summaryrefslogtreecommitdiffstats
path: root/chromium/content/browser/device_orientation/data_fetcher_impl_android.cc
diff options
context:
space:
mode:
Diffstat (limited to 'chromium/content/browser/device_orientation/data_fetcher_impl_android.cc')
-rw-r--r--chromium/content/browser/device_orientation/data_fetcher_impl_android.cc274
1 files changed, 0 insertions, 274 deletions
diff --git a/chromium/content/browser/device_orientation/data_fetcher_impl_android.cc b/chromium/content/browser/device_orientation/data_fetcher_impl_android.cc
deleted file mode 100644
index c103029f62b..00000000000
--- a/chromium/content/browser/device_orientation/data_fetcher_impl_android.cc
+++ /dev/null
@@ -1,274 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "content/browser/device_orientation/data_fetcher_impl_android.h"
-
-#include <string.h>
-
-#include "base/android/jni_android.h"
-#include "base/memory/singleton.h"
-#include "base/metrics/histogram.h"
-#include "content/browser/device_orientation/inertial_sensor_consts.h"
-#include "jni/DeviceMotionAndOrientation_jni.h"
-
-using base::android::AttachCurrentThread;
-
-namespace {
-
-static void updateRotationVectorHistogram(bool value) {
- UMA_HISTOGRAM_BOOLEAN("InertialSensor.RotationVectorAndroidAvailable", value);
-}
-
-}
-
-namespace content {
-
-DataFetcherImplAndroid::DataFetcherImplAndroid()
- : number_active_device_motion_sensors_(0),
- device_motion_buffer_(NULL),
- device_orientation_buffer_(NULL),
- is_motion_buffer_ready_(false),
- is_orientation_buffer_ready_(false) {
- memset(received_motion_data_, 0, sizeof(received_motion_data_));
- device_orientation_.Reset(
- Java_DeviceMotionAndOrientation_getInstance(AttachCurrentThread()));
-}
-
-DataFetcherImplAndroid::~DataFetcherImplAndroid() {
-}
-
-bool DataFetcherImplAndroid::Register(JNIEnv* env) {
- return RegisterNativesImpl(env);
-}
-
-DataFetcherImplAndroid* DataFetcherImplAndroid::GetInstance() {
- return Singleton<DataFetcherImplAndroid,
- LeakySingletonTraits<DataFetcherImplAndroid> >::get();
-}
-
-void DataFetcherImplAndroid::GotOrientation(
- JNIEnv*, jobject, double alpha, double beta, double gamma) {
- base::AutoLock autolock(orientation_buffer_lock_);
-
- if (!device_orientation_buffer_)
- return;
-
- device_orientation_buffer_->seqlock.WriteBegin();
- device_orientation_buffer_->data.alpha = alpha;
- device_orientation_buffer_->data.hasAlpha = true;
- device_orientation_buffer_->data.beta = beta;
- device_orientation_buffer_->data.hasBeta = true;
- device_orientation_buffer_->data.gamma = gamma;
- device_orientation_buffer_->data.hasGamma = true;
- device_orientation_buffer_->seqlock.WriteEnd();
-
- if (!is_orientation_buffer_ready_) {
- SetOrientationBufferReadyStatus(true);
- updateRotationVectorHistogram(true);
- }
-}
-
-void DataFetcherImplAndroid::GotAcceleration(
- JNIEnv*, jobject, double x, double y, double z) {
- base::AutoLock autolock(motion_buffer_lock_);
-
- if (!device_motion_buffer_)
- return;
-
- device_motion_buffer_->seqlock.WriteBegin();
- device_motion_buffer_->data.accelerationX = x;
- device_motion_buffer_->data.hasAccelerationX = true;
- device_motion_buffer_->data.accelerationY = y;
- device_motion_buffer_->data.hasAccelerationY = true;
- device_motion_buffer_->data.accelerationZ = z;
- device_motion_buffer_->data.hasAccelerationZ = true;
- device_motion_buffer_->seqlock.WriteEnd();
-
- if (!is_motion_buffer_ready_) {
- received_motion_data_[RECEIVED_MOTION_DATA_ACCELERATION] = 1;
- CheckMotionBufferReadyToRead();
- }
-}
-
-void DataFetcherImplAndroid::GotAccelerationIncludingGravity(
- JNIEnv*, jobject, double x, double y, double z) {
- base::AutoLock autolock(motion_buffer_lock_);
-
- if (!device_motion_buffer_)
- return;
-
- device_motion_buffer_->seqlock.WriteBegin();
- device_motion_buffer_->data.accelerationIncludingGravityX = x;
- device_motion_buffer_->data.hasAccelerationIncludingGravityX = true;
- device_motion_buffer_->data.accelerationIncludingGravityY = y;
- device_motion_buffer_->data.hasAccelerationIncludingGravityY = true;
- device_motion_buffer_->data.accelerationIncludingGravityZ = z;
- device_motion_buffer_->data.hasAccelerationIncludingGravityZ = true;
- device_motion_buffer_->seqlock.WriteEnd();
-
- if (!is_motion_buffer_ready_) {
- received_motion_data_[RECEIVED_MOTION_DATA_ACCELERATION_INCL_GRAVITY] = 1;
- CheckMotionBufferReadyToRead();
- }
-}
-
-void DataFetcherImplAndroid::GotRotationRate(
- JNIEnv*, jobject, double alpha, double beta, double gamma) {
- base::AutoLock autolock(motion_buffer_lock_);
-
- if (!device_motion_buffer_)
- return;
-
- device_motion_buffer_->seqlock.WriteBegin();
- device_motion_buffer_->data.rotationRateAlpha = alpha;
- device_motion_buffer_->data.hasRotationRateAlpha = true;
- device_motion_buffer_->data.rotationRateBeta = beta;
- device_motion_buffer_->data.hasRotationRateBeta = true;
- device_motion_buffer_->data.rotationRateGamma = gamma;
- device_motion_buffer_->data.hasRotationRateGamma = true;
- device_motion_buffer_->seqlock.WriteEnd();
-
- if (!is_motion_buffer_ready_) {
- received_motion_data_[RECEIVED_MOTION_DATA_ROTATION_RATE] = 1;
- CheckMotionBufferReadyToRead();
- }
-}
-
-bool DataFetcherImplAndroid::Start(DeviceData::Type event_type) {
- DCHECK(!device_orientation_.is_null());
- return Java_DeviceMotionAndOrientation_start(
- AttachCurrentThread(), device_orientation_.obj(),
- reinterpret_cast<intptr_t>(this), static_cast<jint>(event_type),
- kInertialSensorIntervalMillis);
-}
-
-void DataFetcherImplAndroid::Stop(DeviceData::Type event_type) {
- DCHECK(!device_orientation_.is_null());
- Java_DeviceMotionAndOrientation_stop(
- AttachCurrentThread(), device_orientation_.obj(),
- static_cast<jint>(event_type));
-}
-
-int DataFetcherImplAndroid::GetNumberActiveDeviceMotionSensors() {
- DCHECK(!device_orientation_.is_null());
- return Java_DeviceMotionAndOrientation_getNumberActiveDeviceMotionSensors(
- AttachCurrentThread(), device_orientation_.obj());
-}
-
-
-// ----- Shared memory API methods
-
-// --- Device Motion
-
-bool DataFetcherImplAndroid::StartFetchingDeviceMotionData(
- DeviceMotionHardwareBuffer* buffer) {
- DCHECK(buffer);
- {
- base::AutoLock autolock(motion_buffer_lock_);
- device_motion_buffer_ = buffer;
- ClearInternalMotionBuffers();
- }
- bool success = Start(DeviceData::kTypeMotion);
-
- // If no motion data can ever be provided, the number of active device motion
- // sensors will be zero. In that case flag the shared memory buffer
- // as ready to read, as it will not change anyway.
- number_active_device_motion_sensors_ = GetNumberActiveDeviceMotionSensors();
- {
- base::AutoLock autolock(motion_buffer_lock_);
- CheckMotionBufferReadyToRead();
- }
- return success;
-}
-
-void DataFetcherImplAndroid::StopFetchingDeviceMotionData() {
- Stop(DeviceData::kTypeMotion);
- {
- base::AutoLock autolock(motion_buffer_lock_);
- if (device_motion_buffer_) {
- ClearInternalMotionBuffers();
- device_motion_buffer_ = NULL;
- }
- }
-}
-
-void DataFetcherImplAndroid::CheckMotionBufferReadyToRead() {
- if (received_motion_data_[RECEIVED_MOTION_DATA_ACCELERATION] +
- received_motion_data_[RECEIVED_MOTION_DATA_ACCELERATION_INCL_GRAVITY] +
- received_motion_data_[RECEIVED_MOTION_DATA_ROTATION_RATE] ==
- number_active_device_motion_sensors_) {
- device_motion_buffer_->seqlock.WriteBegin();
- device_motion_buffer_->data.interval = kInertialSensorIntervalMillis;
- device_motion_buffer_->seqlock.WriteEnd();
- SetMotionBufferReadyStatus(true);
-
- UMA_HISTOGRAM_BOOLEAN("InertialSensor.AccelerometerAndroidAvailable",
- received_motion_data_[RECEIVED_MOTION_DATA_ACCELERATION] > 0);
- UMA_HISTOGRAM_BOOLEAN(
- "InertialSensor.AccelerometerIncGravityAndroidAvailable",
- received_motion_data_[RECEIVED_MOTION_DATA_ACCELERATION_INCL_GRAVITY]
- > 0);
- UMA_HISTOGRAM_BOOLEAN("InertialSensor.GyroscopeAndroidAvailable",
- received_motion_data_[RECEIVED_MOTION_DATA_ROTATION_RATE] > 0);
- }
-}
-
-void DataFetcherImplAndroid::SetMotionBufferReadyStatus(bool ready) {
- device_motion_buffer_->seqlock.WriteBegin();
- device_motion_buffer_->data.allAvailableSensorsAreActive = ready;
- device_motion_buffer_->seqlock.WriteEnd();
- is_motion_buffer_ready_ = ready;
-}
-
-void DataFetcherImplAndroid::ClearInternalMotionBuffers() {
- memset(received_motion_data_, 0, sizeof(received_motion_data_));
- number_active_device_motion_sensors_ = 0;
- SetMotionBufferReadyStatus(false);
-}
-
-// --- Device Orientation
-
-void DataFetcherImplAndroid::SetOrientationBufferReadyStatus(bool ready) {
- device_orientation_buffer_->seqlock.WriteBegin();
- device_orientation_buffer_->data.absolute = ready;
- device_orientation_buffer_->data.hasAbsolute = ready;
- device_orientation_buffer_->data.allAvailableSensorsAreActive = ready;
- device_orientation_buffer_->seqlock.WriteEnd();
- is_orientation_buffer_ready_ = ready;
-}
-
-bool DataFetcherImplAndroid::StartFetchingDeviceOrientationData(
- DeviceOrientationHardwareBuffer* buffer) {
- DCHECK(buffer);
- {
- base::AutoLock autolock(orientation_buffer_lock_);
- device_orientation_buffer_ = buffer;
- }
- bool success = Start(DeviceData::kTypeOrientation);
-
- {
- base::AutoLock autolock(orientation_buffer_lock_);
- // If Start() was unsuccessful then set the buffer ready flag to true
- // to start firing all-null events.
- SetOrientationBufferReadyStatus(!success);
- }
-
- if (!success)
- updateRotationVectorHistogram(false);
-
- return success;
-}
-
-void DataFetcherImplAndroid::StopFetchingDeviceOrientationData() {
- Stop(DeviceData::kTypeOrientation);
- {
- base::AutoLock autolock(orientation_buffer_lock_);
- if (device_orientation_buffer_) {
- SetOrientationBufferReadyStatus(false);
- device_orientation_buffer_ = NULL;
- }
- }
-}
-
-} // namespace content