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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_CHROME_BROWSER_APPLICATION_MAC_H_
      6 #define CHROME_BROWSER_CHROME_BROWSER_APPLICATION_MAC_H_
      7 
      8 #ifdef __OBJC__
      9 
     10 #import <AppKit/AppKit.h>
     11 
     12 #include <vector>
     13 
     14 #import "base/mac/scoped_sending_event.h"
     15 #import "base/message_loop/message_pump_mac.h"
     16 #include "base/synchronization/lock.h"
     17 
     18 @interface BrowserCrApplication : NSApplication<CrAppProtocol,
     19                                                 CrAppControlProtocol> {
     20  @private
     21   BOOL handlingSendEvent_;
     22   BOOL cyclingWindows_;
     23 
     24   // App's previous key windows. Most recent key window is last.
     25   // Does not include current key window. Elements of this vector are weak
     26   // references.
     27   std::vector<NSWindow*> previousKeyWindows_;
     28 
     29   // Guards previousKeyWindows_.
     30   base::Lock previousKeyWindowsLock_;
     31 }
     32 
     33 // Our implementation of |-terminate:| only attempts to terminate the
     34 // application, i.e., begins a process which may lead to termination. This
     35 // method cancels that process.
     36 - (void)cancelTerminate:(id)sender;
     37 
     38 // Keep track of the previous key windows and whether windows are being
     39 // cycled for use in determining whether a Panel window can become the
     40 // key window.
     41 - (NSWindow*)previousKeyWindow;
     42 - (BOOL)isCyclingWindows;
     43 @end
     44 
     45 namespace chrome_browser_application_mac {
     46 
     47 // Bin for unknown exceptions. Exposed for testing purposes.
     48 extern const size_t kUnknownNSException;
     49 
     50 // Returns the histogram bin for |exception| if it is one we track
     51 // specifically, or |kUnknownNSException| if unknown.  Exposed for testing
     52 // purposes.
     53 size_t BinForException(NSException* exception);
     54 
     55 // Use UMA to track exception occurance. Exposed for testing purposes.
     56 void RecordExceptionWithUma(NSException* exception);
     57 
     58 }  // namespace chrome_browser_application_mac
     59 
     60 #endif  // __OBJC__
     61 
     62 namespace chrome_browser_application_mac {
     63 
     64 // To be used to instantiate BrowserCrApplication from C++ code.
     65 void RegisterBrowserCrApp();
     66 
     67 // Calls -[NSApp terminate:].
     68 void Terminate();
     69 
     70 // Cancels a termination started by |Terminate()|.
     71 void CancelTerminate();
     72 
     73 }  // namespace chrome_browser_application_mac
     74 
     75 #endif  // CHROME_BROWSER_CHROME_BROWSER_APPLICATION_MAC_H_
     76