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#include "MCOperation.h"
using namespace mailcore;
Operation::Operation()
{
mCallback = NULL;
mCancelled = false;
mShouldRunWhenCancelled = false;
pthread_mutex_init(&mLock, NULL);
#if __APPLE__
mCallbackDispatchQueue = dispatch_get_main_queue();
#endif
}
Operation::~Operation()
{
#if __APPLE__
if (mCallbackDispatchQueue != NULL) {
dispatch_release(mCallbackDispatchQueue);
}
#endif
pthread_mutex_destroy(&mLock);
}
void Operation::setCallback(OperationCallback * callback)
{
mCallback = callback;
}
OperationCallback * Operation::callback()
{
return mCallback;
}
void Operation::cancel()
{
pthread_mutex_lock(&mLock);
mCancelled = true;
pthread_mutex_unlock(&mLock);
}
bool Operation::isCancelled()
{
pthread_mutex_lock(&mLock);
bool value = mCancelled;
pthread_mutex_unlock(&mLock);
return value;
}
bool Operation::shouldRunWhenCancelled()
{
return mShouldRunWhenCancelled;
}
void Operation::setShouldRunWhenCancelled(bool shouldRunWhenCancelled)
{
mShouldRunWhenCancelled = shouldRunWhenCancelled;
}
void Operation::beforeMain()
{
}
void Operation::main()
{
}
void Operation::afterMain()
{
}
void Operation::start()
{
}
#if __APPLE__
void Operation::setCallbackDispatchQueue(dispatch_queue_t callbackDispatchQueue)
{
if (mCallbackDispatchQueue != NULL) {
dispatch_release(mCallbackDispatchQueue);
}
mCallbackDispatchQueue = callbackDispatchQueue;
if (mCallbackDispatchQueue != NULL) {
dispatch_retain(mCallbackDispatchQueue);
}
}
dispatch_queue_t Operation::callbackDispatchQueue()
{
return mCallbackDispatchQueue;
}
#endif
void Operation::performMethodOnCallbackThread(Method method, void * context, bool waitUntilDone)
{
#if __APPLE__
dispatch_queue_t queue = mCallbackDispatchQueue;
if (queue == NULL) {
queue = dispatch_get_main_queue();
}
performMethodOnDispatchQueue(method, context, queue, waitUntilDone);
#else
performMethodOnMainThread(method, context, waitUntilDone);
#endif
}
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