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1 /*
2  * Copyright (C) 2008, 2009 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  *
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  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14  *     its contributors may be used to endorse or promote products derived
15  *     from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef MediaControlElements_h
30 #define MediaControlElements_h
31 
32 #if ENABLE(VIDEO)
33 
34 #include "HTMLDivElement.h"
35 #include "HTMLInputElement.h"
36 #include "HTMLMediaElement.h"
37 #include "RenderBlock.h"
38 
39 // These are the shadow elements used in RenderMedia
40 
41 namespace WebCore {
42 
43 class Event;
44 class Frame;
45 
46 // Must match WebKitSystemInterface.h
47 enum MediaControlElementType {
48     MediaFullscreenButton = 0,
49     MediaMuteButton,
50     MediaPlayButton,
51     MediaSeekBackButton,
52     MediaSeekForwardButton,
53     MediaSlider,
54     MediaSliderThumb,
55     MediaRewindButton,
56     MediaReturnToRealtimeButton,
57     MediaUnMuteButton,
58     MediaPauseButton,
59     MediaTimelineContainer,
60     MediaCurrentTimeDisplay,
61     MediaTimeRemainingDisplay,
62     MediaStatusDisplay,
63     MediaControlsPanel
64 };
65 
66 class MediaControlShadowRootElement : public HTMLDivElement {
67 public:
68     MediaControlShadowRootElement(Document*, HTMLMediaElement*);
69 
isShadowNode()70     virtual bool isShadowNode() const { return true; }
shadowParentNode()71     virtual Node* shadowParentNode() { return m_mediaElement; }
72 
73     void updateStyle();
74 
75 private:
76     HTMLMediaElement* m_mediaElement;
77 };
78 
79 // ----------------------------
80 
81 class MediaControlElement : public HTMLDivElement {
82 public:
83     MediaControlElement(Document*, PseudoId, HTMLMediaElement*);
84     virtual void attach();
85     virtual bool rendererIsNeeded(RenderStyle*);
86 
87     virtual PassRefPtr<RenderStyle> styleForElement();
88     void attachToParent(Element*);
89     void update();
90     virtual void updateStyle();
91 
92 protected:
93     HTMLMediaElement* m_mediaElement;
94     PseudoId m_pseudoStyleId;
95 };
96 
97 // ----------------------------
98 
99 class MediaControlTimelineContainerElement : public MediaControlElement {
100 public:
101     MediaControlTimelineContainerElement(Document*, HTMLMediaElement*);
102     virtual bool rendererIsNeeded(RenderStyle*);
103 };
104 
105 // ----------------------------
106 
107 class MediaControlStatusDisplayElement : public MediaControlElement {
108 public:
109     MediaControlStatusDisplayElement(Document*, HTMLMediaElement*);
110     virtual void update();
111     virtual bool rendererIsNeeded(RenderStyle*);
112 private:
113     enum StateBeingDisplayed { Nothing, Loading, LiveBroadcast };
114     StateBeingDisplayed m_stateBeingDisplayed;
115 };
116 
117 // ----------------------------
118 
119 class MediaControlInputElement : public HTMLInputElement {
120 public:
121     MediaControlInputElement(Document*, PseudoId, const String& type, HTMLMediaElement*, MediaControlElementType);
122     virtual void attach();
123     virtual bool rendererIsNeeded(RenderStyle*);
124 
125     virtual PassRefPtr<RenderStyle> styleForElement();
126     void attachToParent(Element*);
127     void update();
128     void updateStyle();
129 
130     bool hitTest(const IntPoint& absPoint);
displayType()131     MediaControlElementType displayType() const { return m_displayType; }
132 
133 protected:
updateDisplayType()134     virtual void updateDisplayType() { }
135     void setDisplayType(MediaControlElementType);
136 
137     HTMLMediaElement* m_mediaElement;
138     PseudoId m_pseudoStyleId;
139     MediaControlElementType m_displayType;  // some elements can show multiple types (e.g. play/pause)
140 };
141 
142 // ----------------------------
143 
144 class MediaControlMuteButtonElement : public MediaControlInputElement {
145 public:
146     MediaControlMuteButtonElement(Document*, HTMLMediaElement*);
147     virtual void defaultEventHandler(Event*);
148     virtual void updateDisplayType();
149 };
150 
151 // ----------------------------
152 
153 class MediaControlPlayButtonElement : public MediaControlInputElement {
154 public:
155     MediaControlPlayButtonElement(Document*, HTMLMediaElement*);
156     virtual void defaultEventHandler(Event*);
157     virtual void updateDisplayType();
158 };
159 
160 // ----------------------------
161 
162 class MediaControlSeekButtonElement : public MediaControlInputElement {
163 public:
164     MediaControlSeekButtonElement(Document*, HTMLMediaElement*, bool forward);
165     virtual void defaultEventHandler(Event*);
166     virtual void detach();
167     void seekTimerFired(Timer<MediaControlSeekButtonElement>*);
168 
169 private:
170     bool m_forward;
171     bool m_seeking;
172     bool m_capturing;
173     Timer<MediaControlSeekButtonElement> m_seekTimer;
174 };
175 
176 // ----------------------------
177 
178 class MediaControlRewindButtonElement : public MediaControlInputElement {
179 public:
180     MediaControlRewindButtonElement(Document*, HTMLMediaElement*);
181     virtual void defaultEventHandler(Event*);
182     virtual bool rendererIsNeeded(RenderStyle*);
183 };
184 
185 // ----------------------------
186 
187 class MediaControlReturnToRealtimeButtonElement : public MediaControlInputElement {
188 public:
189     MediaControlReturnToRealtimeButtonElement(Document*, HTMLMediaElement*);
190     virtual void defaultEventHandler(Event*);
191     virtual bool rendererIsNeeded(RenderStyle*);
192 };
193 
194 // ----------------------------
195 
196 class MediaControlTimelineElement : public MediaControlInputElement {
197 public:
198     MediaControlTimelineElement(Document*, HTMLMediaElement*);
199     virtual void defaultEventHandler(Event*);
200     void update(bool updateDuration = true);
201 };
202 
203 // ----------------------------
204 
205 class MediaControlFullscreenButtonElement : public MediaControlInputElement {
206 public:
207     MediaControlFullscreenButtonElement(Document*, HTMLMediaElement*);
208     virtual void defaultEventHandler(Event*);
209     virtual bool rendererIsNeeded(RenderStyle*);
210 };
211 
212 // ----------------------------
213 
214 class MediaControlTimeDisplayElement : public MediaControlElement {
215 public:
216     MediaControlTimeDisplayElement(Document*, PseudoId, HTMLMediaElement*);
217     void setVisible(bool);
218     virtual PassRefPtr<RenderStyle> styleForElement();
219 
220 private:
221     bool m_isVisible;
222 };
223 
224 // ----------------------------
225 
226 class RenderMediaControlShadowRoot : public RenderBlock {
227 public:
RenderMediaControlShadowRoot(Element * e)228     RenderMediaControlShadowRoot(Element* e) : RenderBlock(e) { }
setParent(RenderObject * p)229     void setParent(RenderObject* p) { RenderObject::setParent(p); }
230 };
231 
232 // ----------------------------
233 
234 
235 } //namespace WebCore
236 #endif // enable(video)
237 #endif // MediaControlElements_h
238