Imported QtWebKit TP3 (git b57bc6801f1876c3220d5a4bfea33d620d477443)

Change-Id: I3b1d8a2808782c9f34d50240000e20cb38d3680f
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>

1 files changed, 0 insertions, 361 deletions

diff --git a/Source/WebCore/rendering/RenderTextTrackCue.cpp b/Source/WebCore/rendering/RenderTextTrackCue.cpp
deleted file mode 100644
index fd88b77ad..000000000
--- a/Source/WebCore/rendering/RenderTextTrackCue.cpp
+++ /dev/null
@@ -1,361 +0,0 @@
-/*
- * 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 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. 
- */
-
-#include "config.h"
-
-#if ENABLE(VIDEO_TRACK)
-
-#include "RenderTextTrackCue.h"
-
-#include "TextTrackCue.h"
-#include "TextTrackCueGeneric.h"
-#include <wtf/StackStats.h>
-
-namespace WebCore {
-
-RenderTextTrackCue::RenderTextTrackCue(TextTrackCueBox* element)
-    : RenderBlock(element)
-    , m_cue(element->getCue())
-{
-}
-
-void RenderTextTrackCue::layout()
-{
-    StackStats::LayoutCheckPoint layoutCheckPoint;
-    RenderBlock::layout();
-
-    LayoutStateMaintainer statePusher(view(), this, locationOffset(), hasTransform() || hasReflection() || style()->isFlippedBlocksWritingMode());
-    
-    if (m_cue->cueType()== TextTrackCue::WebVTT) {
-        if (m_cue->snapToLines())
-            repositionCueSnapToLinesSet();
-        else
-            repositionCueSnapToLinesNotSet();
-    } else
-        repositionGenericCue();
-
-    statePusher.pop();
-}
-
-bool RenderTextTrackCue::initializeLayoutParameters(InlineFlowBox*& firstLineBox, LayoutUnit& step, LayoutUnit& position)
-{
-    ASSERT(firstChild());
-
-    RenderBlock* parentBlock = containingBlock();
-    firstLineBox = toRenderInline(firstChild())->firstLineBox();
-
-    // 1. Horizontal: Let step be the height of the first line box in boxes.
-    //    Vertical: Let step be the width of the first line box in boxes.
-    step = m_cue->getWritingDirection() == TextTrackCue::Horizontal ? firstLineBox->height() : firstLineBox->width();
-
-    // 2. If step is zero, then jump to the step labeled done positioning below.
-    if (!step)
-        return false;
-
-    // 3. Let line position be the text track cue computed line position.
-    int linePosition = m_cue->calculateComputedLinePosition();
-
-    // 4. Vertical Growing Left: Add one to line position then negate it.
-    if (m_cue->getWritingDirection() == TextTrackCue::VerticalGrowingLeft)
-        linePosition = -(linePosition + 1);
-
-    // 5. Let position be the result of multiplying step and line position.
-    position = step * linePosition;
-
-    // 6. Vertical Growing Left: Decrease position by the width of the
-    // bounding box of the boxes in boxes, then increase position by step.
-    if (m_cue->getWritingDirection() == TextTrackCue::VerticalGrowingLeft) {
-        position -= width();
-        position += step;
-    }
-
-    // 7. If line position is less than zero...
-    if (linePosition < 0) {
-        // Horizontal / Vertical: ... then increase position by the
-        // height / width of the video's rendering area ...
-        position += m_cue->getWritingDirection() == TextTrackCue::Horizontal ? parentBlock->height() : parentBlock->width();
-
-        // ... and negate step.
-        step = -step;
-    }
-
-    return true;
-}
-
-void RenderTextTrackCue::placeBoxInDefaultPosition(LayoutUnit position, bool& switched)
-{
-    // 8. Move all boxes in boxes ...
-    if (m_cue->getWritingDirection() == TextTrackCue::Horizontal)
-        // Horizontal: ... down by the distance given by position
-        setY(y() + position);
-    else
-        // Vertical: ... right by the distance given by position
-        setX(x() + position);
-
-    // 9. Default: Remember the position of all the boxes in boxes as their
-    // default position.
-    m_fallbackPosition = FloatPoint(x(), y());
-
-    // 10. Let switched be false.
-    switched = false;
-}
-
-bool RenderTextTrackCue::isOutside() const
-{
-    return !rectIsWithinContainer(absoluteContentBox());
-}
-
-bool RenderTextTrackCue::rectIsWithinContainer(const IntRect& rect) const
-{
-    return containingBlock()->absoluteBoundingBoxRect().contains(rect);
-}
-
-
-bool RenderTextTrackCue::isOverlapping() const
-{
-    return overlappingObject();
-}
-
-RenderObject* RenderTextTrackCue::overlappingObject() const
-{
-    return overlappingObjectForRect(absoluteBoundingBoxRect());
-}
-
-RenderObject* RenderTextTrackCue::overlappingObjectForRect(const IntRect& rect) const
-{
-    for (RenderObject* box = previousSibling(); box; box = box->previousSibling()) {
-        IntRect boxRect = box->absoluteBoundingBoxRect();
-
-        if (rect.intersects(boxRect))
-            return box;
-    }
-
-    return 0;
-}
-
-bool RenderTextTrackCue::shouldSwitchDirection(InlineFlowBox* firstLineBox, LayoutUnit step) const
-{
-    LayoutUnit top = y();
-    LayoutUnit left = x();
-    LayoutUnit bottom = top + firstLineBox->height();
-    LayoutUnit right = left + firstLineBox->width();
-
-    // 12. Horizontal: If step is negative and the top of the first line
-    // box in boxes is now above the top of the video's rendering area,
-    // or if step is positive and the bottom of the first line box in
-    // boxes is now below the bottom of the video's rendering area, jump
-    // to the step labeled switch direction.
-    LayoutUnit parentHeight = containingBlock()->height();
-    if (m_cue->getWritingDirection() == TextTrackCue::Horizontal && ((step < 0 && top < 0) || (step > 0 && bottom > parentHeight)))
-        return true;
-
-    // 12. Vertical: If step is negative and the left edge of the first line
-    // box in boxes is now to the left of the left edge of the video's
-    // rendering area, or if step is positive and the right edge of the
-    // first line box in boxes is now to the right of the right edge of
-    // the video's rendering area, jump to the step labeled switch direction.
-    LayoutUnit parentWidth = containingBlock()->width();
-    if (m_cue->getWritingDirection() != TextTrackCue::Horizontal && ((step < 0 && left < 0) || (step > 0 && right > parentWidth)))
-        return true;
-
-    return false;
-}
-
-void RenderTextTrackCue::moveBoxesByStep(LayoutUnit step)
-{
-    // 13. Horizontal: Move all the boxes in boxes down by the distance
-    // given by step. (If step is negative, then this will actually
-    // result in an upwards movement of the boxes in absolute terms.)
-    if (m_cue->getWritingDirection() == TextTrackCue::Horizontal)
-        setY(y() + step);
-
-    // 13. Vertical: Move all the boxes in boxes right by the distance
-    // given by step. (If step is negative, then this will actually
-    // result in a leftwards movement of the boxes in absolute terms.)
-    else
-        setX(x() + step);
-}
-
-bool RenderTextTrackCue::switchDirection(bool& switched, LayoutUnit& step)
-{
-    // 15. Switch direction: Move all the boxes in boxes back to their
-    // default position as determined in the step above labeled default.
-    setX(m_fallbackPosition.x());
-    setY(m_fallbackPosition.y());
-
-    // 16. If switched is true, jump to the step labeled done
-    // positioning below.
-    if (switched)
-        return false;
-
-    // 17. Negate step.
-    step = -step;
-
-    // 18. Set switched to true.
-    switched = true;
-    return true;
-}
-
-void RenderTextTrackCue::moveIfNecessaryToKeepWithinContainer()
-{
-    IntRect containerRect = containingBlock()->absoluteBoundingBoxRect();
-    IntRect cueRect = absoluteBoundingBoxRect();
-
-    int topOverflow = cueRect.y() - containerRect.y();
-    int bottomOverflow = containerRect.maxY() - cueRect.maxY();
-
-    int verticalAdjustment = 0;
-    if (topOverflow < 0)
-        verticalAdjustment = -topOverflow;
-    else if (bottomOverflow < 0)
-        verticalAdjustment = bottomOverflow;
-
-    if (verticalAdjustment)
-        setY(y() + verticalAdjustment);
-
-    int leftOverflow = cueRect.x() - containerRect.x();
-    int rightOverflow = containerRect.maxX() - cueRect.maxX();
-
-    int horizontalAdjustment = 0;
-    if (leftOverflow < 0)
-        horizontalAdjustment = -leftOverflow;
-    else if (rightOverflow < 0)
-        horizontalAdjustment = rightOverflow;
-
-    if (horizontalAdjustment)
-        setX(x() + horizontalAdjustment);
-}
-
-bool RenderTextTrackCue::findNonOverlappingPosition(int& newX, int& newY) const
-{
-    newX = x();
-    newY = y();
-    IntRect srcRect = absoluteBoundingBoxRect();
-    IntRect destRect = srcRect;
-
-    // Move the box up, looking for a non-overlapping position:
-    while (RenderObject* box = overlappingObjectForRect(destRect)) {
-        if (m_cue->getWritingDirection() == TextTrackCue::Horizontal)
-            destRect.setY(box->absoluteBoundingBoxRect().y() - destRect.height());
-        else
-            destRect.setX(box->absoluteBoundingBoxRect().x() - destRect.width());
-    }
-
-    if (rectIsWithinContainer(destRect)) {
-        newX += destRect.x() - srcRect.x();
-        newY += destRect.y() - srcRect.y();
-        return true;
-    }
-
-    destRect = srcRect;
-
-    // Move the box down, looking for a non-overlapping position:
-    while (RenderObject* box = overlappingObjectForRect(destRect)) {
-        if (m_cue->getWritingDirection() == TextTrackCue::Horizontal)
-            destRect.setY(box->absoluteBoundingBoxRect().maxY());
-        else
-            destRect.setX(box->absoluteBoundingBoxRect().maxX());
-    }
-
-    if (rectIsWithinContainer(destRect)) {
-        newX += destRect.x() - srcRect.x();
-        newY += destRect.y() - srcRect.y();
-        return true;
-    }
-
-    return false;
-}
-
-void RenderTextTrackCue::repositionCueSnapToLinesSet()
-{
-    InlineFlowBox* firstLineBox;
-    LayoutUnit step;
-    LayoutUnit position;
-    if (!initializeLayoutParameters(firstLineBox, step, position))
-        return;
-
-    bool switched;
-    placeBoxInDefaultPosition(position, switched);
-
-    // 11. Step loop: If none of the boxes in boxes would overlap any of the boxes
-    // in output and all the boxes in output are within the video's rendering area
-    // then jump to the step labeled done positioning.
-    while (isOutside() || isOverlapping()) {
-        if (!shouldSwitchDirection(firstLineBox, step))
-            // 13. Move all the boxes in boxes ...
-            // 14. Jump back to the step labeled step loop.
-            moveBoxesByStep(step);
-        else if (!switchDirection(switched, step))
-            break;
-
-        // 19. Jump back to the step labeled step loop.
-    }
-
-    // Acommodate extra top and bottom padding, border or margin.
-    // Note: this is supported only for internal UA styling, not through the cue selector.
-    if (hasInlineDirectionBordersPaddingOrMargin())
-        moveIfNecessaryToKeepWithinContainer();
-}
-
-void RenderTextTrackCue::repositionGenericCue()
-{
-    ASSERT(firstChild());
-    InlineFlowBox* firstLineBox = toRenderInline(firstChild())->firstLineBox();
-    if (static_cast<TextTrackCueGeneric*>(m_cue)->useDefaultPosition() && firstLineBox) {
-        LayoutUnit parentWidth = containingBlock()->logicalWidth();
-        LayoutUnit width = firstLineBox->width();
-        LayoutUnit right = (parentWidth / 2) - (width / 2);
-        setX(right);
-    }
-    repositionCueSnapToLinesNotSet();
-}
-
-void RenderTextTrackCue::repositionCueSnapToLinesNotSet()
-{
-    // 3. If none of the boxes in boxes would overlap any of the boxes in output, and all the boxes in
-    // output are within the video's rendering area, then jump to the step labeled done positioning below.
-    if (!isOutside() && !isOverlapping())
-        return;
-
-    // 4. If there is a position to which the boxes in boxes can be moved while maintaining the relative
-    // positions of the boxes in boxes to each other such that none of the boxes in boxes would overlap
-    // any of the boxes in output, and all the boxes in output would be within the video's rendering area,
-    // then move the boxes in boxes to the closest such position to their current position, and then jump
-    // to the step labeled done positioning below. If there are multiple such positions that are equidistant
-    // from their current position, use the highest one amongst them; if there are several at that height,
-    // then use the leftmost one amongst them.
-    moveIfNecessaryToKeepWithinContainer();
-    int x = 0;
-    int y = 0;
-    if (!findNonOverlappingPosition(x, y))
-        return;
-
-    setX(x);
-    setY(y);
-}
-
-} // namespace WebCore
-
-#endif