cc/proxy.cc

   1 // Copyright 2011 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 "cc/proxy.h"
   6
   7 #include "cc/thread.h"
   8 #include "cc/thread_impl.h"
   9
  10 namespace cc {
  11
  12 Thread* Proxy::mainThread() const
  13 {
  14     return m_mainThread.get();
  15 }
  16
  17 bool Proxy::hasImplThread() const
  18 {
  19     return m_implThread;
  20 }
  21
  22 Thread* Proxy::implThread() const
  23 {
  24     return m_implThread.get();
  25 }
  26
  27 Thread* Proxy::currentThread() const
  28 {
  29     if (mainThread() && mainThread()->belongsToCurrentThread())
  30         return mainThread();
  31     if (implThread() && implThread()->belongsToCurrentThread())
  32         return implThread();
  33     return 0;
  34 }
  35
  36 bool Proxy::isMainThread() const
  37 {
  38 #ifndef NDEBUG
  39     DCHECK(mainThread());
  40     if (m_implThreadIsOverridden)
  41         return false;
  42     return mainThread()->belongsToCurrentThread();
  43 #else
  44     return true;
  45 #endif
  46 }
  47
  48 bool Proxy::isImplThread() const
  49 {
  50 #ifndef NDEBUG
  51     if (m_implThreadIsOverridden)
  52         return true;
  53     return implThread() && implThread()->belongsToCurrentThread();
  54 #else
  55     return true;
  56 #endif
  57 }
  58
  59 #ifndef NDEBUG
  60 void Proxy::setCurrentThreadIsImplThread(bool isImplThread)
  61 {
  62     m_implThreadIsOverridden = isImplThread;
  63 }
  64 #endif
  65
  66 bool Proxy::isMainThreadBlocked() const
  67 {
  68 #ifndef NDEBUG
  69     return m_isMainThreadBlocked;
  70 #else
  71     return true;
  72 #endif
  73 }
  74
  75 #ifndef NDEBUG
  76 void Proxy::setMainThreadBlocked(bool isMainThreadBlocked)
  77 {
  78     m_isMainThreadBlocked = isMainThreadBlocked;
  79 }
  80 #endif
  81
  82 Proxy::Proxy(scoped_ptr<Thread> implThread)
  83     : m_mainThread(ThreadImpl::createForCurrentThread())
  84     , m_implThread(implThread.Pass())
  85 #ifndef NDEBUG
  86     , m_implThreadIsOverridden(false)
  87     , m_isMainThreadBlocked(false)
  88 #endif
  89 {
  90 }
  91
  92 Proxy::~Proxy()
  93 {
  94     DCHECK(isMainThread());
  95 }
  96
  97 }  // namespace cc