third_party/WebKit/Source/web/InspectorRenderingAgent.cpp

   1 // Copyright 2015 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 #include "web/InspectorRenderingAgent.h"
   7
   8 #include "core/frame/FrameView.h"
   9 #include "core/frame/Settings.h"
  10 #include "core/inspector/InspectorState.h"
  11 #include "core/page/Page.h"
  12 #include "web/WebLocalFrameImpl.h"
  13 #include "web/WebViewImpl.h"
  14
  15 namespace blink {
  16
  17 namespace RenderingAgentState {
  18 static const char showDebugBorders[] = "showDebugBorders";
  19 static const char showFPSCounter[] = "showFPSCounter";
  20 static const char showPaintRects[] = "showPaintRects";
  21 static const char showScrollBottleneckRects[] = "showScrollBottleneckRects";
  22 }
  23
  24 PassOwnPtrWillBeRawPtr<InspectorRenderingAgent> InspectorRenderingAgent::create(WebViewImpl* webViewImpl)
  25 {
  26     return adoptPtrWillBeNoop(new InspectorRenderingAgent(webViewImpl));
  27 }
  28
  29 InspectorRenderingAgent::InspectorRenderingAgent(WebViewImpl* webViewImpl)
  30     : InspectorBaseAgent<InspectorRenderingAgent, InspectorFrontend::Rendering>("Rendering")
  31     , m_webViewImpl(webViewImpl)
  32 {
  33 }
  34
  35 void InspectorRenderingAgent::restore()
  36 {
  37     ErrorString error;
  38     setShowDebugBorders(&error, m_state->getBoolean(RenderingAgentState::showDebugBorders));
  39     setShowFPSCounter(&error, m_state->getBoolean(RenderingAgentState::showFPSCounter));
  40     setShowPaintRects(&error, m_state->getBoolean(RenderingAgentState::showPaintRects));
  41     setShowScrollBottleneckRects(&error, m_state->getBoolean(RenderingAgentState::showScrollBottleneckRects));
  42 }
  43
  44 void InspectorRenderingAgent::disable(ErrorString*)
  45 {
  46     ErrorString error;
  47     setShowDebugBorders(&error, false);
  48     setShowFPSCounter(&error, false);
  49     setShowPaintRects(&error, false);
  50     setShowScrollBottleneckRects(&error, false);
  51 }
  52
  53 void InspectorRenderingAgent::setShowDebugBorders(ErrorString* errorString, bool show)
  54 {
  55     m_state->setBoolean(RenderingAgentState::showDebugBorders, show);
  56     if (show && !compositingEnabled(errorString))
  57         return;
  58     m_webViewImpl->setShowDebugBorders(show);
  59 }
  60
  61 void InspectorRenderingAgent::setShowFPSCounter(ErrorString* errorString, bool show)
  62 {
  63     m_state->setBoolean(RenderingAgentState::showFPSCounter, show);
  64     if (show && !compositingEnabled(errorString))
  65         return;
  66     m_webViewImpl->setShowFPSCounter(show);
  67 }
  68
  69 void InspectorRenderingAgent::setShowPaintRects(ErrorString*, bool show)
  70 {
  71     m_state->setBoolean(RenderingAgentState::showPaintRects, show);
  72     m_webViewImpl->setShowPaintRects(show);
  73     if (!show && m_webViewImpl->mainFrameImpl()->frameView())
  74         m_webViewImpl->mainFrameImpl()->frameView()->invalidate();
  75 }
  76
  77 void InspectorRenderingAgent::setShowScrollBottleneckRects(ErrorString* errorString, bool show)
  78 {
  79     m_state->setBoolean(RenderingAgentState::showScrollBottleneckRects, show);
  80     if (show && !compositingEnabled(errorString))
  81         return;
  82     m_webViewImpl->setShowScrollBottleneckRects(show);
  83 }
  84
  85 bool InspectorRenderingAgent::compositingEnabled(ErrorString* errorString)
  86 {
  87     if (!m_webViewImpl->page()->settings().acceleratedCompositingEnabled()) {
  88         if (errorString)
  89             *errorString = "Compositing mode is not supported";
  90         return false;
  91     }
  92     return true;
  93 }
  94
  95 DEFINE_TRACE(InspectorRenderingAgent)
  96 {
  97     InspectorBaseAgent::trace(visitor);
  98 }
  99
 100 } // namespace blink