widget/gtk/nsWaylandDisplay.h

   1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   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/. */
   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/gtk-primary-selection-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/primary-selection-unstable-v1-client-protocol.h"
  21 #include "mozilla/widget/viewporter-client-protocol.h"
  22
  23 namespace mozilla {
  24 namespace 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   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(nsWaylandDisplay)
  32
  33   // Create nsWaylandDisplay object on top of native Wayland wl_display
  34   // connection.
  35   explicit nsWaylandDisplay(wl_display* aDisplay);
  36
  37   bool DispatchEventQueue();
  38
  39   void SyncBegin();
  40   void QueueSyncBegin();
  41   void SyncEnd();
  42   void WaitForSyncEnd();
  43
  44   bool Matches(wl_display* aDisplay);
  45
  46   wl_display* GetDisplay() { return mDisplay; };
  47   wl_event_queue* GetEventQueue() { return mEventQueue; };
  48   wl_compositor* GetCompositor(void) { return mCompositor; };
  49   wl_subcompositor* GetSubcompositor(void) { return mSubcompositor; };
  50   wl_data_device_manager* GetDataDeviceManager(void) {
  51     return mDataDeviceManager;
  52   };
  53   wl_seat* GetSeat(void);
  54   wl_shm* GetShm(void) { return mShm; };
  55   gtk_primary_selection_device_manager* GetPrimarySelectionDeviceManagerGtk(
  56       void) {
  57     return mPrimarySelectionDeviceManagerGtk;
  58   };
  59   zwp_primary_selection_device_manager_v1*
  60   GetPrimarySelectionDeviceManagerZwpV1(void) {
  61     return mPrimarySelectionDeviceManagerZwpV1;
  62   };
  63   zwp_idle_inhibit_manager_v1* GetIdleInhibitManager(void) {
  64     return mIdleInhibitManager;
  65   }
  66   wp_viewporter* GetViewporter(void) { return mViewporter; };
  67   zwp_relative_pointer_manager_v1* GetRelativePointerManager(void) {
  68     return mRelativePointerManager;
  69   }
  70   zwp_pointer_constraints_v1* GetPointerConstraints(void) {
  71     return mPointerConstraints;
  72   }
  73   zwp_linux_dmabuf_v1* GetDmabuf(void) { return mDmabuf; };
  74
  75   bool IsMainThreadDisplay() { return mEventQueue == nullptr; }
  76
  77   void SetShm(wl_shm* aShm);
  78   void SetCompositor(wl_compositor* aCompositor);
  79   void SetSubcompositor(wl_subcompositor* aSubcompositor);
  80   void SetDataDeviceManager(wl_data_device_manager* aDataDeviceManager);
  81   void SetPrimarySelectionDeviceManager(
  82       gtk_primary_selection_device_manager* aPrimarySelectionDeviceManager);
  83   void SetPrimarySelectionDeviceManager(
  84       zwp_primary_selection_device_manager_v1* aPrimarySelectionDeviceManager);
  85   void SetIdleInhibitManager(zwp_idle_inhibit_manager_v1* aIdleInhibitManager);
  86   void SetViewporter(wp_viewporter* aViewporter);
  87   void SetRelativePointerManager(
  88       zwp_relative_pointer_manager_v1* aRelativePointerManager);
  89   void SetPointerConstraints(zwp_pointer_constraints_v1* aPointerConstraints);
  90   void SetDmabuf(zwp_linux_dmabuf_v1* aDmabuf);
  91
  92   bool IsExplicitSyncEnabled() { return mExplicitSync; }
  93
  94  private:
  95   ~nsWaylandDisplay();
  96
  97   PRThread* mThreadId;
  98   wl_display* mDisplay;
  99   wl_event_queue* mEventQueue;
 100   wl_data_device_manager* mDataDeviceManager;
 101   wl_compositor* mCompositor;
 102   wl_subcompositor* mSubcompositor;
 103   wl_shm* mShm;
 104   wl_callback* mSyncCallback;
 105   gtk_primary_selection_device_manager* mPrimarySelectionDeviceManagerGtk;
 106   zwp_primary_selection_device_manager_v1* mPrimarySelectionDeviceManagerZwpV1;
 107   zwp_idle_inhibit_manager_v1* mIdleInhibitManager;
 108   zwp_relative_pointer_manager_v1* mRelativePointerManager;
 109   zwp_pointer_constraints_v1* mPointerConstraints;
 110   wp_viewporter* mViewporter;
 111   zwp_linux_dmabuf_v1* mDmabuf;
 112   bool mExplicitSync;
 113 };
 114
 115 void WaylandDispatchDisplays();
 116 void WaylandDisplayRelease();
 117
 118 RefPtr<nsWaylandDisplay> WaylandDisplayGet(GdkDisplay* aGdkDisplay = nullptr);
 119 wl_display* WaylandDisplayGetWLDisplay(GdkDisplay* aGdkDisplay = nullptr);
 120
 121 }  // namespace widget
 122 }  // namespace mozilla
 123
 124 template <class T>
 125 static inline T* WaylandRegistryBind(struct wl_registry* wl_registry,
 126                                      uint32_t name,
 127                                      const struct wl_interface* interface,
 128                                      uint32_t version) {
 129   struct wl_proxy* id;
 130
 131   // When libwayland-client does not provide this symbol, it will be
 132   // linked to the fallback in libmozwayland, which returns NULL.
 133   id = wl_proxy_marshal_constructor_versioned(
 134       (struct wl_proxy*)wl_registry, WL_REGISTRY_BIND, interface, version, name,
 135       interface->name, version, nullptr);
 136
 137   if (id == nullptr) {
 138     id = wl_proxy_marshal_constructor((struct wl_proxy*)wl_registry,
 139                                       WL_REGISTRY_BIND, interface, name,
 140                                       interface->name, version, nullptr);
 141   }
 142
 143   return reinterpret_cast<T*>(id);
 144 }
 145
 146 #endif  // __MOZ_WAYLAND_DISPLAY_H__