1 /*
2 * Copyright (C) 2014 Google Inc. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20 #include "config.h"
21
22 #include "platform/graphics/GraphicsLayerDebugInfo.h"
23
24 #include "wtf/text/CString.h"
25
26 namespace WebCore {
27
GraphicsLayerDebugInfo()28 GraphicsLayerDebugInfo::GraphicsLayerDebugInfo()
29 : m_compositingReasons(CompositingReasonNone)
30 {
31 }
32
~GraphicsLayerDebugInfo()33 GraphicsLayerDebugInfo::~GraphicsLayerDebugInfo() { }
34
appendAsTraceFormat(blink::WebString * out) const35 void GraphicsLayerDebugInfo::appendAsTraceFormat(blink::WebString* out) const
36 {
37 RefPtr<JSONObject> jsonObject = JSONObject::create();
38 appendLayoutRects(jsonObject.get());
39 appendCompositingReasons(jsonObject.get());
40 appendDebugName(jsonObject.get());
41 appendOwnerNodeId(jsonObject.get());
42 *out = jsonObject->toJSONString();
43 }
44
clone() const45 GraphicsLayerDebugInfo* GraphicsLayerDebugInfo::clone() const
46 {
47 GraphicsLayerDebugInfo* toReturn = new GraphicsLayerDebugInfo();
48 for (size_t i = 0; i < m_currentLayoutRects.size(); ++i)
49 toReturn->currentLayoutRects().append(m_currentLayoutRects[i]);
50 toReturn->setCompositingReasons(m_compositingReasons);
51 toReturn->setOwnerNodeId(m_ownerNodeId);
52 return toReturn;
53 }
54
appendLayoutRects(JSONObject * jsonObject) const55 void GraphicsLayerDebugInfo::appendLayoutRects(JSONObject* jsonObject) const
56 {
57 RefPtr<JSONArray> jsonArray = JSONArray::create();
58 for (size_t i = 0; i < m_currentLayoutRects.size(); i++) {
59 const LayoutRect& rect = m_currentLayoutRects[i];
60 RefPtr<JSONObject> rectContainer = JSONObject::create();
61 RefPtr<JSONArray> rectArray = JSONArray::create();
62 rectArray->pushNumber(rect.x().toFloat());
63 rectArray->pushNumber(rect.y().toFloat());
64 rectArray->pushNumber(rect.maxX().toFloat());
65 rectArray->pushNumber(rect.maxY().toFloat());
66 rectContainer->setArray("geometry_rect", rectArray);
67 jsonArray->pushObject(rectContainer);
68 }
69 jsonObject->setArray("layout_rects", jsonArray);
70 }
71
appendCompositingReasons(JSONObject * jsonObject) const72 void GraphicsLayerDebugInfo::appendCompositingReasons(JSONObject* jsonObject) const
73 {
74 RefPtr<JSONArray> jsonArray = JSONArray::create();
75 for (size_t i = 0; i < WTF_ARRAY_LENGTH(compositingReasonStringMap); ++i) {
76 if (!(m_compositingReasons & compositingReasonStringMap[i].reason))
77 continue;
78 jsonArray->pushString(compositingReasonStringMap[i].description);
79 }
80 jsonObject->setArray("compositing_reasons", jsonArray);
81 }
82
appendDebugName(JSONObject * jsonObject) const83 void GraphicsLayerDebugInfo::appendDebugName(JSONObject* jsonObject) const
84 {
85 if (m_debugName.isEmpty())
86 return;
87
88 jsonObject->setString("layer_name", m_debugName);
89 }
90
appendOwnerNodeId(JSONObject * jsonObject) const91 void GraphicsLayerDebugInfo::appendOwnerNodeId(JSONObject* jsonObject) const
92 {
93 if (!m_ownerNodeId)
94 return;
95
96 jsonObject->setNumber("owner_node", m_ownerNodeId);
97 }
98
99 } // namespace WebCore
100