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      1 // Copyright (c) 2011 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_VIEWS_CONSTRAINED_WINDOW_VIEWS_H_
      6 #define CHROME_BROWSER_UI_VIEWS_CONSTRAINED_WINDOW_VIEWS_H_
      7 #pragma once
      8 
      9 #include "base/compiler_specific.h"
     10 #include "content/browser/tab_contents/constrained_window.h"
     11 #include "ui/gfx/native_widget_types.h"
     12 #include "ui/gfx/rect.h"
     13 
     14 class ConstrainedTabContentsWindowDelegate;
     15 class ConstrainedWindowAnimation;
     16 class ConstrainedWindowFrameView;
     17 namespace views {
     18 class NativeWindow;
     19 class NonClientFrameView;
     20 class Window;
     21 class WindowDelegate;
     22 }
     23 
     24 class NativeConstrainedWindowDelegate {
     25  public:
     26   virtual ~NativeConstrainedWindowDelegate() {}
     27 
     28   // Called after the NativeConstrainedWindow has been destroyed and is about to
     29   // be deleted.
     30   virtual void OnNativeConstrainedWindowDestroyed() = 0;
     31 
     32   // Called when the NativeConstrainedWindow is clicked on when inactive.
     33   virtual void OnNativeConstrainedWindowMouseActivate() = 0;
     34 
     35   // Creates the frame view for the constrained window.
     36   // TODO(beng): remove once ConstrainedWindowViews is-a views::Window.
     37   virtual views::NonClientFrameView* CreateFrameViewForWindow() = 0;
     38 };
     39 
     40 class NativeConstrainedWindow {
     41  public:
     42   virtual ~NativeConstrainedWindow() {}
     43 
     44   // Creates a platform-specific implementation of NativeConstrainedWindow.
     45   // TODO(beng): Remove WindowDelegate param once ConstrainedWindowViews is-a
     46   //             views::Window.
     47   static NativeConstrainedWindow* CreateNativeConstrainedWindow(
     48       NativeConstrainedWindowDelegate* delegate,
     49       views::WindowDelegate* window_delegate);
     50 
     51   virtual void InitNativeConstrainedWindow(gfx::NativeView parent) = 0;
     52 
     53   virtual views::NativeWindow* AsNativeWindow() = 0;
     54 };
     55 
     56 ///////////////////////////////////////////////////////////////////////////////
     57 // ConstrainedWindowViews
     58 //
     59 //  A ConstrainedWindow implementation that implements a Constrained Window as
     60 //  a child HWND with a custom window frame.
     61 //
     62 class ConstrainedWindowViews : public ConstrainedWindow,
     63                                public NativeConstrainedWindowDelegate {
     64  public:
     65   ConstrainedWindowViews(TabContents* owner,
     66                          views::WindowDelegate* window_delegate);
     67   virtual ~ConstrainedWindowViews();
     68 
     69   // Returns the TabContents that constrains this Constrained Window.
     70   TabContents* owner() const { return owner_; }
     71 
     72   views::Window* GetWindow();
     73 
     74   // Overridden from ConstrainedWindow:
     75   virtual void ShowConstrainedWindow() OVERRIDE;
     76   virtual void CloseConstrainedWindow() OVERRIDE;
     77   virtual void FocusConstrainedWindow() OVERRIDE;
     78 
     79  private:
     80   // Overridden from NativeConstrainedWindowDelegate:
     81   virtual void OnNativeConstrainedWindowDestroyed() OVERRIDE;
     82   virtual void OnNativeConstrainedWindowMouseActivate() OVERRIDE;
     83   virtual views::NonClientFrameView* CreateFrameViewForWindow() OVERRIDE;
     84 
     85   // The TabContents that owns and constrains this ConstrainedWindow.
     86   TabContents* owner_;
     87 
     88   NativeConstrainedWindow* native_constrained_window_;
     89 
     90   DISALLOW_COPY_AND_ASSIGN(ConstrainedWindowViews);
     91 };
     92 
     93 #endif  // CHROME_BROWSER_UI_VIEWS_CONSTRAINED_WINDOW_VIEWS_H_
     94