWindow)
firstWindow = w;
}
if (count == 0)
continue;
if (data->missedResponses > 0) {
if (!data->isThreadRunning() && !data->dialogThreadSaidWait) {
pid_t pid = 0;
wl_client_get_credentials(wmBase->client(), &pid, nullptr, nullptr);
data->runDialog("Application Not Responding", firstWindow->m_szTitle, firstWindow->m_szClass, pid);
for (const auto& w : g_pCompositor->m_vWindows) {
if (!w->m_bIsMapped || w->m_bIsX11 || !w->m_pXDGSurface)
continue;
if (w->m_pXDGSurface->owner != wmBase)
continue;
*w->m_notRespondingTint = 0.2F;
}
}
} else if (data->isThreadRunning())
data->killDialog();
if (data->missedResponses == 0)
data->dialogThreadSaidWait = false;
data->missedResponses++;
wmBase->ping();
}
m_timer->updateTimeout(TIMER_TIMEOUT);
}
void CANRManager::onResponse(SP<CXDGWMBase> wmBase) {
if (!m_data.contains(wmBase))
return;
auto& data = m_data.at(wmBase);
data->missedResponses = 0;
if (data->isThreadRunning())
data->killDialog();
}
void CANRManager::SANRData::runDialog(const std::string& title, const std::string& appName, const std::string appClass, pid_t dialogWmPID) {
if (!dialogThreadExited)
killDialog();
// dangerous: might lock if the above failed!!
if (dialogThread.joinable())
dialogThread.join();
dialogThreadExited = false;
dialogThreadSaidWait = false;
dialogThread = std::thread([title, appName, appClass, dialogWmPID, this]() {
SP<CProcess> proc =
makeShared<CProcess>("hyprland-dialog",
std::vector<std::string>{"--title", title, "--text",
std::format("Application {} with class of {} is not responding.\nWhat do you want to do with it?", appName, appClass),
"--buttons", "Terminate;Wait"});
dialogProc = proc;
proc->runSync();
dialogThreadExited = true;
if (proc->stdOut().empty())
return;
if (proc->stdOut().starts_with("Terminate"))
kill(dialogWmPID, SIGKILL);
if (proc->stdOut().starts_with("Wait"))
dialogThreadSaidWait = true;
});
}
bool CANRManager::SANRData::isThreadRunning() {
if (dialogThread.native_handle() == 0)
return false;
if (dialogThreadExited)
return false;
return pthread_kill(dialogThread.native_handle(), 0) != ESRCH;
}
void CANRManager::SANRData::killDialog() const {
if (!dialogProc)
return;
kill(dialogProc->pid(), SIGKILL);
}
CANRManager::SANRData::~SANRData() {
if (dialogThread.joinable()) {
killDialog();
// dangerous: might lock if the above failed!!
dialogThread.join();
}
}
bool CANRManager::isNotResponding(SP<CXDGWMBase> wmBase) {
if (!m_data.contains(wmBase))
return false;
return m_data[wmBase]->missedResponses > 1;
}
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