1/*
2 * Copyright (C) 2013 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 FullscreenController_h
32#define FullscreenController_h
33
34#include "platform/geometry/FloatPoint.h"
35#include "platform/geometry/IntSize.h"
36#include "platform/heap/Handle.h"
37#include "wtf/PassOwnPtr.h"
38#include "wtf/RefPtr.h"
39
40namespace blink {
41
42class Element;
43class LocalFrame;
44class WebViewImpl;
45
46class FullscreenController FINAL : public NoBaseWillBeGarbageCollected<FullscreenController> {
47public:
48    static PassOwnPtrWillBeRawPtr<FullscreenController> create(WebViewImpl*);
49
50    void didEnterFullScreen();
51    void didExitFullScreen();
52
53    void enterFullScreenForElement(Element*);
54    void exitFullScreenForElement(Element*);
55
56    bool isFullscreen() { return m_fullScreenFrame; }
57
58    void trace(Visitor*);
59
60protected:
61    explicit FullscreenController(WebViewImpl*);
62
63private:
64    WebViewImpl* m_webViewImpl;
65
66    float m_exitFullscreenPageScaleFactor;
67    IntSize m_exitFullscreenScrollOffset;
68    FloatPoint m_exitFullscreenPinchViewportOffset;
69
70    // If set, the WebView is transitioning to fullscreen for this element.
71    RefPtrWillBeMember<Element> m_provisionalFullScreenElement;
72
73    // If set, the WebView is in fullscreen mode for an element in this frame.
74    RefPtrWillBeMember<LocalFrame> m_fullScreenFrame;
75
76    bool m_isCancelingFullScreen;
77};
78
79} // namespace blink
80
81#endif
82