1 files changed, 440 insertions, 0 deletions
diff --git a/desktop/gui_factory.c b/desktop/gui_factory.c
new file mode 100644
index 000000000..104f4906d
--- /dev/null
+++ b/desktop/gui_factory.c
@@ -0,0 +1,440 @@
+/*
+ * Copyright 2014 Vincent Sanders <vince@netsurf-browser.org>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * NetSurf is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "desktop/gui.h"
+#include "desktop/gui_factory.h"
+
+/** The global GUI interface table */
+struct gui_table *guit = NULL;
+
+
+
+static void gui_default_window_set_title(struct gui_window *g, const char *title)
+{
+}
+
+static void gui_default_window_set_url(struct gui_window *g, const char *url)
+{
+}
+
+static void gui_default_window_start_throbber(struct gui_window *g)
+{
+}
+
+static void gui_default_window_stop_throbber(struct gui_window *g)
+{
+}
+
+static bool gui_default_window_drag_start(struct gui_window *g,
+					  gui_drag_type type,
+					  const struct rect *rect)
+{
+	return true;
+}
+
+static void gui_default_window_save_link(struct gui_window *g,
+					 const char *url,
+					 const char *title)
+{
+}
+
+static void gui_default_window_set_icon(struct gui_window *g,
+					hlcache_handle *icon)
+{
+}
+
+static void gui_default_window_scroll_visible(struct gui_window *g,
+				       int x0, int y0,
+				       int x1, int y1)
+{
+	guit->window->set_scroll(g, x0, y0);
+}
+
+static void gui_default_window_new_content(struct gui_window *g)
+{
+}
+
+
+static bool gui_default_window_scroll_start(struct gui_window *g)
+{
+	return true;
+}
+
+static void gui_default_window_set_pointer(struct gui_window *g,
+					   gui_pointer_shape shape)
+{
+}
+
+static void gui_default_window_set_status(struct gui_window *g,
+					  const char *text)
+{
+}
+
+static void gui_default_window_place_caret(struct gui_window *g,
+					   int x, int y, int height,
+					   const struct rect *clip)
+{
+}
+
+static void gui_default_window_remove_caret(struct gui_window *g)
+{
+}
+
+static void gui_default_window_file_gadget_open(struct gui_window *g,
+						hlcache_handle *hl,
+						struct form_control *gadget)
+{
+}
+
+static void gui_default_window_drag_save_object(struct gui_window *g,
+						hlcache_handle *c,
+						gui_save_type type)
+{
+}
+
+static void gui_default_window_drag_save_selection(struct gui_window *g,
+						   const char *selection)
+{
+}
+
+static void gui_default_window_start_selection(struct gui_window *g)
+{
+}
+
+
+/** verify window table is valid */
+static nserror verify_window_register(struct gui_window_table *gwt)
+{
+	/* check table is present */
+	if (gwt == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+
+	/* check the mandantory fields are set */
+	if (gwt->create == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+	if (gwt->destroy == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+	if (gwt->redraw == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+	if (gwt->update == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+	if (gwt->get_scroll == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+	if (gwt->set_scroll == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+	if (gwt->get_dimensions == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+	if (gwt->update_extent == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+
+
+	/* fill in the optional entries with defaults */
+	if (gwt->set_title == NULL) {
+		gwt->set_title = gui_default_window_set_title;
+	}
+	if (gwt->set_url == NULL) {
+		gwt->set_url = gui_default_window_set_url;
+	}
+	if (gwt->set_icon == NULL) {
+		gwt->set_icon = gui_default_window_set_icon;
+	}
+	if (gwt->set_status == NULL) {
+		gwt->set_status = gui_default_window_set_status;
+	}
+	if (gwt->set_pointer == NULL) {
+		gwt->set_pointer = gui_default_window_set_pointer;
+	}
+	if (gwt->place_caret == NULL) {
+		gwt->place_caret = gui_default_window_place_caret;
+	}
+	if (gwt->remove_caret == NULL) {
+		gwt->remove_caret = gui_default_window_remove_caret;
+	}
+	if (gwt->start_throbber == NULL) {
+		gwt->start_throbber = gui_default_window_start_throbber;
+	}
+	if (gwt->stop_throbber == NULL) {
+		gwt->stop_throbber = gui_default_window_stop_throbber;
+	}
+	if (gwt->drag_start == NULL) {
+		gwt->drag_start = gui_default_window_drag_start;
+	}
+	if (gwt->save_link == NULL) {
+		gwt->save_link = gui_default_window_save_link;
+	}
+	if (gwt->scroll_visible == NULL) {
+		gwt->scroll_visible = gui_default_window_scroll_visible;
+	}
+	if (gwt->new_content == NULL) {
+		gwt->new_content = gui_default_window_new_content;
+	}
+	if (gwt->scroll_start == NULL) {
+		gwt->scroll_start = gui_default_window_scroll_start;
+	}
+	if (gwt->file_gadget_open == NULL) {
+		gwt->file_gadget_open = gui_default_window_file_gadget_open;
+	}
+	if (gwt->drag_save_object == NULL) {
+		gwt->drag_save_object = gui_default_window_drag_save_object;
+	}
+	if (gwt->drag_save_selection == NULL) {
+		gwt->drag_save_selection = gui_default_window_drag_save_selection;
+	}
+	if (gwt->start_selection == NULL) {
+		gwt->start_selection = gui_default_window_start_selection;
+	}
+
+	return NSERROR_OK;
+}
+
+
+
+static struct gui_download_window *
+gui_default_download_create(download_context *ctx, struct gui_window *parent)
+{
+	return NULL;
+}
+
+static nserror gui_default_download_data(struct gui_download_window *dw,
+				  const char *data, unsigned int size)
+{
+	return NSERROR_OK;
+}
+
+static void gui_default_download_error(struct gui_download_window *dw,
+				const char *error_msg)
+{
+}
+
+static void gui_default_download_done(struct gui_download_window *dw)
+{
+}
+
+
+/** verify download window table is valid */
+static nserror verify_download_register(struct gui_download_table *gdt)
+{
+	/* check table is present */
+	if (gdt == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+
+	/* all enties are mandantory */
+	if (gdt->create == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+	if (gdt->data == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+	if (gdt->error == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+	if (gdt->done == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+
+	return NSERROR_OK;
+}
+
+static void gui_default_get_clipboard(char **buffer, size_t *length)
+{
+	*buffer = NULL;
+	*length = 0;
+}
+
+static void gui_default_set_clipboard(const char *buffer, size_t length,
+		nsclipboard_styles styles[], int n_styles)
+{
+}
+
+/** verify clipboard table is valid */
+static nserror verify_clipboard_register(struct gui_clipboard_table *gct)
+{
+	/* check table is present */
+	if (gct == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+
+	/* optional operations */
+	if (gct->get == NULL) {
+		gct->get = gui_default_get_clipboard;
+	}
+	if (gct->set == NULL) {
+		gct->set = gui_default_set_clipboard;
+	}
+	return NSERROR_OK;
+}
+
+
+static void gui_default_quit(void)
+{
+}
+
+static void gui_default_set_search_ico(hlcache_handle *ico)
+{
+}
+
+static nsurl *gui_default_get_resource_url(const char *path)
+{
+	return NULL;
+}
+
+static void gui_default_launch_url(const char *url)
+{
+}
+
+static void gui_default_create_form_select_menu(struct browser_window *bw,
+						struct form_control *control)
+{
+}
+
+
+static void gui_default_cert_verify(nsurl *url,
+				    const struct ssl_cert_info *certs,
+				    unsigned long num,
+				    nserror (*cb)(bool proceed, void *pw),
+				    void *cbpw)
+{
+	cb(false, cbpw);
+}
+
+static void gui_default_401login_open(nsurl *url, const char *realm,
+		nserror (*cb)(bool proceed, void *pw), void *cbpw)
+{
+	cb(false, cbpw);
+}
+
+/** verify browser table is valid */
+static nserror verify_browser_register(struct gui_browser_table *gbt)
+{
+	/* check table is present */
+	if (gbt == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+
+	/* check the mandantory fields are set */
+	if (gbt->poll == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+	if (gbt->filename_from_path == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+	if (gbt->path_add_part == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+
+
+	/* fill in the optional entries with defaults */
+	if (gbt->quit == NULL) {
+		gbt->quit = gui_default_quit;
+	}
+	if (gbt->set_search_ico == NULL) {
+		gbt->set_search_ico = gui_default_set_search_ico;
+	}
+	if (gbt->get_resource_url == NULL) {
+		gbt->get_resource_url = gui_default_get_resource_url;
+	}
+	if (gbt->launch_url == NULL) {
+		gbt->launch_url = gui_default_launch_url;
+	}
+	if (gbt->create_form_select_menu == NULL) {
+		gbt->create_form_select_menu = gui_default_create_form_select_menu;
+	}
+	if (gbt->cert_verify == NULL) {
+		gbt->cert_verify = gui_default_cert_verify;
+	}
+	if (gbt->login == NULL) {
+		gbt->login = gui_default_401login_open;
+	}
+	return NSERROR_OK;
+}
+
+
+
+static struct gui_download_table default_download_table = {
+	.create = gui_default_download_create,
+	.data = gui_default_download_data,
+	.error = gui_default_download_error,
+	.done = gui_default_download_done,
+};
+
+static struct gui_clipboard_table default_clipboard_table = {
+	.get = gui_default_get_clipboard,
+	.set = gui_default_set_clipboard,
+};
+
+/* exported interface documented in desktop/gui_factory.h */
+nserror gui_factory_register(struct gui_table *gt)
+{
+	nserror err;
+
+	/* ensure not already initialised */
+	if (guit != NULL) {
+		return NSERROR_INIT_FAILED;
+	}
+
+	/* check table is present */
+	if (gt == NULL) {
+		return NSERROR_BAD_PARAMETER;
+	}
+
+	/* browser table */
+	err = verify_browser_register(gt->browser);
+	if (err != NSERROR_OK) {
+		return err;
+	}
+
+	/* window table */
+	err = verify_window_register(gt->window);
+	if (err != NSERROR_OK) {
+		return err;
+	}
+
+	/* download table */
+	if (gt->download == NULL) {
+		/* set default download table */
+		gt->download = &default_download_table;
+	}
+	err = verify_download_register(gt->download);
+	if (err != NSERROR_OK) {
+		return err;
+	}
+
+	/* clipboard table */
+	if (gt->clipboard == NULL) {
+		/* set default clipboard table */
+		gt->clipboard = &default_clipboard_table;
+	}
+	err = verify_clipboard_register(gt->clipboard);
+	if (err != NSERROR_OK) {
+		return err;
+	}
+
+	guit = gt;
+
+	return NSERROR_OK;
+}