2 * Copyright (C) 2010 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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.
29 #include "APIObject.h"
31 #include <WebCore/Color.h>
32 #include <WebCore/IntRect.h>
33 #include <wtf/PassRefPtr.h>
34 #include <wtf/RunLoop.h>
38 class GraphicsContext;
48 class PageOverlay : public API::ObjectImpl<API::Object::Type::BundlePageOverlay> {
55 virtual void pageOverlayDestroyed(PageOverlay*) = 0;
56 virtual void willMoveToWebPage(PageOverlay*, WebPage*) = 0;
57 virtual void didMoveToWebPage(PageOverlay*, WebPage*) = 0;
58 virtual void drawRect(PageOverlay*, WebCore::GraphicsContext&, const WebCore::IntRect& dirtyRect) = 0;
59 virtual bool mouseEvent(PageOverlay*, const WebMouseEvent&) = 0;
60 virtual void didScrollFrame(PageOverlay*, WebCore::Frame*) { }
62 virtual WKTypeRef copyAccessibilityAttributeValue(PageOverlay*, WKStringRef /* attribute */, WKTypeRef /* parameter */) { return 0; }
63 virtual WKArrayRef copyAccessibilityAttributeNames(PageOverlay*, bool /* parameterizedNames */) { return 0; }
66 enum class OverlayType {
67 View, // Fixed to the view size; does not scale or scroll with the document, repaints on scroll.
68 Document, // Scales and scrolls with the document.
71 static PassRefPtr<PageOverlay> create(Client*, OverlayType = OverlayType::View);
72 virtual ~PageOverlay();
74 void setPage(WebPage*);
75 void setNeedsDisplay(const WebCore::IntRect& dirtyRect);
76 void setNeedsDisplay();
78 void drawRect(WebCore::GraphicsContext&, const WebCore::IntRect& dirtyRect);
79 bool mouseEvent(const WebMouseEvent&);
80 void didScrollFrame(WebCore::Frame*);
82 WKTypeRef copyAccessibilityAttributeValue(WKStringRef attribute, WKTypeRef parameter);
83 WKArrayRef copyAccessibilityAttributeNames(bool parameterizedNames);
85 void startFadeInAnimation();
86 void startFadeOutAnimation();
87 void stopFadeOutAnimation();
91 Client* client() const { return m_client; }
93 enum class FadeMode { DoNotFade, Fade };
95 OverlayType overlayType() { return m_overlayType; }
97 WebCore::IntRect bounds() const;
98 WebCore::IntRect frame() const;
99 void setFrame(WebCore::IntRect);
101 WebCore::RGBA32 backgroundColor() const { return m_backgroundColor; }
102 void setBackgroundColor(WebCore::RGBA32);
104 WebCore::GraphicsLayer* layer();
107 explicit PageOverlay(Client*, OverlayType);
110 void startFadeAnimation();
111 void fadeAnimationTimerFired();
116 RunLoop::Timer<PageOverlay> m_fadeAnimationTimer;
117 double m_fadeAnimationStartTime;
118 double m_fadeAnimationDuration;
120 enum FadeAnimationType {
126 FadeAnimationType m_fadeAnimationType;
127 float m_fractionFadedIn;
129 OverlayType m_overlayType;
130 WebCore::IntRect m_overrideFrame;
132 WebCore::RGBA32 m_backgroundColor;
135 } // namespace WebKit
137 #endif // PageOverlay_h