Some web work. Firefox still being weird.

2026-07-06 18:22:19 -04:00
parent 3926ed0044
commit 323d0a3975
11 changed files with 584 additions and 1 deletions
@@ -1042,6 +1042,32 @@ class Cthulhu(GObject.Object):
    def getLogger(self) -> logger.Logger: # New getter for the logger
        return self.logger

+    def get_debug_snapshot(self) -> Dict[str, Dict[str, object]]:
+        """Returns read-only runtime counters useful for diagnostics."""
+
+        speechServer = speech.getSpeechServer()
+        snapshot: Dict[str, Dict[str, object]] = {
+            "cthulhu_state": {
+                "active_window_present": cthulhu_state.activeWindow is not None,
+                "locus_of_focus_present": cthulhu_state.locusOfFocus is not None,
+                "active_script_present": cthulhu_state.activeScript is not None,
+                "pending_self_hosted_focus_present": cthulhu_state.pendingSelfHostedFocus is not None,
+                "device_present": cthulhu_state.device is not None,
+                "pause_atspi_churn": cthulhu_state.pauseAtspiChurn,
+                "prioritized_desktop_context_token_present":
+                    cthulhu_state.prioritizedDesktopContextToken is not None,
+            },
+            "speech": {
+                "speech_server_present": speechServer is not None,
+                "speech_server": speechServer.__class__.__name__ if speechServer else "",
+            },
+            "event_manager": self.eventManager.get_debug_snapshot(),
+            "script_manager": self.scriptManager.get_debug_snapshot(),
+            "input_event_manager": input_event_manager.get_manager().get_debug_snapshot(),
+            "plugin_system_manager": self.pluginSystemManager.get_debug_snapshot(),
+        }
+        return snapshot
+
    def addKeyGrab(self, binding: Any) -> List[int]:
        return addKeyGrab(binding)

@@ -698,6 +698,17 @@ class CthulhuDBusServiceInterface(Publishable):
        debug.print_message(debug.LEVEL_INFO, msg, True)
        return result

+    def GetRuntimeStateSnapshot(self) -> str:  # pylint: disable=invalid-name
+        """Returns read-only runtime state counters for diagnostics."""
+
+        msg = "DBUS SERVICE: GetRuntimeStateSnapshot called."
+        debug.print_message(debug.LEVEL_INFO, msg, True)
+
+        from . import cthulhu  # pylint: disable=import-outside-toplevel
+
+        snapshot = cthulhu.cthulhuApp.get_debug_snapshot()
+        return debug.format_runtime_state_snapshot(snapshot)
+
    def Quit(self) -> bool:  # pylint: disable=invalid-name
        """Quits Cthulhu."""

@@ -45,7 +45,7 @@ import subprocess
 import sys
 import time
 import types
-from typing import Any, Generator, Optional, TextIO, Pattern, TYPE_CHECKING
+from typing import Any, Generator, Mapping, Optional, TextIO, Pattern, TYPE_CHECKING
 from datetime import datetime

 import gi
@@ -291,6 +291,20 @@ def print_log_tokens(level: int, prefix: str, tokens: list[Any], reason: Optiona
    text = format_log_message(prefix, _format_tokens(tokens), reason)
    printMessage(level, text, timestamp, stack)

+def format_runtime_state_snapshot(snapshot: Mapping[str, Any]) -> str:
+    """Formats read-only runtime state counters for debug capture."""
+
+    lines = ["CTHULHU RUNTIME STATE SNAPSHOT"]
+    for section, values in snapshot.items():
+        lines.append(f"[{section}]")
+        if not isinstance(values, Mapping):
+            lines.append(f"value: {values}")
+            continue
+        for key in sorted(values):
+            lines.append(f"{key}: {values[key]}")
+
+    return "\n".join(lines)
+
 def reset_startup_timing() -> None:
    """Reset the startup timing baseline."""

@@ -194,6 +194,30 @@ class EventManager:
        self._deactivateKeyHandling()
        debug.printMessage(debug.LEVEL_INFO, 'EVENT MANAGER: Deactivated', True)

+    def get_debug_snapshot(self) -> Dict[str, object]:
+        """Returns read-only counters useful for long-uptime diagnostics."""
+
+        return {
+            "active": self._active,
+            "async_mode": self._asyncMode,
+            "event_queue_size": self._eventQueue.qsize(),
+            "prioritized_event_present": self._prioritizedEvent is not None,
+            "idle_source_id": self._gidleId,
+            "prioritized_idle_source_id": self._prioritizedIdleId,
+            "events_suspended": self._eventsSuspended,
+            "suspendable_event_types": len(self._suspendableEvents),
+            "events_triggering_suspension": len(self._eventsTriggeringSuspension),
+            "ignored_event_types": len(self._ignoredEvents),
+            "script_listener_types": len(self._scriptListenerCounts),
+            "parents_of_defunct_descendants": len(self._parentsOfDefunctDescendants),
+            "cmdline_cache_size": len(self._cmdlineCache),
+            "relevance_burst_history_size": len(self._relevanceBurstHistory),
+            "churn_suppressed": self._churnSuppressed,
+            "prioritized_context_token_present": self._prioritizedContextToken is not None,
+            "key_handling_active": self._keyHandlingActive,
+            "input_event_manager_present": self._inputEventManager is not None,
+        }
+
    def set_compositor_state_adapter(self, adapter: Any) -> None:
        """Stores the compositor state adapter used for startup wiring."""

@@ -109,6 +109,21 @@ class InputEventManager:
        debug.print_message(debug.LEVEL_INFO, msg, True)
        self._device = None

+    def get_debug_snapshot(self) -> Dict[str, object]:
+        """Returns read-only counters useful for long-uptime diagnostics."""
+
+        return {
+            "device_active": self._device is not None,
+            "pointer_watcher_active": self._pointer_moved_id != 0,
+            "mapped_keycodes": len(self._mapped_keycodes),
+            "mapped_keysyms": len(self._mapped_keysyms),
+            "grabbed_bindings": len(self._grabbed_bindings),
+            "paused": self._paused,
+            "suspended_xterm_script_present": self._scriptWithSuspendedGrabsForXterm is not None,
+            "last_input_event_present": self._last_input_event is not None,
+            "last_non_modifier_key_event_present": self._last_non_modifier_key_event is not None,
+        }
+
    def enable_pointer_monitoring(self) -> bool:
        """Enables pointer monitoring on the current device, if possible."""

@@ -1102,3 +1102,25 @@ class PluginSystemManager:
        for pluginInfo in self.plugins:
            if ForceAllPlugins or pluginInfo.loaded:
                self.unloadPlugin(pluginInfo)
+
+    def get_debug_snapshot(self) -> Dict[str, object]:
+        """Returns read-only counters useful for long-uptime diagnostics."""
+
+        loadedPlugins = [info for info in self._plugins.values() if info.loaded]
+        try:
+            pluggyRegisteredPlugins = len(self.plugin_manager.get_plugins())
+        except Exception:
+            pluggyRegisteredPlugins = -1
+
+        return {
+            "scanned_plugins": len(self._plugins),
+            "active_plugins": len(self._active_plugins),
+            "loaded_plugins": len(loadedPlugins),
+            "builtin_plugins": sum(1 for info in self._plugins.values() if info.builtin),
+            "hidden_plugins": sum(1 for info in self._plugins.values() if info.hidden),
+            "plugin_keybinding_contexts": len(self._plugin_keybindings),
+            "plugin_keybindings": sum(len(bindings) for bindings in self._plugin_keybindings.values()),
+            "global_keybindings": len(self._global_bindings),
+            "last_active_script_present": self._last_active_script is not None,
+            "pluggy_registered_plugins": pluggyRegisteredPlugins,
+        }
@@ -396,6 +396,31 @@ class ScriptManager:
            reason
        )

+    def get_debug_snapshot(self) -> Dict[str, object]:
+        """Returns read-only counters useful for long-uptime diagnostics."""
+
+        activeScript = cthulhu_state.activeScript
+        activeApp = getattr(activeScript, "app", None)
+        activeAppName = ""
+        if activeApp is not None:
+            try:
+                activeAppName = AXObject.get_name(activeApp) or ""
+            except Exception:
+                activeAppName = "[unavailable]"
+
+        return {
+            "active": self._active,
+            "active_script": activeScript.__class__.__name__ if activeScript else "",
+            "active_script_app": activeAppName,
+            "default_script_present": self._defaultScript is not None,
+            "app_scripts": len(self.appScripts),
+            "toolkit_script_apps": len(self.toolkitScripts),
+            "toolkit_scripts": sum(len(scripts) for scripts in self.toolkitScripts.values()),
+            "custom_script_apps": len(self.customScripts),
+            "custom_scripts": sum(len(scripts) for scripts in self.customScripts.values()),
+            "sleep_mode_scripts": len(self._sleepModeScripts),
+        }
+
    def _get_script_for_app_replicant(self, app: Atspi.Accessible) -> Optional[Script]:
        if not self._active:
            return None
@@ -2116,6 +2116,11 @@ class Script(default.Script):
        else:
            self._clearSyntheticWebSelection()

+        if self.utilities.lastInputEventWasCharNav() and (event.source, event.detail1) == (obj, offset):
+            msg = "WEB: Event ignored: Character navigation already presented this context"
+            debug.printMessage(debug.LEVEL_INFO, msg, True)
+            return True
+
        if self._lastCommandWasCaretNav:
            msg = "WEB: Event ignored: Last command was caret nav"
            debug.printMessage(debug.LEVEL_INFO, msg, True)
@@ -2624,6 +2629,20 @@ class Script(default.Script):
                    self.utilities.setCaretContext(event.source, 0)
                    obj, offset = event.source, 0

+        if self._lastCommandWasCaretNav \
+           and obj is not event.source \
+           and AXUtilities.is_focusable(event.source) \
+           and AXUtilities.is_focused(event.source) \
+           and self.utilities.inDocumentContent(event.source) \
+           and self.utilities.isLink(event.source) \
+           and obj \
+           and AXUtilities.is_section(obj):
+            msg = "WEB: Event handled: Replacing stale section context with focused link"
+            debug.printMessage(debug.LEVEL_INFO, msg, True)
+            cthulhu.setLocusOfFocus(event, event.source, False)
+            self.utilities.setCaretContext(event.source, 0)
+            return True
+
        if self._lastCommandWasCaretNav:
            msg = "WEB: Event ignored: Last command was caret nav"
            debug.printMessage(debug.LEVEL_INFO, msg, True)
@@ -230,6 +230,7 @@ class Utilities(script_utilities.Utilities):
        self._shouldInferLabelFor = {}
        self._treatAsTextObject = {}
        self._treatAsDiv = {}
+        self.clearContentCache()
        self._paths = {}
        self._contextPathsRolesAndNames = {}
        self._canHaveCaretContextDecision = {}
@@ -1793,6 +1794,21 @@ class Utilities(script_utilities.Utilities):
        self._canHaveCaretContextDecision = {}
        return rv

+    def _trimContentsBeforeEmbeddedObjectBoundary(self, contents, obj, offset):
+        if not contents:
+            return contents
+
+        firstObj, firstStart, firstEnd, firstString = contents[0]
+        if firstObj != obj or not (firstStart < offset < firstEnd):
+            return contents
+
+        char = AXText.get_character_at_offset(obj, firstStart)[0]
+        if char != self.EMBEDDED_OBJECT_CHARACTER:
+            return contents
+
+        string = AXText.get_substring(obj, offset, firstEnd)
+        return [[firstObj, offset, firstEnd, string]] + contents[1:]
+
    def _getLineContentsAtOffset(self, obj, offset, layoutMode=None, useCache=True):
        startTime = time.time()
        if not obj:
@@ -1881,6 +1897,13 @@ class Utilities(script_utilities.Utilities):
            self._debugContentsInfo(obj, offset, objects, "Line (not layout mode)")
            return objects

+        if self.isLink(obj) and objects and objects[0][0] == obj and objects[0][1] > 0:
+            if useCache:
+                self._currentLineContents = objects
+
+            self._debugContentsInfo(obj, offset, objects, "Line (wrapped link)")
+            return objects
+
        firstObj, firstStart, firstEnd, firstString = objects[0]
        if (extents[2] == 0 and extents[3] == 0) or self.isMath(firstObj):
            extents = self.getExtents(firstObj, firstStart, firstEnd)
@@ -2027,6 +2050,13 @@ class Utilities(script_utilities.Utilities):
        tokens = ["WEB: Previous context is: ", obj, ", ", offset]
        debug.printTokens(debug.LEVEL_INFO, tokens, True)

+        if obj == firstObj and 0 <= offset < firstOffset and self.isLink(obj):
+            contents = self.getLineContentsAtOffset(obj, offset, layoutMode=False, useCache=False)
+            if contents and contents != line:
+                msg = "WEB: Using same-link non-layout previous line contents."
+                debug.printMessage(debug.LEVEL_INFO, msg, True)
+                return contents
+
        contents = self.getLineContentsAtOffset(obj, offset, layoutMode, useCache)
        if not contents:
            tokens = ["WEB: Could not get line contents for ", obj, ", ", offset]
@@ -2092,6 +2122,23 @@ class Utilities(script_utilities.Utilities):
        tokens = ["WEB: Next context is: ", obj, ", ", offset]
        debug.printTokens(debug.LEVEL_INFO, tokens, True)

+        if obj == lastObj and offset > lastOffset and self.isLink(obj):
+            contents = self.getLineContentsAtOffset(obj, offset, layoutMode=False, useCache=False)
+            if contents and contents != line:
+                msg = "WEB: Using same-link non-layout next line contents."
+                debug.printMessage(debug.LEVEL_INFO, msg, True)
+                return contents
+
+        if self.isLink(lastObj):
+            start, end = self.getHyperlinkRange(lastObj)
+            if obj == AXObject.get_parent(lastObj) and end >= 0 and offset >= end:
+                contents = self.getLineContentsAtOffset(obj, offset, layoutMode=False, useCache=False)
+                contents = self._trimContentsBeforeEmbeddedObjectBoundary(contents, obj, offset)
+                if contents and contents != line:
+                    msg = "WEB: Using non-layout line after split link."
+                    debug.printMessage(debug.LEVEL_INFO, msg, True)
+                    return contents
+
        contents = self.getLineContentsAtOffset(obj, offset, layoutMode, useCache)
        if line == contents:
            obj, offset = self.nextContext(obj, offset, True)
@@ -0,0 +1,148 @@
+import queue
+import sys
+import types
+import unittest
+from pathlib import Path
+from types import SimpleNamespace
+from unittest import mock
+
+sys.path.insert(0, str(Path(__file__).resolve().parents[1] / "src"))
+
+from cthulhu import cthulhu_state
+from cthulhu import debug
+
+stubCthulhu = types.ModuleType("cthulhu.cthulhu")
+stubCthulhu.cthulhuApp = mock.Mock()
+sys.modules.setdefault("cthulhu.cthulhu", stubCthulhu)
+
+from cthulhu import event_manager
+from cthulhu.input_event_manager import InputEventManager
+from cthulhu.plugin_system_manager import PluginSystemManager
+from cthulhu.script_manager import ScriptManager
+
+
+class RuntimeStateSnapshotTests(unittest.TestCase):
+    def test_formatter_sorts_keys_and_groups_sections(self) -> None:
+        result = debug.format_runtime_state_snapshot({
+            "event_manager": {"z_count": 2, "a_count": 1},
+            "speech": {"speech_server_present": False},
+        })
+
+        self.assertEqual(
+            result,
+            "\n".join([
+                "CTHULHU RUNTIME STATE SNAPSHOT",
+                "[event_manager]",
+                "a_count: 1",
+                "z_count: 2",
+                "[speech]",
+                "speech_server_present: False",
+            ]),
+        )
+
+    def test_event_manager_snapshot_reports_core_counters(self) -> None:
+        manager = event_manager.EventManager.__new__(event_manager.EventManager)
+        manager._active = True
+        manager._asyncMode = True
+        manager._eventQueue = queue.Queue()
+        manager._eventQueue.put(object())
+        manager._prioritizedEvent = object()
+        manager._gidleId = 11
+        manager._prioritizedIdleId = 12
+        manager._eventsSuspended = True
+        manager._suspendableEvents = ["object:children-changed:add"]
+        manager._eventsTriggeringSuspension = [object(), object()]
+        manager._ignoredEvents = ["object:bounds-changed"]
+        manager._scriptListenerCounts = {"focus:": 1}
+        manager._parentsOfDefunctDescendants = [object()]
+        manager._cmdlineCache = {123: "app"}
+        manager._relevanceBurstHistory = {("a", "b", "c"): 1.0}
+        manager._churnSuppressed = True
+        manager._prioritizedContextToken = "token"
+        manager._keyHandlingActive = True
+        manager._inputEventManager = object()
+
+        snapshot = manager.get_debug_snapshot()
+
+        self.assertEqual(1, snapshot["event_queue_size"])
+        self.assertTrue(snapshot["prioritized_event_present"])
+        self.assertEqual(11, snapshot["idle_source_id"])
+        self.assertEqual(2, snapshot["events_triggering_suspension"])
+        self.assertEqual(1, snapshot["cmdline_cache_size"])
+        self.assertTrue(snapshot["prioritized_context_token_present"])
+
+    def test_input_event_manager_snapshot_reports_grab_state(self) -> None:
+        manager = InputEventManager()
+        manager._device = object()
+        manager._pointer_moved_id = 42
+        manager._mapped_keycodes = [1, 2]
+        manager._mapped_keysyms = [3]
+        manager._grabbed_bindings = {10: object(), 11: object()}
+        manager._paused = True
+        manager._scriptWithSuspendedGrabsForXterm = object()
+        manager._last_input_event = object()
+        manager._last_non_modifier_key_event = None
+
+        snapshot = manager.get_debug_snapshot()
+
+        self.assertTrue(snapshot["device_active"])
+        self.assertTrue(snapshot["pointer_watcher_active"])
+        self.assertEqual(2, snapshot["mapped_keycodes"])
+        self.assertEqual(1, snapshot["mapped_keysyms"])
+        self.assertEqual(2, snapshot["grabbed_bindings"])
+        self.assertTrue(snapshot["suspended_xterm_script_present"])
+        self.assertFalse(snapshot["last_non_modifier_key_event_present"])
+
+    def test_script_manager_snapshot_reports_cache_counts(self) -> None:
+        activeScript = SimpleNamespace(app=None)
+        oldActiveScript = cthulhu_state.activeScript
+        cthulhu_state.activeScript = activeScript
+        try:
+            manager = ScriptManager.__new__(ScriptManager)
+            manager._active = True
+            manager._defaultScript = object()
+            manager.appScripts = {"app": object()}
+            manager.toolkitScripts = {"app": {"toolkit": object()}}
+            manager.customScripts = {"app": {"role": object(), "other": object()}}
+            manager._sleepModeScripts = {"app": object()}
+
+            snapshot = manager.get_debug_snapshot()
+        finally:
+            cthulhu_state.activeScript = oldActiveScript
+
+        self.assertTrue(snapshot["active"])
+        self.assertEqual("SimpleNamespace", snapshot["active_script"])
+        self.assertTrue(snapshot["default_script_present"])
+        self.assertEqual(1, snapshot["app_scripts"])
+        self.assertEqual(1, snapshot["toolkit_scripts"])
+        self.assertEqual(2, snapshot["custom_scripts"])
+        self.assertEqual(1, snapshot["sleep_mode_scripts"])
+
+    def test_plugin_system_manager_snapshot_reports_plugin_counts(self) -> None:
+        manager = PluginSystemManager.__new__(PluginSystemManager)
+        manager._plugins = {
+            "Loaded": SimpleNamespace(loaded=True, builtin=False, hidden=False),
+            "Builtin": SimpleNamespace(loaded=True, builtin=True, hidden=False),
+            "Hidden": SimpleNamespace(loaded=False, builtin=False, hidden=True),
+        }
+        manager._active_plugins = ["Loaded", "Builtin"]
+        manager._plugin_keybindings = {"Loaded": [object(), object()]}
+        manager._global_bindings = [object()]
+        manager._last_active_script = object()
+        manager.plugin_manager = mock.Mock()
+        manager.plugin_manager.get_plugins.return_value = [object(), object()]
+
+        snapshot = manager.get_debug_snapshot()
+
+        self.assertEqual(3, snapshot["scanned_plugins"])
+        self.assertEqual(2, snapshot["active_plugins"])
+        self.assertEqual(2, snapshot["loaded_plugins"])
+        self.assertEqual(1, snapshot["builtin_plugins"])
+        self.assertEqual(1, snapshot["hidden_plugins"])
+        self.assertEqual(2, snapshot["plugin_keybindings"])
+        self.assertEqual(1, snapshot["global_keybindings"])
+        self.assertEqual(2, snapshot["pluggy_registered_plugins"])
+
+
+if __name__ == "__main__":
+    unittest.main()
@@ -329,6 +329,34 @@ class WebFocusSpeechInterruptionRegressionTests(unittest.TestCase):
        speak.assert_called_once_with(["focus speech"], interrupt=False)


+class WebCaretMovedRegressionTests(unittest.TestCase):
+    def _make_script(self):
+        testScript = web_script.Script.__new__(web_script.Script)
+        testScript._lastCommandWasCaretNav = False
+        testScript._lastCommandWasStructNav = False
+        testScript._lastCommandWasMouseButton = False
+        testScript._clearSyntheticWebSelection = mock.Mock()
+        testScript.utilities = mock.Mock()
+        testScript.utilities.isZombie.return_value = False
+        testScript.utilities.getTopLevelDocumentForObject.return_value = "document"
+        testScript.utilities.getCaretContext.return_value = ("source", 4)
+        testScript.utilities.lastInputEventWasCaretNavWithSelection.return_value = False
+        testScript.utilities.lastInputEventWasCharNav.return_value = True
+        return testScript
+
+    def test_matching_char_nav_caret_event_is_consumed_without_duplicate_presentation(self):
+        testScript = self._make_script()
+        source = "source"
+        event = mock.Mock(source=source, detail1=4)
+
+        with mock.patch.object(web_script.cthulhu, "setLocusOfFocus") as setLocusOfFocus:
+            result = web_script.Script.onCaretMoved(testScript, event)
+
+        self.assertTrue(result)
+        testScript.utilities.setCaretContext.assert_not_called()
+        setLocusOfFocus.assert_not_called()
+
+
 class WebDescriptionChangeRegressionTests(unittest.TestCase):
    def _make_script(self):
        testScript = web_script.Script.__new__(web_script.Script)
@@ -452,6 +480,35 @@ class WebDynamicContentRecoveryRegressionTests(unittest.TestCase):
        setLocusOfFocus.assert_called_once_with(event, source, False)
        testScript.utilities.setCaretContext.assert_called_once_with(source, 0)

+    def test_focused_link_replaces_stale_section_context_after_caret_nav(self):
+        testScript = self._make_dynamic_script()
+        document = object()
+        section = object()
+        link = object()
+        event = mock.Mock(detail1=1, source=link)
+        testScript._lastCommandWasCaretNav = True
+        testScript.utilities.getDocumentForObject.return_value = document
+        testScript.utilities.isWebAppDescendant.return_value = False
+        testScript.utilities.handleEventFromContextReplicant.return_value = False
+        testScript.utilities.getCaretContext.return_value = (section, 4)
+        testScript.utilities.isLink.side_effect = lambda obj: obj is link
+
+        with (
+            mock.patch.object(web_script.cthulhu_state, "locusOfFocus", section),
+            mock.patch.object(web_script.AXUtilities, "is_editable", return_value=False),
+            mock.patch.object(web_script.AXUtilities, "is_dialog_or_alert", return_value=False),
+            mock.patch.object(web_script.AXUtilities, "is_focusable", return_value=True),
+            mock.patch.object(web_script.AXUtilities, "is_focused", return_value=True),
+            mock.patch.object(web_script.AXUtilities, "is_section", side_effect=lambda obj: obj is section),
+            mock.patch.object(web_script.cthulhu, "setLocusOfFocus") as setLocusOfFocus,
+        ):
+            result = web_script.Script.onFocusedChanged(testScript, event)
+
+        self.assertTrue(result)
+        setLocusOfFocus.assert_called_once_with(event, link, False)
+        testScript.utilities.setCaretContext.assert_called_once_with(link, 0)
+        testScript.utilities.searchForCaretContext.assert_not_called()
+
    def test_browse_mode_sticky_blocks_web_app_descendant_focus_claim(self):
        testScript = self._make_dynamic_script()
        source = object()
@@ -635,3 +692,178 @@ class WebSelectionRegressionTests(unittest.TestCase):
            result = web_script_utilities.Utilities.allSelectedText(utilities, obj)

        self.assertEqual(result, ["Dark", 0, 4])
+
+
+class WebContentCacheRegressionTests(unittest.TestCase):
+    def test_clear_cached_objects_clears_current_line_contents(self):
+        utilities = web_script_utilities.Utilities.__new__(web_script_utilities.Utilities)
+        utilities._currentObjectContents = ["object"]
+        utilities._currentSentenceContents = ["sentence"]
+        utilities._currentLineContents = ["line"]
+        utilities._currentWordContents = ["word"]
+        utilities._currentCharacterContents = ["character"]
+        utilities._currentTextAttrs = {"attrs": True}
+        utilities._cleanupContexts = mock.Mock()
+
+        web_script_utilities.Utilities.clearCachedObjects(utilities)
+
+        self.assertIsNone(utilities._currentObjectContents)
+        self.assertIsNone(utilities._currentSentenceContents)
+        self.assertIsNone(utilities._currentLineContents)
+        self.assertIsNone(utilities._currentWordContents)
+        self.assertIsNone(utilities._currentCharacterContents)
+        self.assertEqual(utilities._currentTextAttrs, {})
+        utilities._cleanupContexts.assert_called_once_with()
+
+
+class WebSplitLinkLineNavigationRegressionTests(unittest.TestCase):
+    def _make_utilities(self, link):
+        utilities = web_script_utilities.Utilities.__new__(web_script_utilities.Utilities)
+        utilities.isZombie = mock.Mock(return_value=False)
+        utilities.getMathAncestor = mock.Mock(return_value=None)
+        utilities.isLink = mock.Mock(side_effect=lambda obj: obj is link)
+        utilities.clearCachedObjects = mock.Mock()
+        return utilities
+
+    def test_next_line_uses_non_layout_contents_for_split_link(self):
+        link = object()
+        utilities = self._make_utilities(link)
+        currentLine = [[link, 0, 20, "https://stormux.org/"]]
+        nextLine = [[link, 20, 29, "downloads"]]
+        utilities.nextContext = mock.Mock(return_value=(link, 20))
+        utilities.getLineContentsAtOffset = mock.Mock(side_effect=[currentLine, nextLine])
+
+        manager = mock.Mock()
+        manager.get_speak_blank_lines.return_value = False
+        with mock.patch.object(
+            web_script_utilities.speech_and_verbosity_manager,
+            "getManager",
+            return_value=manager,
+        ):
+            result = web_script_utilities.Utilities.getNextLineContents(utilities, link, 0)
+
+        self.assertEqual(result, nextLine)
+        utilities.nextContext.assert_called_once_with(link, 19, True)
+        self.assertEqual(
+            utilities.getLineContentsAtOffset.call_args_list,
+            [
+                mock.call(link, 0, None, True),
+                mock.call(link, 20, layoutMode=False, useCache=False),
+            ],
+        )
+
+    def test_previous_line_uses_non_layout_contents_for_split_link(self):
+        link = object()
+        utilities = self._make_utilities(link)
+        previousLine = [[link, 0, 20, "https://stormux.org/"]]
+        currentLine = [[link, 20, 29, "downloads"]]
+        utilities.previousContext = mock.Mock(return_value=(link, 19))
+        utilities.getLineContentsAtOffset = mock.Mock(side_effect=[currentLine, previousLine])
+
+        manager = mock.Mock()
+        manager.get_speak_blank_lines.return_value = False
+        with mock.patch.object(
+            web_script_utilities.speech_and_verbosity_manager,
+            "getManager",
+            return_value=manager,
+        ):
+            result = web_script_utilities.Utilities.getPreviousLineContents(utilities, link, 20)
+
+        self.assertEqual(result, previousLine)
+        utilities.previousContext.assert_called_once_with(link, 20, True)
+        self.assertEqual(
+            utilities.getLineContentsAtOffset.call_args_list,
+            [
+                mock.call(link, 20, None, True),
+                mock.call(link, 19, layoutMode=False, useCache=False),
+            ],
+        )
+
+    def test_current_line_on_wrapped_link_continuation_does_not_expand_to_parent(self):
+        link = object()
+        utilities = self._make_utilities(link)
+        utilities._currentLineContents = None
+        utilities._debugContentsInfo = mock.Mock()
+        utilities.findObjectInContents = mock.Mock(return_value=-1)
+        utilities.treatAsEndOfLine = mock.Mock(return_value=False)
+        utilities.getExtents = mock.Mock(return_value=[321, 763, 86, 19])
+        utilities.isInlineListDescendant = mock.Mock(return_value=False)
+        utilities._getContentsForObj = mock.Mock(
+            return_value=[[link, 20, 29, "downloads"]]
+        )
+        utilities.getDocumentForObject = mock.Mock()
+
+        with (
+            mock.patch.object(web_script_utilities.AXObject, "is_dead", return_value=False),
+            mock.patch.object(web_script_utilities.AXObject, "find_ancestor", return_value=None),
+            mock.patch.object(web_script_utilities.AXUtilities, "is_tool_bar", return_value=False),
+            mock.patch.object(web_script_utilities.AXUtilities, "is_menu_bar", return_value=False),
+        ):
+            result = web_script_utilities.Utilities._getLineContentsAtOffset(
+                utilities,
+                link,
+                23,
+                layoutMode=True,
+            )
+
+        self.assertEqual(result, [[link, 20, 29, "downloads"]])
+        utilities.getDocumentForObject.assert_not_called()
+        utilities._debugContentsInfo.assert_called_once_with(
+            link,
+            23,
+            [[link, 20, 29, "downloads"]],
+            "Line (wrapped link)",
+        )
+
+    def test_next_line_after_split_link_uses_parent_line_after_embedded_marker(self):
+        link = object()
+        paragraph = object()
+        utilities = self._make_utilities(link)
+        currentLine = [[link, 20, 29, "downloads"]]
+        paragraphLine = [[paragraph, 95, 191, "[OBJ]. On first boot"]]
+        expectedLine = [[paragraph, 96, 191, ". On first boot"]]
+        utilities.nextContext = mock.Mock(return_value=(paragraph, 96))
+        utilities.getLineContentsAtOffset = mock.Mock(
+            side_effect=[currentLine, paragraphLine]
+        )
+        utilities.getHyperlinkRange = mock.Mock(return_value=(95, 96))
+
+        manager = mock.Mock()
+        manager.get_speak_blank_lines.return_value = False
+        with (
+            mock.patch.object(
+                web_script_utilities.speech_and_verbosity_manager,
+                "getManager",
+                return_value=manager,
+            ),
+            mock.patch.object(
+                web_script_utilities.AXObject,
+                "get_parent",
+                return_value=paragraph,
+            ),
+            mock.patch.object(
+                web_script_utilities.AXText,
+                "get_character_at_offset",
+                return_value=(utilities.EMBEDDED_OBJECT_CHARACTER, 95, 96),
+            ),
+            mock.patch.object(
+                web_script_utilities.AXText,
+                "get_substring",
+                return_value=". On first boot",
+            ),
+        ):
+            result = web_script_utilities.Utilities.getNextLineContents(
+                utilities,
+                link,
+                23,
+            )
+
+        self.assertEqual(result, expectedLine)
+        utilities.nextContext.assert_called_once_with(link, 28, True)
+        self.assertEqual(
+            utilities.getLineContentsAtOffset.call_args_list,
+            [
+                mock.call(link, 23, None, True),
+                mock.call(paragraph, 96, layoutMode=False, useCache=False),
+            ],
+        )