gecko-dev/dom/camera/DOMCameraCapabilities.cpp

614 lines
16 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "DOMCameraCapabilities.h"
#include "nsPIDOMWindow.h"
#include "nsContentUtils.h"
#include "nsProxyRelease.h"
#include "mozilla/dom/CameraManagerBinding.h"
#include "mozilla/dom/CameraCapabilitiesBinding.h"
#include "Navigator.h"
#include "CameraCommon.h"
#include "ICameraControl.h"
#include "CameraControlListener.h"
namespace mozilla {
namespace dom {
/**
* CameraClosedListenerProxy and CameraClosedMessage
*/
template<class T>
class CameraClosedMessage : public nsRunnable
{
public:
explicit CameraClosedMessage(nsMainThreadPtrHandle<T> aListener)
: mListener(aListener)
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
}
NS_IMETHODIMP
Run() override
{
MOZ_ASSERT(NS_IsMainThread());
nsRefPtr<T> listener = mListener.get();
if (listener) {
listener->OnHardwareClosed();
}
return NS_OK;
}
protected:
virtual ~CameraClosedMessage()
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
}
nsMainThreadPtrHandle<T> mListener;
};
template<class T>
class CameraClosedListenerProxy : public CameraControlListener
{
public:
explicit CameraClosedListenerProxy(T* aListener)
: mListener(new nsMainThreadPtrHolder<T>(aListener))
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
}
virtual void
OnHardwareStateChange(HardwareState aState, nsresult aReason) override
{
if (aState != kHardwareClosed) {
return;
}
NS_DispatchToMainThread(new CameraClosedMessage<T>(mListener));
}
protected:
virtual ~CameraClosedListenerProxy()
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
}
nsMainThreadPtrHandle<T> mListener;
};
/**
* CameraRecorderVideoProfile
*/
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(CameraRecorderVideoProfile, mParent)
NS_IMPL_CYCLE_COLLECTING_ADDREF(CameraRecorderVideoProfile)
NS_IMPL_CYCLE_COLLECTING_RELEASE(CameraRecorderVideoProfile)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CameraRecorderVideoProfile)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
JSObject*
CameraRecorderVideoProfile::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return CameraRecorderVideoProfileBinding::Wrap(aCx, this, aGivenProto);
}
CameraRecorderVideoProfile::CameraRecorderVideoProfile(nsISupports* aParent,
const ICameraControl::RecorderProfile::Video& aProfile)
: mParent(aParent)
, mCodec(aProfile.GetCodec())
, mBitrate(aProfile.GetBitsPerSecond())
, mFramerate(aProfile.GetFramesPerSecond())
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
mSize.mWidth = aProfile.GetSize().width;
mSize.mHeight = aProfile.GetSize().height;
DOM_CAMERA_LOGI(" video: '%s' %ux%u bps=%u fps=%u\n",
NS_ConvertUTF16toUTF8(mCodec).get(), mSize.mWidth, mSize.mHeight, mBitrate, mFramerate);
}
CameraRecorderVideoProfile::~CameraRecorderVideoProfile()
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
}
/**
* CameraRecorderAudioProfile
*/
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(CameraRecorderAudioProfile, mParent)
NS_IMPL_CYCLE_COLLECTING_ADDREF(CameraRecorderAudioProfile)
NS_IMPL_CYCLE_COLLECTING_RELEASE(CameraRecorderAudioProfile)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CameraRecorderAudioProfile)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
JSObject*
CameraRecorderAudioProfile::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return CameraRecorderAudioProfileBinding::Wrap(aCx, this, aGivenProto);
}
CameraRecorderAudioProfile::CameraRecorderAudioProfile(nsISupports* aParent,
const ICameraControl::RecorderProfile::Audio& aProfile)
: mParent(aParent)
, mCodec(aProfile.GetCodec())
, mBitrate(aProfile.GetBitsPerSecond())
, mSamplerate(aProfile.GetSamplesPerSecond())
, mChannels(aProfile.GetChannels())
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
DOM_CAMERA_LOGI(" audio: '%s' bps=%u samples/s=%u channels=%u\n",
NS_ConvertUTF16toUTF8(mCodec).get(), mBitrate, mSamplerate, mChannels);
}
CameraRecorderAudioProfile::~CameraRecorderAudioProfile()
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
}
/**
* CameraRecorderProfile
*/
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(CameraRecorderProfile,
mParent,
mVideo,
mAudio)
NS_IMPL_CYCLE_COLLECTING_ADDREF(CameraRecorderProfile)
NS_IMPL_CYCLE_COLLECTING_RELEASE(CameraRecorderProfile)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CameraRecorderProfile)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
JSObject*
CameraRecorderProfile::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return CameraRecorderProfileBinding::Wrap(aCx, this, aGivenProto);
}
CameraRecorderProfile::CameraRecorderProfile(nsISupports* aParent,
const ICameraControl::RecorderProfile& aProfile)
: mParent(aParent)
, mName(aProfile.GetName())
, mContainerFormat(aProfile.GetContainer())
, mMimeType(aProfile.GetMimeType())
, mVideo(new CameraRecorderVideoProfile(this, aProfile.GetVideo()))
, mAudio(new CameraRecorderAudioProfile(this, aProfile.GetAudio()))
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
DOM_CAMERA_LOGI("profile: '%s' container=%s mime-type=%s\n",
NS_ConvertUTF16toUTF8(mName).get(),
NS_ConvertUTF16toUTF8(mContainerFormat).get(),
NS_ConvertUTF16toUTF8(mMimeType).get());
}
CameraRecorderProfile::~CameraRecorderProfile()
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
}
/**
* CameraRecorderProfiles
*/
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(CameraRecorderProfiles,
mParent,
mProfiles)
NS_IMPL_CYCLE_COLLECTING_ADDREF(CameraRecorderProfiles)
NS_IMPL_CYCLE_COLLECTING_RELEASE(CameraRecorderProfiles)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CameraRecorderProfiles)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
JSObject*
CameraRecorderProfiles::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return CameraRecorderProfilesBinding::Wrap(aCx, this, aGivenProto);
}
CameraRecorderProfiles::CameraRecorderProfiles(nsISupports* aParent,
ICameraControl* aCameraControl)
: mParent(aParent)
, mCameraControl(aCameraControl)
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
if (mCameraControl) {
mListener = new CameraClosedListenerProxy<CameraRecorderProfiles>(this);
mCameraControl->AddListener(mListener);
}
}
CameraRecorderProfiles::~CameraRecorderProfiles()
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
}
void
CameraRecorderProfiles::GetSupportedNames(unsigned aFlags, nsTArray<nsString>& aNames)
{
DOM_CAMERA_LOGT("%s:%d : this=%p, flags=0x%x\n",
__func__, __LINE__, this, aFlags);
if (!mCameraControl) {
aNames.Clear();
return;
}
nsresult rv = mCameraControl->GetRecorderProfiles(aNames);
if (NS_WARN_IF(NS_FAILED(rv))) {
aNames.Clear();
}
}
CameraRecorderProfile*
CameraRecorderProfiles::NamedGetter(const nsAString& aName, bool& aFound)
{
DOM_CAMERA_LOGT("%s:%d : this=%p, name='%s'\n", __func__, __LINE__, this,
NS_ConvertUTF16toUTF8(aName).get());
if (!mCameraControl) {
return nullptr;
}
CameraRecorderProfile* profile = mProfiles.GetWeak(aName, &aFound);
if (!aFound || !profile) {
nsRefPtr<ICameraControl::RecorderProfile> p = mCameraControl->GetProfileInfo(aName);
if (p) {
profile = new CameraRecorderProfile(this, *p);
mProfiles.Put(aName, profile);
aFound = true;
}
}
return profile;
}
bool
CameraRecorderProfiles::NameIsEnumerable(const nsAString& aName)
{
DOM_CAMERA_LOGT("%s:%d : this=%p, name='%s' (always returns true)\n",
__func__, __LINE__, this, NS_ConvertUTF16toUTF8(aName).get());
return true;
}
void
CameraRecorderProfiles::OnHardwareClosed()
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
MOZ_ASSERT(NS_IsMainThread());
if (mCameraControl) {
mCameraControl->RemoveListener(mListener);
mCameraControl = nullptr;
}
mListener = nullptr;
}
/**
* CameraCapabilities
*/
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(CameraCapabilities, mWindow)
NS_IMPL_CYCLE_COLLECTING_ADDREF(CameraCapabilities)
NS_IMPL_CYCLE_COLLECTING_RELEASE(CameraCapabilities)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CameraCapabilities)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
/* static */
bool
CameraCapabilities::HasSupport(JSContext* aCx, JSObject* aGlobal)
{
return Navigator::HasCameraSupport(aCx, aGlobal);
}
CameraCapabilities::CameraCapabilities(nsPIDOMWindow* aWindow,
ICameraControl* aCameraControl)
: mWindow(aWindow)
, mCameraControl(aCameraControl)
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
MOZ_COUNT_CTOR(CameraCapabilities);
if (mCameraControl) {
mListener = new CameraClosedListenerProxy<CameraCapabilities>(this);
mCameraControl->AddListener(mListener);
}
}
CameraCapabilities::~CameraCapabilities()
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
MOZ_COUNT_DTOR(CameraCapabilities);
}
void
CameraCapabilities::OnHardwareClosed()
{
DOM_CAMERA_LOGT("%s:%d : this=%p\n", __func__, __LINE__, this);
MOZ_ASSERT(NS_IsMainThread());
if (mCameraControl) {
mCameraControl->RemoveListener(mListener);
mCameraControl = nullptr;
}
mListener = nullptr;
}
JSObject*
CameraCapabilities::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return CameraCapabilitiesBinding::Wrap(aCx, this, aGivenProto);
}
#define LOG_IF_ERROR(rv, param) \
do { \
if (NS_FAILED(rv)) { \
DOM_CAMERA_LOGW("Error %x trying to get " #param "\n", \
(rv)); \
} \
} while(0)
nsresult
CameraCapabilities::TranslateToDictionary(uint32_t aKey, nsTArray<CameraSize>& aSizes)
{
if (NS_WARN_IF(!mCameraControl)) {
return NS_ERROR_NOT_AVAILABLE;
}
nsresult rv;
nsTArray<ICameraControl::Size> sizes;
rv = mCameraControl->Get(aKey, sizes);
if (NS_FAILED(rv)) {
return rv;
}
aSizes.Clear();
aSizes.SetCapacity(sizes.Length());
for (uint32_t i = 0; i < sizes.Length(); ++i) {
CameraSize* s = aSizes.AppendElement();
s->mWidth = sizes[i].width;
s->mHeight = sizes[i].height;
}
return NS_OK;
}
// The following attributes are tagged [Cached, Constant] in the WebIDL, so
// the framework will handle caching them for us.
void
CameraCapabilities::GetPreviewSizes(nsTArray<dom::CameraSize>& aRetVal)
{
nsresult rv = TranslateToDictionary(CAMERA_PARAM_SUPPORTED_PREVIEWSIZES, aRetVal);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_PREVIEWSIZES);
}
void
CameraCapabilities::GetPictureSizes(nsTArray<dom::CameraSize>& aRetVal)
{
nsresult rv = TranslateToDictionary(CAMERA_PARAM_SUPPORTED_PICTURESIZES, aRetVal);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_PICTURESIZES);
}
void
CameraCapabilities::GetThumbnailSizes(nsTArray<dom::CameraSize>& aRetVal)
{
nsresult rv = TranslateToDictionary(CAMERA_PARAM_SUPPORTED_JPEG_THUMBNAIL_SIZES, aRetVal);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_JPEG_THUMBNAIL_SIZES);
}
void
CameraCapabilities::GetVideoSizes(nsTArray<dom::CameraSize>& aRetVal)
{
nsresult rv = TranslateToDictionary(CAMERA_PARAM_SUPPORTED_VIDEOSIZES, aRetVal);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_VIDEOSIZES);
}
void
CameraCapabilities::GetFileFormats(nsTArray<nsString>& aRetVal)
{
if (NS_WARN_IF(!mCameraControl)) {
return;
}
nsresult rv = mCameraControl->Get(CAMERA_PARAM_SUPPORTED_PICTUREFORMATS, aRetVal);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_PICTUREFORMATS);
}
void
CameraCapabilities::GetWhiteBalanceModes(nsTArray<nsString>& aRetVal)
{
if (NS_WARN_IF(!mCameraControl)) {
return;
}
nsresult rv = mCameraControl->Get(CAMERA_PARAM_SUPPORTED_WHITEBALANCES, aRetVal);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_WHITEBALANCES);
}
void
CameraCapabilities::GetSceneModes(nsTArray<nsString>& aRetVal)
{
if (NS_WARN_IF(!mCameraControl)) {
return;
}
nsresult rv = mCameraControl->Get(CAMERA_PARAM_SUPPORTED_SCENEMODES, aRetVal);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_SCENEMODES);
}
void
CameraCapabilities::GetEffects(nsTArray<nsString>& aRetVal)
{
if (NS_WARN_IF(!mCameraControl)) {
return;
}
nsresult rv = mCameraControl->Get(CAMERA_PARAM_SUPPORTED_EFFECTS, aRetVal);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_EFFECTS);
}
void
CameraCapabilities::GetFlashModes(nsTArray<nsString>& aRetVal)
{
if (NS_WARN_IF(!mCameraControl)) {
return;
}
nsresult rv = mCameraControl->Get(CAMERA_PARAM_SUPPORTED_FLASHMODES, aRetVal);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_FLASHMODES);
}
void
CameraCapabilities::GetFocusModes(nsTArray<nsString>& aRetVal)
{
if (NS_WARN_IF(!mCameraControl)) {
return;
}
nsresult rv = mCameraControl->Get(CAMERA_PARAM_SUPPORTED_FOCUSMODES, aRetVal);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_FOCUSMODES);
}
void
CameraCapabilities::GetZoomRatios(nsTArray<double>& aRetVal)
{
if (NS_WARN_IF(!mCameraControl)) {
return;
}
nsresult rv = mCameraControl->Get(CAMERA_PARAM_SUPPORTED_ZOOMRATIOS, aRetVal);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_ZOOMRATIOS);
}
uint32_t
CameraCapabilities::MaxFocusAreas()
{
if (NS_WARN_IF(!mCameraControl)) {
return 0;
}
int32_t areas = 0;
nsresult rv = mCameraControl->Get(CAMERA_PARAM_SUPPORTED_MAXFOCUSAREAS, areas);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_MAXFOCUSAREAS);
return areas < 0 ? 0 : areas;
}
uint32_t
CameraCapabilities::MaxMeteringAreas()
{
if (NS_WARN_IF(!mCameraControl)) {
return 0;
}
int32_t areas = 0;
nsresult rv = mCameraControl->Get(CAMERA_PARAM_SUPPORTED_MAXMETERINGAREAS, areas);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_MAXMETERINGAREAS);
return areas < 0 ? 0 : areas;
}
uint32_t
CameraCapabilities::MaxDetectedFaces()
{
if (NS_WARN_IF(!mCameraControl)) {
return 0;
}
int32_t faces = 0;
nsresult rv = mCameraControl->Get(CAMERA_PARAM_SUPPORTED_MAXDETECTEDFACES, faces);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_MAXDETECTEDFACES);
return faces < 0 ? 0 : faces;
}
double
CameraCapabilities::MinExposureCompensation()
{
if (NS_WARN_IF(!mCameraControl)) {
return 0.0;
}
double minEv = 0.0;
nsresult rv = mCameraControl->Get(CAMERA_PARAM_SUPPORTED_MINEXPOSURECOMPENSATION, minEv);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_MINEXPOSURECOMPENSATION);
return minEv;
}
double
CameraCapabilities::MaxExposureCompensation()
{
if (NS_WARN_IF(!mCameraControl)) {
return 0.0;
}
double maxEv = 0.0;
nsresult rv = mCameraControl->Get(CAMERA_PARAM_SUPPORTED_MAXEXPOSURECOMPENSATION, maxEv);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_MAXEXPOSURECOMPENSATION);
return maxEv;
}
double
CameraCapabilities::ExposureCompensationStep()
{
if (NS_WARN_IF(!mCameraControl)) {
return 0.0;
}
double evStep = 0.0;
nsresult rv = mCameraControl->Get(CAMERA_PARAM_SUPPORTED_EXPOSURECOMPENSATIONSTEP, evStep);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_EXPOSURECOMPENSATIONSTEP);
return evStep;
}
CameraRecorderProfiles*
CameraCapabilities::RecorderProfiles()
{
if (NS_WARN_IF(!mCameraControl)) {
return nullptr;
}
nsRefPtr<CameraRecorderProfiles> profiles =
new CameraRecorderProfiles(this, mCameraControl);
return profiles;
}
void
CameraCapabilities::GetIsoModes(nsTArray<nsString>& aRetVal)
{
if (NS_WARN_IF(!mCameraControl)) {
return;
}
nsresult rv = mCameraControl->Get(CAMERA_PARAM_SUPPORTED_ISOMODES, aRetVal);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_ISOMODES);
}
void
CameraCapabilities::GetMeteringModes(nsTArray<nsString>& aRetVal)
{
if (NS_WARN_IF(!mCameraControl)) {
return;
}
nsresult rv = mCameraControl->Get(CAMERA_PARAM_SUPPORTED_METERINGMODES, aRetVal);
LOG_IF_ERROR(rv, CAMERA_PARAM_SUPPORTED_METERINGMODES);
}
} // namespace dom
} // namespace mozilla