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https://github.com/flutter/flutter.git
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100 lines
3.4 KiB
C++
100 lines
3.4 KiB
C++
/*
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* Copyright (C) 2014 Google Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "platform/graphics/GraphicsLayerDebugInfo.h"
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#include "wtf/text/CString.h"
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namespace blink {
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GraphicsLayerDebugInfo::GraphicsLayerDebugInfo()
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: m_compositingReasons(CompositingReasonNone)
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{
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}
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GraphicsLayerDebugInfo::~GraphicsLayerDebugInfo() { }
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void GraphicsLayerDebugInfo::appendAsTraceFormat(WebString* out) const
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{
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RefPtr<JSONObject> jsonObject = JSONObject::create();
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appendLayoutRects(jsonObject.get());
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appendCompositingReasons(jsonObject.get());
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appendDebugName(jsonObject.get());
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appendOwnerNodeId(jsonObject.get());
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*out = jsonObject->toJSONString();
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}
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GraphicsLayerDebugInfo* GraphicsLayerDebugInfo::clone() const
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{
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GraphicsLayerDebugInfo* toReturn = new GraphicsLayerDebugInfo();
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for (size_t i = 0; i < m_currentLayoutRects.size(); ++i)
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toReturn->currentLayoutRects().append(m_currentLayoutRects[i]);
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toReturn->setCompositingReasons(m_compositingReasons);
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toReturn->setOwnerNodeId(m_ownerNodeId);
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return toReturn;
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}
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void GraphicsLayerDebugInfo::appendLayoutRects(JSONObject* jsonObject) const
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{
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RefPtr<JSONArray> jsonArray = JSONArray::create();
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for (size_t i = 0; i < m_currentLayoutRects.size(); i++) {
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const LayoutRect& rect = m_currentLayoutRects[i];
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RefPtr<JSONObject> rectContainer = JSONObject::create();
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RefPtr<JSONArray> rectArray = JSONArray::create();
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rectArray->pushNumber(rect.x().toFloat());
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rectArray->pushNumber(rect.y().toFloat());
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rectArray->pushNumber(rect.maxX().toFloat());
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rectArray->pushNumber(rect.maxY().toFloat());
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rectContainer->setArray("geometry_rect", rectArray);
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jsonArray->pushObject(rectContainer);
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}
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jsonObject->setArray("layout_rects", jsonArray);
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}
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void GraphicsLayerDebugInfo::appendCompositingReasons(JSONObject* jsonObject) const
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{
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RefPtr<JSONArray> jsonArray = JSONArray::create();
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for (size_t i = 0; i < kNumberOfCompositingReasons; ++i) {
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if (!(m_compositingReasons & kCompositingReasonStringMap[i].reason))
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continue;
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jsonArray->pushString(kCompositingReasonStringMap[i].description);
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}
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jsonObject->setArray("compositing_reasons", jsonArray);
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}
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void GraphicsLayerDebugInfo::appendDebugName(JSONObject* jsonObject) const
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{
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if (m_debugName.isEmpty())
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return;
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jsonObject->setString("layer_name", m_debugName);
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}
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void GraphicsLayerDebugInfo::appendOwnerNodeId(JSONObject* jsonObject) const
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{
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if (!m_ownerNodeId)
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return;
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jsonObject->setNumber("owner_node", m_ownerNodeId);
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}
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} // namespace blink
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