Index: chrome/renderer/device_orientation_dispatcher.cc |
=================================================================== |
--- chrome/renderer/device_orientation_dispatcher.cc (revision 78436) |
+++ chrome/renderer/device_orientation_dispatcher.cc (working copy) |
@@ -1,91 +0,0 @@ |
-// Copyright (c) 2010 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 "chrome/renderer/device_orientation_dispatcher.h" |
- |
-#include "chrome/common/render_messages.h" |
-#include "chrome/common/render_messages_params.h" |
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebDeviceOrientation.h" |
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebDeviceOrientationController.h" |
- |
-DeviceOrientationDispatcher::DeviceOrientationDispatcher( |
- RenderView* render_view) |
- : RenderViewObserver(render_view), |
- controller_(NULL), |
- started_(false) { |
-} |
- |
-DeviceOrientationDispatcher::~DeviceOrientationDispatcher() { |
- if (started_) |
- stopUpdating(); |
-} |
- |
-bool DeviceOrientationDispatcher::OnMessageReceived(const IPC::Message& msg) { |
- bool handled = true; |
- IPC_BEGIN_MESSAGE_MAP(DeviceOrientationDispatcher, msg) |
- IPC_MESSAGE_HANDLER(ViewMsg_DeviceOrientationUpdated, |
- OnDeviceOrientationUpdated) |
- IPC_MESSAGE_UNHANDLED(handled = false) |
- IPC_END_MESSAGE_MAP() |
- return handled; |
-} |
- |
-void DeviceOrientationDispatcher::setController( |
- WebKit::WebDeviceOrientationController* controller) { |
- controller_.reset(controller); |
-} |
- |
-void DeviceOrientationDispatcher::startUpdating() { |
- Send(new ViewHostMsg_DeviceOrientation_StartUpdating(routing_id())); |
- started_ = true; |
-} |
- |
-void DeviceOrientationDispatcher::stopUpdating() { |
- Send(new ViewHostMsg_DeviceOrientation_StopUpdating(routing_id())); |
- started_ = false; |
-} |
- |
-WebKit::WebDeviceOrientation DeviceOrientationDispatcher::lastOrientation() |
- const { |
- if (!last_orientation_.get()) |
- return WebKit::WebDeviceOrientation::nullOrientation(); |
- |
- return *last_orientation_; |
-} |
- |
-namespace { |
-bool OrientationsEqual(const ViewMsg_DeviceOrientationUpdated_Params& a, |
- WebKit::WebDeviceOrientation* b) { |
- if (a.can_provide_alpha != b->canProvideAlpha()) |
- return false; |
- if (a.can_provide_alpha && a.alpha != b->alpha()) |
- return false; |
- if (a.can_provide_beta != b->canProvideBeta()) |
- return false; |
- if (a.can_provide_beta && a.beta != b->beta()) |
- return false; |
- if (a.can_provide_gamma != b->canProvideGamma()) |
- return false; |
- if (a.can_provide_gamma && a.gamma != b->gamma()) |
- return false; |
- |
- return true; |
-} |
-} // namespace |
- |
-void DeviceOrientationDispatcher::OnDeviceOrientationUpdated( |
- const ViewMsg_DeviceOrientationUpdated_Params& p) { |
- |
- if (last_orientation_.get() && OrientationsEqual(p, last_orientation_.get())) |
- return; |
- |
- last_orientation_.reset(new WebKit::WebDeviceOrientation(p.can_provide_alpha, |
- p.alpha, |
- p.can_provide_beta, |
- p.beta, |
- p.can_provide_gamma, |
- p.gamma)); |
- |
- controller_->didChangeDeviceOrientation(*last_orientation_); |
-} |