/*

 * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.

 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)

 *

 * 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., 51 Franklin Street, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 */

#include "config.h"

#include "Chrome.h"

#include "ChromeClient.h"

#include "DNS.h"

#include "Document.h"

#include "FileList.h"

#include "FloatRect.h"

#include "Frame.h"

#include "FrameTree.h"

#include "Geolocation.h"

#include "HTMLFormElement.h"

#include "HTMLInputElement.h"

#include "HTMLNames.h"

#include "HitTestResult.h"

#include "InspectorController.h"

#include "Page.h"

#include "PageGroupLoadDeferrer.h"

#include "RenderObject.h"

#include "ResourceHandle.h"

#include "ScriptController.h"

#include "SecurityOrigin.h"

#include "Settings.h"

#include "WindowFeatures.h"

#include <wtf/PassRefPtr.h>

#include <wtf/RefPtr.h>

#include <wtf/Vector.h>

#if ENABLE(DOM_STORAGE)

#include "StorageNamespace.h"

#endif

namespace WebCore {

using namespace HTMLNames;

using namespace std;

Chrome::Chrome(Page* page, ChromeClient* client)

    : m_page(page)

    , m_client(client)

{

    ASSERT(m_client);

}

Chrome::~Chrome()

{

    m_client->chromeDestroyed();

}

void Chrome::invalidateWindow(const IntRect& updateRect, bool immediate)

{

    m_client->invalidateWindow(updateRect, immediate);

}

void Chrome::invalidateContentsAndWindow(const IntRect& updateRect, bool immediate)

{

    m_client->invalidateContentsAndWindow(updateRect, immediate);

}

void Chrome::invalidateContentsForSlowScroll(const IntRect& updateRect, bool immediate)

{

    m_client->invalidateContentsForSlowScroll(updateRect, immediate);

}

void Chrome::scroll(const IntSize& scrollDelta, const IntRect& rectToScroll, const IntRect& clipRect)

{

    m_client->scroll(scrollDelta, rectToScroll, clipRect);

}

IntPoint Chrome::screenToWindow(const IntPoint& point) const

{

    return m_client->screenToWindow(point);

}

IntRect Chrome::windowToScreen(const IntRect& rect) const

{

    return m_client->windowToScreen(rect);

}

PlatformPageClient Chrome::platformPageClient() const

{

    return m_client->platformPageClient();

}

void Chrome::contentsSizeChanged(Frame* frame, const IntSize& size) const

{

    m_client->contentsSizeChanged(frame, size);

}

void Chrome::scrollRectIntoView(const IntRect& rect) const

{

    // FIXME: The unused ScrollView* argument can and should be removed from ChromeClient::scrollRectIntoView.

    m_client->scrollRectIntoView(rect, 0);

}

void Chrome::scrollbarsModeDidChange() const

{

    m_client->scrollbarsModeDidChange();

}

void Chrome::setWindowRect(const FloatRect& rect) const

{

    m_client->setWindowRect(rect);

}

FloatRect Chrome::windowRect() const

{

    return m_client->windowRect();

}

FloatRect Chrome::pageRect() const

{

    return m_client->pageRect();

}

float Chrome::scaleFactor()

{

    return m_client->scaleFactor();

}

void Chrome::focus() const

{

    m_client->focus();

}

void Chrome::unfocus() const

{

    m_client->unfocus();

}

bool Chrome::canTakeFocus(FocusDirection direction) const

{

    return m_client->canTakeFocus(direction);

}

void Chrome::takeFocus(FocusDirection direction) const

{

    m_client->takeFocus(direction);

}

void Chrome::focusedNodeChanged(Node* node) const

{

    m_client->focusedNodeChanged(node);

}

Page* Chrome::createWindow(Frame* frame, const FrameLoadRequest& request, const WindowFeatures& features) const

{

    Page* newPage = m_client->createWindow(frame, request, features);

#if ENABLE(DOM_STORAGE)

    if (newPage) {

        if (StorageNamespace* oldSessionStorage = m_page->sessionStorage(false))

            newPage->setSessionStorage(oldSessionStorage->copy());

    }

#endif

    return newPage;

}

void Chrome::show() const

{

    m_client->show();

}

bool Chrome::canRunModal() const

{

    return m_client->canRunModal();

}

bool Chrome::canRunModalNow() const

{

    // If loads are blocked, we can't run modal because the contents

    // of the modal dialog will never show up!

    return canRunModal() && !ResourceHandle::loadsBlocked();

}

void Chrome::runModal() const

{

    // Defer callbacks in all the other pages in this group, so we don't try to run JavaScript

    // in a way that could interact with this view.

    PageGroupLoadDeferrer deferrer(m_page, false);

    TimerBase::fireTimersInNestedEventLoop();

    m_client->runModal();

}

void Chrome::setToolbarsVisible(bool b) const

{

    m_client->setToolbarsVisible(b);

}

bool Chrome::toolbarsVisible() const

{

    return m_client->toolbarsVisible();

}

void Chrome::setStatusbarVisible(bool b) const

{

    m_client->setStatusbarVisible(b);

}

bool Chrome::statusbarVisible() const

{

    return m_client->statusbarVisible();

}

void Chrome::setScrollbarsVisible(bool b) const

{

    m_client->setScrollbarsVisible(b);

}

bool Chrome::scrollbarsVisible() const

{

    return m_client->scrollbarsVisible();

}

void Chrome::setMenubarVisible(bool b) const

{

    m_client->setMenubarVisible(b);

}

bool Chrome::menubarVisible() const

{

    return m_client->menubarVisible();

}

void Chrome::setResizable(bool b) const

{

    m_client->setResizable(b);

}

bool Chrome::canRunBeforeUnloadConfirmPanel()

{

    return m_client->canRunBeforeUnloadConfirmPanel();

}

bool Chrome::runBeforeUnloadConfirmPanel(const String& message, Frame* frame)

{

    // Defer loads in case the client method runs a new event loop that would

    // otherwise cause the load to continue while we're in the middle of executing JavaScript.

    PageGroupLoadDeferrer deferrer(m_page, true);

    return m_client->runBeforeUnloadConfirmPanel(message, frame);

}

void Chrome::closeWindowSoon()

{

    m_client->closeWindowSoon();

}

void Chrome::runJavaScriptAlert(Frame* frame, const String& message)

{

    // Defer loads in case the client method runs a new event loop that would

    // otherwise cause the load to continue while we're in the middle of executing JavaScript.

    PageGroupLoadDeferrer deferrer(m_page, true);

    ASSERT(frame);

    m_client->runJavaScriptAlert(frame, frame->displayStringModifiedByEncoding(message));

}

bool Chrome::runJavaScriptConfirm(Frame* frame, const String& message)

{

    // Defer loads in case the client method runs a new event loop that would

    // otherwise cause the load to continue while we're in the middle of executing JavaScript.

    PageGroupLoadDeferrer deferrer(m_page, true);

    ASSERT(frame);

    return m_client->runJavaScriptConfirm(frame, frame->displayStringModifiedByEncoding(message));

}

bool Chrome::runJavaScriptPrompt(Frame* frame, const String& prompt, const String& defaultValue, String& result)

{

    // Defer loads in case the client method runs a new event loop that would

    // otherwise cause the load to continue while we're in the middle of executing JavaScript.

    PageGroupLoadDeferrer deferrer(m_page, true);

    ASSERT(frame);

    bool ok = m_client->runJavaScriptPrompt(frame, frame->displayStringModifiedByEncoding(prompt), frame->displayStringModifiedByEncoding(defaultValue), result);

    if (ok)

        result = frame->displayStringModifiedByEncoding(result);

    return ok;

}

void Chrome::setStatusbarText(Frame* frame, const String& status)

{

    ASSERT(frame);

    m_client->setStatusbarText(frame->displayStringModifiedByEncoding(status));

}

bool Chrome::shouldInterruptJavaScript()

{

    // Defer loads in case the client method runs a new event loop that would

    // otherwise cause the load to continue while we're in the middle of executing JavaScript.

    PageGroupLoadDeferrer deferrer(m_page, true);

    return m_client->shouldInterruptJavaScript();

}

IntRect Chrome::windowResizerRect() const

{

    return m_client->windowResizerRect();

}

void Chrome::mouseDidMoveOverElement(const HitTestResult& result, unsigned modifierFlags)

{

    if (result.innerNode()) {

        Document* document = result.innerNode()->document();

        if (document && document->isDNSPrefetchEnabled())

            ResourceHandle::prepareForURL(result.absoluteLinkURL());

    }

    m_client->mouseDidMoveOverElement(result, modifierFlags);

#if ENABLE(INSPECTOR)

    if (InspectorController* inspector = m_page->inspectorController())

        inspector->mouseDidMoveOverElement(result, modifierFlags);

#endif

}

void Chrome::setToolTip(const HitTestResult& result)

{

    // First priority is a potential toolTip representing a spelling or grammar error

    TextDirection toolTipDirection;

    String toolTip = result.spellingToolTip(toolTipDirection);

    // Next priority is a toolTip from a URL beneath the mouse (if preference is set to show those).

    if (toolTip.isEmpty() && m_page->settings()->showsURLsInToolTips()) {

        if (Node* node = result.innerNonSharedNode()) {

            // Get tooltip representing form action, if relevant

            if (node->hasTagName(inputTag)) {

                HTMLInputElement* input = static_cast<HTMLInputElement*>(node);

                if (input->inputType() == HTMLInputElement::SUBMIT)

                    if (HTMLFormElement* form = input->form()) {

                        toolTip = form->action();

                        if (form->renderer())

                            toolTipDirection = form->renderer()->style()->direction();

                        else

                            toolTipDirection = LTR;

                    }

            }

        }

        // Get tooltip representing link's URL

        if (toolTip.isEmpty()) {

            // FIXME: Need to pass this URL through userVisibleString once that's in WebCore

            toolTip = result.absoluteLinkURL().string();

            // URL always display as LTR.

            toolTipDirection = LTR;

        }

    }

    // Next we'll consider a tooltip for element with "title" attribute

    if (toolTip.isEmpty())

        toolTip = result.title(toolTipDirection);

    // Lastly, for <input type="file"> that allow multiple files, we'll consider a tooltip for the selected filenames

    if (toolTip.isEmpty()) {

        if (Node* node = result.innerNonSharedNode()) {

            if (node->hasTagName(inputTag)) {

                HTMLInputElement* input = static_cast<HTMLInputElement*>(node);

                if (input->inputType() == HTMLInputElement::FILE) {

                    FileList* files = input->files();

                    unsigned listSize = files->length();

                    if (files && listSize > 1) {

                        Vector<UChar> names;

                        for (size_t i = 0; i < listSize; ++i) {

                            append(names, files->item(i)->fileName());

                            if (i != listSize - 1)

                                names.append('\n');

                        }

                        toolTip = String::adopt(names);

                        // filename always display as LTR.

                        toolTipDirection = LTR;

                    }

                }

            }

        }

    }

    m_client->setToolTip(toolTip, toolTipDirection);

}

void Chrome::print(Frame* frame)

{

    m_client->print(frame);

}

void Chrome::requestGeolocationPermissionForFrame(Frame* frame, Geolocation* geolocation)

{

    m_client->requestGeolocationPermissionForFrame(frame, geolocation);

}

void Chrome::cancelGeolocationPermissionRequestForFrame(Frame* frame, Geolocation* geolocation)

{

    m_client->cancelGeolocationPermissionRequestForFrame(frame, geolocation);

}

void Chrome::runOpenPanel(Frame* frame, PassRefPtr<FileChooser> fileChooser)

{

    m_client->runOpenPanel(frame, fileChooser);

}

void Chrome::chooseIconForFiles(const Vector<String>& filenames, FileChooser* fileChooser)

{

    m_client->chooseIconForFiles(filenames, fileChooser);

}

void Chrome::setCursor(const Cursor& cursor)

{

    m_client->setCursor(cursor);

}

#if ENABLE(NOTIFICATIONS)

NotificationPresenter* Chrome::notificationPresenter() const

{

    return m_client->notificationPresenter();

}

#endif

// --------

#if ENABLE(DASHBOARD_SUPPORT)

void ChromeClient::dashboardRegionsChanged()

{

}

#endif

void ChromeClient::populateVisitedLinks()

{

}

FloatRect ChromeClient::customHighlightRect(Node*, const AtomicString&, const FloatRect&)

{

    return FloatRect();

}

void ChromeClient::paintCustomHighlight(Node*, const AtomicString&, const FloatRect&, const FloatRect&, bool, bool)

{

}

bool ChromeClient::shouldReplaceWithGeneratedFileForUpload(const String&, String&)

{

    return false;

}

String ChromeClient::generateReplacementFile(const String&)

{

    ASSERT_NOT_REACHED();

    return String();

}

bool ChromeClient::paintCustomScrollbar(GraphicsContext*, const FloatRect&, ScrollbarControlSize,

                                        ScrollbarControlState, ScrollbarPart, bool,

                                        float, float, ScrollbarControlPartMask)

{

    return false;

}

bool ChromeClient::paintCustomScrollCorner(GraphicsContext*, const FloatRect&)

{

    return false;

}

} // namespace WebCore