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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_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_MAC_
      6 #define CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_MAC_
      7 
      8 #import <Cocoa/Cocoa.h>
      9 
     10 #include "base/mac/scoped_nsobject.h"
     11 #include "components/web_modal/native_web_contents_modal_dialog.h"
     12 
     13 namespace content {
     14 class WebContents;
     15 }
     16 class ConstrainedWindowMac;
     17 @protocol ConstrainedWindowSheet;
     18 
     19 // A delegate for a constrained window. The delegate is notified when the
     20 // window closes.
     21 class ConstrainedWindowMacDelegate {
     22  public:
     23   virtual void OnConstrainedWindowClosed(ConstrainedWindowMac* window) = 0;
     24 };
     25 
     26 // Constrained window implementation for Mac.
     27 // Normally an instance of this class is owned by the delegate. The delegate
     28 // should delete the instance when the window is closed.
     29 class ConstrainedWindowMac {
     30  public:
     31   ConstrainedWindowMac(
     32       ConstrainedWindowMacDelegate* delegate,
     33       content::WebContents* web_contents,
     34       id<ConstrainedWindowSheet> sheet);
     35   virtual ~ConstrainedWindowMac();
     36 
     37   void ShowWebContentsModalDialog();
     38   // Closes the constrained window and deletes this instance.
     39   void CloseWebContentsModalDialog();
     40   void FocusWebContentsModalDialog();
     41   void PulseWebContentsModalDialog();
     42   web_modal::NativeWebContentsModalDialog GetNativeDialog();
     43 
     44  private:
     45   // Gets the parent window of the dialog.
     46   NSWindow* GetParentWindow() const;
     47 
     48   ConstrainedWindowMacDelegate* delegate_;  // weak, owns us.
     49 
     50   // The WebContents that owns and constrains this ConstrainedWindowMac. Weak.
     51   content::WebContents* web_contents_;
     52 
     53   base::scoped_nsprotocol<id<ConstrainedWindowSheet>> sheet_;
     54 
     55   // This is true if the constrained window has been shown.
     56   bool shown_;
     57 };
     58 
     59 #endif  // CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_MAC_
     60