ViewportConfiguration.h [plain text]
#ifndef ViewportConfiguration_h
#define ViewportConfiguration_h
#include "FloatSize.h"
#include "IntSize.h"
#include "ViewportArguments.h"
#include <wtf/Noncopyable.h>
namespace WebCore {
class ViewportConfiguration {
WTF_MAKE_NONCOPYABLE(ViewportConfiguration); WTF_MAKE_FAST_ALLOCATED;
public:
struct Parameters {
Parameters()
: width(0)
, height(0)
, initialScale(0)
, minimumScale(0)
, maximumScale(0)
, allowsUserScaling(false)
, widthIsSet(false)
, heightIsSet(false)
, initialScaleIsSet(false)
{
}
double width;
double height;
double initialScale;
double minimumScale;
double maximumScale;
bool allowsUserScaling;
bool widthIsSet;
bool heightIsSet;
bool initialScaleIsSet;
};
ViewportConfiguration();
const Parameters& defaultConfiguration() const { return m_defaultConfiguration; }
void setDefaultConfiguration(const Parameters&);
const IntSize& contentsSize() const { return m_contentSize; }
void setContentsSize(const IntSize&);
const FloatSize& minimumLayoutSize() const { return m_minimumLayoutSize; }
void setMinimumLayoutSize(const FloatSize&);
const FloatSize& minimumLayoutSizeForMinimalUI() const { return m_minimumLayoutSizeForMinimalUI.isEmpty() ? m_minimumLayoutSize : m_minimumLayoutSizeForMinimalUI; }
void setMinimumLayoutSizeForMinimalUI(const FloatSize&);
const FloatSize& activeMinimumLayoutSizeInScrollViewCoordinates() const;
const ViewportArguments& viewportArguments() const { return m_viewportArguments; }
void setViewportArguments(const ViewportArguments&);
void resetMinimalUI();
void didFinishDocumentLoad();
IntSize layoutSize() const;
double initialScale() const;
double minimumScale() const;
double maximumScale() const { return m_configuration.maximumScale; }
bool allowsUserScaling() const { return m_configuration.allowsUserScaling; }
bool usesMinimalUI() const { return m_usesMinimalUI; }
static Parameters webpageParameters();
static Parameters textDocumentParameters();
static Parameters imageDocumentParameters();
static Parameters xhtmlMobileParameters();
static Parameters testingParameters();
#ifndef NDEBUG
WTF::CString description() const;
void dump() const;
#endif
private:
void updateConfiguration();
int layoutWidth() const;
int layoutHeight() const;
Parameters m_configuration;
Parameters m_defaultConfiguration;
IntSize m_contentSize;
FloatSize m_minimumLayoutSize;
FloatSize m_minimumLayoutSizeForMinimalUI;
ViewportArguments m_viewportArguments;
bool m_usesMinimalUI;
bool m_pageDidFinishDocumentLoad;
};
}
#endif // ViewportConfiguration_h