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 28 GraphicsLayerDebugInfo::GraphicsLayerDebugInfo() 29 : m_compositingReasons(CompositingReasonNone) 30 { 31 } 32 33 GraphicsLayerDebugInfo::~GraphicsLayerDebugInfo() { } 34 35 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 45 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 55 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 72 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 83 void GraphicsLayerDebugInfo::appendDebugName(JSONObject* jsonObject) const 84 { 85 if (m_debugName.isEmpty()) 86 return; 87 88 jsonObject->setString("layer_name", m_debugName); 89 } 90 91 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
