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// Copyright (c) 2009 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.
#import "chrome/browser/cocoa/external_protocol_dialog.h"
#include "app/l10n_util_mac.h"
#include "base/message_loop.h"
#include "base/string_util.h"
#include "base/sys_string_conversions.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/external_protocol_handler.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
///////////////////////////////////////////////////////////////////////////////
// ExternalProtocolHandler
// static
void ExternalProtocolHandler::RunExternalProtocolDialog(
const GURL& url, int render_process_host_id, int routing_id) {
[[ExternalProtocolDialogController alloc] initWithGURL:&url];
}
///////////////////////////////////////////////////////////////////////////////
// ExternalProtocolDialogController
@interface ExternalProtocolDialogController(Private)
- (void)alertEnded:(NSAlert *)alert
returnCode:(int)returnCode
contextInfo:(void*)contextInfo;
- (string16)appNameForProtocol;
@end
@implementation ExternalProtocolDialogController
- (id)initWithGURL:(const GURL*)url {
DCHECK_EQ(MessageLoop::TYPE_UI, MessageLoop::current()->type());
url_ = *url;
creation_time_ = base::Time::Now();
string16 appName = [self appNameForProtocol];
if (appName.length() == 0) {
// No registered apps for this protocol; give up and go home.
[self autorelease];
return nil;
}
alert_ = [[NSAlert alloc] init];
[alert_ setMessageText:
l10n_util::GetNSStringWithFixup(IDS_EXTERNAL_PROTOCOL_TITLE)];
NSButton* allowButton = [alert_ addButtonWithTitle:
l10n_util::GetNSStringWithFixup(IDS_EXTERNAL_PROTOCOL_OK_BUTTON_TEXT)];
[allowButton setKeyEquivalent:@""]; // disallow as default
[alert_ addButtonWithTitle:
l10n_util::GetNSStringWithFixup(
IDS_EXTERNAL_PROTOCOL_CANCEL_BUTTON_TEXT)];
const int kMaxUrlWithoutSchemeSize = 256;
std::wstring elided_url_without_scheme;
ElideString(ASCIIToWide(url_.possibly_invalid_spec()),
kMaxUrlWithoutSchemeSize, &elided_url_without_scheme);
NSString* urlString = l10n_util::GetNSStringFWithFixup(
IDS_EXTERNAL_PROTOCOL_INFORMATION,
ASCIIToUTF16(url_.scheme() + ":"),
WideToUTF16(elided_url_without_scheme));
NSString* appString = l10n_util::GetNSStringFWithFixup(
IDS_EXTERNAL_PROTOCOL_APPLICATION_TO_LAUNCH,
appName);
NSString* warningString =
l10n_util::GetNSStringWithFixup(IDS_EXTERNAL_PROTOCOL_WARNING);
NSString* informativeText =
[NSString stringWithFormat:@"%@\n\n%@\n\n%@",
urlString,
appString,
warningString];
[alert_ setInformativeText:informativeText];
[alert_ setShowsSuppressionButton:YES];
[[alert_ suppressionButton] setTitle:
l10n_util::GetNSStringWithFixup(IDS_EXTERNAL_PROTOCOL_CHECKBOX_TEXT)];
[alert_ beginSheetModalForWindow:nil // nil here makes it app-modal
modalDelegate:self
didEndSelector:@selector(alertEnded:returnCode:contextInfo:)
contextInfo:nil];
return self;
}
- (void)dealloc {
[alert_ release];
[super dealloc];
}
- (void)alertEnded:(NSAlert *)alert
returnCode:(int)returnCode
contextInfo:(void*)contextInfo {
ExternalProtocolHandler::BlockState blockState =
ExternalProtocolHandler::UNKNOWN;
switch (returnCode) {
case NSAlertFirstButtonReturn:
blockState = ExternalProtocolHandler::DONT_BLOCK;
break;
case NSAlertSecondButtonReturn:
blockState = ExternalProtocolHandler::BLOCK;
break;
default:
NOTREACHED();
}
// Set the "don't warn me again" info.
if ([[alert_ suppressionButton] state] == NSOnState) {
ExternalProtocolHandler::SetBlockState(UTF8ToWide(url_.scheme()),
blockState);
}
if (blockState == ExternalProtocolHandler::DONT_BLOCK) {
UMA_HISTOGRAM_LONG_TIMES("clickjacking.launch_url",
base::Time::Now() - creation_time_);
ExternalProtocolHandler::LaunchUrlWithoutSecurityCheck(url_);
}
[self autorelease];
}
- (string16)appNameForProtocol {
NSURL* url = [NSURL URLWithString:
base::SysUTF8ToNSString(url_.possibly_invalid_spec())];
CFURLRef openingApp = NULL;
OSStatus status = LSGetApplicationForURL((CFURLRef)url,
kLSRolesAll,
NULL,
&openingApp);
if (status != noErr) {
// likely kLSApplicationNotFoundErr
return string16();
}
NSString* appPath = [(NSURL*)openingApp path];
CFRelease(openingApp); // NOT A BUG; LSGetApplicationForURL retains for us
NSString* appDisplayName =
[[NSFileManager defaultManager] displayNameAtPath:appPath];
return base::SysNSStringToUTF16(appDisplayName);
}
@end
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