зеркало из https://github.com/mozilla/pjs.git
Fix for bug 377756 - move property change events code to atk, r=ginn.chen
This commit is contained in:
surkov.alexander@gmail.com
Родитель
abadbd37bc
Коммит
2922a122a3
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@ -253,6 +253,26 @@ mai_atk_object_get_type(void)
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return type;
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}
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/*
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* Must keep sychronization with enumerate AtkProperty in
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* accessible/src/base/nsAccessibleEventData.h
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*/
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static char * sAtkPropertyNameArray[PROP_LAST] = {
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0,
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"accessible-name",
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"accessible-description",
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"accessible-parent",
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"accessible-role",
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"accessible-layer",
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"accessible-mdi-zorder",
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"accessible-table-caption",
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"accessible-table-column-description",
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"accessible-table-column-header",
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"accessible-table-row-description",
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"accessible-table-row-header",
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"accessible-table-summary"
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};
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#ifdef MAI_LOGGING
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PRInt32 nsAccessibleWrap::mAccWrapCreated = 0;
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PRInt32 nsAccessibleWrap::mAccWrapDeleted = 0;
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@ -1039,68 +1059,155 @@ nsAccessibleWrap::FireAccessibleEvent(nsIAccessibleEvent *aEvent)
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switch (type) {
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case nsIAccessibleEvent::EVENT_STATE_CHANGE:
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{
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MAI_LOG_DEBUG(("\n\nReceived: EVENT_STATE_CHANGE\n"));
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nsCOMPtr<nsIAccessibleStateChangeEvent> event =
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do_QueryInterface(aEvent);
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NS_ENSURE_TRUE(event, NS_ERROR_FAILURE);
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PRUint32 state = 0;
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event->GetState(&state);
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PRBool isExtra;
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event->IsExtraState(&isExtra);
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PRBool isEnabled;
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event->IsEnabled(&isEnabled);
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PRInt32 stateIndex = AtkStateMap::GetStateIndexFor(state);
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if (stateIndex >= 0) {
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const AtkStateMap *atkStateMap = isExtra ? gAtkStateMapExt : gAtkStateMap;
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NS_ASSERTION(atkStateMap[stateIndex].stateMapEntryType != kNoSuchState,
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"No such state");
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if (atkStateMap[stateIndex].atkState != kNone) {
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NS_ASSERTION(atkStateMap[stateIndex].stateMapEntryType != kNoStateChange,
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"State changes should not fired for this state");
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if (atkStateMap[stateIndex].stateMapEntryType == kMapOpposite)
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isEnabled = !isEnabled;
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// Fire state change for first state if there is one to map
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atk_object_notify_state_change(atkObj,
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atkStateMap[stateIndex].atkState,
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isEnabled);
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}
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}
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break;
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}
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return FireAtkStateChangeEvent(aEvent, atkObj);
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case nsIAccessibleEvent::EVENT_TEXT_CHANGED:
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MAI_LOG_DEBUG(("\n\nReceived: EVENT_TEXT_CHANGED\n"));
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return FireAtkTextChangedEvent(aEvent, atkObj);
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nsCOMPtr<nsIAccessibleTextChangeEvent> event =
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do_QueryInterface(aEvent);
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NS_ENSURE_TRUE(event, NS_ERROR_FAILURE);
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PRInt32 start = 0;
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event->GetStart(&start);
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PRUint32 length = 0;
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event->GetLength(&length);
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PRBool isInserted;
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event->IsInserted(&isInserted);
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g_signal_emit_by_name (atkObj,
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isInserted ? \
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"text_changed::insert":"text_changed::delete",
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start,
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length);
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break;
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case nsIAccessibleEvent::EVENT_PROPERTY_CHANGED:
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return FireAtkPropChangedEvent(aEvent, atkObj);
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}
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return NS_OK;
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}
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nsresult
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nsAccessibleWrap::FireAtkStateChangeEvent(nsIAccessibleEvent *aEvent,
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AtkObject *aObject)
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{
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MAI_LOG_DEBUG(("\n\nReceived: EVENT_STATE_CHANGE\n"));
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nsCOMPtr<nsIAccessibleStateChangeEvent> event =
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do_QueryInterface(aEvent);
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NS_ENSURE_TRUE(event, NS_ERROR_FAILURE);
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PRUint32 state = 0;
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event->GetState(&state);
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PRBool isExtra;
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event->IsExtraState(&isExtra);
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PRBool isEnabled;
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event->IsEnabled(&isEnabled);
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PRInt32 stateIndex = AtkStateMap::GetStateIndexFor(state);
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if (stateIndex >= 0) {
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const AtkStateMap *atkStateMap = isExtra ? gAtkStateMapExt : gAtkStateMap;
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NS_ASSERTION(atkStateMap[stateIndex].stateMapEntryType != kNoSuchState,
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"No such state");
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if (atkStateMap[stateIndex].atkState != kNone) {
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NS_ASSERTION(atkStateMap[stateIndex].stateMapEntryType != kNoStateChange,
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"State changes should not fired for this state");
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if (atkStateMap[stateIndex].stateMapEntryType == kMapOpposite)
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isEnabled = !isEnabled;
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// Fire state change for first state if there is one to map
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atk_object_notify_state_change(aObject,
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atkStateMap[stateIndex].atkState,
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isEnabled);
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}
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}
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return NS_OK;
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}
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nsresult
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nsAccessibleWrap::FireAtkTextChangedEvent(nsIAccessibleEvent *aEvent,
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AtkObject *aObject)
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{
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MAI_LOG_DEBUG(("\n\nReceived: EVENT_TEXT_CHANGED\n"));
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nsCOMPtr<nsIAccessibleTextChangeEvent> event =
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do_QueryInterface(aEvent);
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NS_ENSURE_TRUE(event, NS_ERROR_FAILURE);
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PRInt32 start = 0;
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event->GetStart(&start);
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PRUint32 length = 0;
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event->GetLength(&length);
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PRBool isInserted;
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event->IsInserted(&isInserted);
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g_signal_emit_by_name (aObject,
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isInserted ? \
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"text_changed::insert":"text_changed::delete",
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start,
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length);
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return NS_OK;
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}
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nsresult
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nsAccessibleWrap::FireAtkPropChangedEvent(nsIAccessibleEvent *aEvent,
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AtkObject *aObject)
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{
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MAI_LOG_DEBUG(("\n\nReceived: EVENT_PROPERTY_CHANGED\n"));
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AtkPropertyChange *pAtkPropChange;
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AtkPropertyValues values = { NULL };
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nsAccessibleWrap *oldAccWrap = nsnull, *newAccWrap = nsnull;
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nsAccEvent *event = NS_REINTERPRET_CAST(nsAccEvent*, aEvent);
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pAtkPropChange = NS_REINTERPRET_CAST(AtkPropertyChange *, event->mEventData);
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values.property_name = sAtkPropertyNameArray[pAtkPropChange->type];
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NS_ASSERTION(pAtkPropChange, "Event needs event data");
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if (!pAtkPropChange)
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return NS_OK;
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MAI_LOG_DEBUG(("\n\nthe type of EVENT_PROPERTY_CHANGED: %d\n\n",
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pAtkPropChange->type));
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switch (pAtkPropChange->type) {
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case PROP_TABLE_CAPTION:
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case PROP_TABLE_SUMMARY:
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if (pAtkPropChange->oldvalue)
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oldAccWrap = NS_REINTERPRET_CAST(nsAccessibleWrap *,
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pAtkPropChange->oldvalue);
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if (pAtkPropChange->newvalue)
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newAccWrap = NS_REINTERPRET_CAST(nsAccessibleWrap *,
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pAtkPropChange->newvalue);
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if (oldAccWrap && newAccWrap) {
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g_value_init(&values.old_value, G_TYPE_POINTER);
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g_value_set_pointer(&values.old_value,
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oldAccWrap->GetAtkObject());
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g_value_init(&values.new_value, G_TYPE_POINTER);
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g_value_set_pointer(&values.new_value,
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newAccWrap->GetAtkObject());
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}
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break;
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case PROP_TABLE_COLUMN_DESCRIPTION:
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case PROP_TABLE_COLUMN_HEADER:
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case PROP_TABLE_ROW_HEADER:
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case PROP_TABLE_ROW_DESCRIPTION:
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g_value_init(&values.new_value, G_TYPE_INT);
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g_value_set_int(&values.new_value,
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*NS_REINTERPRET_CAST(gint *,
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pAtkPropChange->newvalue));
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break;
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//Perhaps need more cases in the future
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default:
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g_value_init (&values.old_value, G_TYPE_POINTER);
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g_value_set_pointer (&values.old_value, pAtkPropChange->oldvalue);
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g_value_init (&values.new_value, G_TYPE_POINTER);
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g_value_set_pointer (&values.new_value, pAtkPropChange->newvalue);
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}
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char *signal_name = g_strconcat("property_change::",
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values.property_name, NULL);
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g_signal_emit_by_name(aObject, signal_name, &values, NULL);
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g_free (signal_name);
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return NS_OK;
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}
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@ -53,6 +53,29 @@
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struct _AtkObject;
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typedef struct _AtkObject AtkObject;
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enum AtkProperty {
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PROP_0, // gobject convention
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PROP_NAME,
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PROP_DESCRIPTION,
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PROP_PARENT, // ancestry has changed
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PROP_ROLE,
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PROP_LAYER,
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PROP_MDI_ZORDER,
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PROP_TABLE_CAPTION,
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PROP_TABLE_COLUMN_DESCRIPTION,
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PROP_TABLE_COLUMN_HEADER,
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PROP_TABLE_ROW_DESCRIPTION,
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PROP_TABLE_ROW_HEADER,
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PROP_TABLE_SUMMARY,
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PROP_LAST // gobject convention
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};
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struct AtkPropertyChange {
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PRInt32 type; // property type as listed above
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void *oldvalue;
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void *newvalue;
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};
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/**
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* nsAccessibleWrap, and its descendents in atk directory provide the
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* implementation of AtkObject.
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@ -85,6 +108,13 @@ public:
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}
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protected:
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nsresult FireAtkStateChangeEvent(nsIAccessibleEvent *aEvent,
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AtkObject *aObject);
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nsresult FireAtkTextChangedEvent(nsIAccessibleEvent *aEvent,
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AtkObject *aObject);
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nsresult FireAtkPropChangedEvent(nsIAccessibleEvent *aEvent,
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AtkObject *aObject);
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AtkObject *mAtkObject;
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private:
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@ -55,26 +55,6 @@
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//----- nsDocAccessibleWrap -----
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/*
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* Must keep sychronization with enumerate AtkProperty in
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* accessible/src/base/nsAccessibleEventData.h
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*/
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static char * sAtkPropertyNameArray[PROP_LAST] = {
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0,
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"accessible-name",
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"accessible-description",
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"accessible-parent",
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"accessible-role",
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"accessible-layer",
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"accessible-mdi-zorder",
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"accessible-table-caption",
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"accessible-table-column-description",
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"accessible-table-column-header",
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"accessible-table-row-description",
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"accessible-table-row-header",
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"accessible-table-summary"
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};
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nsDocAccessibleWrap::nsDocAccessibleWrap(nsIDOMNode *aDOMNode,
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nsIWeakReference *aShell):
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nsDocAccessible(aDOMNode, aShell), mActivated(PR_FALSE)
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@ -107,7 +87,6 @@ NS_IMETHODIMP nsDocAccessibleWrap::FireToolkitEvent(PRUint32 aEvent,
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return NS_OK;
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}
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nsAccessibleWrap *oldAccWrap = nsnull, *newAccWrap = nsnull;
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AtkTableChange * pAtkTableChange = nsnull;
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switch (aEvent) {
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@ -131,76 +110,6 @@ NS_IMETHODIMP nsDocAccessibleWrap::FireToolkitEvent(PRUint32 aEvent,
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}
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}
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break;
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/*
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* Need handle each type of property change separately.
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*/
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case nsIAccessibleEvent::EVENT_PROPERTY_CHANGED :
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{
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AtkPropertyChange *pAtkPropChange;
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AtkPropertyValues values = { NULL };
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MAI_LOG_DEBUG(("\n\nReceived: EVENT_PROPERTY_CHANGED\n"));
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NS_ASSERTION(aEventData, "Event needs event data");
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if (!aEventData)
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break;
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pAtkPropChange = NS_REINTERPRET_CAST(AtkPropertyChange *, aEventData);
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values.property_name = sAtkPropertyNameArray[pAtkPropChange->type];
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MAI_LOG_DEBUG(("\n\nthe type of EVENT_PROPERTY_CHANGED: %d\n\n",
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pAtkPropChange->type));
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switch (pAtkPropChange->type) {
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case PROP_TABLE_CAPTION:
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case PROP_TABLE_SUMMARY:
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if (pAtkPropChange->oldvalue)
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oldAccWrap = NS_REINTERPRET_CAST(nsAccessibleWrap *,
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pAtkPropChange->oldvalue);
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if (pAtkPropChange->newvalue)
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newAccWrap = NS_REINTERPRET_CAST(nsAccessibleWrap *,
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pAtkPropChange->newvalue);
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if (oldAccWrap && newAccWrap) {
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g_value_init(&values.old_value, G_TYPE_POINTER);
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g_value_set_pointer(&values.old_value,
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oldAccWrap->GetAtkObject());
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g_value_init(&values.new_value, G_TYPE_POINTER);
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g_value_set_pointer(&values.new_value,
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newAccWrap->GetAtkObject());
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rv = NS_OK;
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}
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break;
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case PROP_TABLE_COLUMN_DESCRIPTION:
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case PROP_TABLE_COLUMN_HEADER:
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case PROP_TABLE_ROW_HEADER:
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case PROP_TABLE_ROW_DESCRIPTION:
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g_value_init(&values.new_value, G_TYPE_INT);
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g_value_set_int(&values.new_value,
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*NS_REINTERPRET_CAST(gint *,
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pAtkPropChange->newvalue));
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rv = NS_OK;
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break;
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//Perhaps need more cases in the future
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default:
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g_value_init (&values.old_value, G_TYPE_POINTER);
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g_value_set_pointer (&values.old_value, pAtkPropChange->oldvalue);
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g_value_init (&values.new_value, G_TYPE_POINTER);
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g_value_set_pointer (&values.new_value, pAtkPropChange->newvalue);
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rv = NS_OK;
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}
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if (NS_SUCCEEDED(rv)) {
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char *signal_name = g_strconcat("property_change::",
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values.property_name, NULL);
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g_signal_emit_by_name(atkObj, signal_name, &values, NULL);
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g_free (signal_name);
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}
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}
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break;
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case nsIAccessibleEvent::EVENT_SELECTION_CHANGED:
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MAI_LOG_DEBUG(("\n\nReceived: EVENT_SELECTION_CHANGED\n"));
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@ -63,6 +63,8 @@ private:
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nsCOMPtr<nsIAccessible> mAccessible;
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nsCOMPtr<nsIDOMNode> mDOMNode;
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nsCOMPtr<nsIAccessibleDocument> mDocAccessible;
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public:
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void *mEventData;
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};
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@ -111,29 +113,6 @@ private:
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// XXX todo: We might want to use XPCOM interfaces instead of structs
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// e.g., nsAccessibleTextChangeEvent: public nsIAccessibleTextChangeEvent
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enum AtkProperty {
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PROP_0, // gobject convention
|
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PROP_NAME,
|
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PROP_DESCRIPTION,
|
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PROP_PARENT, // ancestry has changed
|
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PROP_ROLE,
|
||||
PROP_LAYER,
|
||||
PROP_MDI_ZORDER,
|
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PROP_TABLE_CAPTION,
|
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PROP_TABLE_COLUMN_DESCRIPTION,
|
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PROP_TABLE_COLUMN_HEADER,
|
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PROP_TABLE_ROW_DESCRIPTION,
|
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PROP_TABLE_ROW_HEADER,
|
||||
PROP_TABLE_SUMMARY,
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||||
PROP_LAST // gobject convention
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};
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struct AtkPropertyChange {
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PRInt32 type; // property type as listed above
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void *oldvalue;
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void *newvalue;
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};
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struct AtkChildrenChange {
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PRInt32 index; // index of child in parent
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nsIAccessible *child;
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