From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#51716: 29.0.50; [PATCH] Expose xwidget navigation history to Lisp code Date: Tue, 09 Nov 2021 22:06:45 +0800 Message-ID: <87czn9zami.fsf@yahoo.com> References: <871r3p8r05.fsf.ref@yahoo.com> <871r3p8r05.fsf@yahoo.com> <83a6id5u7x.fsf@gnu.org> <87r1bp5tps.fsf@yahoo.com> <8335o55t2s.fsf@gnu.org> Reply-To: Po Lu Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="33241"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.60 (gnu/linux) Cc: 51716@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Tue Nov 09 15:07:46 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mkRms-0008Ru-NL for geb-bug-gnu-emacs@m.gmane-mx.org; 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Tue, 9 Nov 2021 14:06:51 +0000 Original-Received: by kubenode514.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 6c0ad20ea59139f8ea163bbe2af2d041; Tue, 09 Nov 2021 14:06:48 +0000 (UTC) In-Reply-To: <8335o55t2s.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 09 Nov 2021 15:58:35 +0200") X-Mailer: WebService/1.1.19266 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:219459 Archived-At: Eli Zaretskii writes: >> WebKit stores navigation history specially. For instance, it implements >> a feature where malicious (i.e. looping) redirects are not recorded in >> history. This is not available from Lisp, as the signals exposed by >> WebKitGTK are insufficient to keep track of that data. Further, I think >> there is a way for web pages to tell WebKitGTK whether or not to record >> themselves in history, which also cannot be implemented separately. >> >> It can only be done from C, because the necessary information is only >> available in C. > Please give more details, because I still have only a very vague idea > of the problems you mention, and why they absolutely preclude mapping > the browsing history into Lisp. OK, I should clarify: this function provides the data necessary to map browsing history into Lisp. One feature I mentioned was that WebKit removes repetitive (usually malicious) redirects designed to make it impossible to leave a page through going back in the history. WebKit only records its canonical page history in the back-forward list of the WebKitWebView, which can only be obtained with webkit_web_view_get_back_forward_list, and as such it needs to be introduced as a primitive. Thanks.