libcamera: controls: Use ControlValidator to validate ControlList

Replace the manual validation of controls against a Camera with usage of
the new ControlValidator interface.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

include/libcamera/controls.h

@@ -13,7 +13,7 @@
 
 namespace libcamera {
 
-class Camera;
+class ControlValidator;
 
 enum ControlType {
 	ControlTypeNone,
@@ -119,7 +119,7 @@ private:
 	using ControlListMap = std::unordered_map<const ControlId *, ControlValue>;
 
 public:
-	ControlList(Camera *camera);
+	ControlList(ControlValidator *validator);
 
 	using iterator = ControlListMap::iterator;
 	using const_iterator = ControlListMap::const_iterator;
@@ -160,7 +160,7 @@ private:
 	const ControlValue *find(const ControlId &id) const;
 	ControlValue *find(const ControlId &id);
 
-	Camera *camera_;
+	ControlValidator *validator_;
 	ControlListMap controls_;
 };
 

include/libcamera/request.h

@@ -19,9 +19,9 @@ namespace libcamera {
 
 class Buffer;
 class Camera;
+class CameraControlValidator;
 class Stream;
 
-
 class Request
 {
 public:
@@ -36,7 +36,7 @@ public:
 	Request &operator=(const Request &) = delete;
 	~Request();
 
-	ControlList &controls() { return controls_; }
+	ControlList &controls() { return *controls_; }
 	const std::map<Stream *, Buffer *> &buffers() const { return bufferMap_; }
 	int addBuffer(std::unique_ptr<Buffer> buffer);
 	Buffer *findBuffer(Stream *stream) const;
@@ -56,7 +56,8 @@ private:
 	bool completeBuffer(Buffer *buffer);
 
 	Camera *camera_;
-	ControlList controls_;
+	CameraControlValidator *validator_;
+	ControlList *controls_;
 	std::map<Stream *, Buffer *> bufferMap_;
 	std::unordered_set<Buffer *> pending_;