New NSWorkspace category for default browser functions

camino/src/extensions/NSWorkspace+Utils.h

@@ -0,0 +1,55 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2002
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Simon Fraser <smfr@smfr.org>
+ *   Josh Aas <josha@mac.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#import <AppKit/AppKit.h>
+
+@interface NSWorkspace(CaminoDefaultBrowserAdditions)
+
+- (NSArray*)installedBrowserIdentifiers;    // sort order not specified
+- (NSString*)defaultBrowserIdentifier;
+- (NSURL*)defaultBrowserURL;
+
+- (void)setDefaultBrowserWithIdentifier:(NSString*)bundleID;
+
+- (NSURL*)urlOfApplicationWithIdentifier:(NSString*)bundleID;
+- (NSString*)identifierForBundle:(NSURL*)inBundleURL;
+- (NSString*)displayNameForFile:(NSURL*)inFileURL;
+
+@end
+

camino/src/extensions/NSWorkspace+Utils.m

@@ -0,0 +1,141 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 2002
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Simon Fraser <smfr@smfr.org>
+ *   Josh Aas <josha@mac.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#import "NSWorkspace+Utils.h"
+
+@implementation NSWorkspace(CaminoDefaultBrowserAdditions)
+
+- (NSArray*)installedBrowserIdentifiers
+{
+  // use a set for automatic duplicate elimination
+  NSMutableSet* browsersSet = [NSMutableSet setWithCapacity:10];
+  
+  // using LSCopyApplicationURLsForURL would be nice (its not hidden),
+  // but it only exists on Mac OS X >= 10.3
+  NSArray* apps;
+  _LSCopyApplicationURLsForItemURL([NSURL URLWithString:@"http:"], kLSRolesViewer, &apps);
+  [apps autorelease];
+
+  // Put all the browsers into a new array, but only if they also support https and have a bundle ID we can access
+  NSEnumerator *appEnumerator = [apps objectEnumerator];
+  NSURL* anApp;
+  while ((anApp = [appEnumerator nextObject])) {
+    Boolean canHandleHTTPS;
+    if ((LSCanURLAcceptURL((CFURLRef)[NSURL URLWithString:@"https:"], (CFURLRef)anApp, kLSRolesAll, kLSAcceptDefault, &canHandleHTTPS) == noErr) &&
+        canHandleHTTPS) {
+      NSString *tmpBundleID = [self identifierForBundle:anApp];
+      if (tmpBundleID)
+        [browsersSet addObject:tmpBundleID];
+    }
+  }
+
+  // add default browser in case it hasn't been already
+  NSString* currentBrowser = [self defaultBrowserIdentifier];
+  if (currentBrowser)
+    [browsersSet addObject:currentBrowser];
+  
+  return [browsersSet allObjects];
+}
+
+- (NSString*)defaultBrowserIdentifier
+{
+  return [self identifierForBundle:[self defaultBrowserURL]];
+}
+
+- (NSURL*)defaultBrowserURL
+{
+  NSURL *currSetURL = nil;
+  if (_LSCopyDefaultSchemeHandlerURL(@"http", &currSetURL) == noErr)
+    return [currSetURL autorelease];
+
+  return nil;
+}
+
+- (void)setDefaultBrowserWithIdentifier:(NSString*)bundleID
+{
+  NSURL* browserURL = [self urlOfApplicationWithIdentifier:bundleID];
+  if (browserURL)
+  {
+    FSRef browserFSRef;
+    CFURLGetFSRef((CFURLRef)browserURL, &browserFSRef);
+    
+    _LSSetDefaultSchemeHandlerURL(@"http", browserURL);
+    _LSSetDefaultSchemeHandlerURL(@"https", browserURL);
+    _LSSetDefaultSchemeHandlerURL(@"ftp", browserURL);
+    _LSSetDefaultSchemeHandlerURL(@"gopher", browserURL);
+    _LSSetWeakBindingForType(0, 0, CFSTR("htm"),  kLSRolesAll, &browserFSRef);
+    _LSSetWeakBindingForType(0, 0, CFSTR("html"), kLSRolesAll, &browserFSRef);
+    _LSSetWeakBindingForType(0, 0, CFSTR("url"),  kLSRolesAll, &browserFSRef);
+    _LSSaveAndRefresh();
+  }
+}
+
+- (NSURL*)urlOfApplicationWithIdentifier:(NSString*)bundleID
+{
+  NSURL* appURL = nil;
+  if (LSFindApplicationForInfo(kLSUnknownCreator, (CFStringRef)bundleID, NULL, NULL, (CFURLRef*)&appURL) == noErr)
+    return [appURL autorelease];
+
+  return nil;
+}
+
+- (NSString*)identifierForBundle:(NSURL*)inBundleURL
+{
+  if (!inBundleURL) return nil;
+
+  NSBundle* tmpBundle = [NSBundle bundleWithPath:[[inBundleURL path] stringByStandardizingPath]];
+  if (tmpBundle)
+  {
+    NSString* tmpBundleID = [tmpBundle bundleIdentifier];
+    if (tmpBundleID && ([tmpBundleID length] > 0)) {
+      return tmpBundleID;
+    }
+  }
+  return nil;
+}
+
+- (NSString*)displayNameForFile:(NSURL*)inFileURL
+{
+  NSString *name;
+  LSCopyDisplayNameForURL((CFURLRef)inFileURL, (CFStringRef *)&name);
+  return [name autorelease];
+}
+
+@end
+