cc/CCProxy.cpp

   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 "CCProxy.h"
   8
   9 #include "CCThreadTask.h"
  10
  11 using namespace WTF;
  12
  13 namespace cc {
  14
  15 namespace {
  16 #ifndef NDEBUG
  17 bool implThreadIsOverridden = false;
  18 bool s_isMainThreadBlocked = false;
  19 base::PlatformThreadId threadIDOverridenToBeImplThread;
  20 #endif
  21 CCThread* s_mainThread = 0;
  22 CCThread* s_implThread = 0;
  23 }
  24
  25 void CCProxy::setMainThread(CCThread* thread)
  26 {
  27     s_mainThread = thread;
  28 }
  29
  30 CCThread* CCProxy::mainThread()
  31 {
  32     return s_mainThread;
  33 }
  34
  35 bool CCProxy::hasImplThread()
  36 {
  37     return s_implThread;
  38 }
  39
  40 void CCProxy::setImplThread(CCThread* thread)
  41 {
  42     s_implThread = thread;
  43 }
  44
  45 CCThread* CCProxy::implThread()
  46 {
  47     return s_implThread;
  48 }
  49
  50 CCThread* CCProxy::currentThread()
  51 {
  52     base::PlatformThreadId currentThreadIdentifier = base::PlatformThread::CurrentId();
  53     if (s_mainThread && s_mainThread->threadID() == currentThreadIdentifier)
  54         return s_mainThread;
  55     if (s_implThread && s_implThread->threadID() == currentThreadIdentifier)
  56         return s_implThread;
  57     return 0;
  58 }
  59
  60 #ifndef NDEBUG
  61 bool CCProxy::isMainThread()
  62 {
  63     ASSERT(s_mainThread);
  64     if (implThreadIsOverridden && base::PlatformThread::CurrentId() == threadIDOverridenToBeImplThread)
  65         return false;
  66     return base::PlatformThread::CurrentId() == s_mainThread->threadID();
  67 }
  68
  69 bool CCProxy::isImplThread()
  70 {
  71     base::PlatformThreadId implThreadID = s_implThread ? s_implThread->threadID() : 0;
  72     if (implThreadIsOverridden && base::PlatformThread::CurrentId() == threadIDOverridenToBeImplThread)
  73         return true;
  74     return base::PlatformThread::CurrentId() == implThreadID;
  75 }
  76
  77 void CCProxy::setCurrentThreadIsImplThread(bool isImplThread)
  78 {
  79     implThreadIsOverridden = isImplThread;
  80     if (isImplThread)
  81         threadIDOverridenToBeImplThread = base::PlatformThread::CurrentId();
  82 }
  83
  84 bool CCProxy::isMainThreadBlocked()
  85 {
  86     return s_isMainThreadBlocked;
  87 }
  88
  89 void CCProxy::setMainThreadBlocked(bool isMainThreadBlocked)
  90 {
  91     s_isMainThreadBlocked = isMainThreadBlocked;
  92 }
  93 #endif
  94
  95 CCProxy::CCProxy()
  96 {
  97     ASSERT(isMainThread());
  98 }
  99
 100 CCProxy::~CCProxy()
 101 {
 102     ASSERT(isMainThread());
 103 }
 104
 105 }