Mac Web Intents Part 11: Progress view

chrome/browser/ui/cocoa/spinner_progress_indicator.h

+// 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.
+
+#ifndef CHROME_BROWSER_UI_COCOA_SPINNER_PROGRESS_INDICATOR_
+#define CHROME_BROWSER_UI_COCOA_SPINNER_PROGRESS_INDICATOR_
+
+#import <Cocoa/Cocoa.h>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/time.h"
+
+namespace base {
+class Timer;
+}
+
+// A progress indicator that draws progress as a pie chart. An terminate
+// state is represented by simply spinning a slice of the pie around the
+// control.
+@interface SpinnerProgressIndicator : NSView {
+ @private
+  scoped_ptr<base::Timer> timer_;
+  base::TimeTicks startTime_;
+  int percentDone_;
+  BOOL isIndeterminate_;
+}
+
+@property(nonatomic, assign) int percentDone;
+@property(nonatomic, assign) BOOL isIndeterminate;
+
+- (void)sizeToFit;
+
+@end
+
+#endif  // CHROME_BROWSER_UI_COCOA_SPINNER_PROGRESS_INDICATOR_