| /* |
| * 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 "third_party/blink/renderer/modules/mediastream/user_media_request.h" |
| |
| #include <type_traits> |
| |
| #include "base/macros.h" |
| #include "base/strings/stringprintf.h" |
| #include "third_party/blink/public/common/privacy_budget/identifiability_metric_builder.h" |
| #include "third_party/blink/public/mojom/permissions_policy/permissions_policy.mojom-blink.h" |
| #include "third_party/blink/public/platform/modules/webrtc/webrtc_logging.h" |
| #include "third_party/blink/renderer/bindings/core/v8/dictionary.h" |
| #include "third_party/blink/renderer/bindings/modules/v8/v8_media_stream_constraints.h" |
| #include "third_party/blink/renderer/bindings/modules/v8/v8_media_track_constraints.h" |
| #include "third_party/blink/renderer/bindings/modules/v8/v8_union_boolean_mediatrackconstraints.h" |
| #include "third_party/blink/renderer/bindings/modules/v8/v8_union_domexception_overconstrainederror.h" |
| #include "third_party/blink/renderer/core/dom/dom_exception.h" |
| #include "third_party/blink/renderer/core/dom/space_split_string.h" |
| #include "third_party/blink/renderer/core/frame/deprecation.h" |
| #include "third_party/blink/renderer/core/frame/local_dom_window.h" |
| #include "third_party/blink/renderer/modules/mediastream/identifiability_metrics.h" |
| #include "third_party/blink/renderer/modules/mediastream/media_constraints_impl.h" |
| #include "third_party/blink/renderer/modules/mediastream/media_error_state.h" |
| #include "third_party/blink/renderer/modules/mediastream/media_stream.h" |
| #include "third_party/blink/renderer/modules/mediastream/overconstrained_error.h" |
| #include "third_party/blink/renderer/modules/mediastream/user_media_controller.h" |
| #include "third_party/blink/renderer/platform/bindings/exception_state.h" |
| #include "third_party/blink/renderer/platform/heap/heap.h" |
| #include "third_party/blink/renderer/platform/mediastream/media_stream_descriptor.h" |
| #include "third_party/blink/renderer/platform/privacy_budget/identifiability_digest_helpers.h" |
| #include "third_party/blink/renderer/platform/runtime_enabled_features.h" |
| |
| namespace blink { |
| |
| namespace { |
| |
| template <typename NumericConstraint> |
| bool SetUsesNumericConstraint( |
| const MediaTrackConstraintSetPlatform& set, |
| NumericConstraint MediaTrackConstraintSetPlatform::*field) { |
| return (set.*field).HasExact() || (set.*field).HasIdeal() || |
| (set.*field).HasMin() || (set.*field).HasMax(); |
| } |
| |
| template <typename DiscreteConstraint> |
| bool SetUsesDiscreteConstraint( |
| const MediaTrackConstraintSetPlatform& set, |
| DiscreteConstraint MediaTrackConstraintSetPlatform::*field) { |
| return (set.*field).HasExact() || (set.*field).HasIdeal(); |
| } |
| |
| template <typename NumericConstraint> |
| bool RequestUsesNumericConstraint( |
| const MediaConstraints& constraints, |
| NumericConstraint MediaTrackConstraintSetPlatform::*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 MediaConstraints& constraints, |
| DiscreteConstraint MediaTrackConstraintSetPlatform::*field) { |
| static_assert( |
| std::is_same< |
| decltype(field), |
| StringConstraint MediaTrackConstraintSetPlatform::*>::value || |
| std::is_same< |
| decltype(field), |
| BooleanConstraint MediaTrackConstraintSetPlatform::*>::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 { |
| public: |
| explicit 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_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FeatureCounter); |
| }; |
| |
| void CountAudioConstraintUses(ExecutionContext* context, |
| const MediaConstraints& constraints) { |
| FeatureCounter counter(context); |
| if (RequestUsesNumericConstraint( |
| constraints, &MediaTrackConstraintSetPlatform::sample_rate)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsSampleRate); |
| } |
| if (RequestUsesNumericConstraint( |
| constraints, &MediaTrackConstraintSetPlatform::sample_size)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsSampleSize); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &MediaTrackConstraintSetPlatform::echo_cancellation)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsEchoCancellation); |
| } |
| if (RequestUsesNumericConstraint(constraints, |
| &MediaTrackConstraintSetPlatform::latency)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsLatency); |
| } |
| if (RequestUsesNumericConstraint( |
| constraints, &MediaTrackConstraintSetPlatform::channel_count)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsChannelCount); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &MediaTrackConstraintSetPlatform::device_id)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsDeviceIdAudio); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &MediaTrackConstraintSetPlatform::disable_local_echo)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsDisableLocalEcho); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &MediaTrackConstraintSetPlatform::group_id)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGroupIdAudio); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &MediaTrackConstraintSetPlatform::media_stream_source)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsMediaStreamSourceAudio); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, |
| &MediaTrackConstraintSetPlatform::render_to_associated_sink)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsRenderToAssociatedSink); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, |
| &MediaTrackConstraintSetPlatform::goog_echo_cancellation)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogEchoCancellation); |
| } |
| if (RequestUsesDiscreteConstraint(constraints, |
| &MediaTrackConstraintSetPlatform:: |
| goog_experimental_echo_cancellation)) { |
| counter.Count( |
| WebFeature::kMediaStreamConstraintsGoogExperimentalEchoCancellation); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, |
| &MediaTrackConstraintSetPlatform::goog_auto_gain_control)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogAutoGainControl); |
| } |
| if (RequestUsesDiscreteConstraint(constraints, |
| &MediaTrackConstraintSetPlatform:: |
| goog_experimental_auto_gain_control)) { |
| counter.Count( |
| WebFeature::kMediaStreamConstraintsGoogExperimentalAutoGainControl); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, |
| &MediaTrackConstraintSetPlatform::goog_noise_suppression)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogNoiseSuppression); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, |
| &MediaTrackConstraintSetPlatform::goog_highpass_filter)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogHighpassFilter); |
| } |
| if (RequestUsesDiscreteConstraint(constraints, |
| &MediaTrackConstraintSetPlatform:: |
| goog_experimental_noise_suppression)) { |
| counter.Count( |
| WebFeature::kMediaStreamConstraintsGoogExperimentalNoiseSuppression); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, |
| &MediaTrackConstraintSetPlatform::goog_audio_mirroring)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogAudioMirroring); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, |
| &MediaTrackConstraintSetPlatform::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 MediaConstraints& constraints) { |
| FeatureCounter counter(context); |
| if (RequestUsesNumericConstraint(constraints, |
| &MediaTrackConstraintSetPlatform::width)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsWidth); |
| } |
| if (RequestUsesNumericConstraint(constraints, |
| &MediaTrackConstraintSetPlatform::height)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsHeight); |
| } |
| if (RequestUsesNumericConstraint( |
| constraints, &MediaTrackConstraintSetPlatform::aspect_ratio)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsAspectRatio); |
| } |
| if (RequestUsesNumericConstraint( |
| constraints, &MediaTrackConstraintSetPlatform::frame_rate)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsFrameRate); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &MediaTrackConstraintSetPlatform::facing_mode)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsFacingMode); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &MediaTrackConstraintSetPlatform::device_id)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsDeviceIdVideo); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &MediaTrackConstraintSetPlatform::group_id)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGroupIdVideo); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &MediaTrackConstraintSetPlatform::video_kind)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsVideoKind); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, &MediaTrackConstraintSetPlatform::media_stream_source)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsMediaStreamSourceVideo); |
| } |
| if (RequestUsesDiscreteConstraint( |
| constraints, |
| &MediaTrackConstraintSetPlatform::goog_noise_reduction)) { |
| counter.Count(WebFeature::kMediaStreamConstraintsGoogNoiseReduction); |
| } |
| |
| UseCounter::Count(context, WebFeature::kMediaStreamConstraintsVideo); |
| if (counter.IsUnconstrained()) { |
| UseCounter::Count(context, |
| WebFeature::kMediaStreamConstraintsVideoUnconstrained); |
| } |
| } |
| |
| MediaConstraints ParseOptions( |
| ExecutionContext* execution_context, |
| const V8UnionBooleanOrMediaTrackConstraints* options, |
| MediaErrorState& error_state) { |
| if (!options) |
| return MediaConstraints(); |
| switch (options->GetContentType()) { |
| case V8UnionBooleanOrMediaTrackConstraints::ContentType::kBoolean: |
| if (options->GetAsBoolean()) |
| return media_constraints_impl::Create(); |
| else |
| return MediaConstraints(); |
| case V8UnionBooleanOrMediaTrackConstraints::ContentType:: |
| kMediaTrackConstraints: |
| return media_constraints_impl::Create( |
| execution_context, options->GetAsMediaTrackConstraints(), |
| error_state); |
| } |
| NOTREACHED(); |
| return MediaConstraints(); |
| } |
| |
| } // namespace |
| |
| class UserMediaRequest::V8Callbacks final : public UserMediaRequest::Callbacks { |
| public: |
| V8Callbacks(V8NavigatorUserMediaSuccessCallback* success_callback, |
| V8NavigatorUserMediaErrorCallback* error_callback) |
| : success_callback_(success_callback), error_callback_(error_callback) {} |
| ~V8Callbacks() override = default; |
| |
| void Trace(Visitor* visitor) const override { |
| visitor->Trace(success_callback_); |
| visitor->Trace(error_callback_); |
| UserMediaRequest::Callbacks::Trace(visitor); |
| } |
| |
| void OnSuccess(ScriptWrappable* callback_this_value, |
| MediaStream* stream) override { |
| success_callback_->InvokeAndReportException(callback_this_value, stream); |
| } |
| void OnError(ScriptWrappable* callback_this_value, |
| const V8MediaStreamError* error) override { |
| error_callback_->InvokeAndReportException(callback_this_value, error); |
| } |
| |
| private: |
| Member<V8NavigatorUserMediaSuccessCallback> success_callback_; |
| Member<V8NavigatorUserMediaErrorCallback> error_callback_; |
| }; |
| |
| UserMediaRequest* UserMediaRequest::Create( |
| ExecutionContext* context, |
| UserMediaController* controller, |
| UserMediaRequest::MediaType media_type, |
| const MediaStreamConstraints* options, |
| Callbacks* callbacks, |
| MediaErrorState& error_state, |
| IdentifiableSurface surface) { |
| MediaConstraints audio = ParseOptions(context, options->audio(), error_state); |
| if (error_state.HadException()) |
| return nullptr; |
| |
| MediaConstraints video = ParseOptions(context, options->video(), error_state); |
| if (error_state.HadException()) |
| return nullptr; |
| |
| if (media_type == UserMediaRequest::MediaType::kUserMedia && |
| !video.IsNull()) { |
| if (video.Basic().pan.HasMandatory()) { |
| error_state.ThrowTypeError("Mandatory pan constraint is not supported"); |
| return nullptr; |
| } |
| if (video.Basic().tilt.HasMandatory()) { |
| error_state.ThrowTypeError("Mandatory tilt constraint is not supported"); |
| return nullptr; |
| } |
| if (video.Basic().zoom.HasMandatory()) { |
| error_state.ThrowTypeError("Mandatory zoom constraint is not supported"); |
| return nullptr; |
| } |
| } else if (media_type == UserMediaRequest::MediaType::kDisplayMedia || |
| media_type == |
| UserMediaRequest::MediaType::kGetCurrentBrowsingContextMedia) { |
| // https://w3c.github.io/mediacapture-screen-share/#mediadevices-additions |
| // MediaDevices Additions |
| // The user agent MUST reject audio-only requests. |
| // 1. Let constraints be the method's first argument. |
| // 2. For each member present in constraints whose value, value, is a |
| // dictionary, run the following steps: |
| // 1. If value contains a member named advanced, return a promise rejected |
| // with a newly created TypeError. |
| // 2. If value contains a member which in turn is a dictionary containing |
| // a member named either min or exact, return a promise rejected with a |
| // newly created TypeError. |
| // 3. Let requestedMediaTypes be the set of media types in constraints with |
| // either a dictionary value or a value of true. |
| // 4. If requestedMediaTypes is the empty set, set requestedMediaTypes to a |
| // set containing "video". |
| if ((!audio.IsNull() && !audio.Advanced().IsEmpty()) || |
| (!video.IsNull() && !video.Advanced().IsEmpty())) { |
| error_state.ThrowTypeError("Advanced constraints are not supported"); |
| return nullptr; |
| } |
| if ((!audio.IsNull() && audio.Basic().HasMin()) || |
| (!video.IsNull() && video.Basic().HasMin())) { |
| error_state.ThrowTypeError("min constraints are not supported"); |
| return nullptr; |
| } |
| if ((!audio.IsNull() && audio.Basic().HasExact()) || |
| (!video.IsNull() && video.Basic().HasExact())) { |
| error_state.ThrowTypeError("exact constraints are not supported"); |
| return nullptr; |
| } |
| if (!audio.IsNull() && video.IsNull()) { |
| error_state.ThrowTypeError("Audio only requests are not supported"); |
| return nullptr; |
| } |
| if (audio.IsNull() && video.IsNull()) { |
| video = ParseOptions( |
| context, |
| MakeGarbageCollected<V8UnionBooleanOrMediaTrackConstraints>(true), |
| 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 MakeGarbageCollected<UserMediaRequest>( |
| context, controller, media_type, audio, video, callbacks, surface); |
| } |
| |
| UserMediaRequest* UserMediaRequest::Create( |
| ExecutionContext* context, |
| UserMediaController* controller, |
| const MediaStreamConstraints* options, |
| V8NavigatorUserMediaSuccessCallback* success_callback, |
| V8NavigatorUserMediaErrorCallback* error_callback, |
| MediaErrorState& error_state, |
| IdentifiableSurface surface) { |
| return Create( |
| context, controller, UserMediaRequest::MediaType::kUserMedia, options, |
| MakeGarbageCollected<V8Callbacks>(success_callback, error_callback), |
| error_state, surface); |
| } |
| |
| UserMediaRequest* UserMediaRequest::CreateForTesting( |
| const MediaConstraints& audio, |
| const MediaConstraints& video) { |
| return MakeGarbageCollected<UserMediaRequest>( |
| nullptr, nullptr, UserMediaRequest::MediaType::kUserMedia, audio, video, |
| nullptr, IdentifiableSurface()); |
| } |
| |
| UserMediaRequest::UserMediaRequest(ExecutionContext* context, |
| UserMediaController* controller, |
| UserMediaRequest::MediaType media_type, |
| MediaConstraints audio, |
| MediaConstraints video, |
| Callbacks* callbacks, |
| IdentifiableSurface surface) |
| : ExecutionContextLifecycleObserver(context), |
| media_type_(media_type), |
| audio_(audio), |
| video_(video), |
| should_disable_hardware_noise_suppression_( |
| RuntimeEnabledFeatures::DisableHardwareNoiseSuppressionEnabled( |
| context)), |
| controller_(controller), |
| callbacks_(callbacks), |
| surface_(surface) { |
| if (should_disable_hardware_noise_suppression_) { |
| UseCounter::Count(context, |
| WebFeature::kUserMediaDisableHardwareNoiseSuppression); |
| } |
| } |
| |
| UserMediaRequest::~UserMediaRequest() = default; |
| |
| UserMediaRequest::MediaType UserMediaRequest::MediaRequestType() const { |
| return media_type_; |
| } |
| |
| bool UserMediaRequest::Audio() const { |
| return !audio_.IsNull(); |
| } |
| |
| bool UserMediaRequest::Video() const { |
| return !video_.IsNull(); |
| } |
| |
| MediaConstraints UserMediaRequest::AudioConstraints() const { |
| return audio_; |
| } |
| |
| MediaConstraints UserMediaRequest::VideoConstraints() const { |
| return video_; |
| } |
| |
| bool UserMediaRequest::ShouldDisableHardwareNoiseSuppression() const { |
| return should_disable_hardware_noise_suppression_; |
| } |
| |
| bool UserMediaRequest::IsSecureContextUse(String& error_message) { |
| LocalDOMWindow* window = GetWindow(); |
| |
| if (window->IsSecureContext(error_message)) { |
| UseCounter::Count(window, WebFeature::kGetUserMediaSecureOrigin); |
| window->CountUseOnlyInCrossOriginIframe( |
| WebFeature::kGetUserMediaSecureOriginIframe); |
| |
| // Permissions policy deprecation messages. |
| if (Audio()) { |
| if (!window->IsFeatureEnabled( |
| mojom::blink::PermissionsPolicyFeature::kMicrophone, |
| ReportOptions::kReportOnFailure)) { |
| UseCounter::Count( |
| window, WebFeature::kMicrophoneDisabledByFeaturePolicyEstimate); |
| } |
| } |
| if (Video()) { |
| if (!window->IsFeatureEnabled( |
| mojom::blink::PermissionsPolicyFeature::kCamera, |
| ReportOptions::kReportOnFailure)) { |
| UseCounter::Count(window, |
| WebFeature::kCameraDisabledByFeaturePolicyEstimate); |
| } |
| } |
| |
| return true; |
| } |
| |
| // While getUserMedia is blocked on insecure origins, we still want to |
| // count attempts to use it. |
| Deprecation::CountDeprecation(window, |
| WebFeature::kGetUserMediaInsecureOrigin); |
| Deprecation::CountDeprecationCrossOriginIframe( |
| window, WebFeature::kGetUserMediaInsecureOriginIframe); |
| return false; |
| } |
| |
| LocalDOMWindow* UserMediaRequest::GetWindow() { |
| return To<LocalDOMWindow>(GetExecutionContext()); |
| } |
| |
| void UserMediaRequest::Start() { |
| if (controller_) |
| controller_->RequestUserMedia(this); |
| } |
| |
| void UserMediaRequest::Succeed(MediaStreamDescriptor* stream_descriptor) { |
| DCHECK(!is_resolved_); |
| if (!GetExecutionContext()) |
| return; |
| |
| MediaStream::Create(GetExecutionContext(), stream_descriptor, |
| WTF::Bind(&UserMediaRequest::OnMediaStreamInitialized, |
| WrapPersistent(this))); |
| } |
| |
| void UserMediaRequest::OnMediaStreamInitialized(MediaStream* stream) { |
| DCHECK(!is_resolved_); |
| |
| MediaStreamTrackVector audio_tracks = stream->getAudioTracks(); |
| for (const auto& audio_track : audio_tracks) |
| audio_track->SetConstraints(audio_); |
| |
| MediaStreamTrackVector video_tracks = stream->getVideoTracks(); |
| for (const auto& video_track : video_tracks) |
| video_track->SetConstraints(video_); |
| |
| RecordIdentifiabilityMetric(surface_, GetExecutionContext(), |
| IdentifiabilityBenignStringToken(g_empty_string)); |
| // After this call, the execution context may be invalid. |
| callbacks_->OnSuccess(nullptr, stream); |
| is_resolved_ = true; |
| } |
| |
| void UserMediaRequest::FailConstraint(const String& constraint_name, |
| const String& message) { |
| DCHECK(!constraint_name.IsEmpty()); |
| DCHECK(!is_resolved_); |
| if (!GetExecutionContext()) |
| return; |
| RecordIdentifiabilityMetric(surface_, GetExecutionContext(), |
| IdentifiabilityBenignStringToken(message)); |
| // After this call, the execution context may be invalid. |
| callbacks_->OnError( |
| nullptr, MakeGarbageCollected<V8MediaStreamError>( |
| OverconstrainedError::Create(constraint_name, message))); |
| is_resolved_ = true; |
| } |
| |
| void UserMediaRequest::Fail(Error name, const String& message) { |
| DCHECK(!is_resolved_); |
| if (!GetExecutionContext()) |
| return; |
| |
| DOMExceptionCode exception_code = DOMExceptionCode::kNotSupportedError; |
| switch (name) { |
| case Error::kPermissionDenied: |
| case Error::kPermissionDismissed: |
| case Error::kInvalidState: |
| case Error::kFailedDueToShutdown: |
| case Error::kKillSwitchOn: |
| case Error::kSystemPermissionDenied: |
| exception_code = DOMExceptionCode::kNotAllowedError; |
| break; |
| case Error::kDevicesNotFound: |
| exception_code = DOMExceptionCode::kNotFoundError; |
| break; |
| case Error::kTabCapture: |
| case Error::kScreenCapture: |
| case Error::kCapture: |
| exception_code = DOMExceptionCode::kAbortError; |
| break; |
| case Error::kTrackStart: |
| case Error::kDeviceInUse: |
| exception_code = DOMExceptionCode::kNotReadableError; |
| break; |
| case Error::kNotSupported: |
| exception_code = DOMExceptionCode::kNotSupportedError; |
| break; |
| case Error::kSecurityError: |
| exception_code = DOMExceptionCode::kSecurityError; |
| break; |
| default: |
| NOTREACHED(); |
| } |
| RecordIdentifiabilityMetric(surface_, GetExecutionContext(), |
| IdentifiabilityBenignStringToken(message)); |
| // After this call, the execution context may be invalid. |
| callbacks_->OnError(nullptr, MakeGarbageCollected<V8MediaStreamError>( |
| MakeGarbageCollected<DOMException>( |
| exception_code, message))); |
| is_resolved_ = true; |
| } |
| |
| void UserMediaRequest::ContextDestroyed() { |
| if (!is_resolved_) |
| blink::WebRtcLogMessage("UMR::ContextDestroyed. Request not resolved."); |
| if (controller_) { |
| controller_->CancelUserMediaRequest(this); |
| if (!is_resolved_) { |
| blink::WebRtcLogMessage(base::StringPrintf( |
| "UMR::ContextDestroyed. Resolving unsolved request. " |
| "audio constraints=%s, video constraints=%s", |
| AudioConstraints().ToString().Utf8().c_str(), |
| VideoConstraints().ToString().Utf8().c_str())); |
| callbacks_->OnError(nullptr, MakeGarbageCollected<V8MediaStreamError>( |
| MakeGarbageCollected<DOMException>( |
| DOMExceptionCode::kAbortError, |
| "Context destroyed"))); |
| } |
| controller_ = nullptr; |
| } |
| } |
| |
| void UserMediaRequest::Trace(Visitor* visitor) const { |
| visitor->Trace(controller_); |
| visitor->Trace(callbacks_); |
| ExecutionContextLifecycleObserver::Trace(visitor); |
| } |
| |
| } // namespace blink |
