chrome/browser/ui/cocoa/constrained_window/constrained_window_mac.h

   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   void SetPreventCloseOnLoadStart(bool prevent);
  45
  46  private:
  47   // Gets the parent window of the dialog.
  48   NSWindow* GetParentWindow() const;
  49
  50   ConstrainedWindowMacDelegate* delegate_;  // weak, owns us.
  51
  52   // The WebContents that owns and constrains this ConstrainedWindowMac. Weak.
  53   content::WebContents* web_contents_;
  54
  55   base::scoped_nsprotocol<id<ConstrainedWindowSheet>> sheet_;
  56
  57   // This is true if the constrained window has been shown.
  58   bool shown_;
  59 };
  60
  61 #endif  // CHROME_BROWSER_UI_COCOA_CONSTRAINED_WINDOW_CONSTRAINED_WINDOW_MAC_