render_style.h

手机浏览器源码程序,功能强大

//------------------------------------------------
// Box attributes. Not inherited.

class StyleBoxData : public Shared<StyleBoxData>
{
public:
    StyleBoxData();

    StyleBoxData(const StyleBoxData& o );


    // copy and assignment
//    StyleBoxData(const StyleBoxData &other);
//    const StyleBoxData &operator = (const StyleBoxData &other);

    bool operator==(const StyleBoxData& o) const;
    bool operator!=(const StyleBoxData& o) const {
        return !(*this == o);
    }

    Length width;
    Length height;

    Length min_width;
    Length max_width;

    Length min_height;
    Length max_height;

    Length vertical_align;

    int z_index;
    bool z_auto : 1;
};

//------------------------------------------------
// Dashboard region attributes. Not inherited.

#if APPLE_CHANGES
struct StyleDashboardRegion
{
    QString label;
    LengthBox offset;
    int type;
    
    enum {
        None,
        Circle,
        Rectangle
    };

    bool operator==(const StyleDashboardRegion& o) const
    {
        return type == o.type && offset == o.offset && label == o.label;
    }
};
#endif

//------------------------------------------------
// Random visual rendering model attributes. Not inherited.

enum EOverflow {
    OVISIBLE, OHIDDEN, OSCROLL, OAUTO, OMARQUEE, OOVERLAY
};

enum EVerticalAlign {
    BASELINE, MIDDLE, SUB, SUPER, TEXT_TOP,
    TEXT_BOTTOM, TOP, BOTTOM, BASELINE_MIDDLE, LENGTH
};

enum EClear{
    CNONE = 0, CLEFT = 1, CRIGHT = 2, CBOTH = 3
};

enum ETableLayout {
    TAUTO, TFIXED
};

enum EUnicodeBidi {
    UBNormal, Embed, Override
};

class StyleVisualData : public Shared<StyleVisualData>
{
public:
    StyleVisualData();

    ~StyleVisualData();

    StyleVisualData(const StyleVisualData& o );

    bool operator==( const StyleVisualData &o ) const {
	return ( clip == o.clip &&
                 hasClip == o.hasClip &&
		 colspan == o.colspan &&
		 counter_increment == o.counter_increment &&
		 counter_reset == o.counter_reset &&
#if !APPLE_CHANGES
		 palette == o.palette &&
#endif
                 textDecoration == o.textDecoration);
    }
    bool operator!=( const StyleVisualData &o ) const {
        return !(*this == o);
    }

    LengthBox clip;
    bool hasClip : 1;
    int textDecoration : 4; // Text decorations defined *only* by this element.
    
    short colspan; // for html, not a css2 attribute

    short counter_increment; //ok, so these are not visual mode spesific
    short counter_reset;     //can't go to inherited, since these are not inherited

#if !APPLE_CHANGES
    QPalette palette;      //widget styling with IE attributes
#endif
};

//------------------------------------------------
enum EBackgroundRepeat {
    REPEAT, REPEAT_X, REPEAT_Y, NO_REPEAT
};

struct BackgroundLayer {
public:
    BackgroundLayer();
    ~BackgroundLayer();

    CachedImage* backgroundImage() const { return m_image; }
    Length backgroundXPosition() const { return m_xPosition; }
    Length backgroundYPosition() const { return m_yPosition; }
    bool backgroundAttachment() const { return m_bgAttachment; }
    EBackgroundRepeat backgroundRepeat() const { return m_bgRepeat; }
    BackgroundLayer* next() const { return m_next; }
    BackgroundLayer* next() { return m_next; }

    bool isBackgroundImageSet() const { return m_imageSet; }
    bool isBackgroundXPositionSet() const { return m_xPosSet; }
    bool isBackgroundYPositionSet() const { return m_yPosSet; }
    bool isBackgroundAttachmentSet() const { return m_attachmentSet; }
    bool isBackgroundRepeatSet() const { return m_repeatSet; }

    void setBackgroundImage(CachedImage* i) { m_image = i; m_imageSet = true; }
    void setBackgroundXPosition(const Length& l) { m_xPosition = l; m_xPosSet = true; }
    void setBackgroundYPosition(const Length& l) { m_yPosition = l; m_yPosSet = true; }
    void setBackgroundAttachment(bool b) { m_bgAttachment = b; m_attachmentSet = true; }
    void setBackgroundRepeat(EBackgroundRepeat r) { m_bgRepeat = r; m_repeatSet = true; }
    
    void clearBackgroundImage() { m_imageSet = false; }
    void clearBackgroundXPosition() { m_xPosSet = false; }
    void clearBackgroundYPosition() { m_yPosSet = false; }
    void clearBackgroundAttachment() { m_attachmentSet = false; }
    void clearBackgroundRepeat() { m_repeatSet = false; }

    void setNext(BackgroundLayer* n) { if (m_next != n) { delete m_next; m_next = n; } }

    BackgroundLayer& operator=(const BackgroundLayer& o);    
    BackgroundLayer(const BackgroundLayer& o);

    bool operator==(const BackgroundLayer& o) const;
    bool operator!=(const BackgroundLayer& o) const {
        return !(*this == o);
    }

    bool containsImage(CachedImage* c) const { if (c == m_image) return true; if (m_next) return m_next->containsImage(c); return false; }
    
    bool hasImage() const {
        if (m_image)
            return true;
        return m_next ? m_next->hasImage() : false;
    }
    bool hasFixedImage() const {
        if (m_image && !m_bgAttachment)
            return true;
        return m_next ? m_next->hasFixedImage() : false;
    }

    void fillUnsetProperties();
    void cullEmptyLayers();

    CachedImage* m_image;

    Length m_xPosition;
    Length m_yPosition;

    bool m_bgAttachment : 1;
    EBackgroundRepeat m_bgRepeat : 2;

    bool m_imageSet : 1;
    bool m_attachmentSet : 1;
    bool m_repeatSet : 1;
    bool m_xPosSet : 1;
    bool m_yPosSet : 1;

    BackgroundLayer* m_next;
};

class StyleBackgroundData : public Shared<StyleBackgroundData>
{
public:
    StyleBackgroundData();
    ~StyleBackgroundData() {}
    StyleBackgroundData(const StyleBackgroundData& o );

    bool operator==(const StyleBackgroundData& o) const;
    bool operator!=(const StyleBackgroundData &o) const {
	return !(*this == o);
    }

    BackgroundLayer m_background;
    QColor m_color;
    OutlineValue m_outline;
};

//------------------------------------------------
// CSS3 Marquee Properties

enum EMarqueeBehavior { MNONE, MSCROLL, MSLIDE, MALTERNATE, MUNFURL };
enum EMarqueeDirection { MAUTO = 0, MLEFT = 1, MRIGHT = -1, MUP = 2, MDOWN = -2, MFORWARD = 3, MBACKWARD = -3 };

class StyleMarqueeData : public Shared<StyleMarqueeData>
{
public:
    StyleMarqueeData();
    StyleMarqueeData(const StyleMarqueeData& o);
    
    bool operator==(const StyleMarqueeData& o) const;
    bool operator!=(const StyleMarqueeData& o) const {
        return !(*this == o);
    }
    
    Length increment;
    int speed;
    
    int loops; // -1 means infinite.
    
    EMarqueeBehavior behavior : 3;
    EMarqueeDirection direction : 3;
};
    
//------------------------------------------------
// CSS3 Flexible Box Properties

enum EBoxAlignment { BSTRETCH, BSTART, BCENTER, BEND, BJUSTIFY, BBASELINE };
enum EBoxOrient { HORIZONTAL, VERTICAL };
enum EBoxLines { SINGLE, MULTIPLE };
enum EBoxDirection { BNORMAL, BREVERSE };

class StyleFlexibleBoxData : public Shared<StyleFlexibleBoxData>
{
public:
    StyleFlexibleBoxData();
    StyleFlexibleBoxData(const StyleFlexibleBoxData& o);

    bool operator==(const StyleFlexibleBoxData& o) const;
    bool operator!=(const StyleFlexibleBoxData &o) const {
        return !(*this == o);
    }

    float flex;
    unsigned int flex_group;
    unsigned int ordinal_group;

    EBoxAlignment align : 3;
    EBoxAlignment pack: 3;
    EBoxOrient orient: 1;
    EBoxLines lines : 1;
};

// This struct holds information about shadows for the text-shadow and box-shadow properties.
struct ShadowData {
    ShadowData(int _x, int _y, int _blur, const QColor& _color)
    :x(_x), y(_y), blur(_blur), color(_color), next(0) {}
    ShadowData(const ShadowData& o);
    
    ~ShadowData() { delete next; }

    bool operator==(const ShadowData& o) const;
    bool operator!=(const ShadowData &o) const {
        return !(*this == o);
    }
    
    int x;
    int y;
    int blur;
    QColor color;
    ShadowData* next;
};

#ifndef KHTML_NO_XBL
struct BindingURI {
    BindingURI(DOM::DOMStringImpl*);
    ~BindingURI();

    BindingURI* copy();

    bool operator==(const BindingURI& o) const;
    bool operator!=(const BindingURI& o) const {
        return !(*this == o);
    }
    
    BindingURI* next() { return m_next; }
    void setNext(BindingURI* n) { m_next = n; }
    
    DOM::DOMStringImpl* uri() { return m_uri; }
    
    BindingURI* m_next;
    DOM::DOMStringImpl* m_uri;
};
#endif

//------------------------------------------------
// CSS3 User Modify Properties

enum EUserModify {
    READ_ONLY, READ_WRITE
};