| /* |
| * Copyright (C) 2011 Ericsson AB. All rights reserved. |
| * Copyright (C) 2012 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * 3. Neither the name of Ericsson nor the names of its contributors |
| * may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "modules/mediastream/UserMediaRequest.h" |
| |
| #include <type_traits> |
| |
| #include "bindings/core/v8/Dictionary.h" |
| #include "bindings/core/v8/ExceptionMessages.h" |
| #include "bindings/core/v8/ExceptionState.h" |
| #include "core/dom/DOMException.h" |
| #include "core/dom/Document.h" |
| #include "core/dom/ExceptionCode.h" |
| #include "core/dom/SpaceSplitString.h" |
| #include "core/frame/Deprecation.h" |
| #include "core/frame/HostsUsingFeatures.h" |
| #include "core/origin_trials/origin_trials.h" |
| #include "modules/mediastream/MediaConstraintsImpl.h" |
| #include "modules/mediastream/MediaStream.h" |
| #include "modules/mediastream/MediaStreamConstraints.h" |
| #include "modules/mediastream/MediaTrackConstraints.h" |
| #include "modules/mediastream/OverconstrainedError.h" |
| #include "modules/mediastream/UserMediaController.h" |
| #include "platform/mediastream/MediaStreamCenter.h" |
| #include "platform/mediastream/MediaStreamDescriptor.h" |
| #include "third_party/WebKit/public/mojom/feature_policy/feature_policy.mojom-blink.h" |
| |
| namespace blink { |
| |
| namespace { |
| |
| template <typename NumericConstraint> |
| bool SetUsesNumericConstraint( |
| const WebMediaTrackConstraintSet& set, |
| NumericConstraint WebMediaTrackConstraintSet::*field) { |
| return (set.*field).HasExact() || (set.*field).HasIdeal() || |
| (set.*field).HasMin() || (set.*field).HasMax(); |
| } |
| |
| template <typename DiscreteConstraint> |
| bool SetUsesDiscreteConstraint( |
| const WebMediaTrackConstraintSet& set, |
| DiscreteConstraint WebMediaTrackConstraintSet::*field) { |
| return (set.*field).HasExact() || (set.*field).HasIdeal(); |
| } |
| |
| template <typename NumericConstraint> |
| bool RequestUsesNumericConstraint( |
| const WebMediaConstraints& constraints, |
| NumericConstraint WebMediaTrackConstraintSet::*field) { |
| if (SetUsesNumericConstraint(constraints.Basic(), field)) |
| return true; |
| for (const auto& advanced_set : constraints.Advanced()) { |
| if (SetUsesNumericConstraint(advanced_set, field)) |
| return true; |
| } |
| return false; |
| } |
| |
| template <typename DiscreteConstraint> |
| bool RequestUsesDiscreteConstraint( |
| const WebMediaConstraints& constraints, |
| DiscreteConstraint WebMediaTrackConstraintSet::*field) { |
| static_assert( |
| std::is_same<decltype(field), |
| StringConstraint WebMediaTrackConstraintSet::*>::value || |
| std::is_same<decltype(field), |
| BooleanConstraint WebMediaTrackConstraintSet::*>::value, |
| "Must use StringConstraint or BooleanConstraint"); |
| if (SetUsesDiscreteConstraint(constraints.Basic(), field)) |
| return true; |
| for (const auto& advanced_set : constraints.Advanced()) { |
| if (SetUsesDiscreteConstraint(advanced_set, field)) |
| return true; |
| } |
| return false; |
| } |
| |
| class FeatureCounter { |
| WTF_MAKE_NONCOPYABLE(FeatureCounter); |
| |
| public: |
| FeatureCounter(ExecutionContext* context) |
| : context_(context), is_unconstrained_(true) {} |
| void Count(WebFeature feature) { |
| UseCounter::Count(context_, feature); |
| is_unconstrained_ = false; |
| } |
| bool IsUnconstrained() { return is_unconstrained_; } |
| |
| private: |
| Persistent<ExecutionContext> context_; |
| bool is_unconstrained_; |
| }; |
| |
| void CountAudioConstraintUses(ExecutionContext* context, |
| const WebMediaConstraints& constraints) { |
| FeatureCounter counter(context); |
| if (RequestUsesNumericConstraint(constraints, |
| &WebMediaTrackConstraintSet::sample_rate)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsSampleRate); |
| } |
| if (RequestUsesNumericConstraint(constraints, |
| &WebMediaTrackConstraintSet::sample_size)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsSampleSize); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &WebMediaTrackConstraintSet::echo_cancellation)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsEchoCancellation); |
| } |
| if (RequestUsesNumericConstraint(constraints, |
| &WebMediaTrackConstraintSet::latency)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsLatency); |
| } |
| if (RequestUsesNumericConstraint( |
| constraints, &WebMediaTrackConstraintSet::channel_count)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsChannelCount); |
| } |
| if (RequestUsesDiscreteConstraint(constraints, |
| &WebMediaTrackConstraintSet::device_id)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsDeviceIdAudio); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &WebMediaTrackConstraintSet::disable_local_echo)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsDisableLocalEcho); |
| } |
| if (RequestUsesDiscreteConstraint(constraints, |
| &WebMediaTrackConstraintSet::group_id)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGroupIdAudio); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &WebMediaTrackConstraintSet::media_stream_source)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsMediaStreamSourceAudio); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, |
| &WebMediaTrackConstraintSet::render_to_associated_sink)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsRenderToAssociatedSink); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &WebMediaTrackConstraintSet::hotword_enabled)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsHotwordEnabled); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &WebMediaTrackConstraintSet::goog_echo_cancellation)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogEchoCancellation); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, |
| &WebMediaTrackConstraintSet::goog_experimental_echo_cancellation)) { |
| counter.Count( |
| WebFeature::kMediaStreamConstraintsGoogExperimentalEchoCancellation); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &WebMediaTrackConstraintSet::goog_auto_gain_control)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogAutoGainControl); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, |
| &WebMediaTrackConstraintSet::goog_experimental_auto_gain_control)) { |
| counter.Count( |
| WebFeature::kMediaStreamConstraintsGoogExperimentalAutoGainControl); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &WebMediaTrackConstraintSet::goog_noise_suppression)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogNoiseSuppression); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &WebMediaTrackConstraintSet::goog_highpass_filter)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogHighpassFilter); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, |
| &WebMediaTrackConstraintSet::goog_typing_noise_detection)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogTypingNoiseDetection); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, |
| &WebMediaTrackConstraintSet::goog_experimental_noise_suppression)) { |
| counter.Count( |
| WebFeature::kMediaStreamConstraintsGoogExperimentalNoiseSuppression); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &WebMediaTrackConstraintSet::goog_beamforming)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogBeamforming); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &WebMediaTrackConstraintSet::goog_array_geometry)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogArrayGeometry); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &WebMediaTrackConstraintSet::goog_audio_mirroring)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogAudioMirroring); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, |
| &WebMediaTrackConstraintSet::goog_da_echo_cancellation)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogDAEchoCancellation); |
| } |
| |
| UseCounter::Count(context, WebFeature::kMediaStreamConstraintsAudio); |
| if (counter.IsUnconstrained()) { |
| UseCounter::Count(context, |
| WebFeature::kMediaStreamConstraintsAudioUnconstrained); |
| } |
| } |
| |
| void CountVideoConstraintUses(ExecutionContext* context, |
| const WebMediaConstraints& constraints) { |
| FeatureCounter counter(context); |
| if (RequestUsesNumericConstraint(constraints, |
| &WebMediaTrackConstraintSet::width)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsWidth); |
| } |
| if (RequestUsesNumericConstraint(constraints, |
| &WebMediaTrackConstraintSet::height)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsHeight); |
| } |
| if (RequestUsesNumericConstraint(constraints, |
| &WebMediaTrackConstraintSet::aspect_ratio)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsAspectRatio); |
| } |
| if (RequestUsesNumericConstraint(constraints, |
| &WebMediaTrackConstraintSet::frame_rate)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsFrameRate); |
| } |
| if (RequestUsesDiscreteConstraint(constraints, |
| &WebMediaTrackConstraintSet::facing_mode)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsFacingMode); |
| } |
| if (RequestUsesDiscreteConstraint(constraints, |
| &WebMediaTrackConstraintSet::device_id)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsDeviceIdVideo); |
| } |
| if (RequestUsesDiscreteConstraint(constraints, |
| &WebMediaTrackConstraintSet::group_id)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGroupIdVideo); |
| } |
| if (RequestUsesDiscreteConstraint(constraints, |
| &WebMediaTrackConstraintSet::video_kind)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsVideoKind); |
| } |
| if (RequestUsesNumericConstraint(constraints, |
| &WebMediaTrackConstraintSet::depth_near)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsDepthNear); |
| } |
| if (RequestUsesNumericConstraint(constraints, |
| &WebMediaTrackConstraintSet::depth_far)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsDepthFar); |
| } |
| if (RequestUsesNumericConstraint( |
| constraints, &WebMediaTrackConstraintSet::focal_length_x)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsFocalLengthX); |
| } |
| if (RequestUsesNumericConstraint( |
| constraints, &WebMediaTrackConstraintSet::focal_length_y)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsFocalLengthY); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &WebMediaTrackConstraintSet::media_stream_source)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsMediaStreamSourceVideo); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &WebMediaTrackConstraintSet::goog_noise_reduction)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogNoiseReduction); |
| } |
| if (RequestUsesNumericConstraint( |
| constraints, |
| &WebMediaTrackConstraintSet::goog_power_line_frequency)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogPowerLineFrequency); |
| } |
| |
| UseCounter::Count(context, WebFeature::kMediaStreamConstraintsVideo); |
| if (counter.IsUnconstrained()) { |
| UseCounter::Count(context, |
| WebFeature::kMediaStreamConstraintsVideoUnconstrained); |
| } |
| } |
| |
| WebMediaConstraints ParseOptions(ExecutionContext* context, |
| const BooleanOrMediaTrackConstraints& options, |
| MediaErrorState& error_state) { |
| WebMediaConstraints constraints; |
| |
| if (options.IsNull()) { |
| // Do nothing. |
| } else if (options.IsMediaTrackConstraints()) { |
| constraints = MediaConstraintsImpl::Create( |
| context, options.GetAsMediaTrackConstraints(), error_state); |
| } else { |
| DCHECK(options.IsBoolean()); |
| if (options.GetAsBoolean()) { |
| constraints = MediaConstraintsImpl::Create(); |
| } |
| } |
| |
| return constraints; |
| } |
| |
| } // namespace |
| |
| class UserMediaRequest::V8Callbacks final : public UserMediaRequest::Callbacks { |
| public: |
| static V8Callbacks* Create( |
| V8NavigatorUserMediaSuccessCallback* success_callback, |
| V8NavigatorUserMediaErrorCallback* error_callback) { |
| return new V8Callbacks(success_callback, error_callback); |
| } |
| |
| ~V8Callbacks() override = default; |
| |
| void OnSuccess(ScriptWrappable* callback_this_value, |
| MediaStream* stream) override { |
| success_callback_->InvokeAndReportException(callback_this_value, stream); |
| } |
| void OnError(ScriptWrappable* callback_this_value, |
| DOMExceptionOrOverconstrainedError error) override { |
| error_callback_->InvokeAndReportException(callback_this_value, error); |
| } |
| |
| private: |
| V8Callbacks(V8NavigatorUserMediaSuccessCallback* success_callback, |
| V8NavigatorUserMediaErrorCallback* error_callback) |
| : success_callback_(success_callback), error_callback_(error_callback) {} |
| |
| // As Blink does not hold a UserMediaRequest and lets content/ hold it, |
| // we cannot use wrapper-tracing to keep the underlying callback functions. |
| // Plus, it's guaranteed that the callbacks are one-shot type (not repeated |
| // type) and the owner UserMediaRequest will be discarded in a limited |
| // timeframe. Thus these persistent handles are okay. |
| V8NavigatorUserMediaSuccessCallback::Persistent< |
| V8NavigatorUserMediaSuccessCallback> |
| success_callback_; |
| V8NavigatorUserMediaErrorCallback::Persistent< |
| V8NavigatorUserMediaErrorCallback> |
| error_callback_; |
| }; |
| |
| UserMediaRequest* UserMediaRequest::Create( |
| ExecutionContext* context, |
| UserMediaController* controller, |
| const MediaStreamConstraints& options, |
| Callbacks* callbacks, |
| MediaErrorState& error_state) { |
| WebMediaConstraints audio = |
| ParseOptions(context, options.audio(), error_state); |
| if (error_state.HadException()) |
| return nullptr; |
| |
| WebMediaConstraints video = |
| ParseOptions(context, options.video(), error_state); |
| if (error_state.HadException()) |
| return nullptr; |
| |
| if (audio.IsNull() && video.IsNull()) { |
| error_state.ThrowTypeError( |
| "At least one of audio and video must be requested"); |
| return nullptr; |
| } |
| |
| if (!audio.IsNull()) |
| CountAudioConstraintUses(context, audio); |
| if (!video.IsNull()) |
| CountVideoConstraintUses(context, video); |
| |
| return new UserMediaRequest(context, controller, audio, video, callbacks); |
| } |
| |
| UserMediaRequest* UserMediaRequest::Create( |
| ExecutionContext* context, |
| UserMediaController* controller, |
| const MediaStreamConstraints& options, |
| V8NavigatorUserMediaSuccessCallback* success_callback, |
| V8NavigatorUserMediaErrorCallback* error_callback, |
| MediaErrorState& error_state) { |
| return Create(context, controller, options, |
| V8Callbacks::Create(success_callback, error_callback), |
| error_state); |
| } |
| |
| UserMediaRequest* UserMediaRequest::CreateForTesting( |
| const WebMediaConstraints& audio, |
| const WebMediaConstraints& video) { |
| return new UserMediaRequest(nullptr, nullptr, audio, video, nullptr); |
| } |
| |
| UserMediaRequest::UserMediaRequest(ExecutionContext* context, |
| UserMediaController* controller, |
| WebMediaConstraints audio, |
| WebMediaConstraints video, |
| Callbacks* callbacks) |
| : ContextLifecycleObserver(context), |
| audio_(audio), |
| video_(video), |
| should_disable_hardware_noise_suppression_( |
| OriginTrials::disableHardwareNoiseSuppressionEnabled(context)), |
| controller_(controller), |
| callbacks_(callbacks) { |
| if (should_disable_hardware_noise_suppression_) { |
| UseCounter::Count(context, |
| WebFeature::kUserMediaDisableHardwareNoiseSuppression); |
| } |
| } |
| |
| UserMediaRequest::~UserMediaRequest() = default; |
| |
| bool UserMediaRequest::Audio() const { |
| return !audio_.IsNull(); |
| } |
| |
| bool UserMediaRequest::Video() const { |
| return !video_.IsNull(); |
| } |
| |
| WebMediaConstraints UserMediaRequest::AudioConstraints() const { |
| return audio_; |
| } |
| |
| WebMediaConstraints UserMediaRequest::VideoConstraints() const { |
| return video_; |
| } |
| |
| bool UserMediaRequest::ShouldDisableHardwareNoiseSuppression() const { |
| return should_disable_hardware_noise_suppression_; |
| } |
| |
| bool UserMediaRequest::IsSecureContextUse(String& error_message) { |
| Document* document = OwnerDocument(); |
| |
| if (document->IsSecureContext(error_message)) { |
| UseCounter::Count(document->GetFrame(), |
| WebFeature::kGetUserMediaSecureOrigin); |
| UseCounter::CountCrossOriginIframe( |
| *document, WebFeature::kGetUserMediaSecureOriginIframe); |
| |
| // Feature policy deprecation messages. |
| if (Audio()) { |
| if (RuntimeEnabledFeatures::FeaturePolicyForPermissionsEnabled()) { |
| if (!document->GetFrame()->IsFeatureEnabled( |
| mojom::FeaturePolicyFeature::kMicrophone)) { |
| UseCounter::Count( |
| document, WebFeature::kMicrophoneDisabledByFeaturePolicyEstimate); |
| } |
| } else { |
| Deprecation::CountDeprecationFeaturePolicy( |
| *document, mojom::FeaturePolicyFeature::kMicrophone); |
| } |
| } |
| if (Video()) { |
| if (RuntimeEnabledFeatures::FeaturePolicyForPermissionsEnabled()) { |
| if (!document->GetFrame()->IsFeatureEnabled( |
| mojom::FeaturePolicyFeature::kCamera)) { |
| UseCounter::Count(document, |
| WebFeature::kCameraDisabledByFeaturePolicyEstimate); |
| } |
| } else { |
| Deprecation::CountDeprecationFeaturePolicy( |
| *document, mojom::FeaturePolicyFeature::kCamera); |
| } |
| } |
| |
| HostsUsingFeatures::CountAnyWorld( |
| *document, HostsUsingFeatures::Feature::kGetUserMediaSecureHost); |
| return true; |
| } |
| |
| // While getUserMedia is blocked on insecure origins, we still want to |
| // count attempts to use it. |
| Deprecation::CountDeprecation(document->GetFrame(), |
| WebFeature::kGetUserMediaInsecureOrigin); |
| Deprecation::CountDeprecationCrossOriginIframe( |
| *document, WebFeature::kGetUserMediaInsecureOriginIframe); |
| HostsUsingFeatures::CountAnyWorld( |
| *document, HostsUsingFeatures::Feature::kGetUserMediaInsecureHost); |
| return false; |
| } |
| |
| Document* UserMediaRequest::OwnerDocument() { |
| if (ExecutionContext* context = GetExecutionContext()) { |
| return ToDocument(context); |
| } |
| |
| return nullptr; |
| } |
| |
| void UserMediaRequest::Start() { |
| if (controller_) |
| controller_->RequestUserMedia(this); |
| } |
| |
| void UserMediaRequest::Succeed(MediaStreamDescriptor* stream_descriptor) { |
| if (!GetExecutionContext()) |
| return; |
| |
| MediaStream* stream = |
| MediaStream::Create(GetExecutionContext(), stream_descriptor); |
| |
| MediaStreamTrackVector audio_tracks = stream->getAudioTracks(); |
| for (MediaStreamTrackVector::iterator iter = audio_tracks.begin(); |
| iter != audio_tracks.end(); ++iter) { |
| (*iter)->Component()->Source()->SetConstraints(audio_); |
| (*iter)->SetConstraints(audio_); |
| } |
| |
| MediaStreamTrackVector video_tracks = stream->getVideoTracks(); |
| for (MediaStreamTrackVector::iterator iter = video_tracks.begin(); |
| iter != video_tracks.end(); ++iter) { |
| (*iter)->Component()->Source()->SetConstraints(video_); |
| (*iter)->SetConstraints(video_); |
| } |
| |
| callbacks_->OnSuccess(nullptr, stream); |
| } |
| |
| void UserMediaRequest::FailConstraint(const String& constraint_name, |
| const String& message) { |
| DCHECK(!constraint_name.IsEmpty()); |
| if (!GetExecutionContext()) |
| return; |
| callbacks_->OnError( |
| nullptr, DOMExceptionOrOverconstrainedError::FromOverconstrainedError( |
| OverconstrainedError::Create(constraint_name, message))); |
| } |
| |
| void UserMediaRequest::Fail(WebUserMediaRequest::Error name, |
| const String& message) { |
| if (!GetExecutionContext()) |
| return; |
| |
| ExceptionCode ec = kNotSupportedError; |
| switch (name) { |
| case WebUserMediaRequest::Error::kPermissionDenied: |
| case WebUserMediaRequest::Error::kPermissionDismissed: |
| case WebUserMediaRequest::Error::kInvalidState: |
| case WebUserMediaRequest::Error::kFailedDueToShutdown: |
| case WebUserMediaRequest::Error::kKillSwitchOn: |
| ec = kNotAllowedError; |
| break; |
| case WebUserMediaRequest::Error::kDevicesNotFound: |
| ec = kNotFoundError; |
| break; |
| case WebUserMediaRequest::Error::kTabCapture: |
| case WebUserMediaRequest::Error::kScreenCapture: |
| case WebUserMediaRequest::Error::kCapture: |
| ec = kAbortError; |
| break; |
| case WebUserMediaRequest::Error::kTrackStart: |
| ec = kNotReadableError; |
| break; |
| case WebUserMediaRequest::Error::kNotSupported: |
| ec = kNotSupportedError; |
| break; |
| case WebUserMediaRequest::Error::kSecurityError: |
| ec = kSecurityError; |
| break; |
| default: |
| NOTREACHED(); |
| } |
| callbacks_->OnError(nullptr, |
| DOMExceptionOrOverconstrainedError::FromDOMException( |
| DOMException::Create(ec, message))); |
| } |
| |
| void UserMediaRequest::ContextDestroyed(ExecutionContext*) { |
| if (controller_) { |
| controller_->CancelUserMediaRequest(this); |
| controller_ = nullptr; |
| } |
| } |
| |
| void UserMediaRequest::Trace(blink::Visitor* visitor) { |
| visitor->Trace(controller_); |
| visitor->Trace(callbacks_); |
| ContextLifecycleObserver::Trace(visitor); |
| } |
| |
| } // namespace blink |
