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/*
* This file is part of LibNSLayout
* Licensed under the ISC License, http://opensource.org/licenses/ISC
* Copyright 2015 Michael Drake <tlsa@netsurf-browser.org>
*/
/** \file src/request.h
* Client callback wrappers
*/
#ifndef nslayout_request_h_
#define nslayout_request_h_
#include <libnslayout/nslayout.h>
/**
* Perform GET_RESOURCE client callback
*
* \param[in] layout Layout object that the request concerns.
* \param[in] url Absolute URL to request replaced object handle for.
* \param[out] replaced Returns the replaced element content handle.
* \return NSLAYOUT_OK on success, appropriate error otherwise.
*/
static inline nslayout_error nsl_request_get_resource(
nslayout_layout *layout,
const char *url,
nslayout_replaced **replaced)
{
nslayout_error err;
nslayout_request req;
req.type = NSLAYOUT_GET_RESOURCE;
req.request.get_resource.url = url;
err = layout->cb(layout, layout->pw, &req);
*replaced = *req.response.get_resource.replaced;
return err;
}
/**
* Perform CREATE_REPLACED client callback
*
* \param[in] layout Layout object that the request concerns.
* \param[in] element DOM element that needs replacement object.
* \param[out] replaced Returns the replaced element content handle.
* \return NSLAYOUT_OK on success, appropriate error otherwise.
*/
static inline nslayout_error nsl_request_create_replaced(
nslayout_layout *layout,
dom_element *element,
nslayout_replaced **replaced)
{
nslayout_error err;
nslayout_request req;
req.type = NSLAYOUT_CREATE_REPLACED;
req.request.create_replaced.element = element;
err = layout->cb(layout, layout->pw, &req);
*replaced = *req.response.create_replaced.replaced;
return err;
}
/**
* Perform RENDER client callback
*
* \param[in] layout Layout object being rendered.
* \param[in] list Render list to render.
* \return NSLAYOUT_OK on success, appropriate error otherwise.
*/
static inline nslayout_error nsl_request_render(
nslayout_layout *layout,
nslayout_render_list *list)
{
nslayout_error err;
nslayout_request req;
req.type = NSLAYOUT_RENDER;
req.request.render.list = list;
err = layout->cb(layout, layout->pw, &req);
return err;
}
/**
* Perform SET_EXTENTS client callback
*
* \param[in] layout Layout object that the request concerns.
* \param[in] width The layout's full width.
* \param[in] height The layout's full height.
* \return NSLAYOUT_OK on success, appropriate error otherwise.
*/
static inline nslayout_error nsl_request_set_extents(
nslayout_layout *layout,
unsigned int width,
unsigned int height)
{
nslayout_error err;
nslayout_request req;
req.type = NSLAYOUT_SET_EXTENTS;
req.request.set_extents.width = width;
req.request.set_extents.height = height;
err = layout->cb(layout, layout->pw, &req);
return err;
}
/**
* Perform GET_INTRINSIC_SIZE client callback
*
* \param[in] layout Layout object that the request concerns.
* \param[in] replaced Replaced object to get intrinsic size of.
* \param[out] width Returns the replaced object's width.
* \param[out] height Returns the replaced object's height.
* \return NSLAYOUT_OK on success, appropriate error otherwise.
*/
static inline nslayout_error nsl_request_get_intrinsic_size(
nslayout_layout *layout,
nslayout_replaced *replaced,
unsigned int *width,
unsigned int *height)
{
nslayout_error err;
nslayout_request req;
req.type = NSLAYOUT_GET_INTRINSIC_SIZE;
req.request.get_intrinsic_size.replaced = replaced;
err = layout->cb(layout, layout->pw, &req);
*width = *req.response.get_intrinsic_size.width;
*height = *req.response.get_intrinsic_size.height;
return err;
}
#endif
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