webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 71 insertions, 0 deletions

diff --git a/Source/WebCore/rendering/RenderVTTCue.h b/Source/WebCore/rendering/RenderVTTCue.h
new file mode 100644
index 000000000..d85e53963
--- /dev/null
+++ b/Source/WebCore/rendering/RenderVTTCue.h
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2012 Victor Carbune (victor@rosedu.org)
+ *
+ * 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 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 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. 
+ */
+
+#pragma once
+
+#if ENABLE(VIDEO_TRACK)
+
+#include "FloatPoint.h"
+#include "RenderBlockFlow.h"
+#include "RenderInline.h"
+
+namespace WebCore {
+
+class RenderBox;
+class VTTCue;
+class VTTCueBox;
+
+class RenderVTTCue final : public RenderBlockFlow {
+public:
+    RenderVTTCue(VTTCueBox&, RenderStyle&&);
+
+private:
+    void layout() override;
+
+    bool isOutside() const;
+    bool rectIsWithinContainer(const IntRect&) const;
+    bool isOverlapping() const;
+    RenderObject* overlappingObject() const;
+    RenderObject* overlappingObjectForRect(const IntRect&) const;
+    bool shouldSwitchDirection(InlineFlowBox*, LayoutUnit) const;
+
+    void moveBoxesByStep(LayoutUnit);
+    bool switchDirection(bool&, LayoutUnit&);
+    void moveIfNecessaryToKeepWithinContainer();
+    bool findNonOverlappingPosition(int& x, int& y) const;
+
+    bool initializeLayoutParameters(InlineFlowBox*&, LayoutUnit&, LayoutUnit&);
+    void placeBoxInDefaultPosition(LayoutUnit, bool&);
+    void repositionCueSnapToLinesSet();
+    void repositionCueSnapToLinesNotSet();
+    void repositionGenericCue();
+
+    VTTCue* m_cue;
+    FloatPoint m_fallbackPosition;
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(VIDEO_TRACK)