widget/gtk/nsWaylandDisplay.h

   1 /* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:expandtab:shiftwidth=2:tabstop=2:
   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/. */
   7
   8 #ifndef __MOZ_WAYLAND_DISPLAY_H__
   9 #define __MOZ_WAYLAND_DISPLAY_H__
  10
  11 #include "DMABufLibWrapper.h"
  12
  13 #include "mozilla/widget/mozwayland.h"
  14 #include "mozilla/widget/gbm.h"
  15 #include "mozilla/widget/fractional-scale-v1-client-protocol.h"
  16 #include "mozilla/widget/idle-inhibit-unstable-v1-client-protocol.h"
  17 #include "mozilla/widget/relative-pointer-unstable-v1-client-protocol.h"
  18 #include "mozilla/widget/pointer-constraints-unstable-v1-client-protocol.h"
  19 #include "mozilla/widget/linux-dmabuf-unstable-v1-client-protocol.h"
  20 #include "mozilla/widget/viewporter-client-protocol.h"
  21 #include "mozilla/widget/xdg-activation-v1-client-protocol.h"
  22 #include "mozilla/widget/xdg-output-unstable-v1-client-protocol.h"
  23
  24 namespace mozilla::widget {
  25
  26 // Our general connection to Wayland display server,
  27 // holds our display connection and runs event loop.
  28 // We have a global nsWaylandDisplay object for each thread.
  29 class nsWaylandDisplay {
  30  public:
  31   // Create nsWaylandDisplay object on top of native Wayland wl_display
  32   // connection.
  33   explicit nsWaylandDisplay(wl_display* aDisplay);
  34
  35   wl_display* GetDisplay() { return mDisplay; };
  36   wl_compositor* GetCompositor() { return mCompositor; };
  37   wl_subcompositor* GetSubcompositor() { return mSubcompositor; };
  38   wl_shm* GetShm() { return mShm; };
  39   zwp_idle_inhibit_manager_v1* GetIdleInhibitManager() {
  40     return mIdleInhibitManager;
  41   }
  42   wp_viewporter* GetViewporter() { return mViewporter; };
  43   zwp_relative_pointer_manager_v1* GetRelativePointerManager() {
  44     return mRelativePointerManager;
  45   }
  46   zwp_pointer_constraints_v1* GetPointerConstraints() {
  47     return mPointerConstraints;
  48   }
  49   zwp_linux_dmabuf_v1* GetDmabuf() { return mDmabuf; };
  50   xdg_activation_v1* GetXdgActivation() { return mXdgActivation; };
  51   wp_fractional_scale_manager_v1* GetFractionalScaleManager() {
  52     return mFractionalScaleManager;
  53   }
  54   bool IsPrimarySelectionEnabled() { return mIsPrimarySelectionEnabled; }
  55
  56   void SetShm(wl_shm* aShm);
  57   void SetCompositor(wl_compositor* aCompositor);
  58   void SetSubcompositor(wl_subcompositor* aSubcompositor);
  59   void SetDataDeviceManager(wl_data_device_manager* aDataDeviceManager);
  60   void SetIdleInhibitManager(zwp_idle_inhibit_manager_v1* aIdleInhibitManager);
  61   void SetViewporter(wp_viewporter* aViewporter);
  62   void SetRelativePointerManager(
  63       zwp_relative_pointer_manager_v1* aRelativePointerManager);
  64   void SetPointerConstraints(zwp_pointer_constraints_v1* aPointerConstraints);
  65   void SetDmabuf(zwp_linux_dmabuf_v1* aDmabuf);
  66   void SetXdgActivation(xdg_activation_v1* aXdgActivation);
  67   void SetFractionalScaleManager(wp_fractional_scale_manager_v1* aManager) {
  68     mFractionalScaleManager = aManager;
  69   }
  70   void EnablePrimarySelection() { mIsPrimarySelectionEnabled = true; }
  71
  72   ~nsWaylandDisplay();
  73
  74  private:
  75   PRThread* mThreadId = nullptr;
  76   wl_registry* mRegistry = nullptr;
  77   wl_display* mDisplay = nullptr;
  78   wl_compositor* mCompositor = nullptr;
  79   wl_subcompositor* mSubcompositor = nullptr;
  80   wl_shm* mShm = nullptr;
  81   zwp_idle_inhibit_manager_v1* mIdleInhibitManager = nullptr;
  82   zwp_relative_pointer_manager_v1* mRelativePointerManager = nullptr;
  83   zwp_pointer_constraints_v1* mPointerConstraints = nullptr;
  84   wp_viewporter* mViewporter = nullptr;
  85   zwp_linux_dmabuf_v1* mDmabuf = nullptr;
  86   xdg_activation_v1* mXdgActivation = nullptr;
  87   wp_fractional_scale_manager_v1* mFractionalScaleManager = nullptr;
  88   bool mExplicitSync = false;
  89   bool mIsPrimarySelectionEnabled = false;
  90 };
  91
  92 wl_display* WaylandDisplayGetWLDisplay();
  93 nsWaylandDisplay* WaylandDisplayGet();
  94 void WaylandDisplayRelease();
  95
  96 }  // namespace mozilla::widget
  97
  98 template <class T>
  99 static inline T* WaylandRegistryBind(struct wl_registry* wl_registry,
 100                                      uint32_t name,
 101                                      const struct wl_interface* interface,
 102                                      uint32_t version) {
 103   struct wl_proxy* id;
 104
 105   // When libwayland-client does not provide this symbol, it will be
 106   // linked to the fallback in libmozwayland, which returns NULL.
 107   id = wl_proxy_marshal_constructor_versioned(
 108       (struct wl_proxy*)wl_registry, WL_REGISTRY_BIND, interface, version, name,
 109       interface->name, version, nullptr);
 110
 111   if (id == nullptr) {
 112     id = wl_proxy_marshal_constructor((struct wl_proxy*)wl_registry,
 113                                       WL_REGISTRY_BIND, interface, name,
 114                                       interface->name, version, nullptr);
 115   }
 116
 117   return reinterpret_cast<T*>(id);
 118 }
 119
 120 #endif  // __MOZ_WAYLAND_DISPLAY_H__