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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 PPAPI_CPP_FULLSCREEN_H_
6 #define PPAPI_CPP_FULLSCREEN_H_
7 
8 #include "ppapi/cpp/instance_handle.h"
9 
10 /// @file
11 /// This file defines the API for handling transitions of a module instance to
12 /// and from fullscreen mode.
13 
14 namespace pp {
15 
16 class Size;
17 
18 /// The Fullscreen class allowing you to check and toggle fullscreen mode.
19 class Fullscreen {
20  public:
21   /// A constructor for creating a <code>Fullscreen</code>.
22   ///
23   /// @param[in] instance The instance with which this resource will be
24   /// associated.
25   explicit Fullscreen(const InstanceHandle& instance);
26 
27   /// Destructor.
28   virtual ~Fullscreen();
29 
30   /// IsFullscreen() checks whether the module instance is currently in
31   /// fullscreen mode.
32   ///
33   /// @return <code>true</code> if the module instance is in fullscreen mode,
34   /// <code>false</code> if the module instance is not in fullscreen mode.
35   bool IsFullscreen();
36 
37   /// SetFullscreen() switches the module instance to and from fullscreen
38   /// mode.
39   ///
40   /// The transition to and from fullscreen mode is asynchronous. During the
41   /// transition, IsFullscreen() will return the previous value and
42   /// no 2D or 3D device can be bound. The transition ends at DidChangeView()
43   /// when IsFullscreen() returns the new value. You might receive other
44   /// DidChangeView() calls while in transition.
45   ///
46   /// The transition to fullscreen mode can only occur while the browser is
47   /// processing a user gesture, even if <code>true</code> is returned.
48   ///
49   /// @param[in] fullscreen <code>true</code> to enter fullscreen mode, or
50   /// <code>false</code> to exit fullscreen mode.
51   ///
52   /// @return <code>true</code> on success or <code>false</code> on
53   /// failure.
54   bool SetFullscreen(bool fullscreen);
55 
56   /// GetScreenSize() gets the size of the screen in pixels. The module instance
57   /// will be resized to this size when SetFullscreen() is called to enter
58   /// fullscreen mode.
59   ///
60   /// @param[out] size The size of the entire screen in pixels.
61   ///
62   /// @return <code>true</code> on success or <code>false</code> on
63   /// failure.
64   bool GetScreenSize(Size* size);
65 
66  private:
67   InstanceHandle instance_;
68 };
69 
70 }  // namespace pp
71 
72 #endif  // PPAPI_CPP_FULLSCREEN_H_
73