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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <iostream>
#include <memory>
#include <string>
#include "base/at_exit.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "base/message_loop/message_pump_type.h"
#include "base/run_loop.h"
#include "base/strings/string_number_conversions.h"
#include "base/task/single_thread_task_executor.h"
#include "build/build_config.h"
#include "tools/accessibility/inspect/ax_event_server.h"
#include "tools/accessibility/inspect/ax_utils.h"
using ui::AXTreeSelector;
namespace {
constexpr char kHelpSwitch[] = "help";
bool AXDumpEventsLogMessageHandler(int severity,
const char* file,
int line,
size_t message_start,
const std::string& str) {
printf("%s", str.substr(message_start).c_str());
return true;
}
void PrintHelp() {
printf(
"ax_dump_evemts is a tool designed to dump platform accessible events "
"of running applications.\n");
printf("\nusage: ax_dump_events <options>\n");
tools::PrintHelpShared();
}
} // namespace
int main(int argc, char** argv) {
logging::SetLogMessageHandler(AXDumpEventsLogMessageHandler);
base::CommandLine::Init(argc, argv);
const base::CommandLine* command_line =
base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(kHelpSwitch)) {
PrintHelp();
return 0;
}
std::optional<ui::AXInspectScenario> scenario =
tools::ScenarioFromCommandLine(*command_line);
if (!scenario) {
return 1;
}
std::optional<AXTreeSelector> selector =
tools::TreeSelectorFromCommandLine(*command_line);
if (!selector || selector->empty()) {
LOG(ERROR) << "* Error: no application was identified to dump events for. "
"Run with --help for help.";
return 1;
}
base::AtExitManager exit_manager;
base::SingleThreadTaskExecutor main_task_executor(base::MessagePumpType::UI);
// The following code is temporary. The `pid` is set to ZERO for windows
// because `selector->widget` is a HWND for windows, otherwise, it is a PID.
// The window's code uses `selector->widget` to find the application later on.
// A future patch will update mac and linux to use selector->widget and remove
// the `pid` argument.
unsigned int pid = 0;
#if BUILDFLAG(IS_OZONE) || BUILDFLAG(IS_MAC)
pid = selector->widget;
#endif
const auto server =
std::make_unique<tools::AXEventServer>(pid, *selector, *scenario);
base::RunLoop().Run();
return 0;
}
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