OLD | NEW |
| (Empty) |
1 // Copyright 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "config.h" | |
6 | |
7 #if USE(ACCELERATED_COMPOSITING) | |
8 | |
9 #include "CCScrollbarLayerImpl.h" | |
10 | |
11 #include "CCQuadSink.h" | |
12 #include "CCScrollbarAnimationController.h" | |
13 #include "CCTextureDrawQuad.h" | |
14 | |
15 using WebKit::WebRect; | |
16 using WebKit::WebScrollbar; | |
17 | |
18 namespace cc { | |
19 | |
20 scoped_ptr<CCScrollbarLayerImpl> CCScrollbarLayerImpl::create(int id) | |
21 { | |
22 return make_scoped_ptr(new CCScrollbarLayerImpl(id)); | |
23 } | |
24 | |
25 CCScrollbarLayerImpl::CCScrollbarLayerImpl(int id) | |
26 : CCLayerImpl(id) | |
27 , m_scrollbar(this) | |
28 , m_backTrackResourceId(0) | |
29 , m_foreTrackResourceId(0) | |
30 , m_thumbResourceId(0) | |
31 , m_scrollbarOverlayStyle(WebScrollbar::ScrollbarOverlayStyleDefault) | |
32 , m_orientation(WebScrollbar::Horizontal) | |
33 , m_controlSize(WebScrollbar::RegularScrollbar) | |
34 , m_pressedPart(WebScrollbar::NoPart) | |
35 , m_hoveredPart(WebScrollbar::NoPart) | |
36 , m_isScrollableAreaActive(false) | |
37 , m_isScrollViewScrollbar(false) | |
38 , m_enabled(false) | |
39 , m_isCustomScrollbar(false) | |
40 , m_isOverlayScrollbar(false) | |
41 { | |
42 } | |
43 | |
44 CCScrollbarLayerImpl::~CCScrollbarLayerImpl() | |
45 { | |
46 } | |
47 | |
48 void CCScrollbarLayerImpl::setScrollbarGeometry(PassOwnPtr<CCScrollbarGeometryFi
xedThumb> geometry) | |
49 { | |
50 m_geometry = geometry; | |
51 } | |
52 | |
53 void CCScrollbarLayerImpl::setScrollbarData(WebScrollbar* scrollbar) | |
54 { | |
55 m_scrollbarOverlayStyle = scrollbar->scrollbarOverlayStyle(); | |
56 m_orientation = scrollbar->orientation(); | |
57 m_controlSize = scrollbar->controlSize(); | |
58 m_pressedPart = scrollbar->pressedPart(); | |
59 m_hoveredPart = scrollbar->hoveredPart(); | |
60 m_isScrollableAreaActive = scrollbar->isScrollableAreaActive(); | |
61 m_isScrollViewScrollbar = scrollbar->isScrollViewScrollbar(); | |
62 m_enabled = scrollbar->enabled(); | |
63 m_isCustomScrollbar = scrollbar->isCustomScrollbar(); | |
64 m_isOverlayScrollbar = scrollbar->isOverlay(); | |
65 | |
66 scrollbar->getTickmarks(m_tickmarks); | |
67 | |
68 m_geometry->update(scrollbar); | |
69 } | |
70 | |
71 static FloatRect toUVRect(const WebRect& r, const IntRect& bounds) | |
72 { | |
73 return FloatRect(static_cast<float>(r.x) / bounds.width(), static_cast<float
>(r.y) / bounds.height(), | |
74 static_cast<float>(r.width) / bounds.width(), static_cast<f
loat>(r.height) / bounds.height()); | |
75 } | |
76 | |
77 void CCScrollbarLayerImpl::appendQuads(CCQuadSink& quadSink, CCAppendQuadsData&
appendQuadsData) | |
78 { | |
79 bool premultipledAlpha = false; | |
80 bool flipped = false; | |
81 FloatRect uvRect(0, 0, 1, 1); | |
82 IntRect boundsRect(IntPoint(), bounds()); | |
83 IntRect contentBoundsRect(IntPoint(), contentBounds()); | |
84 | |
85 CCSharedQuadState* sharedQuadState = quadSink.useSharedQuadState(createShare
dQuadState()); | |
86 appendDebugBorderQuad(quadSink, sharedQuadState, appendQuadsData); | |
87 | |
88 WebRect thumbRect, backTrackRect, foreTrackRect; | |
89 m_geometry->splitTrack(&m_scrollbar, m_geometry->trackRect(&m_scrollbar), ba
ckTrackRect, thumbRect, foreTrackRect); | |
90 if (!m_geometry->hasThumb(&m_scrollbar)) | |
91 thumbRect = WebRect(); | |
92 | |
93 if (m_thumbResourceId && !thumbRect.isEmpty()) { | |
94 scoped_ptr<CCTextureDrawQuad> quad = CCTextureDrawQuad::create(sharedQua
dState, layerRectToContentRect(thumbRect), m_thumbResourceId, premultipledAlpha,
uvRect, flipped); | |
95 quad->setNeedsBlending(); | |
96 quadSink.append(quad.PassAs<CCDrawQuad>(), appendQuadsData); | |
97 } | |
98 | |
99 if (!m_backTrackResourceId) | |
100 return; | |
101 | |
102 // We only paint the track in two parts if we were given a texture for the f
orward track part. | |
103 if (m_foreTrackResourceId && !foreTrackRect.isEmpty()) | |
104 quadSink.append(CCTextureDrawQuad::create(sharedQuadState, layerRectToCo
ntentRect(foreTrackRect), m_foreTrackResourceId, premultipledAlpha, toUVRect(for
eTrackRect, boundsRect), flipped).PassAs<CCDrawQuad>(), appendQuadsData); | |
105 | |
106 // Order matters here: since the back track texture is being drawn to the en
tire contents rect, we must append it after the thumb and | |
107 // fore track quads. The back track texture contains (and displays) the butt
ons. | |
108 if (!contentBoundsRect.isEmpty()) | |
109 quadSink.append(CCTextureDrawQuad::create(sharedQuadState, IntRect(conte
ntBoundsRect), m_backTrackResourceId, premultipledAlpha, uvRect, flipped).PassAs
<CCDrawQuad>(), appendQuadsData); | |
110 } | |
111 | |
112 void CCScrollbarLayerImpl::didLoseContext() | |
113 { | |
114 m_backTrackResourceId = 0; | |
115 m_foreTrackResourceId = 0; | |
116 m_thumbResourceId = 0; | |
117 } | |
118 | |
119 bool CCScrollbarLayerImpl::CCScrollbar::isOverlay() const | |
120 { | |
121 return m_owner->m_isOverlayScrollbar; | |
122 } | |
123 | |
124 int CCScrollbarLayerImpl::CCScrollbar::value() const | |
125 { | |
126 return m_owner->m_currentPos; | |
127 } | |
128 | |
129 WebKit::WebPoint CCScrollbarLayerImpl::CCScrollbar::location() const | |
130 { | |
131 return WebKit::WebPoint(); | |
132 } | |
133 | |
134 WebKit::WebSize CCScrollbarLayerImpl::CCScrollbar::size() const | |
135 { | |
136 return WebKit::WebSize(m_owner->bounds().width(), m_owner->bounds().height()
); | |
137 } | |
138 | |
139 bool CCScrollbarLayerImpl::CCScrollbar::enabled() const | |
140 { | |
141 return m_owner->m_enabled; | |
142 } | |
143 | |
144 int CCScrollbarLayerImpl::CCScrollbar::maximum() const | |
145 { | |
146 return m_owner->m_maximum; | |
147 } | |
148 | |
149 int CCScrollbarLayerImpl::CCScrollbar::totalSize() const | |
150 { | |
151 return m_owner->m_totalSize; | |
152 } | |
153 | |
154 bool CCScrollbarLayerImpl::CCScrollbar::isScrollViewScrollbar() const | |
155 { | |
156 return m_owner->m_isScrollViewScrollbar; | |
157 } | |
158 | |
159 bool CCScrollbarLayerImpl::CCScrollbar::isScrollableAreaActive() const | |
160 { | |
161 return m_owner->m_isScrollableAreaActive; | |
162 } | |
163 | |
164 void CCScrollbarLayerImpl::CCScrollbar::getTickmarks(WebKit::WebVector<WebRect>&
tickmarks) const | |
165 { | |
166 tickmarks = m_owner->m_tickmarks; | |
167 } | |
168 | |
169 WebScrollbar::ScrollbarControlSize CCScrollbarLayerImpl::CCScrollbar::controlSiz
e() const | |
170 { | |
171 return m_owner->m_controlSize; | |
172 } | |
173 | |
174 WebScrollbar::ScrollbarPart CCScrollbarLayerImpl::CCScrollbar::pressedPart() con
st | |
175 { | |
176 return m_owner->m_pressedPart; | |
177 } | |
178 | |
179 WebScrollbar::ScrollbarPart CCScrollbarLayerImpl::CCScrollbar::hoveredPart() con
st | |
180 { | |
181 return m_owner->m_hoveredPart; | |
182 } | |
183 | |
184 WebScrollbar::ScrollbarOverlayStyle CCScrollbarLayerImpl::CCScrollbar::scrollbar
OverlayStyle() const | |
185 { | |
186 return m_owner->m_scrollbarOverlayStyle; | |
187 } | |
188 | |
189 WebScrollbar::Orientation CCScrollbarLayerImpl::CCScrollbar::orientation() const | |
190 { | |
191 return m_owner->m_orientation; | |
192 } | |
193 | |
194 bool CCScrollbarLayerImpl::CCScrollbar::isCustomScrollbar() const | |
195 { | |
196 return m_owner->m_isCustomScrollbar; | |
197 } | |
198 | |
199 const char* CCScrollbarLayerImpl::layerTypeAsString() const | |
200 { | |
201 return "ScrollbarLayer"; | |
202 } | |
203 | |
204 } | |
205 | |
206 #endif // USE(ACCELERATED_COMPOSITING) | |
OLD | NEW |