NekoCWD/libcamera
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libcamera: camera_manager: Use std::unique_ptr to store event dispatcher

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The CameraManager takes ownership of the dispatcher passed to the
setEventDispatcher() function. Enforces this by using std::unique_ptr<>.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
This commit is contained in:
Laurent Pinchart 2019-01-18 01:49:17 +02:00
parent 0908669834
commit 32bf7ef239
2 changed files with 9 additions and 7 deletions
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4
include/libcamera/camera_manager.h
View file

@ -29,7 +29,7 @@ public:
static CameraManager *instance();
void setEventDispatcher(EventDispatcher *dispatcher);
void setEventDispatcher(std::unique_ptr<EventDispatcher> dispatcher);
EventDispatcher *eventDispatcher();
private:
@ -41,7 +41,7 @@ private:
std::unique_ptr<DeviceEnumerator> enumerator_;
std::vector<PipelineHandler *> pipes_;
EventDispatcher *dispatcher_;
std::unique_ptr<EventDispatcher> dispatcher_;
};
} /* namespace libcamera */

12
src/libcamera/camera_manager.cpp
View file

@ -12,6 +12,7 @@
#include "event_dispatcher_poll.h"
#include "log.h"
#include "pipeline_handler.h"
#include "utils.h"
/**
* \file camera_manager.h
@ -58,7 +59,6 @@ CameraManager::CameraManager()
CameraManager::~CameraManager()
{
delete dispatcher_;
}
/**
@ -209,14 +209,14 @@ CameraManager *CameraManager::instance()
* The CameraManager takes ownership of the event dispatcher and will delete it
* when the application terminates.
*/
void CameraManager::setEventDispatcher(EventDispatcher *dispatcher)
void CameraManager::setEventDispatcher(std::unique_ptr<EventDispatcher> dispatcher)
{
if (dispatcher_) {
LOG(Warning) << "Event dispatcher is already set";
return;
}
dispatcher_ = dispatcher;
dispatcher_ = std::move(dispatcher);
}
/**
@ -226,14 +226,16 @@ void CameraManager::setEventDispatcher(EventDispatcher *dispatcher)
* If no dispatcher has been set, a default poll-based implementation is created
* and returned, and no custom event dispatcher may be installed anymore.
*
* The returned event dispatcher is valid until the camera manager is destroyed.
*
* \return Pointer to the event dispatcher
*/
EventDispatcher *CameraManager::eventDispatcher()
{
if (!dispatcher_)
dispatcher_ = new EventDispatcherPoll();
dispatcher_ = utils::make_unique<EventDispatcherPoll>();
return dispatcher_;
return dispatcher_.get();
}
} /* namespace libcamera */