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// 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.
#import "ui/base/cocoa/nib_loading.h"
#include "base/mac/bundle_locations.h"
#include "base/mac/scoped_nsobject.h"
namespace ui {
NSView* GetViewFromNib(NSString* name) {
base::scoped_nsobject<NSNib> nib(
[[NSNib alloc] initWithNibNamed:name
bundle:base::mac::FrameworkBundle()]);
if (!nib)
return nil;
NSArray* objects;
BOOL success = [nib instantiateNibWithOwner:nil
topLevelObjects:&objects];
if (!success)
return nil;
// When loading a nib manually (as opposed to using an NSWindowController or
// NSViewController), all the top-level objects need to be explicitly
// released. See
// http://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/LoadingResources/CocoaNibs/CocoaNibs.html#//apple_ref/doc/uid/10000051i-CH4-SW10
// for more information.
[objects makeObjectsPerformSelector:@selector(release)];
// For some strange reason, even nibs that appear to have but one top-level
// object often have more (an NSApplication, etc.). Filter out what isn't
// desired.
for (NSView* view in objects) {
if (![view isKindOfClass:[NSView class]])
continue;
return [[view retain] autorelease];
}
return nil;
}
} // namespace ui
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