void EditingStyle::init(Node* node, PropertiesToInclude propertiesToInclude)
{
    if (isTabSpanTextNode(node))
        node = tabSpanNode(node)->parentNode();
    else if (isTabSpanNode(node))
        node = node->parentNode();

    RefPtr<CSSComputedStyleDeclaration> computedStyleAtPosition = computedStyle(node);
    m_mutableStyle = propertiesToInclude == AllProperties && computedStyleAtPosition ? computedStyleAtPosition->copy() : editingStyleFromComputedStyle(computedStyleAtPosition);

    if (node && node->computedStyle()) {
        RenderStyle* renderStyle = node->computedStyle();
        removeTextFillAndStrokeColorsIfNeeded(renderStyle);
        replaceFontSizeByKeywordIfPossible(renderStyle, computedStyleAtPosition.get());
//SISO_HTMLComposer start
		if(node->document() && node->document()->frame() 
			&& (node->document()->frame()->textZoomFactor() > 1.0
			|| node->document()->frame()->pageZoomFactor() > 1.0)) {
			replaceComputedFontSizeBySpecifiedSize(computedStyleAtPosition.get());
		}
//SISO_HTMLComposer end
	}

    m_shouldUseFixedDefaultFontSize = computedStyleAtPosition->useFixedFontDefaultSize();
    extractFontSizeDelta();
}
EditingStyle::EditingStyle(const CSSStyleDeclaration* style)
    : m_mutableStyle(style->copy())
    , m_shouldUseFixedDefaultFontSize(false)
    , m_fontSizeDelta(NoFontDelta)
{
    extractFontSizeDelta();
}
void EditingStyle::setStyle(PassRefPtr<CSSMutableStyleDeclaration> style)
{
    m_mutableStyle = style;
    // FIXME: We should be able to figure out whether or not font is fixed width for mutable style.
    // We need to check font-family is monospace as in FontDescription but we don't want to duplicate code here.
    m_shouldUseFixedDefaultFontSize = false;
    extractFontSizeDelta();
}
void EditingStyle::overrideWithStyle(const CSSMutableStyleDeclaration* style)
{
    if (!style || !style->length())
        return;
    if (!m_mutableStyle)
        m_mutableStyle = CSSMutableStyleDeclaration::create();
    m_mutableStyle->merge(style);
    extractFontSizeDelta();
}
EditingStyle::EditingStyle(const CSSStyleDeclaration* style)
    : m_mutableStyle(style->copy())
    , m_shouldUseFixedDefaultFontSize(false)
    , m_fontSizeDelta(NoFontDelta)
//SISO_HTMLComposer start
	, m_editAction(EditActionUnspecified)
//SISO_HTMLComposer end
{
    extractFontSizeDelta();
}
void EditingStyle::init(Node* node, PropertiesToInclude propertiesToInclude)
{
    if (isTabSpanTextNode(node))
        node = tabSpanNode(node)->parentNode();
    else if (isTabSpanNode(node))
        node = node->parentNode();

    RefPtr<CSSComputedStyleDeclaration> computedStyleAtPosition = computedStyle(node);
    m_mutableStyle = propertiesToInclude == AllProperties && computedStyleAtPosition ? computedStyleAtPosition->copy() : editingStyleFromComputedStyle(computedStyleAtPosition);

    if (node && node->computedStyle()) {
        RenderStyle* renderStyle = node->computedStyle();
        removeTextFillAndStrokeColorsIfNeeded(renderStyle);
        replaceFontSizeByKeywordIfPossible(renderStyle, computedStyleAtPosition.get());
    }

    m_shouldUseFixedDefaultFontSize = computedStyleAtPosition->useFixedFontDefaultSize();
    extractFontSizeDelta();
}