The Tor Browser: hal/android/AndroidHal.cpp@97036ab72558

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "Hal.h"

     7 #include "HalImpl.h"

     8 #include "WindowIdentifier.h"

     9 #include "AndroidBridge.h"

    10 #include "mozilla/dom/network/Constants.h"

    11 #include "mozilla/dom/ScreenOrientation.h"

    12 #include "nsIScreenManager.h"

    13 #include "nsServiceManagerUtils.h"

    15 using namespace mozilla::dom;

    16 using namespace mozilla::hal;

    17 using namespace mozilla::widget::android;

    19 namespace mozilla {

    20 namespace hal_impl {

    22 void

    23 Vibrate(const nsTArray<uint32_t> &pattern, const WindowIdentifier &)

    24 {

    25   // Ignore the WindowIdentifier parameter; it's here only because hal::Vibrate,

    26   // hal_sandbox::Vibrate, and hal_impl::Vibrate all must have the same

    27   // signature.

    29   // Strangely enough, the Android Java API seems to treat vibrate([0]) as a

    30   // nop.  But we want to treat vibrate([0]) like CancelVibrate!  (Note that we

    31   // also need to treat vibrate([]) as a call to CancelVibrate.)

    32   bool allZero = true;

    33   for (uint32_t i = 0; i < pattern.Length(); i++) {

    34     if (pattern[i] != 0) {

    35       allZero = false;

    36       break;

    37     }

    38   }

    40   if (allZero) {

    41     hal_impl::CancelVibrate(WindowIdentifier());

    42     return;

    43   }

    45   AndroidBridge* b = AndroidBridge::Bridge();

    46   if (!b) {

    47     return;

    48   }

    50   b->Vibrate(pattern);

    51 }

    53 void

    54 CancelVibrate(const WindowIdentifier &)

    55 {

    56   // Ignore WindowIdentifier parameter.

    58   mozilla::widget::android::GeckoAppShell::CancelVibrate();

    59 }

    61 void

    62 EnableBatteryNotifications()

    63 {

    64   mozilla::widget::android::GeckoAppShell::EnableBatteryNotifications();

    65 }

    67 void

    68 DisableBatteryNotifications()

    69 {

    70   mozilla::widget::android::GeckoAppShell::DisableBatteryNotifications();

    71 }

    73 void

    74 GetCurrentBatteryInformation(hal::BatteryInformation* aBatteryInfo)

    75 {

    76   AndroidBridge::Bridge()->GetCurrentBatteryInformation(aBatteryInfo);

    77 }

    79 void

    80 EnableNetworkNotifications()

    81 {

    82   mozilla::widget::android::GeckoAppShell::EnableNetworkNotifications();

    83 }

    85 void

    86 DisableNetworkNotifications()

    87 {

    88   mozilla::widget::android::GeckoAppShell::DisableNetworkNotifications();

    89 }

    91 void

    92 GetCurrentNetworkInformation(hal::NetworkInformation* aNetworkInfo)

    93 {

    94   AndroidBridge::Bridge()->GetCurrentNetworkInformation(aNetworkInfo);

    95 }

    97 void

    98 EnableScreenConfigurationNotifications()

    99 {

   100   mozilla::widget::android::GeckoAppShell::EnableScreenOrientationNotifications();

   101 }

   103 void

   104 DisableScreenConfigurationNotifications()

   105 {

   106   mozilla::widget::android::GeckoAppShell::DisableScreenOrientationNotifications();

   107 }

   109 void

   110 GetCurrentScreenConfiguration(ScreenConfiguration* aScreenConfiguration)

   111 {

   112   AndroidBridge* bridge = AndroidBridge::Bridge();

   113   if (!bridge) {

   114     return;

   115   }

   117   nsresult rv;

   118   nsCOMPtr<nsIScreenManager> screenMgr =

   119     do_GetService("@mozilla.org/gfx/screenmanager;1", &rv);

   120   if (NS_FAILED(rv)) {

   121     NS_ERROR("Can't find nsIScreenManager!");

   122     return;

   123   }

   125   nsIntRect rect;

   126   int32_t colorDepth, pixelDepth;

   127   ScreenOrientation orientation;

   128   nsCOMPtr<nsIScreen> screen;

   130   screenMgr->GetPrimaryScreen(getter_AddRefs(screen));

   131   screen->GetRect(&rect.x, &rect.y, &rect.width, &rect.height);

   132   screen->GetColorDepth(&colorDepth);

   133   screen->GetPixelDepth(&pixelDepth);

   134   orientation = static_cast<ScreenOrientation>(bridge->GetScreenOrientation());

   136   *aScreenConfiguration =

   137     hal::ScreenConfiguration(rect, orientation, colorDepth, pixelDepth);

   138 }

   140 bool

   141 LockScreenOrientation(const ScreenOrientation& aOrientation)

   142 {

   143   switch (aOrientation) {

   144     // The Android backend only supports these orientations.

   145     case eScreenOrientation_PortraitPrimary:

   146     case eScreenOrientation_PortraitSecondary:

   147     case eScreenOrientation_PortraitPrimary | eScreenOrientation_PortraitSecondary:

   148     case eScreenOrientation_LandscapePrimary:

   149     case eScreenOrientation_LandscapeSecondary:

   150     case eScreenOrientation_LandscapePrimary | eScreenOrientation_LandscapeSecondary:

   151     case eScreenOrientation_Default:

   152       mozilla::widget::android::GeckoAppShell::LockScreenOrientation(aOrientation);

   153       return true;

   154     default:

   155       return false;

   156   }

   157 }

   159 void

   160 UnlockScreenOrientation()

   161 {

   162   mozilla::widget::android::GeckoAppShell::UnlockScreenOrientation();

   163 }

   165 } // hal_impl

   166 } // mozilla

The Tor Browser / file revision

hal/android/AndroidHal.cpp@97036ab72558

hal/android/AndroidHal.cpp