Index: content/renderer/device_orientation/device_orientation_event_pump.cc |
diff --git a/content/renderer/device_orientation/device_orientation_event_pump.cc b/content/renderer/device_orientation/device_orientation_event_pump.cc |
deleted file mode 100644 |
index 2ee6d218cd0da4d0594545dba2ecfba08bfdab2f..0000000000000000000000000000000000000000 |
--- a/content/renderer/device_orientation/device_orientation_event_pump.cc |
+++ /dev/null |
@@ -1,95 +0,0 @@ |
-// Copyright 2013 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 "device_orientation_event_pump.h" |
- |
-#include <cmath> |
- |
-#include "content/common/device_orientation/device_orientation_messages.h" |
-#include "content/public/renderer/render_thread.h" |
-#include "third_party/WebKit/public/platform/WebDeviceOrientationListener.h" |
- |
-namespace content { |
- |
-const double DeviceOrientationEventPump::kOrientationThreshold = 0.1; |
- |
-DeviceOrientationEventPump::DeviceOrientationEventPump() |
- : DeviceSensorEventPump(), listener_(0) { |
-} |
- |
-DeviceOrientationEventPump::DeviceOrientationEventPump(int pump_delay_millis) |
- : DeviceSensorEventPump(pump_delay_millis), listener_(0) { |
-} |
- |
-DeviceOrientationEventPump::~DeviceOrientationEventPump() { |
-} |
- |
-bool DeviceOrientationEventPump::SetListener( |
- blink::WebDeviceOrientationListener* listener) { |
- listener_ = listener; |
- return listener_ ? RequestStart() : Stop(); |
-} |
- |
-bool DeviceOrientationEventPump::OnControlMessageReceived( |
- const IPC::Message& message) { |
- bool handled = true; |
- IPC_BEGIN_MESSAGE_MAP(DeviceOrientationEventPump, message) |
- IPC_MESSAGE_HANDLER(DeviceOrientationMsg_DidStartPolling, OnDidStart) |
- IPC_MESSAGE_UNHANDLED(handled = false) |
- IPC_END_MESSAGE_MAP() |
- return handled; |
-} |
- |
-void DeviceOrientationEventPump::FireEvent() { |
- DCHECK(listener_); |
- blink::WebDeviceOrientationData data; |
- if (reader_->GetLatestData(&data) && ShouldFireEvent(data)) { |
- memcpy(&data_, &data, sizeof(data)); |
- listener_->didChangeDeviceOrientation(data); |
- } |
-} |
- |
-static bool IsSignificantlyDifferent(bool hasAngle1, double angle1, |
- bool hasAngle2, double angle2) { |
- if (hasAngle1 != hasAngle2) |
- return true; |
- return (hasAngle1 && std::fabs(angle1 - angle2) >= |
- DeviceOrientationEventPump::kOrientationThreshold); |
-} |
- |
-bool DeviceOrientationEventPump::ShouldFireEvent( |
- const blink::WebDeviceOrientationData& data) const { |
- if (!data.allAvailableSensorsAreActive) |
- return false; |
- |
- if (!data.hasAlpha && !data.hasBeta && !data.hasGamma) { |
- // no data can be provided, this is an all-null event. |
- return true; |
- } |
- |
- return IsSignificantlyDifferent( |
- data_.hasAlpha, data_.alpha, data.hasAlpha, data.alpha) || |
- IsSignificantlyDifferent( |
- data_.hasBeta, data_.beta, data.hasBeta, data.beta) || |
- IsSignificantlyDifferent( |
- data_.hasGamma, data_.gamma, data.hasGamma, data.gamma); |
-} |
- |
-bool DeviceOrientationEventPump::InitializeReader( |
- base::SharedMemoryHandle handle) { |
- memset(&data_, 0, sizeof(data_)); |
- if (!reader_) |
- reader_.reset(new DeviceOrientationSharedMemoryReader()); |
- return reader_->Initialize(handle); |
-} |
- |
-bool DeviceOrientationEventPump::SendStartMessage() { |
- return RenderThread::Get()->Send(new DeviceOrientationHostMsg_StartPolling()); |
-} |
- |
-bool DeviceOrientationEventPump::SendStopMessage() { |
- return RenderThread::Get()->Send(new DeviceOrientationHostMsg_StopPolling()); |
-} |
- |
-} // namespace content |