dom/camera/CameraControlListener.h

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0 1 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 #ifndef DOM_CAMERA_CAMERACONTROLLISTENER_H
michael@0 6 #define DOM_CAMERA_CAMERACONTROLLISTENER_H
michael@0 7
michael@0 8 #include <stdint.h>
michael@0 9 #include "ICameraControl.h"
michael@0 10
michael@0 11 namespace mozilla {
michael@0 12
michael@0 13 namespace layers {
michael@0 14 class Image;
michael@0 15 }
michael@0 16
michael@0 17 class CameraControlListener
michael@0 18 {
michael@0 19 public:
michael@0 20 CameraControlListener()
michael@0 21 {
michael@0 22 MOZ_COUNT_CTOR(CameraControlListener);
michael@0 23 }
michael@0 24
michael@0 25 protected:
michael@0 26 // Protected destructor, to discourage deletion outside of Release():
michael@0 27 virtual ~CameraControlListener()
michael@0 28 {
michael@0 29 MOZ_COUNT_DTOR(CameraControlListener);
michael@0 30 }
michael@0 31
michael@0 32 public:
michael@0 33 NS_INLINE_DECL_THREADSAFE_REFCOUNTING(CameraControlListener);
michael@0 34
michael@0 35 enum HardwareState
michael@0 36 {
michael@0 37 kHardwareOpen,
michael@0 38 kHardwareClosed
michael@0 39 };
michael@0 40 virtual void OnHardwareStateChange(HardwareState aState) { }
michael@0 41
michael@0 42 enum PreviewState
michael@0 43 {
michael@0 44 kPreviewStopped,
michael@0 45 kPreviewPaused,
michael@0 46 kPreviewStarted
michael@0 47 };
michael@0 48 virtual void OnPreviewStateChange(PreviewState aState) { }
michael@0 49
michael@0 50 enum RecorderState
michael@0 51 {
michael@0 52 kRecorderStopped,
michael@0 53 kRecorderStarted,
michael@0 54 #ifdef MOZ_B2G_CAMERA
michael@0 55 kFileSizeLimitReached,
michael@0 56 kVideoLengthLimitReached,
michael@0 57 kTrackCompleted,
michael@0 58 kTrackFailed,
michael@0 59 kMediaRecorderFailed,
michael@0 60 kMediaServerFailed
michael@0 61 #endif
michael@0 62 };
michael@0 63 enum { kNoTrackNumber = -1 };
michael@0 64 virtual void OnRecorderStateChange(RecorderState aState, int32_t aStatus, int32_t aTrackNum) { }
michael@0 65
michael@0 66 virtual void OnShutter() { }
michael@0 67 virtual bool OnNewPreviewFrame(layers::Image* aFrame, uint32_t aWidth, uint32_t aHeight)
michael@0 68 {
michael@0 69 return false;
michael@0 70 }
michael@0 71
michael@0 72 class CameraListenerConfiguration : public ICameraControl::Configuration
michael@0 73 {
michael@0 74 public:
michael@0 75 uint32_t mMaxMeteringAreas;
michael@0 76 uint32_t mMaxFocusAreas;
michael@0 77 };
michael@0 78 virtual void OnConfigurationChange(const CameraListenerConfiguration& aConfiguration) { }
michael@0 79
michael@0 80 virtual void OnAutoFocusComplete(bool aAutoFocusSucceeded) { }
michael@0 81 virtual void OnAutoFocusMoving(bool aIsMoving) { }
michael@0 82 virtual void OnTakePictureComplete(uint8_t* aData, uint32_t aLength, const nsAString& aMimeType) { }
michael@0 83 virtual void OnFacesDetected(const nsTArray<ICameraControl::Face>& aFaces) { }
michael@0 84
michael@0 85 enum CameraErrorContext
michael@0 86 {
michael@0 87 kInStartCamera,
michael@0 88 kInStopCamera,
michael@0 89 kInAutoFocus,
michael@0 90 kInStartFaceDetection,
michael@0 91 kInStopFaceDetection,
michael@0 92 kInTakePicture,
michael@0 93 kInStartRecording,
michael@0 94 kInStopRecording,
michael@0 95 kInSetConfiguration,
michael@0 96 kInStartPreview,
michael@0 97 kInStopPreview,
michael@0 98 kInResumeContinuousFocus,
michael@0 99 kInUnspecified
michael@0 100 };
michael@0 101 enum CameraError
michael@0 102 {
michael@0 103 kErrorApiFailed,
michael@0 104 kErrorInitFailed,
michael@0 105 kErrorInvalidConfiguration,
michael@0 106 kErrorServiceFailed,
michael@0 107 kErrorSetPictureSizeFailed,
michael@0 108 kErrorSetThumbnailSizeFailed,
michael@0 109 kErrorUnknown
michael@0 110 };
michael@0 111 virtual void OnError(CameraErrorContext aContext, CameraError aError) { }
michael@0 112 };
michael@0 113
michael@0 114 } // namespace mozilla
michael@0 115
michael@0 116 #endif // DOM_CAMERA_CAMERACONTROLLISTENER_H

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