WebCore/rendering/RenderMedia.h
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/RenderMedia.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,167 @@
+/*
+ * Copyright (C) 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef RenderMedia_h
+#define RenderMedia_h
+
+#if ENABLE(VIDEO)
+
+#include "RenderImage.h"
+#include "Timer.h"
+
+namespace WebCore {
+    
+class HTMLInputElement;
+class HTMLMediaElement;
+class MediaControlMuteButtonElement;
+class MediaControlPlayButtonElement;
+class MediaControlSeekButtonElement;
+class MediaControlRewindButtonElement;
+class MediaControlReturnToRealtimeButtonElement;
+class MediaControlToggleClosedCaptionsButtonElement;
+class MediaControlTimelineElement;
+class MediaControlVolumeSliderElement;
+class MediaControlFullscreenButtonElement;
+class MediaControlTimeDisplayElement;
+class MediaControlStatusDisplayElement;
+class MediaControlTimelineContainerElement;
+class MediaControlVolumeSliderContainerElement;
+class MediaControlElement;
+class MediaPlayer;
+
+class RenderMedia : public RenderImage {
+public:
+    RenderMedia(HTMLMediaElement*);
+    RenderMedia(HTMLMediaElement*, const IntSize& intrinsicSize);
+    virtual ~RenderMedia();
+
+    const RenderObjectChildList* children() const { return &m_children; }
+    RenderObjectChildList* children() { return &m_children; }
+
+    HTMLMediaElement* mediaElement() const;
+    MediaPlayer* player() const;
+
+    bool shouldShowTimeDisplayControls() const;
+
+    void updateFromElement();
+    void updatePlayer();
+    void updateControls();
+    void updateTimeDisplay();
+    
+    void forwardEvent(Event*);
+
+protected:
+    virtual void layout();
+
+private:
+    virtual RenderObjectChildList* virtualChildren() { return children(); }
+    virtual const RenderObjectChildList* virtualChildren() const { return children(); }
+
+    virtual void destroy();
+    
+    virtual const char* renderName() const { return "RenderMedia"; }
+    virtual bool isMedia() const { return true; }
+    virtual bool isImage() const { return false; }
+
+    virtual int lowestPosition(bool includeOverflowInterior = true, bool includeSelf = true) const;
+    virtual int rightmostPosition(bool includeOverflowInterior = true, bool includeSelf = true) const;
+    virtual int leftmostPosition(bool includeOverflowInterior = true, bool includeSelf = true) const;
+
+    void createControlsShadowRoot();
+    void destroyControlsShadowRoot();
+    void createPanel();
+    void createMuteButton();
+    void createPlayButton();
+    void createSeekBackButton();
+    void createSeekForwardButton();
+    void createRewindButton();
+    void createReturnToRealtimeButton();
+    void createToggleClosedCaptionsButton();
+    void createStatusDisplay();
+    void createTimelineContainer();
+    void createTimeline();
+    void createVolumeSliderContainer();
+    void createVolumeSlider();
+    void createVolumeSliderMuteButton();
+    void createCurrentTimeDisplay();
+    void createTimeRemainingDisplay();
+    void createFullscreenButton();
+    
+    void timeUpdateTimerFired(Timer<RenderMedia>*);
+    
+    void updateControlVisibility();
+    void changeOpacity(HTMLElement*, float opacity);
+    void opacityAnimationTimerFired(Timer<RenderMedia>*);
+
+    void updateVolumeSliderContainer(bool visible);
+
+    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
+
+    virtual bool requiresForcedStyleRecalcPropagation() const { return true; }
+
+    RefPtr<HTMLElement> m_controlsShadowRoot;
+    RefPtr<MediaControlElement> m_panel;
+    RefPtr<MediaControlMuteButtonElement> m_muteButton;
+    RefPtr<MediaControlPlayButtonElement> m_playButton;
+    RefPtr<MediaControlSeekButtonElement> m_seekBackButton;
+    RefPtr<MediaControlSeekButtonElement> m_seekForwardButton;
+    RefPtr<MediaControlRewindButtonElement> m_rewindButton;
+    RefPtr<MediaControlReturnToRealtimeButtonElement> m_returnToRealtimeButton;
+    RefPtr<MediaControlToggleClosedCaptionsButtonElement> m_toggleClosedCaptionsButton;
+    RefPtr<MediaControlTimelineElement> m_timeline;
+    RefPtr<MediaControlVolumeSliderElement> m_volumeSlider;
+    RefPtr<MediaControlMuteButtonElement> m_volumeSliderMuteButton;
+    RefPtr<MediaControlFullscreenButtonElement> m_fullscreenButton;
+    RefPtr<MediaControlTimelineContainerElement> m_timelineContainer;
+    RefPtr<MediaControlVolumeSliderContainerElement> m_volumeSliderContainer;
+    RefPtr<MediaControlTimeDisplayElement> m_currentTimeDisplay;
+    RefPtr<MediaControlTimeDisplayElement> m_timeRemainingDisplay;
+    RefPtr<MediaControlStatusDisplayElement> m_statusDisplay;
+    RenderObjectChildList m_children;
+    Node* m_lastUnderNode;
+    Node* m_nodeUnderMouse;
+    
+    Timer<RenderMedia> m_timeUpdateTimer;
+    Timer<RenderMedia> m_opacityAnimationTimer;
+    bool m_mouseOver;
+    double m_opacityAnimationStartTime;
+    double m_opacityAnimationDuration;
+    float m_opacityAnimationFrom;
+    float m_opacityAnimationTo;
+};
+
+inline RenderMedia* toRenderMedia(RenderObject* object)
+{
+    ASSERT(!object || object->isMedia());
+    return static_cast<RenderMedia*>(object);
+}
+
+// This will catch anyone doing an unnecessary cast.
+void toRenderMedia(const RenderMedia*);
+
+} // namespace WebCore
+
+#endif
+#endif // RenderMedia_h