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// Copyright 2012 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/continue_window.h"
#include <windows.h>
#include <memory>
#include "base/compiler_specific.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/location.h"
#include "base/logging.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/single_thread_task_runner.h"
#include "base/win/current_module.h"
#include "remoting/host/win/core_resource.h"
namespace remoting {
namespace {
class ContinueWindowWin : public ContinueWindow {
public:
ContinueWindowWin();
ContinueWindowWin(const ContinueWindowWin&) = delete;
ContinueWindowWin& operator=(const ContinueWindowWin&) = delete;
~ContinueWindowWin() override;
protected:
// ContinueWindow overrides.
void ShowUi() override;
void HideUi() override;
private:
static BOOL CALLBACK DialogProc(HWND hwmd,
UINT msg,
WPARAM wParam,
LPARAM lParam);
BOOL OnDialogMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
void EndDialog();
HWND hwnd_;
};
ContinueWindowWin::ContinueWindowWin() : hwnd_(nullptr) {}
ContinueWindowWin::~ContinueWindowWin() {
EndDialog();
}
void ContinueWindowWin::ShowUi() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(!hwnd_);
hwnd_ = CreateDialogParam(CURRENT_MODULE(), MAKEINTRESOURCE(IDD_CONTINUE),
nullptr, (DLGPROC)DialogProc, (LPARAM)this);
if (!hwnd_) {
LOG(ERROR) << "Unable to create Disconnect dialog for remoting.";
return;
}
ShowWindow(hwnd_, SW_SHOW);
}
void ContinueWindowWin::HideUi() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
EndDialog();
}
BOOL CALLBACK ContinueWindowWin::DialogProc(HWND hwnd,
UINT msg,
WPARAM wParam,
LPARAM lParam) {
ContinueWindowWin* win = nullptr;
if (msg == WM_INITDIALOG) {
win = reinterpret_cast<ContinueWindowWin*>(lParam);
CHECK(win);
SetWindowLongPtr(hwnd, DWLP_USER, (LONG_PTR)win);
} else {
LONG_PTR lp = GetWindowLongPtr(hwnd, DWLP_USER);
win = reinterpret_cast<ContinueWindowWin*>(lp);
}
if (win == nullptr) {
return FALSE;
}
return win->OnDialogMessage(hwnd, msg, wParam, lParam);
}
BOOL ContinueWindowWin::OnDialogMessage(HWND hwnd,
UINT msg,
WPARAM wParam,
LPARAM lParam) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
switch (msg) {
case WM_CLOSE:
// Ignore close messages.
return TRUE;
case WM_DESTROY:
// Ensure we don't try to use the HWND anymore.
hwnd_ = nullptr;
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDC_CONTINUE_DEFAULT:
ContinueSession();
::EndDialog(hwnd, LOWORD(wParam));
hwnd_ = nullptr;
return TRUE;
case IDC_CONTINUE_CANCEL:
DisconnectSession();
::EndDialog(hwnd, LOWORD(wParam));
hwnd_ = nullptr;
return TRUE;
}
}
return FALSE;
}
void ContinueWindowWin::EndDialog() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (hwnd_) {
::DestroyWindow(hwnd_);
hwnd_ = nullptr;
}
}
} // namespace
// static
std::unique_ptr<HostWindow> HostWindow::CreateContinueWindow() {
return std::make_unique<ContinueWindowWin>();
}
} // namespace remoting
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