diff options
Diffstat (limited to 'Tools/DumpRenderTree/atk/AccessibilityCallbacksAtk.cpp')
| -rw-r--r-- | Tools/DumpRenderTree/atk/AccessibilityCallbacksAtk.cpp | 297 |
1 files changed, 0 insertions, 297 deletions
diff --git a/Tools/DumpRenderTree/atk/AccessibilityCallbacksAtk.cpp b/Tools/DumpRenderTree/atk/AccessibilityCallbacksAtk.cpp deleted file mode 100644 index 01f6651b4..000000000 --- a/Tools/DumpRenderTree/atk/AccessibilityCallbacksAtk.cpp +++ /dev/null @@ -1,297 +0,0 @@ -/* - * Copyright (C) 2011 Igalia S.L. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of - * its contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "config.h" -#include "AccessibilityCallbacks.h" - -#if HAVE(ACCESSIBILITY) - -#include "AccessibilityController.h" -#include "AccessibilityNotificationHandlerAtk.h" -#include "DumpRenderTree.h" -#include "JSRetainPtr.h" -#include <atk/atk.h> -#include <wtf/gobject/GUniquePtr.h> - -#if PLATFORM(GTK) -#include "WebCoreSupport/DumpRenderTreeSupportGtk.h" -#include <webkit/webkit.h> -#endif - -#if PLATFORM(EFL) -#include "DumpRenderTreeChrome.h" -#include "WebCoreSupport/DumpRenderTreeSupportEfl.h" -#endif - -typedef HashMap<PlatformUIElement, AccessibilityNotificationHandler*> NotificationHandlersMap; - -static guint stateChangeListenerId = 0; -static guint focusEventListenerId = 0; -static guint activeDescendantChangedListenerId = 0; -static guint childrenChangedListenerId = 0; -static guint propertyChangedListenerId = 0; -static guint visibleDataChangedListenerId = 0; -static guint loadCompleteListenerId = 0; -// Up to 2014 it was obligatory to mirror the changes from -// WebKitTestRunner/InjectedBundle/atk/AccessibilityNotificationHandlerAtk.cpp, -// but the habit has been dropped: https://bugs.webkit.org/show_bug.cgi?id=132527#c6 -static NotificationHandlersMap notificationHandlers; -static AccessibilityNotificationHandler* globalNotificationHandler = 0; - -extern bool loggingAccessibilityEvents; - -static void printAccessibilityEvent(AtkObject* accessible, const gchar* signalName, const gchar* signalValue) -{ - // Do not handle state-change:defunct signals, as the AtkObject - // associated to them will not be valid at this point already. - if (!signalName || !g_strcmp0(signalName, "state-change:defunct")) - return; - - if (!accessible || !ATK_IS_OBJECT(accessible)) - return; - - const gchar* objectName = atk_object_get_name(accessible); - AtkRole objectRole = atk_object_get_role(accessible); - - // Try to always provide a name to be logged for the object. - if (!objectName || *objectName == '\0') - objectName = "(No name)"; - - GUniquePtr<gchar> signalNameAndValue(signalValue ? g_strdup_printf("%s = %s", signalName, signalValue) : g_strdup(signalName)); - printf("Accessibility object emitted \"%s\" / Name: \"%s\" / Role: %d\n", signalNameAndValue.get(), objectName, objectRole); -} - -static gboolean axObjectEventListener(GSignalInvocationHint *signalHint, guint numParamValues, const GValue *paramValues, gpointer data) -{ - // At least we should receive the instance emitting the signal. - if (numParamValues < 1) - return true; - - AtkObject* accessible = ATK_OBJECT(g_value_get_object(¶mValues[0])); - if (!accessible || !ATK_IS_OBJECT(accessible)) - return true; - - GSignalQuery signalQuery; - GUniquePtr<gchar> signalName; - GUniquePtr<gchar> signalValue; - String notificationName; - - g_signal_query(signalHint->signal_id, &signalQuery); - - if (!g_strcmp0(signalQuery.signal_name, "state-change")) { - signalName.reset(g_strdup_printf("state-change:%s", g_value_get_string(¶mValues[1]))); - signalValue.reset(g_strdup_printf("%d", g_value_get_boolean(¶mValues[2]))); - if (!g_strcmp0(g_value_get_string(¶mValues[1]), "checked")) - notificationName = "CheckedStateChanged"; - else if (!g_strcmp0(g_value_get_string(¶mValues[1]), "invalid-entry")) - notificationName = "AXInvalidStatusChanged"; - } else if (!g_strcmp0(signalQuery.signal_name, "focus-event")) { - signalName.reset(g_strdup("focus-event")); - signalValue.reset(g_strdup_printf("%d", g_value_get_boolean(¶mValues[1]))); - if (g_value_get_boolean(¶mValues[1])) - notificationName = "AXFocusedUIElementChanged"; - } else if (!g_strcmp0(signalQuery.signal_name, "children-changed")) { - const gchar* childrenChangedDetail = g_quark_to_string(signalHint->detail); - signalName.reset(g_strdup_printf("children-changed:%s", childrenChangedDetail)); - signalValue.reset(g_strdup_printf("%d", g_value_get_uint(¶mValues[1]))); - notificationName = !g_strcmp0(childrenChangedDetail, "add") ? "AXChildrenAdded" : "AXChildrenRemoved"; - } else if (!g_strcmp0(signalQuery.signal_name, "property-change")) { - signalName.reset(g_strdup_printf("property-change:%s", g_quark_to_string(signalHint->detail))); - if (!g_strcmp0(g_quark_to_string(signalHint->detail), "accessible-value")) - notificationName = "AXValueChanged"; - } else if (!g_strcmp0(signalQuery.signal_name, "load-complete")) - notificationName = "AXLoadComplete"; - else - signalName.reset(g_strdup(signalQuery.signal_name)); - - if (loggingAccessibilityEvents) - printAccessibilityEvent(accessible, signalName.get(), signalValue.get()); - -#if PLATFORM(GTK) - JSGlobalContextRef jsContext = webkit_web_frame_get_global_context(mainFrame); -#elif PLATFORM(EFL) - JSGlobalContextRef jsContext = DumpRenderTreeSupportEfl::globalContextRefForFrame(browser->mainFrame()); -#else - JSContextRef jsContext = 0; -#endif - if (!jsContext) - return true; - - if (notificationName.length()) { - JSRetainPtr<JSStringRef> jsNotificationEventName(Adopt, JSStringCreateWithUTF8CString(notificationName.utf8().data())); - JSValueRef notificationNameArgument = JSValueMakeString(jsContext, jsNotificationEventName.get()); - NotificationHandlersMap::iterator elementNotificationHandler = notificationHandlers.find(accessible); - if (elementNotificationHandler != notificationHandlers.end()) { - // Listener for one element just gets one argument, the notification name. - JSObjectCallAsFunction(jsContext, elementNotificationHandler->value->notificationFunctionCallback(), 0, 1, ¬ificationNameArgument, 0); - } - - if (globalNotificationHandler) { - // A global listener gets the element and the notification name as arguments. - JSValueRef arguments[2]; - arguments[0] = AccessibilityUIElement::makeJSAccessibilityUIElement(jsContext, AccessibilityUIElement(accessible)); - arguments[1] = notificationNameArgument; - JSObjectCallAsFunction(jsContext, globalNotificationHandler->notificationFunctionCallback(), 0, 2, arguments, 0); - } - } - - return true; -} - -void connectAccessibilityCallbacks() -{ - // Ensure no callbacks are connected before. - if (!disconnectAccessibilityCallbacks()) - return; - - // Ensure that accessibility is initialized for the WebView by querying for - // the root accessible object, which will create the full hierarchy. -#if PLATFORM(GTK) - DumpRenderTreeSupportGtk::getRootAccessibleElement(mainFrame); -#elif PLATFORM(EFL) - DumpRenderTreeSupportEfl::rootAccessibleElement(browser->mainFrame()); -#endif - - // Add global listeners for AtkObject's signals. - stateChangeListenerId = atk_add_global_event_listener(axObjectEventListener, "ATK:AtkObject:state-change"); - focusEventListenerId = atk_add_global_event_listener(axObjectEventListener, "ATK:AtkObject:focus-event"); - activeDescendantChangedListenerId = atk_add_global_event_listener(axObjectEventListener, "ATK:AtkObject:active-descendant-changed"); - childrenChangedListenerId = atk_add_global_event_listener(axObjectEventListener, "ATK:AtkObject:children-changed"); - propertyChangedListenerId = atk_add_global_event_listener(axObjectEventListener, "ATK:AtkObject:property-change"); - visibleDataChangedListenerId = atk_add_global_event_listener(axObjectEventListener, "ATK:AtkObject:visible-data-changed"); - loadCompleteListenerId = atk_add_global_event_listener(axObjectEventListener, "ATK:AtkDocument:load-complete"); - - // Ensure the Atk interface types are registered, otherwise - // the AtkDocument signal handlers below won't get registered. - GObject* dummyAxObject = G_OBJECT(g_object_new(ATK_TYPE_OBJECT, 0)); - AtkObject* dummyNoOpAxObject = atk_no_op_object_new(dummyAxObject); - g_object_unref(G_OBJECT(dummyNoOpAxObject)); - g_object_unref(dummyAxObject); -} - -bool disconnectAccessibilityCallbacks() -{ - // Only disconnect if logging is off and there is no notification handler. - if (loggingAccessibilityEvents || !notificationHandlers.isEmpty() || globalNotificationHandler) - return false; - - // AtkObject signals. - if (stateChangeListenerId) { - atk_remove_global_event_listener(stateChangeListenerId); - stateChangeListenerId = 0; - } - if (focusEventListenerId) { - atk_remove_global_event_listener(focusEventListenerId); - focusEventListenerId = 0; - } - if (activeDescendantChangedListenerId) { - atk_remove_global_event_listener(activeDescendantChangedListenerId); - activeDescendantChangedListenerId = 0; - } - if (childrenChangedListenerId) { - atk_remove_global_event_listener(childrenChangedListenerId); - childrenChangedListenerId = 0; - } - if (propertyChangedListenerId) { - atk_remove_global_event_listener(propertyChangedListenerId); - propertyChangedListenerId = 0; - } - if (visibleDataChangedListenerId) { - atk_remove_global_event_listener(visibleDataChangedListenerId); - visibleDataChangedListenerId = 0; - } - if (loadCompleteListenerId) { - atk_remove_global_event_listener(loadCompleteListenerId); - loadCompleteListenerId = 0; - } - - return true; -} - -void addAccessibilityNotificationHandler(AccessibilityNotificationHandler* notificationHandler) -{ - if (!notificationHandler) - return; - -#if PLATFORM(GTK) - JSGlobalContextRef jsContext = webkit_web_frame_get_global_context(mainFrame); -#elif PLATFORM(EFL) - JSGlobalContextRef jsContext = DumpRenderTreeSupportEfl::globalContextRefForFrame(browser->mainFrame()); -#else - JSContextRef jsContext = 0; -#endif - if (!jsContext) - return; - - JSValueProtect(jsContext, notificationHandler->notificationFunctionCallback()); - // Check if this notification handler is related to a specific element. - if (notificationHandler->platformElement()) { - NotificationHandlersMap::iterator currentNotificationHandler = notificationHandlers.find(notificationHandler->platformElement()); - if (currentNotificationHandler != notificationHandlers.end()) { - ASSERT(currentNotificationHandler->value->platformElement()); - JSValueUnprotect(jsContext, currentNotificationHandler->value->notificationFunctionCallback()); - notificationHandlers.remove(currentNotificationHandler->value->platformElement()); - } - notificationHandlers.add(notificationHandler->platformElement(), notificationHandler); - } else { - if (globalNotificationHandler) - JSValueUnprotect(jsContext, globalNotificationHandler->notificationFunctionCallback()); - globalNotificationHandler = notificationHandler; - } - - connectAccessibilityCallbacks(); -} - -void removeAccessibilityNotificationHandler(AccessibilityNotificationHandler* notificationHandler) -{ - if (!notificationHandler) - return; - -#if PLATFORM(GTK) - JSGlobalContextRef jsContext = webkit_web_frame_get_global_context(mainFrame); -#elif PLATFORM(EFL) - JSGlobalContextRef jsContext = DumpRenderTreeSupportEfl::globalContextRefForFrame(browser->mainFrame()); -#else - JSGlobalContextRef jsContext = 0; -#endif - if (!jsContext) - return; - - if (globalNotificationHandler == notificationHandler) { - JSValueUnprotect(jsContext, globalNotificationHandler->notificationFunctionCallback()); - globalNotificationHandler = 0; - } else if (notificationHandler->platformElement()) { - NotificationHandlersMap::iterator removeNotificationHandler = notificationHandlers.find(notificationHandler->platformElement()); - if (removeNotificationHandler != notificationHandlers.end()) { - JSValueUnprotect(jsContext, removeNotificationHandler->value->notificationFunctionCallback()); - notificationHandlers.remove(removeNotificationHandler); - } - } -} - -#endif |