1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
/*
* Copyright 2010, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "CachedPrefix.h"
#include "CachedLayer.h"
#include "FloatRect.h"
#include "LayerAndroid.h"
namespace android {
#if USE(ACCELERATED_COMPOSITING)
IntRect CachedLayer::adjustBounds(const LayerAndroid* root,
const IntRect& bounds) const
{
const LayerAndroid* aLayer = layer(root);
if (!aLayer) {
DBG_NAV_LOGD("no layer in root=%p uniqueId=%d", root, mUniqueId);
#if DUMP_NAV_CACHE
if (root)
mDebug.printRootLayerAndroid(root);
#endif
return bounds;
}
FloatRect temp = bounds;
// First, remove the original offset from the bounds.
temp.move(-mOffset.x(), -mOffset.y());
// Next, add in the new position of the layer (could be different due to a
// fixed position layer).
FloatPoint position = getGlobalPosition(aLayer);
temp.move(position.x(), position.y());
// Add in any layer translation.
const FloatPoint& translation = aLayer->translation();
temp.move(translation.x(), translation.y());
IntRect result = enclosingIntRect(temp);
DBG_NAV_LOGV("root=%p aLayer=%p [%d]"
" bounds=(%d,%d,w=%d,h=%d) trans=(%g,%g) pos=(%f,%f)"
" offset=(%d,%d)"
" result=(%d,%d,w=%d,h=%d)",
root, aLayer, aLayer->uniqueId(),
bounds.x(), bounds.y(), bounds.width(), bounds.height(),
translation.x(), translation.y(), position.x(), position.y(),
mOffset.x(), mOffset.y(),
result.x(), result.y(), result.width(), result.height());
return result;
}
IntRect CachedLayer::unadjustBounds(const LayerAndroid* root,
const IntRect& bounds) const
{
const LayerAndroid* aLayer = layer(root);
if (!aLayer)
return bounds;
IntRect temp = bounds;
// Remove the new position (i.e. fixed position elements).
FloatPoint position = getGlobalPosition(aLayer);
temp.move(-position.x(), -position.y());
// Remove any layer translation.
const FloatPoint& translation = aLayer->translation();
temp.move(-translation.x(), -translation.y());
// Move it back to the original offset.
temp.move(mOffset.x(), mOffset.y());
DBG_NAV_LOGD("root=%p aLayer=%p [%d]"
" bounds=(%d,%d,w=%d,h=%d) trans=(%g,%g) pos=(%f,%f)"
" offset=(%d,%d)"
" result=(%d,%d,w=%d,h=%d)",
root, aLayer, aLayer->uniqueId(),
bounds.x(), bounds.y(), bounds.width(), bounds.height(),
translation.x(), translation.y(), position.x(), position.y(),
mOffset.x(), mOffset.y(),
temp.x(), temp.y(), temp.width(), temp.height());
return temp;
}
FloatPoint CachedLayer::getGlobalPosition(const LayerAndroid* aLayer) const
{
SkPoint result = aLayer->getPosition();
const SkLayer* parent = aLayer->getParent();
while (parent) {
result += parent->getPosition();
DBG_NAV_LOGV("result=(%g,%g) parent=%p [%d]", result.fX, result.fY,
parent, ((LayerAndroid*) parent)->uniqueId());
parent = parent->getParent();
}
return result;
}
const LayerAndroid* CachedLayer::layer(const LayerAndroid* root) const
{
if (!root)
return 0;
return root->findById(mUniqueId);
}
// return bounds relative to the layer as recorded when walking the dom
IntRect CachedLayer::localBounds(const LayerAndroid* root,
const IntRect& bounds) const
{
IntRect temp = bounds;
// Remove the original offset from the bounds.
temp.move(-mOffset.x(), -mOffset.y());
#if DEBUG_NAV_UI
const LayerAndroid* aLayer = layer(root);
DBG_NAV_LOGD("aLayer=%p [%d] bounds=(%d,%d,w=%d,h=%d) offset=(%d,%d)"
" result=(%d,%d,w=%d,h=%d)",
aLayer, aLayer ? aLayer->uniqueId() : 0,
bounds.x(), bounds.y(), bounds.width(), bounds.height(),
mOffset.x(), mOffset.y(),
temp.x(), temp.y(), temp.width(), temp.height());
#endif
return temp;
}
SkPicture* CachedLayer::picture(const LayerAndroid* root) const
{
const LayerAndroid* aLayer = layer(root);
if (!aLayer)
return 0;
DBG_NAV_LOGD("root=%p aLayer=%p [%d] picture=%p",
root, aLayer, aLayer->uniqueId(), aLayer->picture());
return aLayer->picture();
}
void CachedLayer::toLocal(const LayerAndroid* root, int* xPtr, int* yPtr) const
{
const LayerAndroid* aLayer = layer(root);
if (!aLayer)
return;
DBG_NAV_LOGD("root=%p aLayer=%p [%d]", root, aLayer, aLayer->uniqueId());
SkRect localBounds;
aLayer->bounds(&localBounds);
*xPtr -= localBounds.fLeft;
*yPtr -= localBounds.fTop;
}
#if DUMP_NAV_CACHE
CachedLayer* CachedLayer::Debug::base() const {
return (CachedLayer*) ((char*) this - OFFSETOF(CachedLayer, mDebug));
}
void CachedLayer::Debug::print() const
{
CachedLayer* b = base();
DUMP_NAV_LOGD(" // int mCachedNodeIndex=%d;\n", b->mCachedNodeIndex);
DUMP_NAV_LOGD(" // LayerAndroid* mLayer=%p;\n", b->mLayer);
DUMP_NAV_LOGD(" // int mOffset=(%d, %d);\n",
b->mOffset.x(), b->mOffset.y());
DUMP_NAV_LOGD(" // int mUniqueId=%p;\n", b->mUniqueId);
DUMP_NAV_LOGD("%s\n", "");
}
#endif
#if DUMP_NAV_CACHE
int CachedLayer::Debug::spaces;
void CachedLayer::Debug::printLayerAndroid(const LayerAndroid* layer)
{
++spaces;
SkRect bounds;
layer->bounds(&bounds);
DBG_NAV_LOGD("%.*s layer=%p [%d] (%g,%g,%g,%g)"
" position=(%g,%g) translation=(%g,%g) anchor=(%g,%g)"
" matrix=(%g,%g) childMatrix=(%g,%g) picture=%p clipped=%s"
" scrollable=%s\n",
spaces, " ", layer, layer->uniqueId(),
bounds.fLeft, bounds.fTop, bounds.width(), bounds.height(),
layer->getPosition().fX, layer->getPosition().fY,
layer->translation().x(), layer->translation().y(),
layer->getAnchorPoint().fX, layer->getAnchorPoint().fY,
layer->getMatrix().getTranslateX(), layer->getMatrix().getTranslateY(),
layer->getChildrenMatrix().getTranslateX(),
layer->getChildrenMatrix().getTranslateY(),
layer->picture(), layer->m_haveClip ? "true" : "false",
layer->contentIsScrollable() ? "true" : "false");
for (int i = 0; i < layer->countChildren(); i++)
printLayerAndroid(layer->getChild(i));
--spaces;
}
void CachedLayer::Debug::printRootLayerAndroid(const LayerAndroid* layer)
{
spaces = 0;
printLayerAndroid(layer);
}
#endif
#endif // USE(ACCELERATED_COMPOSITING)
}
|
