From 601a2cbbcbd28c4170b453e7bd476adcf1eb1266 Mon Sep 17 00:00:00 2001
From: Michael Drake <tlsa@netsurf-browser.org>
Date: Tue, 21 Jul 2015 20:53:40 +0100
Subject: Add request callback wrappers.

---
 src/request.h | 141 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100644 src/request.h

(limited to 'src/request.h')

diff --git a/src/request.h b/src/request.h
new file mode 100644
index 0000000..c28468e
--- /dev/null
+++ b/src/request.h
@@ -0,0 +1,141 @@
+/*
+ * 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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