1/*
2 * Copyright (C) 2010 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef FullscreenVideoController_h
27#define FullscreenVideoController_h
28
29#if ENABLE(VIDEO)
30
31#include "MediaPlayerPrivateFullscreenWindow.h"
32
33#include <WebCore/HTMLMediaElement.h>
34#include <WebCore/Image.h>
35#include <WebCore/IntPoint.h>
36#include <WebCore/IntSize.h>
37#include <wtf/RefPtr.h>
38
39namespace WebCore {
40class GraphicsContext;
41#if USE(ACCELERATED_COMPOSITING)
42class PlatformCALayer;
43#endif
44}
45
46class HUDWidget {
47public:
48    HUDWidget(const WebCore::IntRect& rect) : m_rect(rect) { }
49
50    virtual ~HUDWidget() { }
51
52    virtual void draw(WebCore::GraphicsContext&) = 0;
53    virtual void drag(const WebCore::IntPoint&, bool start) = 0;
54    bool hitTest(const WebCore::IntPoint& point) const { return m_rect.contains(point); }
55
56protected:
57    WebCore::IntRect m_rect;
58};
59
60class HUDButton : public HUDWidget {
61public:
62    enum HUDButtonType {
63        NoButton,
64        PlayPauseButton,
65        TimeSliderButton,
66        VolumeUpButton,
67        VolumeSliderButton,
68        VolumeDownButton,
69        ExitFullscreenButton
70    };
71
72    HUDButton(HUDButtonType, const WebCore::IntPoint&);
73    ~HUDButton() { }
74
75    virtual void draw(WebCore::GraphicsContext&);
76    virtual void drag(const WebCore::IntPoint&, bool start) { }
77    void setShowAltButton(bool b)  { m_showAltButton = b; }
78
79private:
80    RefPtr<WebCore::Image> m_buttonImage;
81    RefPtr<WebCore::Image> m_buttonImageAlt;
82    HUDButtonType m_type;
83    bool m_showAltButton;
84};
85
86class HUDSlider : public HUDWidget {
87public:
88    enum HUDSliderButtonShape { RoundButton, DiamondButton };
89
90    HUDSlider(HUDSliderButtonShape, int buttonSize, const WebCore::IntRect& rect);
91    ~HUDSlider() { }
92
93    virtual void draw(WebCore::GraphicsContext&);
94    virtual void drag(const WebCore::IntPoint&, bool start);
95    float value() const { return static_cast<float>(m_buttonPosition) / (m_rect.width() - m_buttonSize); }
96    void setValue(float value) { m_buttonPosition = static_cast<int>(value * (m_rect.width() - m_buttonSize)); }
97
98private:
99    HUDSliderButtonShape m_buttonShape;
100    int m_buttonSize;
101    int m_buttonPosition;
102    int m_dragStartOffset;
103};
104
105class FullscreenVideoController : WebCore::MediaPlayerPrivateFullscreenClient {
106    WTF_MAKE_NONCOPYABLE(FullscreenVideoController);
107public:
108    FullscreenVideoController();
109    virtual ~FullscreenVideoController();
110
111    void setMediaElement(WebCore::HTMLMediaElement*);
112    WebCore::HTMLMediaElement* mediaElement() const { return m_mediaElement.get(); }
113
114    void enterFullscreen();
115    void exitFullscreen();
116
117private:
118    // MediaPlayerPrivateFullscreenWindowClient
119    virtual LRESULT fullscreenClientWndProc(HWND, UINT message, WPARAM, LPARAM);
120
121    void ensureWindow();
122
123    bool canPlay() const;
124    void play();
125    void pause();
126    float volume() const;
127    void setVolume(float);
128    float currentTime() const;
129    void setCurrentTime(float);
130    float duration() const;
131    void beginScrubbing();
132    void endScrubbing();
133
134    WebCore::IntPoint fullscreenToHUDCoordinates(const WebCore::IntPoint& point) const
135    {
136        return WebCore::IntPoint(point.x()- m_hudPosition.x(), point.y() - m_hudPosition.y());
137    }
138
139    static void registerHUDWindowClass();
140    static LRESULT CALLBACK hudWndProc(HWND, UINT message, WPARAM, LPARAM);
141    void createHUDWindow();
142    void timerFired(WebCore::Timer<FullscreenVideoController>*);
143
144    void togglePlay();
145    void draw();
146
147    void onChar(int c);
148    void onMouseDown(const WebCore::IntPoint&);
149    void onMouseMove(const WebCore::IntPoint&);
150    void onMouseUp(const WebCore::IntPoint&);
151    void onKeyDown(int virtualKey);
152
153    RefPtr<WebCore::HTMLMediaElement> m_mediaElement;
154
155    HWND m_hudWindow;
156    OwnPtr<HBITMAP> m_bitmap;
157    WebCore::IntSize m_fullscreenSize;
158    WebCore::IntPoint m_hudPosition;
159    OwnPtr<WebCore::MediaPlayerPrivateFullscreenWindow> m_fullscreenWindow;
160#if USE(ACCELERATED_COMPOSITING)
161    class LayerClient;
162    friend class LayerClient;
163    OwnPtr<LayerClient> m_layerClient;
164    RefPtr<WebCore::PlatformCALayer> m_rootChild;
165#endif
166
167    HUDButton m_playPauseButton;
168    HUDButton m_timeSliderButton;
169    HUDButton m_volumeUpButton;
170    HUDButton m_volumeSliderButton;
171    HUDButton m_volumeDownButton;
172    HUDButton m_exitFullscreenButton;
173    HUDSlider m_volumeSlider;
174    HUDSlider m_timeSlider;
175
176    HUDWidget* m_hitWidget;
177    WebCore::IntPoint m_moveOffset;
178    bool m_movingWindow;
179    WebCore::Timer<FullscreenVideoController> m_timer;
180};
181
182#endif
183
184#endif // FullscreenVideoController_h
185