remove unused view files

src/views/SkStackViewLayout.cpp

-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#include "SkStackViewLayout.h"
-
-SkStackViewLayout::SkStackViewLayout()
-{
-    fMargin.set(0, 0, 0, 0);
-    fSpacer    = 0;
-    fOrient    = kHorizontal_Orient;
-    fPack    = kStart_Pack;
-    fAlign    = kStart_Align;
-    fRound    = false;
-}
-
-void SkStackViewLayout::setOrient(Orient ori)
-{
-    SkASSERT((unsigned)ori < kOrientCount);
-    fOrient = SkToU8(ori);
-}
-
-void SkStackViewLayout::getMargin(SkRect* margin) const
-{
-    if (margin)
-        *margin = fMargin;
-}
-
-void SkStackViewLayout::setMargin(const SkRect& margin)
-{
-    fMargin = margin;
-}
-
-void SkStackViewLayout::setSpacer(SkScalar spacer)
-{
-    fSpacer = spacer;
-}
-
-void SkStackViewLayout::setPack(Pack pack)
-{
-    SkASSERT((unsigned)pack < kPackCount);
-    fPack = SkToU8(pack);
-}
-
-void SkStackViewLayout::setAlign(Align align)
-{
-    SkASSERT((unsigned)align < kAlignCount);
-    fAlign = SkToU8(align);
-}
-
-void SkStackViewLayout::setRound(bool r)
-{
-    fRound = SkToU8(r);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-
-typedef SkScalar (*AlignProc)(SkScalar childLimit, SkScalar parentLimit);
-typedef SkScalar (SkView::*GetSizeProc)() const;
-typedef void (SkView::*SetLocProc)(SkScalar coord);
-typedef void (SkView::*SetSizeProc)(SkScalar coord);
-
-static SkScalar left_align_proc(SkScalar childLimit, SkScalar parentLimit) { return 0; }
-static SkScalar center_align_proc(SkScalar childLimit, SkScalar parentLimit) { return SkScalarHalf(parentLimit - childLimit); }
-static SkScalar right_align_proc(SkScalar childLimit, SkScalar parentLimit) { return parentLimit - childLimit; }
-static SkScalar fill_align_proc(SkScalar childLimit, SkScalar parentLimit) { return 0; }
-
-/*    Measure the main-dimension for all the children. If a child is marked flex in that direction
-    ignore its current value but increment the counter for flexChildren
-*/
-static SkScalar compute_children_limit(SkView* parent, GetSizeProc sizeProc, int* count,
-                                       uint32_t flexMask, int* flexCount)
-{
-    SkView::B2FIter    iter(parent);
-    SkView*            child;
-    SkScalar        limit = 0;
-    int                n = 0, flex = 0;
-
-    while ((child = iter.next()) != nullptr)
-    {
-        n += 1;
-        if (child->getFlags() & flexMask)
-            flex += 1;
-        else
-            limit += (child->*sizeProc)();
-    }
-    if (count)
-        *count = n;
-    if (flexCount)
-        *flexCount = flex;
-    return limit;
-}
-
-void SkStackViewLayout::onLayoutChildren(SkView* parent)
-{
-    static AlignProc gAlignProcs[] = {
-        left_align_proc,
-        center_align_proc,
-        right_align_proc,
-        fill_align_proc
-    };
-
-    SkScalar            startM, endM, crossStartM, crossLimit;
-    GetSizeProc            mainGetSizeP, crossGetSizeP;
-    SetLocProc            mainLocP, crossLocP;
-    SetSizeProc            mainSetSizeP, crossSetSizeP;
-    SkView::Flag_Mask    flexMask;
-
-    if (fOrient == kHorizontal_Orient)
-    {
-        startM        = fMargin.fLeft;
-        endM        = fMargin.fRight;
-        crossStartM    = fMargin.fTop;
-        crossLimit    = -fMargin.fTop - fMargin.fBottom;
-
-        mainGetSizeP    = &SkView::width;
-        crossGetSizeP    = &SkView::height;
-        mainLocP    = &SkView::setLocX;
-        crossLocP    = &SkView::setLocY;
-
-        mainSetSizeP  = &SkView::setWidth;
-        crossSetSizeP = &SkView::setHeight;
-
-        flexMask    = SkView::kFlexH_Mask;
-    }
-    else
-    {
-        startM        = fMargin.fTop;
-        endM        = fMargin.fBottom;
-        crossStartM    = fMargin.fLeft;
-        crossLimit    = -fMargin.fLeft - fMargin.fRight;
-
-        mainGetSizeP    = &SkView::height;
-        crossGetSizeP    = &SkView::width;
-        mainLocP    = &SkView::setLocY;
-        crossLocP    = &SkView::setLocX;
-
-        mainSetSizeP  = &SkView::setHeight;
-        crossSetSizeP = &SkView::setWidth;
-
-        flexMask    = SkView::kFlexV_Mask;
-    }
-    crossLimit += (parent->*crossGetSizeP)();
-    if (fAlign != kStretch_Align)
-        crossSetSizeP = nullptr;
-
-    int            childCount, flexCount;
-    SkScalar    childLimit = compute_children_limit(parent, mainGetSizeP, &childCount, flexMask, &flexCount);
-
-    if (childCount == 0)
-        return;
-
-    childLimit += (childCount - 1) * fSpacer;
-
-    SkScalar        parentLimit = (parent->*mainGetSizeP)() - startM - endM;
-    SkScalar        pos = startM + gAlignProcs[fPack](childLimit, parentLimit);
-    SkScalar        flexAmount = 0;
-    SkView::B2FIter    iter(parent);
-    SkView*            child;
-
-    if (flexCount > 0 && parentLimit > childLimit)
-        flexAmount = (parentLimit - childLimit) / flexCount;
-
-    while ((child = iter.next()) != nullptr)
-    {
-        if (fRound)
-            pos = SkScalarRoundToScalar(pos);
-        (child->*mainLocP)(pos);
-        SkScalar crossLoc = crossStartM + gAlignProcs[fAlign]((child->*crossGetSizeP)(), crossLimit);
-        if (fRound)
-            crossLoc = SkScalarRoundToScalar(crossLoc);
-        (child->*crossLocP)(crossLoc);
-
-        if (crossSetSizeP)
-            (child->*crossSetSizeP)(crossLimit);
-        if (child->getFlags() & flexMask)
-            (child->*mainSetSizeP)(flexAmount);
-        pos += (child->*mainGetSizeP)() + fSpacer;
-    }
-}
-
-//////////////////////////////////////////////////////////////////////////////////////
-
-#ifdef SK_DEBUG
-    static void assert_no_attr(const SkDOM& dom, const SkDOM::Node* node, const char attr[])
-    {
-        const char* value = dom.findAttr(node, attr);
-        if (value)
-            SkDebugf("unknown attribute %s=\"%s\"\n", attr, value);
-    }
-#else
-    #define assert_no_attr(dom, node, attr)
-#endif
-
-void SkStackViewLayout::onInflate(const SkDOM& dom, const SkDOM::Node* node)
-{
-    int            index;
-    SkScalar    value[4];
-
-    if ((index = dom.findList(node, "orient", "horizontal,vertical")) >= 0)
-        this->setOrient((Orient)index);
-    else {
-        assert_no_attr(dom, node, "orient");
-        }
-
-    if (dom.findScalars(node, "margin", value, 4))
-    {
-        SkRect    margin;
-        margin.set(value[0], value[1], value[2], value[3]);
-        this->setMargin(margin);
-    }
-    else {
-        assert_no_attr(dom, node, "margin");
-        }
-
-    if (dom.findScalar(node, "spacer", value))
-        this->setSpacer(value[0]);
-    else {
-        assert_no_attr(dom, node, "spacer");
-        }
-
-    if ((index = dom.findList(node, "pack", "start,center,end")) >= 0)
-        this->setPack((Pack)index);
-    else {
-        assert_no_attr(dom, node, "pack");
-        }
-
-    if ((index = dom.findList(node, "align", "start,center,end,stretch")) >= 0)
-        this->setAlign((Align)index);
-    else {
-        assert_no_attr(dom, node, "align");
-        }
-}
-
-///////////////////////////////////////////////////////////////////////////////////////////
-
-SkFillViewLayout::SkFillViewLayout()
-{
-    fMargin.setEmpty();
-}
-
-void SkFillViewLayout::getMargin(SkRect* r) const
-{
-    if (r)
-        *r = fMargin;
-}
-
-void SkFillViewLayout::setMargin(const SkRect& margin)
-{
-    fMargin = margin;
-}
-
-void SkFillViewLayout::onLayoutChildren(SkView* parent)
-{
-    SkView::B2FIter    iter(parent);
-    SkView*            child;
-
-    while ((child = iter.next()) != nullptr)
-    {
-        child->setLoc(fMargin.fLeft, fMargin.fTop);
-        child->setSize(    parent->width() - fMargin.fRight - fMargin.fLeft,
-                        parent->height() - fMargin.fBottom - fMargin.fTop);
-    }
-}
-
-void SkFillViewLayout::onInflate(const SkDOM& dom, const SkDOM::Node* node)
-{
-    this->INHERITED::onInflate(dom, node);
-    (void)dom.findScalars(node, "margin", (SkScalar*)&fMargin, 4);
-}