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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/host/it2me/it2me_confirmation_dialog_proxy.h"
#include <memory>
#include <utility>
#include "base/functional/bind.h"
#include "base/location.h"
#include "base/task/single_thread_task_runner.h"
namespace remoting {
class It2MeConfirmationDialogProxy::Core {
public:
Core(scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
base::WeakPtr<It2MeConfirmationDialogProxy> parent,
std::unique_ptr<It2MeConfirmationDialog> dialog);
Core(const Core&) = delete;
Core& operator=(const Core&) = delete;
~Core();
// Shows the wrapped dialog. Must be called on the UI thread.
void Show(const std::string& remote_user_email);
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner() {
return ui_task_runner_;
}
scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner() {
return caller_task_runner_;
}
private:
// Reports the dialog result on the caller's thread.
void ReportResult(It2MeConfirmationDialog::Result result);
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner_;
base::WeakPtr<It2MeConfirmationDialogProxy> parent_;
std::unique_ptr<It2MeConfirmationDialog> dialog_;
};
It2MeConfirmationDialogProxy::Core::Core(
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
scoped_refptr<base::SingleThreadTaskRunner> caller_task_runner,
base::WeakPtr<It2MeConfirmationDialogProxy> parent,
std::unique_ptr<It2MeConfirmationDialog> dialog)
: ui_task_runner_(ui_task_runner),
caller_task_runner_(caller_task_runner),
parent_(parent),
dialog_(std::move(dialog)) {}
It2MeConfirmationDialogProxy::Core::~Core() {
DCHECK(ui_task_runner_->BelongsToCurrentThread());
}
void It2MeConfirmationDialogProxy::Core::Show(
const std::string& remote_user_email) {
DCHECK(ui_task_runner_->BelongsToCurrentThread());
dialog_->Show(
remote_user_email,
base::BindOnce(&It2MeConfirmationDialogProxy::Core::ReportResult,
base::Unretained(this)));
}
void It2MeConfirmationDialogProxy::Core::ReportResult(
It2MeConfirmationDialog::Result result) {
DCHECK(ui_task_runner_->BelongsToCurrentThread());
caller_task_runner_->PostTask(
FROM_HERE, base::BindOnce(&It2MeConfirmationDialogProxy::ReportResult,
parent_, result));
}
It2MeConfirmationDialogProxy::It2MeConfirmationDialogProxy(
scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
std::unique_ptr<It2MeConfirmationDialog> dialog) {
core_ = std::make_unique<Core>(
ui_task_runner, base::SingleThreadTaskRunner::GetCurrentDefault(),
weak_factory_.GetWeakPtr(), std::move(dialog));
}
It2MeConfirmationDialogProxy::~It2MeConfirmationDialogProxy() {
DCHECK(core_->caller_task_runner()->BelongsToCurrentThread());
auto ui_task_runner = core_->ui_task_runner();
ui_task_runner->DeleteSoon(FROM_HERE, core_.release());
}
void It2MeConfirmationDialogProxy::Show(
const std::string& remote_user_email,
It2MeConfirmationDialog::ResultCallback callback) {
DCHECK(core_->caller_task_runner()->BelongsToCurrentThread());
callback_ = std::move(callback);
core_->ui_task_runner()->PostTask(
FROM_HERE, base::BindOnce(&Core::Show, base::Unretained(core_.get()),
remote_user_email));
}
void It2MeConfirmationDialogProxy::ReportResult(
It2MeConfirmationDialog::Result result) {
DCHECK(core_->caller_task_runner()->BelongsToCurrentThread());
std::move(callback_).Run(result);
}
} // namespace remoting
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