cef/libcef/browser/javascript_dialog_mac.mm

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// Copyright (c) 2012 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "libcef/browser/javascript_dialog.h"
#include "libcef/browser/javascript_dialog_creator.h"
#import <Cocoa/Cocoa.h>
#import "base/memory/scoped_nsobject.h"
#include "base/sys_string_conversions.h"
#include "base/utf_string_conversions.h"
// Helper object that receives the notification that the dialog/sheet is
// going away. Is responsible for cleaning itself up.
@interface CefJavaScriptDialogHelper : NSObject<NSAlertDelegate> {
@private
scoped_nsobject<NSAlert> alert_;
NSTextField* textField_; // WEAK; owned by alert_
// Copies of the fields in CefJavaScriptDialog because they're private.
CefJavaScriptDialogCreator* creator_;
content::JavaScriptDialogCreator::DialogClosedCallback callback_;
}
- (id)initHelperWithCreator:(CefJavaScriptDialogCreator*)creator
andCallback:(content::JavaScriptDialogCreator::DialogClosedCallback)callback;
- (NSAlert*)alert;
- (NSTextField*)textField;
- (void)alertDidEnd:(NSAlert*)alert
returnCode:(int)returnCode
contextInfo:(void*)contextInfo;
- (void)cancel;
@end
@implementation CefJavaScriptDialogHelper
- (id)initHelperWithCreator:(CefJavaScriptDialogCreator*)creator
andCallback:(content::JavaScriptDialogCreator::DialogClosedCallback)callback {
if (self = [super init]) {
creator_ = creator;
callback_ = callback;
}
return self;
}
- (NSAlert*)alert {
alert_.reset([[NSAlert alloc] init]);
return alert_;
}
- (NSTextField*)textField {
textField_ = [[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 300, 22)];
[[textField_ cell] setLineBreakMode:NSLineBreakByTruncatingTail];
[alert_ setAccessoryView:textField_];
[textField_ release];
return textField_;
}
- (void)alertDidEnd:(NSAlert*)alert
returnCode:(int)returnCode
contextInfo:(void*)contextInfo {
if (returnCode == NSRunStoppedResponse)
return;
bool success = returnCode == NSAlertFirstButtonReturn;
string16 input;
if (textField_)
input = base::SysNSStringToUTF16([textField_ stringValue]);
CefJavaScriptDialog* native_dialog =
reinterpret_cast<CefJavaScriptDialog*>(contextInfo);
callback_.Run(success, input);
creator_->DialogClosed(native_dialog);
}
- (void)cancel {
[NSApp endSheet:[alert_ window]];
alert_.reset();
}
@end
CefJavaScriptDialog::CefJavaScriptDialog(
CefJavaScriptDialogCreator* creator,
content::JavaScriptMessageType message_type,
const string16& display_url,
const string16& message_text,
const string16& default_prompt_text,
const content::JavaScriptDialogCreator::DialogClosedCallback& callback)
: creator_(creator),
callback_(callback) {
bool text_field =
message_type == content::JAVASCRIPT_MESSAGE_TYPE_PROMPT;
bool one_button =
message_type == content::JAVASCRIPT_MESSAGE_TYPE_ALERT;
helper_ =
[[CefJavaScriptDialogHelper alloc] initHelperWithCreator:creator
andCallback:callback];
// Show the modal dialog.
NSAlert* alert = [helper_ alert];
NSTextField* field = nil;
if (text_field) {
field = [helper_ textField];
[field setStringValue:base::SysUTF16ToNSString(default_prompt_text)];
}
[alert setDelegate:helper_];
[alert setInformativeText:base::SysUTF16ToNSString(message_text)];
string16 label;
switch (message_type) {
case content::JAVASCRIPT_MESSAGE_TYPE_ALERT:
label = ASCIIToUTF16("JavaScript Alert");
break;
case content::JAVASCRIPT_MESSAGE_TYPE_PROMPT:
label = ASCIIToUTF16("JavaScript Prompt");
break;
case content::JAVASCRIPT_MESSAGE_TYPE_CONFIRM:
label = ASCIIToUTF16("JavaScript Confirm");
break;
}
if (!display_url.empty())
label += ASCIIToUTF16(" - ") + display_url;
[alert setMessageText:base::SysUTF16ToNSString(label)];
[alert addButtonWithTitle:@"OK"];
if (!one_button) {
NSButton* other = [alert addButtonWithTitle:@"Cancel"];
[other setKeyEquivalent:@"\e"];
}
[alert
beginSheetModalForWindow:nil // nil here makes it app-modal
modalDelegate:helper_
didEndSelector:@selector(alertDidEnd:returnCode:contextInfo:)
contextInfo:this];
if ([alert accessoryView])
[[alert window] makeFirstResponder:[alert accessoryView]];
}
CefJavaScriptDialog::~CefJavaScriptDialog() {
[helper_ release];
}
void CefJavaScriptDialog::Cancel() {
[helper_ cancel];
}