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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef EXTENSIONS_BROWSER_API_WEBCAM_PRIVATE_WEBCAM_H_
#define EXTENSIONS_BROWSER_API_WEBCAM_PRIVATE_WEBCAM_H_
#include <set>
#include <string>
#include "base/memory/ref_counted.h"
#include "content/public/browser/browser_thread.h"
#include "extensions/browser/api/api_resource.h"
namespace extensions {
class Webcam : public base::RefCounted<Webcam> {
public:
enum PanDirection {
PAN_LEFT,
PAN_RIGHT,
PAN_STOP,
};
enum TiltDirection {
TILT_UP,
TILT_DOWN,
TILT_STOP,
};
enum AutofocusState {
AUTOFOCUS_ON,
AUTOFOCUS_OFF,
};
Webcam();
Webcam(const Webcam&) = delete;
Webcam& operator=(const Webcam&) = delete;
using GetPTZCompleteCallback = base::RepeatingCallback<
void(bool success, int value, int min_value, int max_value)>;
using SetPTZCompleteCallback = base::RepeatingCallback<void(bool success)>;
virtual void GetPan(const GetPTZCompleteCallback& callback) = 0;
virtual void GetTilt(const GetPTZCompleteCallback& callback) = 0;
virtual void GetZoom(const GetPTZCompleteCallback& callback) = 0;
virtual void GetFocus(const GetPTZCompleteCallback& callback) = 0;
virtual void SetPan(int value,
int pan_speed,
const SetPTZCompleteCallback& callback) = 0;
virtual void SetTilt(int value,
int tilt_speed,
const SetPTZCompleteCallback& callback) = 0;
virtual void SetZoom(int value, const SetPTZCompleteCallback& callback) = 0;
virtual void SetPanDirection(PanDirection direction,
int pan_speed,
const SetPTZCompleteCallback& callback) = 0;
virtual void SetTiltDirection(TiltDirection direction,
int tilt_speed,
const SetPTZCompleteCallback& callback) = 0;
virtual void SetFocus(int value, const SetPTZCompleteCallback& callback) = 0;
virtual void SetAutofocusState(AutofocusState state,
const SetPTZCompleteCallback& callback) = 0;
virtual void Reset(bool pan,
bool tilt,
bool zoom,
const SetPTZCompleteCallback& callback) = 0;
virtual void SetHome(const SetPTZCompleteCallback& callback) = 0;
virtual void RestoreCameraPreset(int preset_number,
const SetPTZCompleteCallback& callback) = 0;
virtual void SetCameraPreset(int preset_number,
const SetPTZCompleteCallback& callback) = 0;
protected:
friend class base::RefCounted<Webcam>;
virtual ~Webcam();
};
class WebcamResource : public ApiResource {
public:
WebcamResource(const std::string& owner_extension_id,
Webcam* webcam,
const std::string& webcam_id);
WebcamResource(const WebcamResource&) = delete;
WebcamResource& operator=(const WebcamResource&) = delete;
~WebcamResource() override;
static const content::BrowserThread::ID kThreadId =
content::BrowserThread::UI;
Webcam* GetWebcam() const;
const std::string GetWebcamId() const;
// ApiResource overrides.
bool IsPersistent() const override;
private:
scoped_refptr<Webcam> webcam_;
std::string webcam_id_;
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_API_WEBCAM_PRIVATE_WEBCAM_H_
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