195 lines
5.6 KiB
Plaintext
195 lines
5.6 KiB
Plaintext
// Copyright (c) 2012 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "libcef/browser/native/javascript_dialog_runner_mac.h"
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#import <Cocoa/Cocoa.h>
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#include "base/functional/bind.h"
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#include "base/strings/sys_string_conversions.h"
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#include "base/strings/utf_string_conversions.h"
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#include "components/url_formatter/elide_url.h"
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#if !defined(__has_feature) || !__has_feature(objc_arc)
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#error "This file requires ARC support."
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#endif
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// Helper object that receives the notification that the dialog/sheet is
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// going away. Is responsible for cleaning itself up.
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@interface CefJavaScriptDialogHelper : NSObject <NSAlertDelegate> {
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@private
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NSAlert* __strong alert_;
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NSTextField* __weak textField_;
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// Copies of the fields in CefJavaScriptDialog because they're private.
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CefJavaScriptDialogRunner::DialogClosedCallback callback_;
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}
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- (id)initHelperWithCallback:
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(CefJavaScriptDialogRunner::DialogClosedCallback)callback;
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- (NSAlert*)alert;
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- (NSTextField*)textField;
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- (void)alertDidEnd:(NSAlert*)alert
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returnCode:(int)returnCode
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contextInfo:(void*)contextInfo;
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- (void)cancel;
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@end
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@implementation CefJavaScriptDialogHelper
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- (id)initHelperWithCallback:
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(CefJavaScriptDialogRunner::DialogClosedCallback)callback {
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if (self = [super init]) {
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callback_ = std::move(callback);
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}
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return self;
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}
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- (NSAlert*)alert {
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alert_ = [[NSAlert alloc] init];
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return alert_;
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}
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- (NSTextField*)textField {
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NSTextField* textField =
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[[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 300, 22)];
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textField.cell.lineBreakMode = NSLineBreakByTruncatingTail;
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alert_.accessoryView = textField;
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alert_.window.initialFirstResponder = textField;
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textField_ = textField;
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return textField;
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}
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- (void)alertDidEnd:(NSAlert*)alert
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returnCode:(int)returnCode
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contextInfo:(void*)contextInfo {
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if (returnCode == NSModalResponseStop) {
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return;
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}
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bool success = returnCode == NSAlertFirstButtonReturn;
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std::u16string input;
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if (textField_) {
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input = base::SysNSStringToUTF16(textField_.stringValue);
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}
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std::move(callback_).Run(success, input);
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}
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- (void)cancel {
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[NSApp endSheet:alert_.window];
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alert_ = nil;
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}
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@end
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CefJavaScriptDialogRunnerMac::CefJavaScriptDialogRunnerMac()
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: weak_ptr_factory_(this) {}
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CefJavaScriptDialogRunnerMac::~CefJavaScriptDialogRunnerMac() {
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Cancel();
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}
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void CefJavaScriptDialogRunnerMac::Run(
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CefBrowserHostBase* browser,
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content::JavaScriptDialogType message_type,
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const GURL& origin_url,
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const std::u16string& message_text,
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const std::u16string& default_prompt_text,
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DialogClosedCallback callback) {
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DCHECK(!helper_);
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callback_ = std::move(callback);
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bool text_field = message_type == content::JAVASCRIPT_DIALOG_TYPE_PROMPT;
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bool one_button = message_type == content::JAVASCRIPT_DIALOG_TYPE_ALERT;
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helper_ = [[CefJavaScriptDialogHelper alloc]
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initHelperWithCallback:base::BindOnce(
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&CefJavaScriptDialogRunnerMac::DialogClosed,
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weak_ptr_factory_.GetWeakPtr())];
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// Show the modal dialog.
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NSAlert* alert = [helper_ alert];
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NSTextField* field = nil;
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if (text_field) {
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field = [helper_ textField];
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field.stringValue = base::SysUTF16ToNSString(default_prompt_text);
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}
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alert.delegate = helper_;
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alert.informativeText = base::SysUTF16ToNSString(message_text);
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std::u16string label;
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switch (message_type) {
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case content::JAVASCRIPT_DIALOG_TYPE_ALERT:
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label = u"JavaScript Alert";
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break;
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case content::JAVASCRIPT_DIALOG_TYPE_PROMPT:
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label = u"JavaScript Prompt";
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break;
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case content::JAVASCRIPT_DIALOG_TYPE_CONFIRM:
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label = u"JavaScript Confirm";
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break;
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}
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const std::u16string& display_url =
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url_formatter::FormatUrlForSecurityDisplay(origin_url);
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if (!display_url.empty()) {
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label += u" - " + display_url;
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}
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alert.messageText = base::SysUTF16ToNSString(label);
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[alert addButtonWithTitle:@"OK"];
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if (!one_button) {
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NSButton* other = [alert addButtonWithTitle:@"Cancel"];
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other.keyEquivalent = @"\e";
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}
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// Calling beginSheetModalForWindow:nil is wrong API usage. For now work
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// around the "callee requires a non-null argument" error that occurs when
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// building with the 10.11 SDK. See http://crbug.com/383820 for related
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// discussion.
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// We can't use the newer beginSheetModalForWindow:completionHandler: variant
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// because it fails silently when passed a nil argument (see issue #2726).
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id nilArg = nil;
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wdeprecated-declarations"
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[alert beginSheetModalForWindow:nilArg // nil here makes it app-modal
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modalDelegate:helper_
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didEndSelector:@selector(alertDidEnd:returnCode:contextInfo:)
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contextInfo:this];
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#pragma clang diagnostic pop
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if ([alert accessoryView]) {
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[[alert window] makeFirstResponder:[alert accessoryView]];
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}
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}
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void CefJavaScriptDialogRunnerMac::Handle(
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bool accept,
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const std::u16string* prompt_override) {
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if (helper_) {
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DialogClosed(accept, prompt_override ? *prompt_override : std::u16string());
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}
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}
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void CefJavaScriptDialogRunnerMac::Cancel() {
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if (helper_) {
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[helper_ cancel];
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helper_ = nil;
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}
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}
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void CefJavaScriptDialogRunnerMac::DialogClosed(
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bool success,
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const std::u16string& user_input) {
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helper_ = nil;
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std::move(callback_).Run(success, user_input);
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}
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