/*
 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR
 * 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. 
 */

#import "config.h"
#import "Editor.h"

#import "ClipboardMac.h"
#import "DocLoader.h"
#import "Frame.h"
#import "FrameView.h"

namespace WebCore {

extern "C" {

// Kill ring calls. Would be better to use NSKillRing.h, but that's not available as API or SPI.

void _NSInitializeKillRing();
void _NSAppendToKillRing(NSString *);
void _NSPrependToKillRing(NSString *);
NSString *_NSYankFromKillRing();
void _NSNewKillRingSequence();
void _NSSetKillRingToYankedState();

}

PassRefPtr<Clipboard> Editor::newGeneralClipboard(ClipboardAccessPolicy policy)
{
    return ClipboardMac::create(false, [NSPasteboard generalPasteboard], policy, 0);
}

static void initializeKillRingIfNeeded()
{
    static bool initializedKillRing = false;
    if (!initializedKillRing) {
        initializedKillRing = true;
        _NSInitializeKillRing();
    }
}

void Editor::appendToKillRing(const String& string)
{
    initializeKillRingIfNeeded();
    _NSAppendToKillRing(string);
}

void Editor::prependToKillRing(const String& string)
{
    initializeKillRingIfNeeded();
    _NSPrependToKillRing(string);
}

String Editor::yankFromKillRing()
{
    initializeKillRingIfNeeded();
    return _NSYankFromKillRing();
}

void Editor::startNewKillRingSequence()
{
    initializeKillRingIfNeeded();
    _NSNewKillRingSequence();
}

void Editor::setKillRingToYankedState()
{
    initializeKillRingIfNeeded();
    _NSSetKillRingToYankedState();
}

void Editor::showFontPanel()
{
    [[NSFontManager sharedFontManager] orderFrontFontPanel:nil];
}

void Editor::showStylesPanel()
{
    [[NSFontManager sharedFontManager] orderFrontStylesPanel:nil];
}

void Editor::showColorPanel()
{
    [[NSApplication sharedApplication] orderFrontColorPanel:nil];
}

// FIXME: We want to use the platform-independent code instead. But when we last
// tried to do so it seemed that we first need to move more of the logic from
// -[WebHTMLView.cpp _documentFragmentFromPasteboard] into PasteboardMac.

void Editor::paste()
{
    ASSERT(m_frame->document());
    FrameView* view = m_frame->view();
    if (!view)
        return;
    DocLoader* loader = m_frame->document()->docLoader();
    loader->setAllowStaleResources(true);
    [view->documentView() tryToPerform:@selector(paste:) with:nil];
    loader->setAllowStaleResources(false);
}

} // namespace WebCore