gecko/hal/sandbox/SandboxHal.cpp

297 lines
7.7 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et ft=cpp : */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Code.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Chris Jones <jones.chris.g@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "Hal.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/hal_sandbox/PHalChild.h"
#include "mozilla/hal_sandbox/PHalParent.h"
#include "mozilla/dom/TabParent.h"
#include "mozilla/dom/TabChild.h"
#include "mozilla/dom/battery/Types.h"
#include "mozilla/dom/network/Types.h"
#include "mozilla/Observer.h"
#include "mozilla/unused.h"
#include "WindowIdentifier.h"
using namespace mozilla;
using namespace mozilla::dom;
using namespace mozilla::hal;
namespace mozilla {
namespace hal_sandbox {
static PHalChild* sHal;
static PHalChild*
Hal()
{
if (!sHal) {
sHal = ContentChild::GetSingleton()->SendPHalConstructor();
}
return sHal;
}
void
Vibrate(const nsTArray<uint32>& pattern, const WindowIdentifier &id)
{
HAL_LOG(("Vibrate: Sending to parent process."));
AutoInfallibleTArray<uint32, 8> p(pattern);
WindowIdentifier newID(id);
newID.AppendProcessID();
Hal()->SendVibrate(p, newID.AsArray(), GetTabChildFrom(newID.GetWindow()));
}
void
CancelVibrate(const WindowIdentifier &id)
{
HAL_LOG(("CancelVibrate: Sending to parent process."));
WindowIdentifier newID(id);
newID.AppendProcessID();
Hal()->SendCancelVibrate(newID.AsArray(), GetTabChildFrom(newID.GetWindow()));
}
void
EnableBatteryNotifications()
{
Hal()->SendEnableBatteryNotifications();
}
void
DisableBatteryNotifications()
{
Hal()->SendDisableBatteryNotifications();
}
void
GetCurrentBatteryInformation(BatteryInformation* aBatteryInfo)
{
Hal()->SendGetCurrentBatteryInformation(aBatteryInfo);
}
void
EnableNetworkNotifications()
{
Hal()->SendEnableNetworkNotifications();
}
void
DisableNetworkNotifications()
{
Hal()->SendDisableNetworkNotifications();
}
void
GetCurrentNetworkInformation(NetworkInformation* aNetworkInfo)
{
Hal()->SendGetCurrentNetworkInformation(aNetworkInfo);
}
bool
GetScreenEnabled()
{
bool enabled = false;
Hal()->SendGetScreenEnabled(&enabled);
return enabled;
}
void
SetScreenEnabled(bool enabled)
{
Hal()->SendSetScreenEnabled(enabled);
}
double
GetScreenBrightness()
{
double brightness = 0;
Hal()->SendGetScreenBrightness(&brightness);
return brightness;
}
void
SetScreenBrightness(double brightness)
{
Hal()->SendSetScreenBrightness(brightness);
}
class HalParent : public PHalParent
, public BatteryObserver
, public NetworkObserver
{
public:
NS_OVERRIDE virtual bool
RecvVibrate(const InfallibleTArray<unsigned int>& pattern,
const InfallibleTArray<uint64> &id,
PBrowserParent *browserParent)
{
// Check whether browserParent is active. We should have already
// checked that the corresponding window is active, but this check
// isn't redundant. A window may be inactive in an active
// browser. And a window is not notified synchronously when it's
// deactivated, so the window may think it's active when the tab
// is actually inactive.
TabParent *tabParent = static_cast<TabParent*>(browserParent);
if (!tabParent->Active()) {
HAL_LOG(("RecvVibrate: Tab is not active. Cancelling."));
return true;
}
// Forward to hal::, not hal_impl::, because we might be a
// subprocess of another sandboxed process. The hal:: entry point
// will do the right thing.
nsCOMPtr<nsIDOMWindow> window =
do_QueryInterface(tabParent->GetBrowserDOMWindow());
WindowIdentifier newID(id, window);
hal::Vibrate(pattern, newID);
return true;
}
NS_OVERRIDE virtual bool
RecvCancelVibrate(const InfallibleTArray<uint64> &id,
PBrowserParent *browserParent)
{
TabParent *tabParent = static_cast<TabParent*>(browserParent);
nsCOMPtr<nsIDOMWindow> window =
do_QueryInterface(tabParent->GetBrowserDOMWindow());
WindowIdentifier newID(id, window);
hal::CancelVibrate(newID);
return true;
}
NS_OVERRIDE virtual bool
RecvEnableBatteryNotifications() {
hal::RegisterBatteryObserver(this);
return true;
}
NS_OVERRIDE virtual bool
RecvDisableBatteryNotifications() {
hal::UnregisterBatteryObserver(this);
return true;
}
NS_OVERRIDE virtual bool
RecvGetCurrentBatteryInformation(BatteryInformation* aBatteryInfo) {
hal::GetCurrentBatteryInformation(aBatteryInfo);
return true;
}
void Notify(const BatteryInformation& aBatteryInfo) {
unused << SendNotifyBatteryChange(aBatteryInfo);
}
NS_OVERRIDE virtual bool
RecvEnableNetworkNotifications() {
hal::RegisterNetworkObserver(this);
return true;
}
NS_OVERRIDE virtual bool
RecvDisableNetworkNotifications() {
hal::UnregisterNetworkObserver(this);
return true;
}
NS_OVERRIDE virtual bool
RecvGetCurrentNetworkInformation(NetworkInformation* aNetworkInfo) {
hal::GetCurrentNetworkInformation(aNetworkInfo);
return true;
}
void Notify(const NetworkInformation& aNetworkInfo) {
unused << SendNotifyNetworkChange(aNetworkInfo);
}
NS_OVERRIDE virtual bool
RecvGetScreenEnabled(bool *enabled)
{
*enabled = hal::GetScreenEnabled();
return true;
}
NS_OVERRIDE virtual bool
RecvSetScreenEnabled(const bool &enabled)
{
hal::SetScreenEnabled(enabled);
return true;
}
NS_OVERRIDE virtual bool
RecvGetScreenBrightness(double *brightness)
{
*brightness = hal::GetScreenBrightness();
return true;
}
NS_OVERRIDE virtual bool
RecvSetScreenBrightness(const double &brightness)
{
hal::SetScreenBrightness(brightness);
return true;
}
};
class HalChild : public PHalChild {
public:
NS_OVERRIDE virtual bool
RecvNotifyBatteryChange(const BatteryInformation& aBatteryInfo) {
hal::NotifyBatteryChange(aBatteryInfo);
return true;
}
NS_OVERRIDE virtual bool
RecvNotifyNetworkChange(const NetworkInformation& aNetworkInfo) {
hal::NotifyNetworkChange(aNetworkInfo);
return true;
}
};
PHalChild* CreateHalChild() {
return new HalChild();
}
PHalParent* CreateHalParent() {
return new HalParent();
}
} // namespace hal_sandbox
} // namespace mozilla