Changeset 1097:f2ac841cffec for src/mlx/gui

Timestamp:

08/11/23 14:39:35 (16 months ago)

Author:

István Váradi <ivaradi@…>

Branch:

python3

Phase:

public

Message:

The browser cache can be cleared from the menu (re #368)

Location:

src/mlx/gui

Files:

• acars.py (modified) (1 diff)
• cef.py (modified) (5 diffs)
• flight.py (modified) (2 diffs)
• gui.py (modified) (4 diffs)

src/mlx/gui/acars.py

@@ -27 +27 @@
         super(ACARS, self).__init__()
         self._gui = gui
+        self._container = None
         self._browser = None
 
     def start(self):
         """Start the browser."""
-        container = cef.getContainer()
+        self._container = cef.getContainer()
+        self.pack_start(self._container, True, True, 0)
 
-        self.pack_start(container, True, True, 0)
-
-        self._browser = cef.startInContainer(container, ACARS.URL)
+        self._browser = cef.startInContainer(self._container, ACARS.URL)
 
     def stop(self):
         """Close the browser."""
         if self._browser is not None:
-            self._browser.CloseBrowser(False)
+            self._browser.CloseBrowser(True)
             self._browser = None
+
+        if self._container is not None:
+            self.remove(self._container)
+            self._container = None

src/mlx/gui/cef.py

@@ -34 +34 @@
 # The SimBrief handler
 _simBriefHandler = None
+
+# The cache directory
+cacheDir = os.path.join(GLib.get_user_cache_dir(), "mlxcef")
 
 #------------------------------------------------------------------------------
@@ -222 +225 @@
     print("Initializing CEF with args:", args)
 
-    cacheDir = os.path.join(GLib.get_user_cache_dir(), "mlxcef")
-
-    try:
-        shutil.rmtree(cacheDir)
-        print("gui.cef._initializeCEF1: the cache directory is removed")
-    except Exception as e:
-        print("gui.cef._initializeCEF1: cache directory removal failed:", e)
-
     settings = {
         "debug": True, # cefpython debug messages in console and in log_file
@@ -241 +236 @@
             (cefpython.GetModuleDirectory(), "subprocess"),
         "windowless_rendering_enabled": True,
-        "cache_path": cacheDir
+        "cache_path": cacheDir,
+        "persist_session_cookies": True,
+        "persist_user_preferences": True
     }
 
@@ -378 +375 @@
 #------------------------------------------------------------------------------
 
+def finalizeSimBrief():
+    """Finallize the (hidden) browser window for SimBrief."""
+    if _simBriefHandler is not None:
+        _simBriefHandler.finalize()
+
+#------------------------------------------------------------------------------
+
 def finalize():
     """Finalize the Chrome Embedded Framework."""
@@ -383 +387 @@
     _toQuit = True
 
-    _simBriefHandler.finalize()
-
-    cefpython.Shutdown()
+    if os.name!="nt":
+        cefpython.Shutdown()
+
+#------------------------------------------------------------------------------
+
+def clearCache():
+    """Clear the CEF cache directory."""
+    try:
+        shutil.rmtree(cacheDir)
+        print("gui.cef.clearCache: the cache directory is removed")
+    except Exception as e:
+        print("gui.cef.clearCache: cache directory removal failed:", e)
 
 #------------------------------------------------------------------------------

src/mlx/gui/flight.py

@@ -4001 +4001 @@
         self._container.hide()
         self._browser = None
+
+    def finalizeCEF(self):
+        """Close the CEF browser."""
+        if self._browser is not None:
+            self._container.hide()
+            self._browser.CloseBrowser(True)
+            self._browser = None
 
 #-----------------------------------------------------------------------------
@@ -6739 +6746 @@
         self.gui.rtoToggled(indicated)
 
+    def finalizeCEF(self):
+        """Called when any CEF browsers should be finalized."""
+        self._simBriefingPage.finalizeCEF()
+
     def _connectSimulator(self, simulatorType):
         """Connect to the simulator."""

src/mlx/gui/gui.py

@@ -480 +480 @@
             self.updateDone()
 
+        if self.config.clearBrowseCacheOnStart:
+            cef.clearCache()
+            self.config.clearBrowseCacheOnStart = False
+
         singleton.raiseCallback = self.raiseCallback
         Gtk.main()
         singleton.raiseCallback = None
 
+        self._wizard.finalizeCEF()
+        cef.finalizeSimBrief()
         self._acars.stop()
 
@@ -855 +861 @@
             self.showMonitorWindow()
 
-    def restart(self):
+    def restart(self, clearCEFCache = False):
         """Quit and restart the application."""
         self.toRestart = True
+        self.config.clearBrowseCacheOnStart = clearCEFCache
         self._quit(force = True)
 
@@ -1177 +1184 @@
         toolsMenu.append(Gtk.SeparatorMenuItem())
 
+        clearCEFCacheMenuItem = Gtk.ImageMenuItem(Gtk.STOCK_DISCARD)
+        clearCEFCacheMenuItem.set_use_stock(True)
+        clearCEFCacheMenuItem.set_label(xstr("menu_tools_clear_cef_cache"))
+        clearCEFCacheMenuItem.connect("activate", self._clearCEFCache)
+        toolsMenu.append(clearCEFCacheMenuItem)
+
+        toolsMenu.append(Gtk.SeparatorMenuItem())
+
         bugReportMenuItem = Gtk.ImageMenuItem(Gtk.STOCK_PASTE)
         bugReportMenuItem.set_use_stock(True)
@@ -1419 +1434 @@
         self._setupTimeSync()
         self._listenHotkeys()
+
+    def _clearCEFCache(self, menuItem):
+        """Callback for clearing the CEF cache."""
+        if askYesNo(xstr("clear_cef_cache_confirmation"),
+                    parent = self._mainWindow):
+            self.restart(clearCEFCache = True)
 
     def _reportBug(self, menuItem):