/*

 * Copyright (C) 2009 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 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 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. 

 */

#include "config.h"

#include "RenderMediaControls.h"

#include "GraphicsContext.h"

#include "HTMLMediaElement.h"

#include "HTMLNames.h"

#include "RenderThemeSafari.h"

#include "SoftLinking.h"

#include <CoreGraphics/CoreGraphics.h>

using namespace std;

namespace WebCore {

#ifdef DEBUG_ALL

SOFT_LINK_DEBUG_LIBRARY(SafariTheme)

#else

SOFT_LINK_LIBRARY(SafariTheme)

#endif

SOFT_LINK(SafariTheme, paintThemePart, void, __stdcall, (ThemePart part, CGContextRef context, const CGRect& rect, NSControlSize size, ThemeControlState state), (part, context, rect, size, state))

SOFT_LINK(SafariTheme, STPaintProgressIndicator, void, APIENTRY, (ProgressIndicatorType type, CGContextRef context, const CGRect& rect, NSControlSize size, ThemeControlState state, float value), (type, context, rect, size, state, value))

#if ENABLE(VIDEO)

static ThemeControlState determineState(RenderObject* o)

{

    ThemeControlState result = 0;

    RenderTheme* theme = o->theme();

    if (theme->isActive(o))

        result |= SafariTheme::ActiveState;

    if (theme->isEnabled(o) && !theme->isReadOnlyControl(o))

        result |= SafariTheme::EnabledState;

    if (theme->isPressed(o))

        result |= SafariTheme::PressedState;

    if (theme->isChecked(o))

        result |= SafariTheme::CheckedState;

    if (theme->isIndeterminate(o))

        result |= SafariTheme::IndeterminateCheckedState;

    if (theme->isFocused(o))

        result |= SafariTheme::FocusedState;

    if (theme->isDefault(o))

        result |= SafariTheme::DefaultState;

    return result;

}

static const int mediaSliderThumbWidth = 13;

static const int mediaSliderThumbHeight = 14;

void RenderMediaControls::adjustMediaSliderThumbSize(RenderObject* o)

{

    if (o->style()->appearance() != MediaSliderThumbPart)

        return;

    float zoomLevel = o->style()->effectiveZoom();

    o->style()->setWidth(Length(static_cast<int>(mediaSliderThumbWidth * zoomLevel), Fixed));

    o->style()->setHeight(Length(static_cast<int>(mediaSliderThumbHeight * zoomLevel), Fixed));

}

bool RenderMediaControls::paintMediaControlsPart(MediaControlElementType part, RenderObject* o, const PaintInfo& paintInfo, const IntRect& r)

{

    ASSERT(SafariThemeLibrary());

    switch (part) {

        case MediaFullscreenButton:

            paintThemePart(SafariTheme::MediaFullscreenButtonPart, paintInfo.context->platformContext(), r, NSRegularControlSize, determineState(o));

            break;

        case MediaShowClosedCaptionsButton:

        case MediaHideClosedCaptionsButton:

#if SAFARI_THEME_VERSION >= 4

            if (MediaControlToggleClosedCaptionsButtonElement* btn = static_cast<MediaControlToggleClosedCaptionsButtonElement*>(o->node())) {

                bool captionsVisible = btn->displayType() == MediaHideClosedCaptionsButton;

                paintThemePart(captionsVisible ? SafariTheme::MediaHideClosedCaptionsButtonPart : SafariTheme::MediaShowClosedCaptionsButtonPart, paintInfo.context->platformContext(), r, NSRegularControlSize, determineState(o));

            }

#endif

            break;

        case MediaMuteButton:

        case MediaUnMuteButton:

            if (MediaControlMuteButtonElement* btn = static_cast<MediaControlMuteButtonElement*>(o->node())) {

                bool audioEnabled = btn->displayType() == MediaMuteButton;

                paintThemePart(audioEnabled ? SafariTheme::MediaMuteButtonPart : SafariTheme::MediaUnMuteButtonPart, paintInfo.context->platformContext(), r, NSRegularControlSize, determineState(o));

            }

            break;

        case MediaPauseButton:

        case MediaPlayButton:

            if (MediaControlPlayButtonElement* btn = static_cast<MediaControlPlayButtonElement*>(o->node())) {

                bool canPlay = btn->displayType() == MediaPlayButton;

                paintThemePart(canPlay ? SafariTheme::MediaPlayButtonPart : SafariTheme::MediaPauseButtonPart, paintInfo.context->platformContext(), r, NSRegularControlSize, determineState(o));

            }

            break;

        case MediaSeekBackButton:

            paintThemePart(SafariTheme::MediaSeekBackButtonPart, paintInfo.context->platformContext(), r, NSRegularControlSize, determineState(o));

            break;

        case MediaSeekForwardButton:

            paintThemePart(SafariTheme::MediaSeekForwardButtonPart, paintInfo.context->platformContext(), r, NSRegularControlSize, determineState(o));

            break;

        case MediaSlider: {

            if (HTMLMediaElement* mediaElement = toParentMediaElement(o))

                STPaintProgressIndicator(SafariTheme::MediaType, paintInfo.context->platformContext(), r, NSRegularControlSize, 0, mediaElement->percentLoaded());

            break;

        }

        case MediaSliderThumb:

            paintThemePart(SafariTheme::MediaSliderThumbPart, paintInfo.context->platformContext(), r, NSRegularControlSize, determineState(o));

            break;

        case MediaVolumeSliderContainer:

            // FIXME: Implement volume slider.

            ASSERT_NOT_REACHED();

            break;

        case MediaVolumeSlider:

            // FIXME: Implement volume slider.

            ASSERT_NOT_REACHED();

            break;

        case MediaVolumeSliderThumb:

            // FIXME: Implement volume slider.

            ASSERT_NOT_REACHED();

            break;

        case MediaTimelineContainer:

            ASSERT_NOT_REACHED();

            break;

        case MediaCurrentTimeDisplay:

            ASSERT_NOT_REACHED();

            break;

        case MediaTimeRemainingDisplay:

            ASSERT_NOT_REACHED();

            break;

        case MediaControlsPanel:

            ASSERT_NOT_REACHED();

            break;

    }

    return false;

}

#endif  // #if ENABLE(VIDEO)

} // namespace WebCore