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 "public/platform/WebContentLayerClient.h"
35#include "public/platform/WebPoint.h"
36#include "public/platform/WebSize.h"
37#include "public/web/WebPopupMenu.h"
38#include "web/PopupContainerClient.h"
39#include "wtf/OwnPtr.h"
40#include "wtf/RefCounted.h"
41
42namespace blink {
43class LocalFrame;
44class KeyboardEvent;
45class Page;
46class PlatformKeyboardEvent;
47class Range;
48class WebContentLayer;
49class WebGestureEvent;
50class WebKeyboardEvent;
51class WebLayerTreeView;
52class WebMouseEvent;
53class WebMouseWheelEvent;
54class WebRange;
55class WebTouchEvent;
56class Widget;
57struct WebRect;
58
59class WebPopupMenuImpl : public WebPopupMenu, public PopupContainerClient, public WebContentLayerClient, public RefCounted<WebPopupMenuImpl> {
60    WTF_MAKE_FAST_ALLOCATED;
61public:
62    // WebWidget functions:
63    virtual void close() OVERRIDE FINAL;
64    virtual WebSize size() OVERRIDE FINAL { return m_size; }
65    virtual void willStartLiveResize() OVERRIDE FINAL;
66    virtual void resize(const WebSize&) OVERRIDE FINAL;
67    virtual void willEndLiveResize() OVERRIDE FINAL;
68    virtual void beginFrame(const WebBeginFrameArgs&) OVERRIDE FINAL;
69    virtual void layout() OVERRIDE FINAL;
70    virtual void paint(WebCanvas*, const WebRect&) OVERRIDE FINAL;
71    virtual void themeChanged() OVERRIDE FINAL;
72    virtual bool handleInputEvent(const WebInputEvent&) OVERRIDE FINAL;
73    virtual void mouseCaptureLost() OVERRIDE FINAL;
74    virtual void setFocus(bool enable) OVERRIDE FINAL;
75    virtual bool setComposition(
76        const WebString& text,
77        const WebVector<WebCompositionUnderline>& underlines,
78        int selectionStart, int selectionEnd) OVERRIDE FINAL;
79    virtual bool confirmComposition() OVERRIDE FINAL;
80    virtual bool confirmComposition(ConfirmCompositionBehavior selectionBehavior) OVERRIDE FINAL;
81    virtual bool confirmComposition(const WebString& text) OVERRIDE FINAL;
82    virtual bool compositionRange(size_t* location, size_t* length) OVERRIDE FINAL;
83    virtual bool caretOrSelectionRange(size_t* location, size_t* length) OVERRIDE FINAL;
84    virtual void setTextDirection(WebTextDirection) OVERRIDE FINAL;
85    virtual bool isAcceleratedCompositingActive() const OVERRIDE FINAL { return false; }
86    virtual bool isPopupMenu() const OVERRIDE FINAL { return true; }
87    virtual void willCloseLayerTreeView() OVERRIDE FINAL;
88
89    // WebContentLayerClient
90    virtual void paintContents(WebCanvas*, const WebRect& clip, bool canPaintLCDTest, WebContentLayerClient::GraphicsContextStatus = GraphicsContextEnabled) OVERRIDE FINAL;
91
92    // WebPopupMenuImpl
93    void initialize(PopupContainer* widget, const WebRect& bounds);
94
95    WebWidgetClient* client() { return m_client; }
96
97    void handleMouseMove(const WebMouseEvent&);
98    void handleMouseLeave(const WebMouseEvent&);
99    void handleMouseDown(const WebMouseEvent&);
100    void handleMouseUp(const WebMouseEvent&);
101    void handleMouseDoubleClick(const WebMouseEvent&);
102    void handleMouseWheel(const WebMouseWheelEvent&);
103    bool handleGestureEvent(const WebGestureEvent&);
104    bool handleTouchEvent(const WebTouchEvent&);
105    bool handleKeyEvent(const WebKeyboardEvent&);
106
107   protected:
108    friend class WebPopupMenu; // For WebPopupMenu::create.
109    friend class WTF::RefCounted<WebPopupMenuImpl>;
110
111    explicit WebPopupMenuImpl(WebWidgetClient*);
112    ~WebPopupMenuImpl();
113
114    // HostWindow methods:
115    virtual void invalidateContentsAndRootView(const IntRect&) OVERRIDE FINAL;
116    virtual void invalidateContentsForSlowScroll(const IntRect&) OVERRIDE FINAL;
117    virtual void scheduleAnimation() OVERRIDE FINAL;
118    virtual IntRect rootViewToScreen(const IntRect&) const OVERRIDE FINAL;
119    virtual WebScreenInfo screenInfo() const OVERRIDE FINAL;
120
121    // PopupContainerClient methods:
122    virtual void popupClosed(PopupContainer*) OVERRIDE FINAL;
123
124    WebWidgetClient* m_client;
125    WebSize m_size;
126
127    WebLayerTreeView* m_layerTreeView;
128    OwnPtr<WebContentLayer> m_rootLayer;
129
130    WebPoint m_lastMousePosition;
131
132    // This is a non-owning ref. The popup will notify us via popupClosed()
133    // before it is destroyed.
134    PopupContainer* m_widget;
135};
136
137DEFINE_TYPE_CASTS(WebPopupMenuImpl, WebWidget, widget, widget->isPopupMenu(), widget.isPopupMenu());
138// WebPopupMenuImpl is the only implementation of PopupContainerClient, so
139// no need for further checking.
140DEFINE_TYPE_CASTS(WebPopupMenuImpl, PopupContainerClient, client, true, true);
141
142} // namespace blink
143
144#endif
145