/*
 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
 * Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
 *
 * 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 "TextInputControllerQt.h"
#include "../../../WebKit/qt/WebCoreSupport/DumpRenderTreeSupportQt.h"

#include <QApplication>
#include <QInputMethodEvent>
#include <QKeyEvent>

TextInputController::TextInputController(QWebPage* parent)
    : QObject(parent)
{
}

void TextInputController::doCommand(const QString& command)
{
    Qt::KeyboardModifiers modifiers = Qt::NoModifier;
    int keycode = 0;
    if (command == "moveBackwardAndModifySelection:") {
        modifiers |= Qt::ShiftModifier;
        keycode = Qt::Key_Left;
    } else if (command =="moveDown:") {
        keycode = Qt::Key_Down;
    } else if (command =="moveDownAndModifySelection:") {
        modifiers |= Qt::ShiftModifier;
        keycode = Qt::Key_Down;
    } else if (command =="moveForward:") {
        keycode = Qt::Key_Right;
    } else if (command =="moveForwardAndModifySelection:") {
        modifiers |= Qt::ShiftModifier;
        keycode = Qt::Key_Right;
    } else if (command =="moveLeft:") {
        keycode = Qt::Key_Left;
    } else if (command =="moveLeftAndModifySelection:") {
        modifiers |= Qt::ShiftModifier;
        keycode = Qt::Key_Left;
    } else if (command =="moveRight:") {
        keycode = Qt::Key_Right;
    } else if (command =="moveRightAndModifySelection:") {
        modifiers |= Qt::ShiftModifier;
        keycode = Qt::Key_Right;
    } else if (command =="moveToBeginningOfDocument:") {
        modifiers |= Qt::ControlModifier;
        keycode = Qt::Key_Home;
    } else if (command =="moveToBeginningOfLine:") {
        keycode = Qt::Key_Home;
//     } else if (command =="moveToBeginningOfParagraph:") {
    } else if (command =="moveToEndOfDocument:") {
        modifiers |= Qt::ControlModifier;
        keycode = Qt::Key_End;
    } else if (command =="moveToEndOfLine:") {
        keycode = Qt::Key_End;
//     } else if (command =="moveToEndOfParagraph:") {
    } else if (command =="moveUp:") {
        keycode = Qt::Key_Up;
    } else if (command =="moveUpAndModifySelection:") {
        modifiers |= Qt::ShiftModifier;
        keycode = Qt::Key_Up;
    } else if (command =="moveWordBackward:") {
        modifiers |= Qt::ControlModifier;
        keycode = Qt::Key_Up;
    } else if (command =="moveWordBackwardAndModifySelection:") {
        modifiers |= Qt::ShiftModifier;
        modifiers |= Qt::ControlModifier;
        keycode = Qt::Key_Left;
    } else if (command =="moveWordForward:") {
        modifiers |= Qt::ControlModifier;
        keycode = Qt::Key_Right;
    } else if (command =="moveWordForwardAndModifySelection:") {
        modifiers |= Qt::ControlModifier;
        modifiers |= Qt::ShiftModifier;
        keycode = Qt::Key_Right;
    } else if (command =="moveWordLeft:") {
        modifiers |= Qt::ControlModifier;
        keycode = Qt::Key_Left;
    } else if (command =="moveWordRight:") {
        modifiers |= Qt::ControlModifier;
        keycode = Qt::Key_Left;
    } else if (command =="moveWordRightAndModifySelection:") {
        modifiers |= Qt::ShiftModifier;
        modifiers |= Qt::ControlModifier;
        keycode = Qt::Key_Right;
    } else if (command =="moveWordLeftAndModifySelection:") {
        modifiers |= Qt::ShiftModifier;
        modifiers |= Qt::ControlModifier;
        keycode = Qt::Key_Left;
    } else if (command =="pageDown:") {
        keycode = Qt::Key_PageDown;
    } else if (command =="pageUp:") {
        keycode = Qt::Key_PageUp;
    } else if (command == "deleteWordBackward:") {
        modifiers |= Qt::ControlModifier;
        keycode = Qt::Key_Backspace;
    } else if (command == "deleteBackward:") {
        keycode = Qt::Key_Backspace;
    } else if (command == "deleteForward:") {
        keycode = Qt::Key_Delete;
    }

    QKeyEvent event(QEvent::KeyPress, keycode, modifiers);
    QApplication::sendEvent(parent(), &event);
    QKeyEvent event2(QEvent::KeyRelease, keycode, modifiers);
    QApplication::sendEvent(parent(), &event2);
}

void TextInputController::setMarkedText(const QString& string, int start, int end)
{
    QList<QInputMethodEvent::Attribute> attributes;
#if QT_VERSION >= 0x040600
    QInputMethodEvent::Attribute selection(QInputMethodEvent::Selection, start, end, QVariant());
    attributes << selection;
#endif
    QInputMethodEvent event(string, attributes);
    QApplication::sendEvent(parent(), &event);
}

void TextInputController::insertText(const QString& string)
{
    QList<QInputMethodEvent::Attribute> attributes;
    QInputMethodEvent event(string, attributes);
    event.setCommitString(string);
    QApplication::sendEvent(parent(), &event);
}

QVariantList TextInputController::selectedRange()
{
    return DumpRenderTreeSupportQt::selectedRange(qobject_cast<QWebPage*>(parent()));
}

QVariantList TextInputController::firstRectForCharacterRange(int location, int length)
{
    return DumpRenderTreeSupportQt::firstRectForCharacterRange(qobject_cast<QWebPage*>(parent()), location, length);
}
