Support import history from chrome (#422)

core/browser.py

@@ -1027,6 +1027,8 @@ class BrowserBuffer(Buffer):
             self.buffer_widget.copy_code_content(result_content.strip())
         elif callback_tag == "clear_history":
             self._clear_history()
+        elif callback_tag == "import_chrome_history":
+            self._import_chrome_history()
         elif callback_tag == "clear_cookies":
             self.buffer_widget._clear_cookies()
 
@@ -1285,11 +1287,7 @@ class BrowserBuffer(Buffer):
         ''' Return bool of whether the buffer is focused.'''
         return self.buffer_widget.get_focus_text() != None or self.url == "devtools://devtools/bundled/devtools_app.html"
 
-    def record_history(self, new_title):
+    def _record_history(self, new_title, new_url):
-        ''' Record browser history.'''
-        new_url = self.buffer_widget.filter_url(self.buffer_widget.url().toString())
-        if self.emacs_var_dict["eaf-browser-remember-history"] == "true" and self.buffer_widget.filter_title(new_title) != "" and \
-           self.arguments != "temp_html_file" and new_title != "about:blank" and new_url != "about:blank":
         # Throw traceback info if algorithm has bug and protection of historical record is not erased.
         try:
             noprefix_new_url_match = re.match(self.noprefix_url_pattern, new_url)
@@ -1322,6 +1320,13 @@ class BrowserBuffer(Buffer):
             import traceback
             self.message_to_emacs.emit("Error in record_history: " + str(traceback.print_exc()))
 
+    def record_history(self, new_title):
+        ''' Record browser history.'''
+        new_url = self.buffer_widget.filter_url(self.buffer_widget.url().toString())
+        if self.emacs_var_dict["eaf-browser-remember-history"] == "true" and self.buffer_widget.filter_title(new_title) != "" and \
+           self.arguments != "temp_html_file" and new_title != "about:blank" and new_url != "about:blank":
+            self._record_history(new_title, new_url)
+
     @interactive(insert_or_do=True)
     def new_blank_page(self):
         ''' Open new blank page.'''
@@ -1339,6 +1344,40 @@ class BrowserBuffer(Buffer):
         ''' Clear browsing history.'''
         self.send_input_message("Are you sure you want to clear all browsing history?", "clear_history", "yes-or-no")
 
+    def _import_chrome_history(self):
+        dbpath = os.path.expanduser(self.emacs_var_dict["eaf-browser-chrome-history-file"])
+        if not os.path.exists(dbpath):
+            self.message_to_emacs.emit("The chrome history file not exist, please check your setting.")
+            return
+
+        self.message_to_emacs.emit("Importing from {}...".format(dbpath))
+
+        conn = sqlite3.connect(dbpath)
+        # Keep lastest entry in dict by last_visit_time asc order.
+        sql = 'select title, url from urls order by last_visit_time asc'
+        # May fetch many by many not fetch all,
+        # but this should called only once, so not important now.
+        try:
+            chrome_histories = conn.execute(sql).fetchall()
+        except sqlite3.OperationalError as e:
+            if e.args[0] == 'database is locked':
+                self.message_to_emacs.emit("The chrome history file is locked, please close your chrome app first.")
+            else:
+                self.message_to_emacs.emit("Failed to read chrome history entries: {}.".format(e))
+            return
+
+        histories = dict(chrome_histories)  # Drop duplications with same title.
+        total = len(histories)
+        for i, (title, url) in enumerate(histories.items(), 1):
+            self._record_history(title, url)
+            self.message_to_emacs.emit("Importing {} / {} ...".format(i, total))
+        self.message_to_emacs.emit("{} chrome history entries imported.".format(total))
+
+    @interactive()
+    def import_chrome_history(self):
+        ''' Import history entries from chrome history db.'''
+        self.send_input_message("Are you sure you want to import all history from chrome?", "import_chrome_history", "yes-or-no")
+
     @interactive()
     def clear_cookies(self):
         ''' Clear cookies.'''

eaf.el

@@ -270,6 +270,7 @@ It must defined at `eaf-browser-search-engines'."
     (eaf-browser-aria2-proxy-host . "")
     (eaf-browser-aria2-proxy-port . "")
     (eaf-browser-dark-mode . "follow")
+    (eaf-browser-chrome-history-file . "~/.config/google-chrome/Default/History")
     (eaf-pdf-dark-mode . "follow")
     (eaf-pdf-default-zoom . "1.0")
     (eaf-terminal-dark-mode . "follow")
@@ -356,6 +357,7 @@ Try not to modify this alist directly.  Use `eaf-setq' to modify instead."
     ("C-d" . "save_page_password")
     ("M-a" . "toggle_adblocker")
     ("C-M-q" . "clear_history")
+    ("C-M-i" . "import_chrome_history")
     ("M-v" . "scroll_down_page")
     ("M-<" . "scroll_to_begin")
     ("M->" . "scroll_to_bottom")