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/*
* This file is part of the popup menu implementation for <select> elements in WebCore.
*
* Copyright 2009, The Android Open Source Project
* Copyright (C) 2006 Apple Computer, Inc.
* Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#include "config.h"
#include "PopupMenuAndroid.h"
#include "IntRect.h"
#include "PopupMenuClient.h"
#include "SkTDArray.h"
#include "WebViewCore.h"
using namespace WebCore;
class PopupReply : public android::WebCoreReply {
public:
PopupReply(const IntRect& rect, android::WebViewCore* view, ListPopupMenuClient* client)
: m_rect(rect)
, m_viewImpl(view)
, m_popupClient(client)
{
}
virtual ~PopupReply() {}
virtual void replyInt(int value)
{
if (m_popupClient) {
m_popupClient->popupDidHide();
// -2 is a special value signaling that the popup was canceled.
if (-2 == value)
return;
m_popupClient->valueChanged(value, true);
}
if (m_viewImpl)
m_viewImpl->contentInvalidate(m_rect);
}
virtual void replyIntArray(const int* values, int count)
{
if (m_popupClient) {
m_popupClient->popupDidHide();
if (0 == count) {
m_popupClient->valueChanged(-1, true);
} else {
for (int i = 0; i < count; i++) {
m_popupClient->listBoxSelectItem(values[i],
i != 0 /* allowMultiplySelection */,
false /* shift */,
i == count - 1 /* fireOnChangeNow */);
}
}
}
if (m_viewImpl)
m_viewImpl->contentInvalidate(m_rect);
}
void disconnectClient()
{
m_popupClient = 0;
m_viewImpl = 0;
}
private:
IntRect m_rect;
// FIXME: Do not need this if we handle ChromeClientAndroid::formStateDidChange
android::WebViewCore* m_viewImpl;
ListPopupMenuClient* m_popupClient;
};
namespace WebCore {
PopupMenuAndroid::PopupMenuAndroid(ListPopupMenuClient* menuList)
: m_popupClient(menuList)
, m_reply(0)
{
}
PopupMenuAndroid::~PopupMenuAndroid()
{
disconnectClient();
}
void PopupMenuAndroid::disconnectClient()
{
m_popupClient = 0;
if (m_reply) {
m_reply->disconnectClient();
Release(m_reply);
m_reply = 0;
}
}
// Convert a WTF::String into an array of characters where the first
// character represents the length, for easy conversion to java.
static uint16_t* stringConverter(const WTF::String& text)
{
size_t length = text.length();
uint16_t* itemName = new uint16_t[length+1];
itemName[0] = (uint16_t)length;
uint16_t* firstChar = &(itemName[1]);
memcpy((void*)firstChar, text.characters(), sizeof(UChar)*length);
return itemName;
}
void PopupMenuAndroid::show(const IntRect& rect, FrameView* frameView, int)
{
android::WebViewCore* viewImpl = android::WebViewCore::getWebViewCore(frameView);
m_reply = new PopupReply(rect, viewImpl, m_popupClient);
Retain(m_reply);
SkTDArray<const uint16_t*> names;
// Possible values for enabledArray. Keep in Sync with values in
// InvokeListBox.Container in WebView.java
enum OptionStatus {
OPTGROUP = -1,
OPTION_DISABLED = 0,
OPTION_ENABLED = 1,
};
SkTDArray<int> enabledArray;
SkTDArray<int> selectedArray;
int size = m_popupClient->listSize();
bool multiple = m_popupClient->multiple();
for (int i = 0; i < size; i++) {
*names.append() = stringConverter(m_popupClient->itemText(i));
if (m_popupClient->itemIsSeparator(i)) {
*enabledArray.append() = OPTION_DISABLED;
} else if (m_popupClient->itemIsLabel(i)) {
*enabledArray.append() = OPTGROUP;
} else {
// Must be an Option
*enabledArray.append() = m_popupClient->itemIsEnabled(i)
? OPTION_ENABLED : OPTION_DISABLED;
if (multiple && m_popupClient->itemIsSelected(i))
*selectedArray.append() = i;
}
}
viewImpl->listBoxRequest(m_reply,
names.begin(),
size,
enabledArray.begin(),
enabledArray.count(),
multiple,
selectedArray.begin(),
multiple ? selectedArray.count() : m_popupClient->selectedIndex());
}
} // namespace WebCore
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