1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/camera/DOMCameraControlListener.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,406 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 +* License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.6 +* You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#include "DOMCameraControlListener.h"
1.9 +#include "nsThreadUtils.h"
1.10 +#include "nsDOMFile.h"
1.11 +#include "CameraCommon.h"
1.12 +#include "DOMCameraControl.h"
1.13 +#include "CameraPreviewMediaStream.h"
1.14 +#include "mozilla/dom/CameraManagerBinding.h"
1.15 +
1.16 +using namespace mozilla;
1.17 +using namespace mozilla::dom;
1.18 +
1.19 +DOMCameraControlListener::DOMCameraControlListener(nsDOMCameraControl* aDOMCameraControl,
1.20 + CameraPreviewMediaStream* aStream)
1.21 + : mDOMCameraControl(new nsMainThreadPtrHolder<nsDOMCameraControl>(aDOMCameraControl))
1.22 + , mStream(aStream)
1.23 +{
1.24 + DOM_CAMERA_LOGT("%s:%d : this=%p, camera=%p, stream=%p\n",
1.25 + __func__, __LINE__, this, aDOMCameraControl, aStream);
1.26 +}
1.27 +
1.28 +DOMCameraControlListener::~DOMCameraControlListener()
1.29 +{
1.30 + DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
1.31 +}
1.32 +
1.33 +// Boilerplate callback runnable
1.34 +class DOMCameraControlListener::DOMCallback : public nsRunnable
1.35 +{
1.36 +public:
1.37 + DOMCallback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl)
1.38 + : mDOMCameraControl(aDOMCameraControl)
1.39 + {
1.40 + MOZ_COUNT_CTOR(DOMCameraControlListener::DOMCallback);
1.41 + }
1.42 + virtual ~DOMCallback()
1.43 + {
1.44 + MOZ_COUNT_DTOR(DOMCameraControlListener::DOMCallback);
1.45 + }
1.46 +
1.47 + virtual void RunCallback(nsDOMCameraControl* aDOMCameraControl) = 0;
1.48 +
1.49 + NS_IMETHOD
1.50 + Run() MOZ_OVERRIDE
1.51 + {
1.52 + MOZ_ASSERT(NS_IsMainThread());
1.53 +
1.54 + nsRefPtr<nsDOMCameraControl> camera = mDOMCameraControl.get();
1.55 + if (camera) {
1.56 + RunCallback(camera);
1.57 + }
1.58 + return NS_OK;
1.59 + }
1.60 +
1.61 +protected:
1.62 + nsMainThreadPtrHandle<nsDOMCameraControl> mDOMCameraControl;
1.63 +};
1.64 +
1.65 +// Specific callback handlers
1.66 +void
1.67 +DOMCameraControlListener::OnHardwareStateChange(HardwareState aState)
1.68 +{
1.69 + class Callback : public DOMCallback
1.70 + {
1.71 + public:
1.72 + Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
1.73 + HardwareState aState)
1.74 + : DOMCallback(aDOMCameraControl)
1.75 + , mState(aState)
1.76 + { }
1.77 +
1.78 + void
1.79 + RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
1.80 + {
1.81 + aDOMCameraControl->OnHardwareStateChange(mState);
1.82 + }
1.83 +
1.84 + protected:
1.85 + HardwareState mState;
1.86 + };
1.87 +
1.88 + NS_DispatchToMainThread(new Callback(mDOMCameraControl, aState));
1.89 +}
1.90 +
1.91 +void
1.92 +DOMCameraControlListener::OnPreviewStateChange(PreviewState aState)
1.93 +{
1.94 + class Callback : public DOMCallback
1.95 + {
1.96 + public:
1.97 + Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
1.98 + PreviewState aState)
1.99 + : DOMCallback(aDOMCameraControl)
1.100 + , mState(aState)
1.101 + { }
1.102 +
1.103 + void
1.104 + RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
1.105 + {
1.106 + aDOMCameraControl->OnPreviewStateChange(mState);
1.107 + }
1.108 +
1.109 + protected:
1.110 + PreviewState mState;
1.111 + };
1.112 +
1.113 + switch (aState) {
1.114 + case kPreviewStopped:
1.115 + // Clear the current frame right away, without dispatching a
1.116 + // runnable. This is an ugly coupling between the camera's
1.117 + // SurfaceTextureClient and the MediaStream/ImageContainer,
1.118 + // but without it, the preview can fail to start.
1.119 + DOM_CAMERA_LOGI("Preview stopped, clearing current frame\n");
1.120 + mStream->ClearCurrentFrame();
1.121 + break;
1.122 +
1.123 + case kPreviewPaused:
1.124 + // In the paused state, we still want to reflect the change
1.125 + // in preview state, but we don't want to clear the current
1.126 + // frame as above, since doing so seems to cause genlock
1.127 + // problems when we restart the preview. See bug 957749.
1.128 + DOM_CAMERA_LOGI("Preview paused\n");
1.129 + break;
1.130 +
1.131 + case kPreviewStarted:
1.132 + DOM_CAMERA_LOGI("Preview started\n");
1.133 + break;
1.134 +
1.135 + default:
1.136 + DOM_CAMERA_LOGE("Unknown preview state %d\n", aState);
1.137 + MOZ_ASSUME_UNREACHABLE("Invalid preview state");
1.138 + return;
1.139 + }
1.140 + NS_DispatchToMainThread(new Callback(mDOMCameraControl, aState));
1.141 +}
1.142 +
1.143 +void
1.144 +DOMCameraControlListener::OnRecorderStateChange(RecorderState aState,
1.145 + int32_t aStatus, int32_t aTrackNum)
1.146 +{
1.147 + class Callback : public DOMCallback
1.148 + {
1.149 + public:
1.150 + Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
1.151 + RecorderState aState,
1.152 + int32_t aStatus,
1.153 + int32_t aTrackNum)
1.154 + : DOMCallback(aDOMCameraControl)
1.155 + , mState(aState)
1.156 + , mStatus(aStatus)
1.157 + , mTrackNum(aTrackNum)
1.158 + { }
1.159 +
1.160 + void
1.161 + RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
1.162 + {
1.163 + aDOMCameraControl->OnRecorderStateChange(mState, mStatus, mTrackNum);
1.164 + }
1.165 +
1.166 + protected:
1.167 + RecorderState mState;
1.168 + int32_t mStatus;
1.169 + int32_t mTrackNum;
1.170 + };
1.171 +
1.172 + NS_DispatchToMainThread(new Callback(mDOMCameraControl, aState, aStatus, aTrackNum));
1.173 +}
1.174 +
1.175 +void
1.176 +DOMCameraControlListener::OnConfigurationChange(const CameraListenerConfiguration& aConfiguration)
1.177 +{
1.178 + class Callback : public DOMCallback
1.179 + {
1.180 + public:
1.181 + Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
1.182 + const CameraListenerConfiguration& aConfiguration)
1.183 + : DOMCallback(aDOMCameraControl)
1.184 + , mConfiguration(aConfiguration)
1.185 + { }
1.186 +
1.187 + void
1.188 + RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
1.189 + {
1.190 + nsRefPtr<nsDOMCameraControl::DOMCameraConfiguration> config =
1.191 + new nsDOMCameraControl::DOMCameraConfiguration();
1.192 +
1.193 + switch (mConfiguration.mMode) {
1.194 + case ICameraControl::kVideoMode:
1.195 + config->mMode = CameraMode::Video;
1.196 + break;
1.197 +
1.198 + case ICameraControl::kPictureMode:
1.199 + config->mMode = CameraMode::Picture;
1.200 + break;
1.201 +
1.202 + default:
1.203 + DOM_CAMERA_LOGI("Camera mode still unspecified, nothing to do\n");
1.204 + return;
1.205 + }
1.206 +
1.207 + // Map CameraControl parameters to their DOM-facing equivalents
1.208 + config->mRecorderProfile = mConfiguration.mRecorderProfile;
1.209 + config->mPreviewSize.mWidth = mConfiguration.mPreviewSize.width;
1.210 + config->mPreviewSize.mHeight = mConfiguration.mPreviewSize.height;
1.211 + config->mMaxMeteringAreas = mConfiguration.mMaxMeteringAreas;
1.212 + config->mMaxFocusAreas = mConfiguration.mMaxFocusAreas;
1.213 +
1.214 + aDOMCameraControl->OnConfigurationChange(config);
1.215 + }
1.216 +
1.217 + protected:
1.218 + const CameraListenerConfiguration mConfiguration;
1.219 + };
1.220 +
1.221 + NS_DispatchToMainThread(new Callback(mDOMCameraControl, aConfiguration));
1.222 +}
1.223 +
1.224 +void
1.225 +DOMCameraControlListener::OnAutoFocusMoving(bool aIsMoving)
1.226 +{
1.227 + class Callback : public DOMCallback
1.228 + {
1.229 + public:
1.230 + Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl, bool aIsMoving)
1.231 + : DOMCallback(aDOMCameraControl)
1.232 + , mIsMoving(aIsMoving)
1.233 + { }
1.234 +
1.235 + void
1.236 + RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
1.237 + {
1.238 + aDOMCameraControl->OnAutoFocusMoving(mIsMoving);
1.239 + }
1.240 +
1.241 + protected:
1.242 + bool mIsMoving;
1.243 + };
1.244 +
1.245 + NS_DispatchToMainThread(new Callback(mDOMCameraControl, aIsMoving));
1.246 +}
1.247 +
1.248 +void
1.249 +DOMCameraControlListener::OnFacesDetected(const nsTArray<ICameraControl::Face>& aFaces)
1.250 +{
1.251 + class Callback : public DOMCallback
1.252 + {
1.253 + public:
1.254 + Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
1.255 + const nsTArray<ICameraControl::Face>& aFaces)
1.256 + : DOMCallback(aDOMCameraControl)
1.257 + , mFaces(aFaces)
1.258 + { }
1.259 +
1.260 + void
1.261 + RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
1.262 + {
1.263 + aDOMCameraControl->OnFacesDetected(mFaces);
1.264 + }
1.265 +
1.266 + protected:
1.267 + const nsTArray<ICameraControl::Face> mFaces;
1.268 + };
1.269 +
1.270 + NS_DispatchToMainThread(new Callback(mDOMCameraControl, aFaces));
1.271 +}
1.272 +
1.273 +void
1.274 +DOMCameraControlListener::OnShutter()
1.275 +{
1.276 + class Callback : public DOMCallback
1.277 + {
1.278 + public:
1.279 + Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl)
1.280 + : DOMCallback(aDOMCameraControl)
1.281 + { }
1.282 +
1.283 + void
1.284 + RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
1.285 + {
1.286 + aDOMCameraControl->OnShutter();
1.287 + }
1.288 + };
1.289 +
1.290 + NS_DispatchToMainThread(new Callback(mDOMCameraControl));
1.291 +}
1.292 +
1.293 +bool
1.294 +DOMCameraControlListener::OnNewPreviewFrame(layers::Image* aImage, uint32_t aWidth, uint32_t aHeight)
1.295 +{
1.296 + DOM_CAMERA_LOGI("OnNewPreviewFrame: got %d x %d frame\n", aWidth, aHeight);
1.297 +
1.298 + mStream->SetCurrentFrame(gfxIntSize(aWidth, aHeight), aImage);
1.299 + return true;
1.300 +}
1.301 +
1.302 +void
1.303 +DOMCameraControlListener::OnAutoFocusComplete(bool aAutoFocusSucceeded)
1.304 +{
1.305 + class Callback : public DOMCallback
1.306 + {
1.307 + public:
1.308 + Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
1.309 + bool aAutoFocusSucceeded)
1.310 + : DOMCallback(aDOMCameraControl)
1.311 + , mAutoFocusSucceeded(aAutoFocusSucceeded)
1.312 + { }
1.313 +
1.314 + void
1.315 + RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
1.316 + {
1.317 + aDOMCameraControl->OnAutoFocusComplete(mAutoFocusSucceeded);
1.318 + }
1.319 +
1.320 + protected:
1.321 + bool mAutoFocusSucceeded;
1.322 + };
1.323 +
1.324 + NS_DispatchToMainThread(new Callback(mDOMCameraControl, aAutoFocusSucceeded));
1.325 +}
1.326 +
1.327 +void
1.328 +DOMCameraControlListener::OnTakePictureComplete(uint8_t* aData, uint32_t aLength, const nsAString& aMimeType)
1.329 +{
1.330 + class Callback : public DOMCallback
1.331 + {
1.332 + public:
1.333 + Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
1.334 + uint8_t* aData, uint32_t aLength, const nsAString& aMimeType)
1.335 + : DOMCallback(aDOMCameraControl)
1.336 + , mData(aData)
1.337 + , mLength(aLength)
1.338 + , mMimeType(aMimeType)
1.339 + { }
1.340 +
1.341 + void
1.342 + RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
1.343 + {
1.344 + nsCOMPtr<nsIDOMBlob> picture = new nsDOMMemoryFile(static_cast<void*>(mData),
1.345 + static_cast<uint64_t>(mLength),
1.346 + mMimeType);
1.347 + aDOMCameraControl->OnTakePictureComplete(picture);
1.348 + }
1.349 +
1.350 + protected:
1.351 + uint8_t* mData;
1.352 + uint32_t mLength;
1.353 + nsString mMimeType;
1.354 + };
1.355 +
1.356 + NS_DispatchToMainThread(new Callback(mDOMCameraControl, aData, aLength, aMimeType));
1.357 +}
1.358 +
1.359 +void
1.360 +DOMCameraControlListener::OnError(CameraErrorContext aContext, CameraError aError)
1.361 +{
1.362 + class Callback : public DOMCallback
1.363 + {
1.364 + public:
1.365 + Callback(nsMainThreadPtrHandle<nsDOMCameraControl> aDOMCameraControl,
1.366 + CameraErrorContext aContext,
1.367 + CameraError aError)
1.368 + : DOMCallback(aDOMCameraControl)
1.369 + , mContext(aContext)
1.370 + , mError(aError)
1.371 + { }
1.372 +
1.373 + virtual void
1.374 + RunCallback(nsDOMCameraControl* aDOMCameraControl) MOZ_OVERRIDE
1.375 + {
1.376 + nsString error;
1.377 +
1.378 + switch (mError) {
1.379 + case kErrorServiceFailed:
1.380 + error = NS_LITERAL_STRING("ErrorServiceFailed");
1.381 + break;
1.382 +
1.383 + case kErrorSetPictureSizeFailed:
1.384 + error = NS_LITERAL_STRING("ErrorSetPictureSizeFailed");
1.385 + break;
1.386 +
1.387 + case kErrorSetThumbnailSizeFailed:
1.388 + error = NS_LITERAL_STRING("ErrorSetThumbnailSizeFailed");
1.389 + break;
1.390 +
1.391 + case kErrorApiFailed:
1.392 + // XXXmikeh legacy error placeholder
1.393 + error = NS_LITERAL_STRING("FAILURE");
1.394 + break;
1.395 +
1.396 + default:
1.397 + error = NS_LITERAL_STRING("ErrorUnknown");
1.398 + break;
1.399 + }
1.400 + aDOMCameraControl->OnError(mContext, error);
1.401 + }
1.402 +
1.403 + protected:
1.404 + CameraErrorContext mContext;
1.405 + CameraError mError;
1.406 + };
1.407 +
1.408 + NS_DispatchToMainThread(new Callback(mDOMCameraControl, aContext, aError));
1.409 +}
