The Tor Browser: widget/qt/nsIdleServiceQt.h@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: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

     2 /* vim:expandtab:shiftwidth=4:tabstop=4:

     3  */

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

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

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

     8 #ifndef nsIdleServiceQt_h__

     9 #define nsIdleServiceQt_h__

    11 #include "nsIdleService.h"

    13 #if defined(MOZ_X11)

    14 #include <X11/Xlib.h>

    15 #include <X11/Xutil.h>

    17 typedef struct {

    18     Window window;              // Screen saver window

    19     int state;                  // ScreenSaver(Off,On,Disabled)

    20     int kind;                   // ScreenSaver(Blanked,Internal,External)

    21     unsigned long til_or_since; // milliseconds since/til screensaver kicks in

    22     unsigned long idle;         // milliseconds idle

    23     unsigned long event_mask;   // event stuff

    24 } XScreenSaverInfo;

    25 #endif

    27 class nsIdleServiceQt : public nsIdleService

    28 {

    29 public:

    30     NS_DECL_ISUPPORTS_INHERITED

    32     bool PollIdleTime(uint32_t* aIdleTime);

    34     static already_AddRefed<nsIdleServiceQt> GetInstance()

    35     {

    36         nsRefPtr<nsIdleServiceQt> idleService =

    37             nsIdleService::GetInstance().downcast<nsIdleServiceQt>();

    38         if (!idleService) {

    39             idleService = new nsIdleServiceQt();

    40         }

    42         return idleService.forget();

    43     }

    45 private:

    46 #if defined(MOZ_X11)

    47     XScreenSaverInfo* mXssInfo;

    48 #endif

    50 protected:

    51     nsIdleServiceQt();

    52     virtual ~nsIdleServiceQt();

    53     bool UsePollMode();

    54 };

    56 #endif // nsIdleServiceQt_h__

The Tor Browser / file revision

widget/qt/nsIdleServiceQt.h@97036ab72558

widget/qt/nsIdleServiceQt.h