[mujs] history

src/ecmascript/mujs.cpp

@@ -25,6 +25,7 @@
 #include "document/view.h"
 #include "ecmascript/ecmascript.h"
 #include "ecmascript/mujs.h"
+#include "ecmascript/mujs/history.h"
 #include "ecmascript/mujs/navigator.h"
 #include "ecmascript/mujs/screen.h"
 #include "ecmascript/mujs/unibar.h"
@@ -82,6 +83,7 @@ mujs_get_interpreter(struct ecmascript_interpreter *interpreter)
 	mjs_screen_init(interpreter, J);
 	mjs_unibar_init(interpreter, J);
 	mjs_navigator_init(interpreter, J);
+	mjs_history_init(interpreter, J);
 
 	return J;
 #if 0

src/ecmascript/mujs/history.cpp

@@ -0,0 +1,144 @@
+/* The QuickJS history object implementation. */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "elinks.h"
+
+#include "bfu/dialog.h"
+#include "cache/cache.h"
+#include "cookies/cookies.h"
+#include "dialogs/menu.h"
+#include "dialogs/status.h"
+#include "document/html/frames.h"
+#include "document/document.h"
+#include "document/forms.h"
+#include "document/view.h"
+#include "ecmascript/ecmascript.h"
+#include "ecmascript/mujs.h"
+#include "ecmascript/mujs/history.h"
+#include "ecmascript/mujs/window.h"
+#include "intl/libintl.h"
+#include "main/select.h"
+#include "osdep/newwin.h"
+#include "osdep/sysname.h"
+#include "protocol/http/http.h"
+#include "protocol/uri.h"
+#include "session/history.h"
+#include "session/location.h"
+#include "session/session.h"
+#include "session/task.h"
+#include "terminal/tab.h"
+#include "terminal/terminal.h"
+#include "util/conv.h"
+#include "util/memory.h"
+#include "util/string.h"
+#include "viewer/text/draw.h"
+#include "viewer/text/form.h"
+#include "viewer/text/link.h"
+#include "viewer/text/vs.h"
+
+static void
+mjs_history_back(js_State *J)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)js_touserdata(J, 0, "history");
+
+	assert(interpreter);
+	struct document_view *doc_view = interpreter->vs->doc_view;
+	struct session *ses = doc_view->session;
+
+	go_back(ses);
+
+/* history_back() must return 0 for onClick to cause displaying previous page
+ * and return non zero for <a href="javascript:history.back()"> to prevent
+ * "calculating" new link. Returned value 2 is changed to 0 in function
+ * spidermonkey_eval_boolback */
+	js_pushnull(J);
+}
+
+static void
+mjs_history_forward(js_State *J)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)js_touserdata(J, 0, "history");
+
+	assert(interpreter);
+	struct document_view *doc_view = interpreter->vs->doc_view;
+	struct session *ses = doc_view->session;
+
+	go_unback(ses);
+
+	js_pushnull(J);
+}
+
+static void
+mjs_history_go(js_State *J)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	struct ecmascript_interpreter *interpreter = (struct ecmascript_interpreter *)js_touserdata(J, 0, "history");
+
+	assert(interpreter);
+	struct document_view *doc_view = interpreter->vs->doc_view;
+	struct session *ses = doc_view->session;
+	struct location *loc;
+
+	int index = js_tointeger(J, 1);
+
+	for (loc = cur_loc(ses);
+	     loc != (struct location *) &ses->history.history;
+	     loc = index > 0 ? loc->next : loc->prev) {
+		if (!index) {
+			go_history(ses, loc);
+			break;
+		}
+
+		index += index > 0 ? -1 : 1;
+	}
+
+	js_pushnull(J);
+}
+
+static void
+mjs_history_toString(js_State *J)
+{
+#ifdef ECMASCRIPT_DEBUG
+	fprintf(stderr, "%s:%s\n", __FILE__, __FUNCTION__);
+#endif
+	js_pushstring(J, "[history object]");
+}
+
+int
+mjs_history_init(struct ecmascript_interpreter *interpreter, js_State *J)
+{
+	js_getglobal(J, "Object");
+	js_getproperty(J, -1, "prototype");
+	js_newuserdata(J, "history", interpreter, NULL);
+
+	js_newcfunction(J, mjs_history_back, "history.prototype.back", 0);
+	js_defproperty(J, -2, "back", JS_DONTENUM);
+
+	js_newcfunction(J, mjs_history_forward, "history.prototype.forward", 0);
+	js_defproperty(J, -2, "forward", JS_DONTENUM);
+
+	js_newcfunction(J, mjs_history_go, "history.prototype.go", 1);
+	js_defproperty(J, -2, "go", JS_DONTENUM);
+
+	js_newcfunction(J, mjs_history_toString, "history.prototype.toString", 0);
+	js_defproperty(J, -2, "toString", JS_DONTENUM);
+
+	js_defglobal(J, "history", JS_DONTENUM);
+
+	return 0;
+}

src/ecmascript/mujs/history.h

@@ -0,0 +1,10 @@
+#ifndef EL__ECMASCRIPT_MUJS_HISTORY_H
+#define EL__ECMASCRIPT_MUJS_HISTORY_H
+
+#include <mujs.h>
+
+struct ecmascript_interpreter;
+
+int mjs_history_init(struct ecmascript_interpreter *interpreter, js_State *J);
+
+#endif

src/ecmascript/mujs/meson.build

@@ -1,3 +1,3 @@
 #srcs += files('attr.cpp', 'attributes.cpp', 'collection.cpp', 'console.cpp', 'document.cpp', 'element.cpp', 'form.cpp', 'forms.cpp', 'heartbeat.cpp', 'history.cpp', 'implementation.cpp',
 #'input.cpp', 'localstorage.cpp', 'location.cpp', 'navigator.cpp', 'nodelist.cpp', 'screen.cpp', 'unibar.cpp', 'window.cpp')
-srcs += files('navigator.cpp', 'screen.cpp', 'unibar.cpp', 'window.cpp')
+srcs += files('history.cpp', 'navigator.cpp', 'screen.cpp', 'unibar.cpp', 'window.cpp')