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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/first_run/upgrade_util.h"
#include <utility>
#include "base/command_line.h"
#include "base/functional/callback.h"
#include "base/logging.h"
#include "base/memory/ptr_util.h"
#include "build/build_config.h"
#include "content/public/browser/browser_thread.h"
namespace {
#if !BUILDFLAG(IS_MAC)
base::CommandLine* command_line = nullptr;
#endif
// A test seam for whole-browser tests to override browser relaunch.
upgrade_util::RelaunchChromeBrowserCallback*
relaunch_chrome_browser_callback_for_testing = nullptr;
} // namespace
namespace upgrade_util {
// Forward-declaration of the platform-specific implementation.
bool RelaunchChromeBrowserImpl(const base::CommandLine& command_line);
bool RelaunchChromeBrowser(const base::CommandLine& command_line) {
if (relaunch_chrome_browser_callback_for_testing)
return relaunch_chrome_browser_callback_for_testing->Run(command_line);
return RelaunchChromeBrowserImpl(command_line);
}
#if !BUILDFLAG(IS_MAC)
void SetNewCommandLine(std::unique_ptr<base::CommandLine> new_command_line) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
delete command_line;
command_line = new_command_line.release();
}
void RelaunchChromeBrowserWithNewCommandLineIfNeeded() {
if (command_line) {
if (!RelaunchChromeBrowser(*command_line)) {
DLOG(ERROR) << "Launching a new instance of the browser failed.";
} else {
DLOG(WARNING) << "Launched a new instance of the browser.";
}
delete command_line;
command_line = nullptr;
}
}
#endif // !BUILDFLAG(IS_MAC)
RelaunchChromeBrowserCallback SetRelaunchChromeBrowserCallbackForTesting(
RelaunchChromeBrowserCallback callback) {
// Take ownership of the current test callback so it can be returned.
RelaunchChromeBrowserCallback previous =
relaunch_chrome_browser_callback_for_testing
? std::move(*relaunch_chrome_browser_callback_for_testing)
: RelaunchChromeBrowserCallback();
// Move the caller's callback into the global, alloc'ing or freeing as needed.
auto memory = base::WrapUnique(relaunch_chrome_browser_callback_for_testing);
if (callback) {
if (!memory)
memory = std::make_unique<RelaunchChromeBrowserCallback>();
*memory = std::move(callback);
} else if (memory) {
memory.reset();
}
relaunch_chrome_browser_callback_for_testing = memory.release();
// Return the previous callback.
return previous;
}
} // namespace upgrade_util
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