flutter_flutter/engine/core/frame/LocalFrame.h

/*
 * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
 *                     1999-2001 Lars Knoll <knoll@kde.org>
 *                     1999-2001 Antti Koivisto <koivisto@kde.org>
 *                     2000-2001 Simon Hausmann <hausmann@kde.org>
 *                     2000-2001 Dirk Mueller <mueller@kde.org>
 *                     2000 Stefan Schimanski <1Stein@gmx.de>
 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
 * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
 *
 * 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.
 */

#ifndef SKY_ENGINE_CORE_FRAME_LOCALFRAME_H_
#define SKY_ENGINE_CORE_FRAME_LOCALFRAME_H_

#include "sky/engine/core/frame/Frame.h"
#include "sky/engine/core/loader/FrameLoader.h"
#include "sky/engine/platform/Supplementable.h"
#include "sky/engine/platform/heap/Handle.h"
#include "sky/engine/platform/scroll/ScrollTypes.h"
#include "sky/engine/wtf/HashSet.h"

namespace blink {

    class Color;
    class Document;
    class Editor;
    class Element;
    class EventHandler;
    class FetchContext;
    class FloatRect;
    class FloatSize;
    class FrameConsole;
    class FrameDestructionObserver;
    class FrameSelection;
    class FrameView;
    class InputMethodController;
    class IntPoint;
    class IntSize;
    class MojoLoader;
    class NewEventHandler;
    class Node;
    class Range;
    class RenderView;
    class ScriptController;
    class SpellChecker;
    class TreeScope;
    class TreeScope;
    class VisiblePosition;

    class LocalFrame : public Frame, public Supplementable<LocalFrame>  {
    public:
        static PassRefPtr<LocalFrame> create(FrameLoaderClient*, FrameHost*);

        void setView(PassRefPtr<FrameView>);
        void createView(const IntSize&, const Color&, bool,
            ScrollbarMode = ScrollbarAuto, bool horizontalLock = false,
            ScrollbarMode = ScrollbarAuto, bool verticalLock = false);

        virtual ~LocalFrame();

        virtual void detach() override;

        void addDestructionObserver(FrameDestructionObserver*);
        void removeDestructionObserver(FrameDestructionObserver*);

        void willDetachFrameHost();
        void detachFromFrameHost();

        virtual void setDOMWindow(PassRefPtr<LocalDOMWindow>) override;
        FrameView* view() const;
        Document* document() const;

        RenderView* contentRenderer() const; // Root of the render tree for the document contained in this frame.

        Editor& editor() const;
        EventHandler& eventHandler() const;
        NewEventHandler& newEventHandler() const;
        MojoLoader& mojoLoader() const { return *m_mojoLoader; }
        FrameSelection& selection() const;
        InputMethodController& inputMethodController() const;
        FetchContext& fetchContext() const;
        ScriptController& script();
        SpellChecker& spellChecker() const;
        FrameConsole& console() const;

        void didChangeVisibilityState();

        FrameLoaderClient* loaderClient() const;

    // ======== All public functions below this point are candidates to move out of LocalFrame into another class. ========

        FloatSize resizePageRectsKeepingRatio(const FloatSize& originalSize, const FloatSize& expectedSize);

        void deviceOrPageScaleFactorChanged();
        double devicePixelRatio() const;

        String selectedText() const;

        VisiblePosition visiblePositionForPoint(const IntPoint& framePoint);
        Document* documentAtPoint(const IntPoint& windowPoint);
        PassRefPtr<Range> rangeForPoint(const IntPoint& framePoint);

        void removeSpellingMarkersUnderWords(const Vector<String>& words);

    // ========

    private:
        LocalFrame(FrameLoaderClient*, FrameHost*);

        HashSet<FrameDestructionObserver*> m_destructionObservers;
        mutable FrameLoader m_deprecatedLoader;
        OwnPtr<MojoLoader> m_mojoLoader;

        RefPtr<FrameView> m_view;

        OwnPtr<ScriptController> m_script;
        const OwnPtr<Editor> m_editor;
        const OwnPtr<SpellChecker> m_spellChecker;
        const OwnPtr<FrameSelection> m_selection;
        const OwnPtr<EventHandler> m_eventHandler;
        const OwnPtr<NewEventHandler> m_newEventHandler;
        const OwnPtr<FrameConsole> m_console;
        OwnPtr<InputMethodController> m_inputMethodController;
    };

    inline FrameView* LocalFrame::view() const
    {
        return m_view.get();
    }

    inline ScriptController& LocalFrame::script()
    {
        return *m_script;
    }

    inline FrameSelection& LocalFrame::selection() const
    {
        return *m_selection;
    }

    inline Editor& LocalFrame::editor() const
    {
        return *m_editor;
    }

    inline SpellChecker& LocalFrame::spellChecker() const
    {
        return *m_spellChecker;
    }

    inline FrameConsole& LocalFrame::console() const
    {
        return *m_console;
    }

    inline InputMethodController& LocalFrame::inputMethodController() const
    {
        return *m_inputMethodController;
    }

    inline EventHandler& LocalFrame::eventHandler() const
    {
        ASSERT(m_eventHandler);
        return *m_eventHandler;
    }

    inline NewEventHandler& LocalFrame::newEventHandler() const
    {
        ASSERT(m_newEventHandler);
        return *m_newEventHandler;
    }

    DEFINE_TYPE_CASTS(LocalFrame, Frame, localFrame, true, true);

} // namespace blink

// During refactoring, there are some places where we need to do type conversions that
// will not be needed once all instances of LocalFrame and RemoteFrame are sorted out.
// At that time this #define will be removed and all the uses of it will need to be corrected.
#define toLocalFrameTemporary toLocalFrame

#endif  // SKY_ENGINE_CORE_FRAME_LOCALFRAME_H_