gfx/thebes/XlibDisplay.cpp

   1 /* -*- Mode: C++; tab-width: 20; 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/. */
   5
   6 #include "XlibDisplay.h"
   7
   8 #include "mozilla/Assertions.h"
   9
  10 namespace mozilla::gfx {
  11
  12 XlibDisplay::XlibDisplay(Display* aDisplay, bool aOwned)
  13     : mDisplay(aDisplay), mOwned(aOwned) {
  14   MOZ_ASSERT(mDisplay);
  15 }
  16
  17 XlibDisplay::~XlibDisplay() {
  18   if (mOwned) {
  19     XCloseDisplay(mDisplay);
  20   }
  21 }
  22
  23 /* static */
  24 std::shared_ptr<XlibDisplay> XlibDisplay::Borrow(Display* aDisplay) {
  25   if (!aDisplay) {
  26     return nullptr;
  27   }
  28   return std::shared_ptr<XlibDisplay>(new XlibDisplay(aDisplay, false));
  29 }
  30
  31 /* static */
  32 std::shared_ptr<XlibDisplay> XlibDisplay::Open(const char* aDisplayName) {
  33   Display* disp = XOpenDisplay(aDisplayName);
  34   if (!disp) {
  35     return nullptr;
  36   }
  37   return std::shared_ptr<XlibDisplay>(new XlibDisplay(disp, true));
  38 }
  39
  40 }  // namespace mozilla::gfx