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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"
#import <Cocoa/Cocoa.h>
#include "base/memory/raw_ptr.h"
#include "base/strings/sys_string_conversions.h"
#include "content/shell/browser/shell_javascript_dialog_manager.h"
// Helper object that receives the notification that the dialog/sheet is
// going away. Is responsible for cleaning itself up.
@interface ShellJavaScriptDialogHelper : NSObject<NSAlertDelegate> {
NSAlert* __strong _alert;
NSTextField* __weak _textField;
// Copies of the fields in ShellJavaScriptDialog because they're private.
raw_ptr<content::ShellJavaScriptDialogManager> _manager;
content::JavaScriptDialogManager::DialogClosedCallback _callback;
}
- (id)initHelperWithManager:(content::ShellJavaScriptDialogManager*)manager
andCallback:(content::JavaScriptDialogManager::DialogClosedCallback)callback;
- (NSAlert*)alert;
- (NSTextField*)textField;
- (void)alertDidEndWithResult:(NSModalResponse)returnCode
dialog:(content::ShellJavaScriptDialog*)dialog;
- (void)cancel;
@end
@implementation ShellJavaScriptDialogHelper
- (id)initHelperWithManager:(content::ShellJavaScriptDialogManager*)manager
andCallback:(content::JavaScriptDialogManager::DialogClosedCallback)callback {
if (self = [super init]) {
_manager = manager;
_callback = std::move(callback);
}
return self;
}
- (NSAlert*)alert {
_alert = [[NSAlert alloc] init];
return _alert;
}
- (NSTextField*)textField {
NSTextField* textField =
[[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 300, 22)];
textField.cell.lineBreakMode = NSLineBreakByTruncatingTail;
_alert.accessoryView = textField;
_alert.window.initialFirstResponder = textField;
_textField = textField;
return textField;
}
- (void)alertDidEndWithResult:(NSModalResponse)returnCode
dialog:(content::ShellJavaScriptDialog*)dialog {
if (returnCode == NSModalResponseStop) {
return;
}
bool success = returnCode == NSAlertFirstButtonReturn;
std::u16string input;
if (_textField) {
input = base::SysNSStringToUTF16(_textField.stringValue);
}
std::move(_callback).Run(success, input);
_manager->DialogClosed(dialog);
}
- (void)cancel {
[NSApp endSheet:_alert.window];
_alert = nil;
if (_callback) {
std::move(_callback).Run(false, std::u16string());
}
}
@end
namespace content {
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) {
bool text_field = dialog_type == JAVASCRIPT_DIALOG_TYPE_PROMPT;
bool one_button = dialog_type == JAVASCRIPT_DIALOG_TYPE_ALERT;
helper_ = [[ShellJavaScriptDialogHelper alloc]
initHelperWithManager:manager
andCallback:std::move(callback)];
// Show the modal dialog.
NSAlert* alert = [helper_ alert];
NSTextField* field = nil;
if (text_field) {
field = [helper_ textField];
field.stringValue = base::SysUTF16ToNSString(default_prompt_text);
}
alert.delegate = helper_;
alert.informativeText = base::SysUTF16ToNSString(message_text);
alert.messageText = @"Javascript alert";
[alert addButtonWithTitle:@"OK"];
if (!one_button) {
NSButton* other = [alert addButtonWithTitle:@"Cancel"];
other.keyEquivalent = @"\e";
}
[alert beginSheetModalForWindow:nil // nil here makes it app-modal
completionHandler:^void(NSModalResponse returnCode) {
[helper_ alertDidEndWithResult:returnCode dialog:this];
}];
}
ShellJavaScriptDialog::~ShellJavaScriptDialog() = default;
void ShellJavaScriptDialog::Cancel() {
[helper_ cancel];
}
} // namespace content
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