Move shell integration code from chrome/browser to apps

chrome/browser/shell_integration_mac.mm

-// 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 "chrome/browser/shell_integration.h"
-
-#include "base/mac/bundle_locations.h"
-#include "base/mac/mac_util.h"
-#include "base/mac/foundation_util.h"
-#include "chrome/common/chrome_version_info.h"
-#import "third_party/mozilla/NSWorkspace+Utils.h"
-
-ShellIntegration::DefaultWebClientSetPermission
-    ShellIntegration::CanSetAsDefaultBrowser() {
-  if (chrome::VersionInfo::GetChannel() !=
-          chrome::VersionInfo::CHANNEL_CANARY) {
-    return SET_DEFAULT_UNATTENDED;
-  }
-
-  return SET_DEFAULT_NOT_ALLOWED;
-}
-
-// Sets Chromium as default browser to be used by the operating system. This
-// applies only for the current user. Returns false if this cannot be done, or
-// if the operation fails.
-bool ShellIntegration::SetAsDefaultBrowser() {
-  if (CanSetAsDefaultBrowser() != SET_DEFAULT_UNATTENDED)
-    return false;
-
-  // We really do want the outer bundle here, not the main bundle since setting
-  // a shortcut to Chrome as the default browser doesn't make sense.
-  NSString* identifier = [base::mac::OuterBundle() bundleIdentifier];
-  if (!identifier)
-    return false;
-
-  [[NSWorkspace sharedWorkspace] setDefaultBrowserWithIdentifier:identifier];
-  return true;
-}
-
-// Sets Chromium as the default application to be used by the operating system
-// for the given protocol. This applies only for the current user. Returns false
-// if this cannot be done, or if the operation fails.
-bool ShellIntegration::SetAsDefaultProtocolClient(const std::string& protocol) {
-  if (protocol.empty())
-    return false;
-
-  if (CanSetAsDefaultProtocolClient() != SET_DEFAULT_UNATTENDED)
-    return false;
-
-  // We really do want the main bundle here since it makes sense to set an
-  // app shortcut as a default protocol handler.
-  NSString* identifier = [base::mac::MainBundle() bundleIdentifier];
-  if (!identifier)
-    return false;
-
-  NSString* protocol_ns = [NSString stringWithUTF8String:protocol.c_str()];
-  OSStatus return_code =
-      LSSetDefaultHandlerForURLScheme(base::mac::NSToCFCast(protocol_ns),
-                                      base::mac::NSToCFCast(identifier));
-  return return_code == noErr;
-}
-
-namespace {
-
-// Returns true if |identifier| is the bundle id of the default browser.
-bool IsIdentifierDefaultBrowser(NSString* identifier) {
-  NSString* default_browser =
-      [[NSWorkspace sharedWorkspace] defaultBrowserIdentifier];
-  if (!default_browser)
-    return false;
-
-  // We need to ensure we do the comparison case-insensitive as LS doesn't
-  // persist the case of our bundle id.
-  NSComparisonResult result =
-      [default_browser caseInsensitiveCompare:identifier];
-  return result == NSOrderedSame;
-}
-
-// Returns true if |identifier| is the bundle id of the default client
-// application for the given protocol.
-bool IsIdentifierDefaultProtocolClient(NSString* identifier,
-                                       NSString* protocol) {
-  CFStringRef default_client_cf =
-      LSCopyDefaultHandlerForURLScheme(base::mac::NSToCFCast(protocol));
-  NSString* default_client = static_cast<NSString*>(
-      base::mac::CFTypeRefToNSObjectAutorelease(default_client_cf));
-  if (!default_client)
-    return false;
-
-  // We need to ensure we do the comparison case-insensitive as LS doesn't
-  // persist the case of our bundle id.
-  NSComparisonResult result =
-      [default_client caseInsensitiveCompare:identifier];
-  return result == NSOrderedSame;
-}
-
-}  // namespace
-
-// Attempt to determine if this instance of Chrome is the default browser and
-// return the appropriate state. (Defined as being the handler for HTTP/HTTPS
-// protocols; we don't want to report "no" here if the user has simply chosen
-// to open HTML files in a text editor and FTP links with an FTP client.)
-ShellIntegration::DefaultWebClientState ShellIntegration::GetDefaultBrowser() {
-  // We really do want the outer bundle here, since this we want to know the
-  // status of the main Chrome bundle and not a shortcut.
-  NSString* my_identifier = [base::mac::OuterBundle() bundleIdentifier];
-  if (!my_identifier)
-    return UNKNOWN_DEFAULT;
-
-  return IsIdentifierDefaultBrowser(my_identifier) ? IS_DEFAULT : NOT_DEFAULT;
-}
-
-// Returns true if Firefox is the default browser for the current user.
-bool ShellIntegration::IsFirefoxDefaultBrowser() {
-  return IsIdentifierDefaultBrowser(@"org.mozilla.firefox");
-}
-
-// Attempt to determine if this instance of Chrome is the default client
-// application for the given protocol and return the appropriate state.
-ShellIntegration::DefaultWebClientState
-    ShellIntegration::IsDefaultProtocolClient(const std::string& protocol) {
-  if (protocol.empty())
-    return UNKNOWN_DEFAULT;
-
-  // We really do want the main bundle here since it makes sense to set an
-  // app shortcut as a default protocol handler.
-  NSString* my_identifier = [base::mac::MainBundle() bundleIdentifier];
-  if (!my_identifier)
-    return UNKNOWN_DEFAULT;
-
-  NSString* protocol_ns = [NSString stringWithUTF8String:protocol.c_str()];
-  return IsIdentifierDefaultProtocolClient(my_identifier, protocol_ns) ?
-      IS_DEFAULT : NOT_DEFAULT;
-}