[Webkit-unassigned] [Bug 47202] Adding C API for dealing with viewport meta info

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=47202





--- Comment #1 from Kenneth Rohde Christiansen <kenneth at webkit.org>  2010-10-05 13:51:18 PST ---
Example API:

// Call to set the initial viewport (before first load) and every time the visible area changes in your app - ie. when you rotate your phone.

WK_EXPORT ViewportAttributesRef WKPageComputeViewportAttributes(WKPageRef page, int visibleWidth, int visibleHeight, int desktopWidth, int deviceWidth, int deviceHeight, int deviceDPI);

// Callback called every time the viewport attributes much be updated.

typedef void (*WKPageViewportAttributesInvalidatedCallback)(WKPageRef page, const void *clientInfo);

// Getter methods

WK_EXPORT int WKViewportArgumentsGetLayoutWidth(WKViewportAttributesRef viewportAttr);
WK_EXPORT int WKViewportArgumentsGetLayoutHeight(WKViewportAttributesRef viewportAttr);
WK_EXPORT float WKViewportArgumentsGetInitialScaleFactor(WKViewportAttributesRef viewportAttr);
WK_EXPORT float WKViewportArgumentsGetMinimumScaleFactor(WKViewportAttributesRef viewportAttr);
WK_EXPORT float WKViewportArgumentsGetMaximumScaleFactor(WKViewportAttributesRef viewportAttr);
WK_EXPORT float WKViewportArgumentsGetPixelRatio(WKViewportAttributesRef viewportAttr);
WK_EXPORT bool WKViewportArgumentsGetIsUserScalable(WKViewportAttributesRef viewportAttr);


I guess WKViewportAttributes should map to a new WebKit class or to WebCore::ViewportConfiguration which currently exists, and it being returned by WebCore::findConfigurationForViewportData(ViewportArguments...).

Comments welcome.

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