1 /*
2 * Copyright (C) 2011 Apple Inc. All rights reserved.
3 * Copyright (C) 2011 Google Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #ifndef MediaControls_h
28 #define MediaControls_h
29
30 #if ENABLE(VIDEO)
31
32 #include "HTMLDivElement.h"
33
34 namespace WebCore {
35
36 class HTMLMediaElement;
37
38 class MediaControls : public HTMLDivElement {
39 public:
~MediaControls()40 virtual ~MediaControls() {}
41
42 // This function is to be implemented in your port-specific media
43 // controls implementation.
44 static PassRefPtr<MediaControls> create(HTMLMediaElement*);
45
46 virtual void show() = 0;
47 virtual void hide() = 0;
48 virtual void makeOpaque() = 0;
49 virtual void makeTransparent() = 0;
50
51 virtual void reset() = 0;
52
53 virtual void playbackProgressed() = 0;
54 virtual void playbackStarted() = 0;
55 virtual void playbackStopped() = 0;
56
57 virtual void changedMute() = 0;
58 virtual void changedVolume() = 0;
59
60 virtual void enteredFullscreen() = 0;
61 virtual void exitedFullscreen() = 0;
62
63 virtual void reportedError() = 0;
64 virtual void changedNetworkState() = 0;
65 virtual void loadedMetadata() = 0;
66 virtual void changedClosedCaptionsVisibility() = 0;
67
68 virtual void showVolumeSlider() = 0;
69 virtual void updateTimeDisplay() = 0;
70
71 protected:
72 MediaControls(HTMLMediaElement*);
73
74 private:
75 MediaControls();
76
isMediaControls()77 virtual bool isMediaControls() const { return true; }
78 };
79
toMediaControls(Node * node)80 inline MediaControls* toMediaControls(Node* node)
81 {
82 ASSERT(!node || node->isMediaControls());
83 return static_cast<MediaControls*>(node);
84 }
85
86 // This will catch anyone doing an unneccessary cast.
87 void toMediaControls(const Node*);
88
89 }
90
91 #endif
92
93 #endif
94