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      1 /*
      2  * Copyright (C) 2009 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef WebPopupMenuImpl_h
     32 #define WebPopupMenuImpl_h
     33 
     34 #include "FramelessScrollViewClient.h"
     35 #include "WebPoint.h"
     36 #include "WebPopupMenu.h"
     37 #include "WebSize.h"
     38 #include <wtf/RefCounted.h>
     39 
     40 namespace WebCore {
     41 class Frame;
     42 class FramelessScrollView;
     43 class KeyboardEvent;
     44 class Page;
     45 class PlatformKeyboardEvent;
     46 class Range;
     47 class Widget;
     48 }
     49 
     50 namespace WebKit {
     51 class WebKeyboardEvent;
     52 class WebMouseEvent;
     53 class WebMouseWheelEvent;
     54 struct WebRect;
     55 
     56 class WebPopupMenuImpl : public WebPopupMenu,
     57                          public WebCore::FramelessScrollViewClient,
     58                          public RefCounted<WebPopupMenuImpl> {
     59     WTF_MAKE_FAST_ALLOCATED;
     60 public:
     61     // WebWidget
     62     virtual void close();
     63     virtual WebSize size() { return m_size; }
     64     virtual void resize(const WebSize&);
     65     virtual void animate();
     66     virtual void layout();
     67     virtual void paint(WebCanvas* canvas, const WebRect& rect);
     68     virtual void themeChanged();
     69     virtual void composite(bool finish);
     70     virtual bool handleInputEvent(const WebInputEvent&);
     71     virtual void mouseCaptureLost();
     72     virtual void setFocus(bool enable);
     73     virtual bool setComposition(
     74         const WebString& text,
     75         const WebVector<WebCompositionUnderline>& underlines,
     76         int selectionStart, int selectionEnd);
     77     virtual bool confirmComposition();
     78     virtual bool confirmComposition(const WebString& text);
     79     virtual WebTextInputType textInputType();
     80     virtual WebRect caretOrSelectionBounds();
     81     virtual bool selectionRange(WebPoint& start, WebPoint& end) const { return false; }
     82     virtual void setTextDirection(WebTextDirection direction);
     83     virtual bool isAcceleratedCompositingActive() const { return false; }
     84 
     85     // WebPopupMenuImpl
     86     void Init(WebCore::FramelessScrollView* widget,
     87               const WebRect& bounds);
     88 
     89     WebWidgetClient* client() { return m_client; }
     90 
     91     void MouseMove(const WebMouseEvent&);
     92     void MouseLeave(const WebMouseEvent&);
     93     void MouseDown(const WebMouseEvent&);
     94     void MouseUp(const WebMouseEvent&);
     95     void MouseDoubleClick(const WebMouseEvent&);
     96     void MouseWheel(const WebMouseWheelEvent&);
     97     bool KeyEvent(const WebKeyboardEvent&);
     98 
     99    protected:
    100     friend class WebPopupMenu;  // For WebPopupMenu::create
    101     friend class WTF::RefCounted<WebPopupMenuImpl>;
    102 
    103     WebPopupMenuImpl(WebWidgetClient* client);
    104     ~WebPopupMenuImpl();
    105 
    106     // WebCore::HostWindow methods:
    107     virtual void invalidateContents(const WebCore::IntRect&, bool);
    108     virtual void invalidateWindow(const WebCore::IntRect&, bool);
    109     virtual void invalidateContentsAndWindow(const WebCore::IntRect&, bool);
    110     virtual void invalidateContentsForSlowScroll(const WebCore::IntRect&, bool);
    111     virtual void scheduleAnimation();
    112     virtual void scroll(
    113         const WebCore::IntSize& scrollDelta, const WebCore::IntRect& scrollRect,
    114         const WebCore::IntRect& clipRect);
    115     virtual WebCore::IntPoint screenToWindow(const WebCore::IntPoint&) const;
    116     virtual WebCore::IntRect windowToScreen(const WebCore::IntRect&) const;
    117     virtual PlatformPageClient platformPageClient() const { return 0; }
    118     virtual void scrollRectIntoView(const WebCore::IntRect&, const WebCore::ScrollView*) const;
    119     virtual void scrollbarsModeDidChange() const;
    120     virtual void setCursor(const WebCore::Cursor&);
    121 
    122     // WebCore::FramelessScrollViewClient methods:
    123     virtual void popupClosed(WebCore::FramelessScrollView*);
    124 
    125     WebWidgetClient* m_client;
    126     WebSize m_size;
    127 
    128     WebPoint m_lastMousePosition;
    129 
    130     // This is a non-owning ref.  The popup will notify us via popupClosed()
    131     // before it is destroyed.
    132     WebCore::FramelessScrollView* m_widget;
    133 };
    134 
    135 } // namespace WebKit
    136 
    137 #endif
    138