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 "config.h"
   6
   7 #include "cc/proxy.h"
   8
   9 #include "cc/thread.h"
  10 #include "cc/thread_impl.h"
  11
  12 namespace cc {
  13
  14 Thread* Proxy::mainThread() const
  15 {
  16     return m_mainThread.get();
  17 }
  18
  19 bool Proxy::hasImplThread() const
  20 {
  21     return m_implThread;
  22 }
  23
  24 Thread* Proxy::implThread() const
  25 {
  26     return m_implThread.get();
  27 }
  28
  29 Thread* Proxy::currentThread() const
  30 {
  31     if (mainThread() && mainThread()->belongsToCurrentThread())
  32         return mainThread();
  33     if (implThread() && implThread()->belongsToCurrentThread())
  34         return implThread();
  35     return 0;
  36 }
  37
  38 bool Proxy::isMainThread() const
  39 {
  40 #ifndef NDEBUG
  41     DCHECK(mainThread());
  42     if (m_implThreadIsOverridden)
  43         return false;
  44     return mainThread()->belongsToCurrentThread();
  45 #else
  46     return true;
  47 #endif
  48 }
  49
  50 bool Proxy::isImplThread() const
  51 {
  52 #ifndef NDEBUG
  53     if (m_implThreadIsOverridden)
  54         return true;
  55     return implThread() && implThread()->belongsToCurrentThread();
  56 #else
  57     return true;
  58 #endif
  59 }
  60
  61 #ifndef NDEBUG
  62 void Proxy::setCurrentThreadIsImplThread(bool isImplThread)
  63 {
  64     m_implThreadIsOverridden = isImplThread;
  65 }
  66 #endif
  67
  68 bool Proxy::isMainThreadBlocked() const
  69 {
  70 #ifndef NDEBUG
  71     return m_isMainThreadBlocked;
  72 #else
  73     return true;
  74 #endif
  75 }
  76
  77 #ifndef NDEBUG
  78 void Proxy::setMainThreadBlocked(bool isMainThreadBlocked)
  79 {
  80     m_isMainThreadBlocked = isMainThreadBlocked;
  81 }
  82 #endif
  83
  84 Proxy::Proxy(scoped_ptr<Thread> implThread)
  85     : m_mainThread(ThreadImpl::createForCurrentThread())
  86     , m_implThread(implThread.Pass())
  87 #ifndef NDEBUG
  88     , m_implThreadIsOverridden(false)
  89     , m_isMainThreadBlocked(false)
  90 #endif
  91 {
  92 }
  93
  94 Proxy::~Proxy()
  95 {
  96     DCHECK(isMainThread());
  97 }
  98
  99 }  // namespace cc