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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     MediaShowClosedCaptionsButton,
58     MediaHideClosedCaptionsButton,
59     MediaUnMuteButton,
60     MediaPauseButton,
61     MediaTimelineContainer,
62     MediaCurrentTimeDisplay,
63     MediaTimeRemainingDisplay,
64     MediaStatusDisplay,
65     MediaControlsPanel,
66     MediaVolumeSliderContainer,
67     MediaVolumeSlider,
68     MediaVolumeSliderThumb
69 };
70 
71 HTMLMediaElement* toParentMediaElement(RenderObject*);
72 
73 class MediaControlShadowRootElement : public HTMLDivElement {
74 public:
75     MediaControlShadowRootElement(Document*, HTMLMediaElement*);
76 
isShadowNode()77     virtual bool isShadowNode() const { return true; }
shadowParentNode()78     virtual Node* shadowParentNode() { return m_mediaElement; }
79 
80     void updateStyle();
81 
82 private:
83     HTMLMediaElement* m_mediaElement;
84 };
85 
86 // ----------------------------
87 
88 class MediaControlElement : public HTMLDivElement {
89 public:
90     MediaControlElement(Document*, PseudoId, HTMLMediaElement*);
91     virtual void attach();
92     virtual bool rendererIsNeeded(RenderStyle*);
93 
94     virtual PassRefPtr<RenderStyle> styleForElement();
95     void attachToParent(Element*);
96     void update();
97     virtual void updateStyle();
98 
displayType()99     MediaControlElementType displayType() const { return m_displayType; }
100 
mediaElement()101     HTMLMediaElement* mediaElement() const { return m_mediaElement; }
isMediaControlElement()102     virtual bool isMediaControlElement() const { return true; }
103 
104 protected:
105     HTMLMediaElement* m_mediaElement;
106     PseudoId m_pseudoStyleId;
107     MediaControlElementType m_displayType;  // some elements can show multiple types (e.g. play/pause)
108 };
109 
110 // ----------------------------
111 
112 class MediaControlTimelineContainerElement : public MediaControlElement {
113 public:
114     MediaControlTimelineContainerElement(Document*, HTMLMediaElement*);
115     virtual bool rendererIsNeeded(RenderStyle*);
116 };
117 
118 // ----------------------------
119 
120 class MediaControlVolumeSliderContainerElement : public MediaControlElement {
121 public:
122     MediaControlVolumeSliderContainerElement(Document*, HTMLMediaElement*);
123     virtual PassRefPtr<RenderStyle> styleForElement();
124     void setVisible(bool);
isVisible()125     bool isVisible() { return m_isVisible; }
126     void setPosition(int x, int y);
127     bool hitTest(const IntPoint& absPoint);
128 
129 private:
130     bool m_isVisible;
131     int m_x, m_y;
132 };
133 
134 // ----------------------------
135 
136 class MediaControlStatusDisplayElement : public MediaControlElement {
137 public:
138     MediaControlStatusDisplayElement(Document*, HTMLMediaElement*);
139     virtual void update();
140     virtual bool rendererIsNeeded(RenderStyle*);
141 private:
142     enum StateBeingDisplayed { Nothing, Loading, LiveBroadcast };
143     StateBeingDisplayed m_stateBeingDisplayed;
144 };
145 
146 // ----------------------------
147 
148 class MediaControlInputElement : public HTMLInputElement {
149 public:
150     MediaControlInputElement(Document*, PseudoId, const String& type, HTMLMediaElement*);
151     virtual void attach();
152     virtual bool rendererIsNeeded(RenderStyle*);
153 
154     virtual PassRefPtr<RenderStyle> styleForElement();
155     void attachToParent(Element*);
156     void update();
157     void updateStyle();
158 
159     bool hitTest(const IntPoint& absPoint);
displayType()160     MediaControlElementType displayType() const { return m_displayType; }
161 
mediaElement()162     HTMLMediaElement* mediaElement() const { return m_mediaElement; }
isMediaControlElement()163     virtual bool isMediaControlElement() const { return true; }
164 
165 protected:
updateDisplayType()166     virtual void updateDisplayType() { }
167     void setDisplayType(MediaControlElementType);
168 
169     HTMLMediaElement* m_mediaElement;
170     PseudoId m_pseudoStyleId;
171     MediaControlElementType m_displayType;
172 };
173 
174 // ----------------------------
175 
176 class MediaControlMuteButtonElement : public MediaControlInputElement {
177 public:
178     MediaControlMuteButtonElement(Document*, HTMLMediaElement*);
179     virtual void defaultEventHandler(Event*);
180     virtual void updateDisplayType();
181 };
182 
183 // ----------------------------
184 
185 class MediaControlPlayButtonElement : public MediaControlInputElement {
186 public:
187     MediaControlPlayButtonElement(Document*, HTMLMediaElement*);
188     virtual void defaultEventHandler(Event*);
189     virtual void updateDisplayType();
190 };
191 
192 // ----------------------------
193 
194 class MediaControlSeekButtonElement : public MediaControlInputElement {
195 public:
196     MediaControlSeekButtonElement(Document*, HTMLMediaElement*, bool forward);
197     virtual void defaultEventHandler(Event*);
198     virtual void detach();
199     void seekTimerFired(Timer<MediaControlSeekButtonElement>*);
200 
201 private:
202     bool m_forward;
203     bool m_seeking;
204     bool m_capturing;
205     Timer<MediaControlSeekButtonElement> m_seekTimer;
206 };
207 
208 // ----------------------------
209 
210 class MediaControlRewindButtonElement : public MediaControlInputElement {
211 public:
212     MediaControlRewindButtonElement(Document*, HTMLMediaElement*);
213     virtual void defaultEventHandler(Event*);
214 };
215 
216 // ----------------------------
217 
218 class MediaControlReturnToRealtimeButtonElement : public MediaControlInputElement {
219 public:
220     MediaControlReturnToRealtimeButtonElement(Document*, HTMLMediaElement*);
221     virtual void defaultEventHandler(Event*);
222 };
223 
224 // ----------------------------
225 
226 class MediaControlToggleClosedCaptionsButtonElement : public MediaControlInputElement {
227 public:
228     MediaControlToggleClosedCaptionsButtonElement(Document*, HTMLMediaElement*);
229     virtual void defaultEventHandler(Event*);
230     virtual void updateDisplayType();
231 };
232 
233 // ----------------------------
234 
235 class MediaControlTimelineElement : public MediaControlInputElement {
236 public:
237     MediaControlTimelineElement(Document*, HTMLMediaElement*);
238     virtual void defaultEventHandler(Event*);
239     void update(bool updateDuration = true);
240 };
241 
242 // ----------------------------
243 
244 class MediaControlVolumeSliderElement : public MediaControlInputElement {
245 public:
246     MediaControlVolumeSliderElement(Document*, HTMLMediaElement*);
247     virtual void defaultEventHandler(Event*);
248     virtual void update();
249 };
250 
251 // ----------------------------
252 
253 class MediaControlFullscreenButtonElement : public MediaControlInputElement {
254 public:
255     MediaControlFullscreenButtonElement(Document*, HTMLMediaElement*);
256     virtual void defaultEventHandler(Event*);
257 };
258 
259 // ----------------------------
260 
261 class MediaControlTimeDisplayElement : public MediaControlElement {
262 public:
263     MediaControlTimeDisplayElement(Document*, PseudoId, HTMLMediaElement*);
264     void setVisible(bool);
265     virtual PassRefPtr<RenderStyle> styleForElement();
266 
267     void setCurrentValue(float);
currentValue()268     float currentValue() const { return m_currentValue; }
269 
270 private:
271     float m_currentValue;
272     bool m_isVisible;
273 };
274 
275 // ----------------------------
276 
277 class RenderMediaControlShadowRoot : public RenderBlock {
278 public:
RenderMediaControlShadowRoot(Element * e)279     RenderMediaControlShadowRoot(Element* e) : RenderBlock(e) { }
setParent(RenderObject * p)280     void setParent(RenderObject* p) { RenderObject::setParent(p); }
281 };
282 
283 // ----------------------------
284 
285 
286 } //namespace WebCore
287 #endif // enable(video)
288 #endif // MediaControlElements_h
289