forked from mirrors/gecko-dev
182fe12e8b
This implements the basic infrastructure to use use libdbusmenu to export the Linux menubar. For now, this is not integrated with the front-end, and there are some remaining bugs, so it lands disabled by default behind the widget.gtk.global-menu.enabled pref. Differential Revision: https://phabricator.services.mozilla.com/D200259
67 lines
2.4 KiB
C++
67 lines
2.4 KiB
C++
/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "DBusMenu.h"
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#include "prlink.h"
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#include "nsThreadUtils.h"
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#include "mozilla/ArrayUtils.h"
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namespace mozilla::widget {
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#define FUNC(name, type, params) \
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DBusMenuFunctions::_##name##_fn DBusMenuFunctions::s_##name;
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DBUSMENU_GLIB_FUNCTIONS
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DBUSMENU_GTK_FUNCTIONS
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#undef FUNC
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static PRLibrary* gDbusmenuGlib = nullptr;
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static PRLibrary* gDbusmenuGtk = nullptr;
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using DBusMenuFunc = void (*)();
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struct DBusMenuDynamicFunction {
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const char* functionName;
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DBusMenuFunc* function;
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};
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static bool sInitialized;
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static bool sLibPresent;
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/* static */ bool DBusMenuFunctions::Init() {
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MOZ_ASSERT(NS_IsMainThread());
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if (sInitialized) {
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return sLibPresent;
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}
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sInitialized = true;
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#define FUNC(name, type, params) \
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{#name, (DBusMenuFunc*)&DBusMenuFunctions::s_##name},
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static const DBusMenuDynamicFunction kDbusmenuGlibSymbols[] = {
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DBUSMENU_GLIB_FUNCTIONS};
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static const DBusMenuDynamicFunction kDbusmenuGtkSymbols[] = {
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DBUSMENU_GTK_FUNCTIONS};
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#define LOAD_LIBRARY(symbol, name) \
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if (!g##symbol) { \
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g##symbol = PR_LoadLibrary(name); \
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if (!g##symbol) { \
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return false; \
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} \
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} \
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for (uint32_t i = 0; i < mozilla::ArrayLength(k##symbol##Symbols); ++i) { \
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*k##symbol##Symbols[i].function = \
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PR_FindFunctionSymbol(g##symbol, k##symbol##Symbols[i].functionName); \
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if (!*k##symbol##Symbols[i].function) { \
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return false; \
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} \
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}
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LOAD_LIBRARY(DbusmenuGlib, "libdbusmenu-glib.so.4")
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LOAD_LIBRARY(DbusmenuGtk, "libdbusmenu-gtk3.so.4")
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#undef LOAD_LIBRARY
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sLibPresent = true;
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return true;
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}
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} // namespace mozilla::widget
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