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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/shell/browser/shell_javascript_dialog.h"
#include <windows.h>
#include <utility>
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "content/shell/app/resource.h"
#include "content/shell/browser/shell.h"
#include "content/shell/browser/shell_javascript_dialog_manager.h"
namespace content {
class ShellJavaScriptDialog;
INT_PTR CALLBACK ShellJavaScriptDialog::DialogProc(HWND dialog,
UINT message,
WPARAM wparam,
LPARAM lparam) {
switch (message) {
case WM_INITDIALOG: {
SetWindowLongPtr(dialog, DWLP_USER, static_cast<LONG_PTR>(lparam));
ShellJavaScriptDialog* owner =
reinterpret_cast<ShellJavaScriptDialog*>(lparam);
owner->dialog_win_ = dialog;
SetDlgItemText(dialog, IDC_DIALOGTEXT,
base::as_wcstr(owner->message_text_));
if (owner->dialog_type_ == JAVASCRIPT_DIALOG_TYPE_PROMPT)
SetDlgItemText(dialog, IDC_PROMPTEDIT,
base::as_wcstr(owner->default_prompt_text_));
break;
}
case WM_DESTROY: {
ShellJavaScriptDialog* owner = reinterpret_cast<ShellJavaScriptDialog*>(
GetWindowLongPtr(dialog, DWLP_USER));
if (owner->dialog_win_) {
owner->dialog_win_ = 0;
std::move(owner->callback_).Run(false, std::u16string());
owner->manager_->DialogClosed(owner);
}
break;
}
case WM_COMMAND: {
ShellJavaScriptDialog* owner = reinterpret_cast<ShellJavaScriptDialog*>(
GetWindowLongPtr(dialog, DWLP_USER));
std::wstring user_input;
bool finish = false;
bool result = false;
switch (LOWORD(wparam)) {
case IDOK:
finish = true;
result = true;
if (owner->dialog_type_ == JAVASCRIPT_DIALOG_TYPE_PROMPT) {
int length =
GetWindowTextLength(GetDlgItem(dialog, IDC_PROMPTEDIT)) + 1;
GetDlgItemText(dialog, IDC_PROMPTEDIT,
base::WriteInto(&user_input, length), length);
}
break;
case IDCANCEL:
finish = true;
result = false;
break;
}
if (finish) {
owner->dialog_win_ = 0;
std::move(owner->callback_).Run(result, base::WideToUTF16(user_input));
DestroyWindow(dialog);
owner->manager_->DialogClosed(owner);
}
break;
}
default:
return DefWindowProc(dialog, message, wparam, lparam);
}
return 0;
}
ShellJavaScriptDialog::ShellJavaScriptDialog(
ShellJavaScriptDialogManager* manager,
gfx::NativeWindow parent_window,
JavaScriptDialogType dialog_type,
const std::u16string& message_text,
const std::u16string& default_prompt_text,
JavaScriptDialogManager::DialogClosedCallback callback)
: callback_(std::move(callback)),
manager_(manager),
dialog_type_(dialog_type),
message_text_(message_text),
default_prompt_text_(default_prompt_text) {
int dialog_resource;
if (dialog_type == JAVASCRIPT_DIALOG_TYPE_ALERT)
dialog_resource = IDD_ALERT;
else if (dialog_type == JAVASCRIPT_DIALOG_TYPE_CONFIRM)
dialog_resource = IDD_CONFIRM;
else // JAVASCRIPT_DIALOG_TYPE_PROMPT
dialog_resource = IDD_PROMPT;
dialog_win_ =
CreateDialogParam(GetModuleHandle(0), MAKEINTRESOURCE(dialog_resource), 0,
DialogProc, reinterpret_cast<LPARAM>(this));
ShowWindow(dialog_win_, SW_SHOWNORMAL);
}
ShellJavaScriptDialog::~ShellJavaScriptDialog() = default;
void ShellJavaScriptDialog::Cancel() {
if (dialog_win_) {
// DestroyWindow() will delete `this` as the WM_DESTROY event handler
// deletes `this` through the `manager_`.
DestroyWindow(dialog_win_);
} else {
// If the window failed to be created then we emulate WM_DESTROY, since
// tests don't succeed in making dialogs always (e.g.
// BackForwardCacheBrowserTest.CanUseCacheWhenPageAlertsInTimeoutLoop).
std::move(callback_).Run(false, std::u16string());
// DialogClosed() will delete `this`.
manager_->DialogClosed(this);
}
}
} // namespace content
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