1/*
2 * Copyright (C) 2015 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#if ENABLE(RESOURCE_USAGE)
29
30#include "FloatRect.h"
31#include "GraphicsLayer.h"
32#include "IntRect.h"
33#include "PageOverlay.h"
34#include <wtf/Noncopyable.h>
35#include <wtf/RetainPtr.h>
36
37#if PLATFORM(COCOA)
38#include "PlatformCALayer.h"
39#endif
40
41namespace WebCore {
42
43class FloatRect;
44class IntPoint;
45class IntRect;
46
47class ResourceUsageOverlay final : public PageOverlay::Client {
48 WTF_MAKE_FAST_ALLOCATED;
49 WTF_MAKE_NONCOPYABLE(ResourceUsageOverlay);
50public:
51 explicit ResourceUsageOverlay(Page&);
52 ~ResourceUsageOverlay();
53
54 PageOverlay& overlay() { return *m_overlay; }
55
56#if PLATFORM(COCOA)
57 void platformDraw(CGContextRef);
58#endif
59
60 static const int normalWidth = 570;
61 static const int normalHeight = 160;
62
63private:
64 void willMoveToPage(PageOverlay&, Page*) override { }
65 void didMoveToPage(PageOverlay&, Page*) override { }
66 void drawRect(PageOverlay&, GraphicsContext&, const IntRect&) override { }
67 bool mouseEvent(PageOverlay&, const PlatformMouseEvent&) override;
68 void didScrollFrame(PageOverlay&, Frame&) override { }
69
70 void initialize();
71
72 void platformInitialize();
73 void platformDestroy();
74
75 Page& m_page;
76 RefPtr<PageOverlay> m_overlay;
77 bool m_dragging { false };
78 IntPoint m_dragPoint;
79
80#if PLATFORM(COCOA)
81 RetainPtr<CALayer> m_layer;
82 RetainPtr<CALayer> m_containerLayer;
83#endif
84
85#if OS(LINUX)
86 RefPtr<GraphicsLayer> m_paintLayer;
87 std::unique_ptr<GraphicsLayerClient> m_overlayPainter;
88#endif
89};
90
91} // namespace WebCore
92
93#endif // ENABLE(RESOURCE_USAGE)
94