diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /widget/gtk/nsUserIdleServiceGTK.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | widget/gtk/nsUserIdleServiceGTK.cpp | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/widget/gtk/nsUserIdleServiceGTK.cpp b/widget/gtk/nsUserIdleServiceGTK.cpp new file mode 100644 index 0000000000..2b3215fd40 --- /dev/null +++ b/widget/gtk/nsUserIdleServiceGTK.cpp @@ -0,0 +1,125 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:expandtab:shiftwidth=4:tabstop=4: + */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include <gtk/gtk.h> + +#include "nsUserIdleServiceGTK.h" +#include "nsDebug.h" +#include "prlink.h" +#include "mozilla/Logging.h" +#include "WidgetUtilsGtk.h" + +using mozilla::LogLevel; + +static mozilla::LazyLogModule sIdleLog("nsIUserIdleService"); + +#ifdef MOZ_X11 +typedef bool (*_XScreenSaverQueryExtension_fn)(Display* dpy, int* event_base, + int* error_base); + +typedef XScreenSaverInfo* (*_XScreenSaverAllocInfo_fn)(void); + +typedef void (*_XScreenSaverQueryInfo_fn)(Display* dpy, Drawable drw, + XScreenSaverInfo* info); + +static _XScreenSaverQueryExtension_fn _XSSQueryExtension = nullptr; +static _XScreenSaverAllocInfo_fn _XSSAllocInfo = nullptr; +static _XScreenSaverQueryInfo_fn _XSSQueryInfo = nullptr; +#endif +static bool sInitialized = false; + +static void Initialize() { +#ifdef MOZ_X11 + if (!mozilla::widget::GdkIsX11Display()) { + return; + } + + // This will leak - See comments in ~nsUserIdleServiceGTK(). + PRLibrary* xsslib = PR_LoadLibrary("libXss.so.1"); + if (!xsslib) // ouch. + { + MOZ_LOG(sIdleLog, LogLevel::Warning, ("Failed to find libXss.so!\n")); + return; + } + + _XSSQueryExtension = (_XScreenSaverQueryExtension_fn)PR_FindFunctionSymbol( + xsslib, "XScreenSaverQueryExtension"); + _XSSAllocInfo = (_XScreenSaverAllocInfo_fn)PR_FindFunctionSymbol( + xsslib, "XScreenSaverAllocInfo"); + _XSSQueryInfo = (_XScreenSaverQueryInfo_fn)PR_FindFunctionSymbol( + xsslib, "XScreenSaverQueryInfo"); + + if (!_XSSQueryExtension) + MOZ_LOG(sIdleLog, LogLevel::Warning, + ("Failed to get XSSQueryExtension!\n")); + if (!_XSSAllocInfo) + MOZ_LOG(sIdleLog, LogLevel::Warning, ("Failed to get XSSAllocInfo!\n")); + if (!_XSSQueryInfo) + MOZ_LOG(sIdleLog, LogLevel::Warning, ("Failed to get XSSQueryInfo!\n")); + + sInitialized = true; +#endif +} + +#ifdef MOZ_X11 +nsUserIdleServiceGTK::nsUserIdleServiceGTK() : mXssInfo(nullptr) { +#else +nsUserIdleServiceGTK::nsUserIdleServiceGTK() { +#endif + Initialize(); +} + +nsUserIdleServiceGTK::~nsUserIdleServiceGTK() { +#ifdef MOZ_X11 + if (mXssInfo) XFree(mXssInfo); +#endif + +// It is not safe to unload libXScrnSaver until each display is closed because +// the library registers callbacks through XESetCloseDisplay (Bug 397607). +// (Also the library and its functions are scoped for the file not the object.) +#if 0 + if (xsslib) { + PR_UnloadLibrary(xsslib); + xsslib = nullptr; + } +#endif +} + +bool nsUserIdleServiceGTK::PollIdleTime(uint32_t* aIdleTime) { +#ifdef MOZ_X11 + if (!sInitialized) { + // For some reason, we could not find xscreensaver. + return false; + } + + // Ask xscreensaver about idle time: + *aIdleTime = 0; + + // We might not have a display (cf. in xpcshell) + Display* dplay = GDK_DISPLAY_XDISPLAY(gdk_display_get_default()); + if (!dplay) { + MOZ_LOG(sIdleLog, LogLevel::Warning, ("No display found!\n")); + return false; + } + + if (!_XSSQueryExtension || !_XSSAllocInfo || !_XSSQueryInfo) { + return false; + } + + int event_base, error_base; + if (_XSSQueryExtension(dplay, &event_base, &error_base)) { + if (!mXssInfo) mXssInfo = _XSSAllocInfo(); + if (!mXssInfo) return false; + _XSSQueryInfo(dplay, GDK_ROOT_WINDOW(), mXssInfo); + *aIdleTime = mXssInfo->idle; + return true; + } + // If we get here, we couldn't get to XScreenSaver: + MOZ_LOG(sIdleLog, LogLevel::Warning, ("XSSQueryExtension returned false!\n")); +#endif + return false; +} |