1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
content / shell / browser / shell_javascript_dialog_mac.mm [blame]
// 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