third_party/WebKit/Source/core/loader/EmptyClients.cpp

/*
 * Copyright (C) 2006 Eric Seidel <eric@webkit.org>
 * Copyright (C) 2008, 2009, 2012 Apple Inc. All rights reserved.
 * Copyright (C) Research In Motion Limited 2011. 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 "core/loader/EmptyClients.h"

#include "core/frame/LocalFrame.h"
#include "core/html/HTMLFormElement.h"
#include "core/html/forms/ColorChooser.h"
#include "core/html/forms/DateTimeChooser.h"
#include "core/loader/DocumentLoader.h"
#include "platform/FileChooser.h"
#include "platform/Widget.h"
#include "public/platform/Platform.h"
#include "public/platform/WebApplicationCacheHost.h"
#include "public/platform/WebMediaPlayer.h"
#include "public/platform/modules/mediasession/WebMediaSession.h"
#include "public/platform/modules/serviceworker/WebServiceWorkerProvider.h"
#include "public/platform/modules/serviceworker/WebServiceWorkerProviderClient.h"

namespace blink {

void fillWithEmptyClients(Page::PageClients& pageClients)
{
    DEFINE_STATIC_LOCAL(ChromeClient, dummyChromeClient, (EmptyChromeClient::create()));
    pageClients.chromeClient = &dummyChromeClient;

    DEFINE_STATIC_LOCAL(EmptyContextMenuClient, dummyContextMenuClient, ());
    pageClients.contextMenuClient = &dummyContextMenuClient;

    DEFINE_STATIC_LOCAL(EmptyEditorClient, dummyEditorClient, ());
    pageClients.editorClient = &dummyEditorClient;

    DEFINE_STATIC_LOCAL(EmptySpellCheckerClient, dummySpellCheckerClient, ());
    pageClients.spellCheckerClient = &dummySpellCheckerClient;
}

class EmptyPopupMenu : public PopupMenu {
public:
    void show() override { }
    void hide() override { }
    void updateFromElement() override { }
    void disconnectClient() override { }
};

class EmptyFrameScheduler : public WebFrameScheduler {
public:
    void setFrameVisible(bool) override { }
    WebTaskRunner* loadingTaskRunner() override;
    WebTaskRunner* timerTaskRunner() override;
};

WebTaskRunner* EmptyFrameScheduler::loadingTaskRunner()
{
    return Platform::current()->currentThread()->getWebTaskRunner();
}

WebTaskRunner* EmptyFrameScheduler::timerTaskRunner()
{
    return Platform::current()->currentThread()->getWebTaskRunner();
}

PopupMenu* EmptyChromeClient::openPopupMenu(LocalFrame&, HTMLSelectElement&)
{
    return new EmptyPopupMenu();
}

ColorChooser* EmptyChromeClient::openColorChooser(LocalFrame*, ColorChooserClient*, const Color&)
{
    return nullptr;
}

DateTimeChooser* EmptyChromeClient::openDateTimeChooser(DateTimeChooserClient*, const DateTimeChooserParameters&)
{
    return nullptr;
}

void EmptyChromeClient::openTextDataListChooser(HTMLInputElement&)
{
}

void EmptyChromeClient::openFileChooser(LocalFrame*, PassRefPtr<FileChooser>)
{
}

String EmptyChromeClient::acceptLanguages()
{
    return String();
}

PassOwnPtr<WebFrameScheduler> EmptyChromeClient::createFrameScheduler(BlameContext*)
{
    return adoptPtr(new EmptyFrameScheduler());
}

NavigationPolicy EmptyFrameLoaderClient::decidePolicyForNavigation(const ResourceRequest&, DocumentLoader*, NavigationType, NavigationPolicy, bool, bool)
{
    return NavigationPolicyIgnore;
}

bool EmptyFrameLoaderClient::hasPendingNavigation()
{
    return false;
}

void EmptyFrameLoaderClient::dispatchWillSendSubmitEvent(HTMLFormElement*)
{
}

void EmptyFrameLoaderClient::dispatchWillSubmitForm(HTMLFormElement*)
{
}

DocumentLoader* EmptyFrameLoaderClient::createDocumentLoader(LocalFrame* frame, const ResourceRequest& request, const SubstituteData& substituteData)
{
    return DocumentLoader::create(frame, request, substituteData);
}

LocalFrame* EmptyFrameLoaderClient::createFrame(const FrameLoadRequest&, const AtomicString&, HTMLFrameOwnerElement*)
{
    return nullptr;
}

Widget* EmptyFrameLoaderClient::createPlugin(HTMLPlugInElement*, const KURL&, const Vector<String>&, const Vector<String>&, const String&, bool, DetachedPluginPolicy)
{
    return nullptr;
}

PassOwnPtr<WebMediaPlayer> EmptyFrameLoaderClient::createWebMediaPlayer(HTMLMediaElement&, const WebMediaPlayerSource&, WebMediaPlayerClient*)
{
    return nullptr;
}

PassOwnPtr<WebMediaSession> EmptyFrameLoaderClient::createWebMediaSession()
{
    return nullptr;
}

void EmptyTextCheckerClient::requestCheckingOfString(TextCheckingRequest*)
{
}

void EmptyFrameLoaderClient::didRequestAutocomplete(HTMLFormElement*)
{
}

PassOwnPtr<WebServiceWorkerProvider> EmptyFrameLoaderClient::createServiceWorkerProvider()
{
    return nullptr;
}

PassOwnPtr<WebApplicationCacheHost> EmptyFrameLoaderClient::createApplicationCacheHost(WebApplicationCacheHostClient*)
{
    return nullptr;
}

} // namespace blink