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-rw-r--r--WebCore/html/HTMLSelectElement.cpp109
1 files changed, 37 insertions, 72 deletions
diff --git a/WebCore/html/HTMLSelectElement.cpp b/WebCore/html/HTMLSelectElement.cpp
index 7a0ee29..107fbd0 100644
--- a/WebCore/html/HTMLSelectElement.cpp
+++ b/WebCore/html/HTMLSelectElement.cpp
@@ -2,7 +2,7 @@
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
- * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
+ * Copyright (C) 2004, 2005, 2006, 2007, 2009 Apple Inc. All rights reserved.
* (C) 2006 Alexey Proskuryakov (ap@nypop.com)
*
* This library is free software; you can redistribute it and/or
@@ -67,6 +67,9 @@ using namespace HTMLNames;
static const DOMTimeStamp typeAheadTimeout = 1000;
+// Upper limit agreed upon with representatives of Opera and Mozilla.
+static const unsigned maxSelectItems = 10000;
+
HTMLSelectElement::HTMLSelectElement(const QualifiedName& tagName, Document* doc, HTMLFormElement* f)
: HTMLFormControlElementWithState(tagName, doc, f)
, m_minwidth(0)
@@ -218,10 +221,7 @@ void HTMLSelectElement::add(HTMLElement *element, HTMLElement *before, Exception
if (!element || !(element->hasLocalName(optionTag) || element->hasLocalName(hrTag)))
return;
- ec = 0;
insertBefore(element, before, ec);
- if (!ec)
- setRecalcListItems();
}
void HTMLSelectElement::remove(int index)
@@ -236,8 +236,6 @@ void HTMLSelectElement::remove(int index)
Element *item = items[listIndex];
ASSERT(item->parentNode());
item->parentNode()->removeChild(item, ec);
- if (!ec)
- setRecalcListItems();
}
String HTMLSelectElement::value()
@@ -296,46 +294,6 @@ void HTMLSelectElement::restoreState(const String& state)
setChanged();
}
-bool HTMLSelectElement::insertBefore(PassRefPtr<Node> newChild, Node* refChild, ExceptionCode& ec, bool shouldLazyAttach)
-{
- bool result = HTMLFormControlElementWithState::insertBefore(newChild, refChild, ec, shouldLazyAttach);
- if (result)
- setRecalcListItems();
- return result;
-}
-
-bool HTMLSelectElement::replaceChild(PassRefPtr<Node> newChild, Node *oldChild, ExceptionCode& ec, bool shouldLazyAttach)
-{
- bool result = HTMLFormControlElementWithState::replaceChild(newChild, oldChild, ec, shouldLazyAttach);
- if (result)
- setRecalcListItems();
- return result;
-}
-
-bool HTMLSelectElement::removeChild(Node* oldChild, ExceptionCode& ec)
-{
- bool result = HTMLFormControlElementWithState::removeChild(oldChild, ec);
- if (result)
- setRecalcListItems();
- return result;
-}
-
-bool HTMLSelectElement::appendChild(PassRefPtr<Node> newChild, ExceptionCode& ec, bool shouldLazyAttach)
-{
- bool result = HTMLFormControlElementWithState::appendChild(newChild, ec, shouldLazyAttach);
- if (result)
- setRecalcListItems();
- return result;
-}
-
-bool HTMLSelectElement::removeChildren()
-{
- bool result = HTMLFormControlElementWithState::removeChildren();
- if (result)
- setRecalcListItems();
- return result;
-}
-
void HTMLSelectElement::parseMappedAttribute(MappedAttribute *attr)
{
bool oldUsesMenuList = usesMenuList();
@@ -349,7 +307,7 @@ void HTMLSelectElement::parseMappedAttribute(MappedAttribute *attr)
attr->setValue(attrSize);
m_size = max(size, 1);
- if ((oldUsesMenuList != usesMenuList() || !oldUsesMenuList && m_size != oldSize) && attached()) {
+ if ((oldUsesMenuList != usesMenuList() || (!oldUsesMenuList && m_size != oldSize)) && attached()) {
detach();
attach();
setRecalcListItems();
@@ -422,6 +380,9 @@ RenderObject* HTMLSelectElement::createRenderer(RenderArena* arena, RenderStyle*
bool HTMLSelectElement::appendFormData(FormDataList& list, bool)
{
+ if (name().isEmpty())
+ return false;
+
bool successful = false;
const Vector<HTMLElement*>& items = listItems();
@@ -536,6 +497,7 @@ void HTMLSelectElement::childrenChanged(bool changedByParser, Node* beforeChange
void HTMLSelectElement::setRecalcListItems()
{
m_recalcListItems = true;
+ m_activeSelectionAnchorIndex = -1; // Manual selection anchor is reset when manipulating the select programmatically.
if (renderer()) {
if (usesMenuList())
static_cast<RenderMenuList*>(renderer())->setOptionsChanged(true);
@@ -617,8 +579,6 @@ void HTMLSelectElement::defaultEventHandler(Event* evt)
void HTMLSelectElement::menuListDefaultEventHandler(Event* evt)
{
- RenderMenuList* menuList = static_cast<RenderMenuList*>(renderer());
-
if (evt->type() == eventNames().keydownEvent) {
if (!renderer() || !evt->isKeyboardEvent())
return;
@@ -630,7 +590,8 @@ void HTMLSelectElement::menuListDefaultEventHandler(Event* evt)
// Save the selection so it can be compared to the new selection when we call onChange during setSelectedIndex,
// which gets called from RenderMenuList::valueChanged, which gets called after the user makes a selection from the menu.
saveLastSelection();
- menuList->showPopup();
+ if (RenderMenuList* menuList = static_cast<RenderMenuList*>(renderer()))
+ menuList->showPopup();
handled = true;
}
#elif defined ANDROID_KEYBOARD_NAVIGATION
@@ -677,7 +638,8 @@ void HTMLSelectElement::menuListDefaultEventHandler(Event* evt)
// Save the selection so it can be compared to the new selection when we call onChange during setSelectedIndex,
// which gets called from RenderMenuList::valueChanged, which gets called after the user makes a selection from the menu.
saveLastSelection();
- menuList->showPopup();
+ if (RenderMenuList* menuList = static_cast<RenderMenuList*>(renderer()))
+ menuList->showPopup();
handled = true;
}
if (keyCode == '\r') {
@@ -700,13 +662,15 @@ void HTMLSelectElement::menuListDefaultEventHandler(Event* evt)
if (evt->type() == eventNames().mousedownEvent && evt->isMouseEvent() && static_cast<MouseEvent*>(evt)->button() == LeftButton) {
focus();
- if (menuList->popupIsVisible())
- menuList->hidePopup();
- else {
- // Save the selection so it can be compared to the new selection when we call onChange during setSelectedIndex,
- // which gets called from RenderMenuList::valueChanged, which gets called after the user makes a selection from the menu.
- saveLastSelection();
- menuList->showPopup();
+ if (RenderMenuList* menuList = static_cast<RenderMenuList*>(renderer())) {
+ if (menuList->popupIsVisible())
+ menuList->hidePopup();
+ else {
+ // Save the selection so it can be compared to the new selection when we call onChange during setSelectedIndex,
+ // which gets called from RenderMenuList::valueChanged, which gets called after the user makes a selection from the menu.
+ saveLastSelection();
+ menuList->showPopup();
+ }
}
evt->setDefaultHandled();
}
@@ -716,9 +680,11 @@ void HTMLSelectElement::listBoxDefaultEventHandler(Event* evt)
{
if (evt->type() == eventNames().mousedownEvent && evt->isMouseEvent() && static_cast<MouseEvent*>(evt)->button() == LeftButton) {
focus();
-
- MouseEvent* mEvt = static_cast<MouseEvent*>(evt);
- int listIndex = static_cast<RenderListBox*>(renderer())->listIndexAtOffset(mEvt->offsetX(), mEvt->offsetY());
+
+ // Convert to coords relative to the list box if needed.
+ MouseEvent* mouseEvent = static_cast<MouseEvent*>(evt);
+ IntPoint localOffset = roundedIntPoint(renderer()->absoluteToLocal(mouseEvent->absoluteLocation(), false, true));
+ int listIndex = static_cast<RenderListBox*>(renderer())->listIndexAtOffset(localOffset.x(), localOffset.y());
if (listIndex >= 0) {
// Save the selection so it can be compared to the new selection when we call onChange during mouseup, or after autoscroll finishes.
saveLastSelection();
@@ -727,13 +693,13 @@ void HTMLSelectElement::listBoxDefaultEventHandler(Event* evt)
bool multiSelectKeyPressed = false;
#if PLATFORM(MAC)
- multiSelectKeyPressed = mEvt->metaKey();
+ multiSelectKeyPressed = mouseEvent->metaKey();
#else
- multiSelectKeyPressed = mEvt->ctrlKey();
+ multiSelectKeyPressed = mouseEvent->ctrlKey();
#endif
- bool shiftSelect = multiple() && mEvt->shiftKey();
- bool multiSelect = multiple() && multiSelectKeyPressed && !mEvt->shiftKey();
+ bool shiftSelect = multiple() && mouseEvent->shiftKey();
+ bool multiSelect = multiple() && multiSelectKeyPressed && !mouseEvent->shiftKey();
HTMLElement* clickedElement = listItems()[listIndex];
HTMLOptionElement* option = 0;
@@ -1068,8 +1034,8 @@ Node* HTMLSelectElement::item(unsigned index)
void HTMLSelectElement::setOption(unsigned index, HTMLOptionElement* option, ExceptionCode& ec)
{
ec = 0;
- if (index > INT_MAX)
- index = INT_MAX;
+ if (index > maxSelectItems - 1)
+ index = maxSelectItems - 1;
int diff = index - length();
HTMLElement* before = 0;
// out of array bounds ? first insert empty dummies
@@ -1091,15 +1057,14 @@ void HTMLSelectElement::setOption(unsigned index, HTMLOptionElement* option, Exc
void HTMLSelectElement::setLength(unsigned newLen, ExceptionCode& ec)
{
ec = 0;
- if (newLen > INT_MAX)
- newLen = INT_MAX;
+ if (newLen > maxSelectItems)
+ newLen = maxSelectItems;
int diff = length() - newLen;
if (diff < 0) { // add dummy elements
do {
- RefPtr<Element> option = document()->createElement("option", ec);
- if (!option)
- break;
+ RefPtr<Element> option = document()->createElement(optionTag, false);
+ ASSERT(option);
add(static_cast<HTMLElement*>(option.get()), 0, ec);
if (ec)
break;
generated by cgit v1.1 at 2025-06-10 06:27:45 +0000