1 files changed, 331 insertions, 0 deletions
diff --git a/mozilla-1631061-1.patch b/mozilla-1631061-1.patch
new file mode 100644
index 0000000..d1bf650
--- /dev/null
+++ b/mozilla-1631061-1.patch
@@ -0,0 +1,331 @@
+diff --git a/widget/gtk/nsClipboardWayland.cpp b/widget/gtk/nsClipboardWayland.cpp
+--- a/widget/gtk/nsClipboardWayland.cpp
++++ b/widget/gtk/nsClipboardWayland.cpp
+@@ -155,6 +155,8 @@
+ }
+ 
+ bool WaylandDataOffer::RequestDataTransfer(const char* aMimeType, int fd) {
++  LOGCLIP(
++      ("WaylandDataOffer::RequestDataTransfer MIME %s FD %d\n", aMimeType, fd));
+   if (mWaylandDataOffer) {
+     wl_data_offer_receive(mWaylandDataOffer, aMimeType, fd);
+     return true;
+@@ -164,6 +166,8 @@
+ }
+ 
+ void WaylandDataOffer::DragOfferAccept(const char* aMimeType, uint32_t aTime) {
++  LOGDRAG(("WaylandDataOffer::DragOfferAccept MIME %s aTime %d\n", aMimeType,
++           aTime));
+   wl_data_offer_accept(mWaylandDataOffer, aTime, aMimeType);
+ }
+ 
+@@ -175,6 +179,9 @@
+   uint32_t preferredAction = gdk_to_wl_actions(aPreferredAction);
+   uint32_t allActions = WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE;
+ 
++  LOGDRAG(("WaylandDataOffer::SetDragStatus aPreferredAction %d\n",
++           aPreferredAction));
++
+   /* We only don't choose a preferred action if we don't accept any.
+    * If we do accept any, it is currently alway copy and move
+    */
+@@ -412,12 +419,17 @@
+ 
+ char* nsWaylandDragContext::GetData(const char* aMimeType,
+                                     uint32_t* aContentLength) {
++  LOGDRAG(("nsWaylandDragContext::GetData %s\n", aMimeType));
+   mDataOffer->DragOfferAccept(aMimeType, mTime);
+   return mDataOffer->GetData(mDisplay, aMimeType, aContentLength);
+ }
+ 
+ void nsRetrievalContextWayland::RegisterNewDataOffer(
+     wl_data_offer* aWaylandDataOffer) {
++  LOGCLIP(
++      ("nsRetrievalContextWayland::RegisterNewDataOffer (wl_data_offer) %p\n",
++       aWaylandDataOffer));
++
+   DataOffer* dataOffer = static_cast<DataOffer*>(
+       g_hash_table_lookup(mActiveOffers, aWaylandDataOffer));
+   MOZ_ASSERT(
+@@ -432,6 +444,9 @@
+ 
+ void nsRetrievalContextWayland::RegisterNewDataOffer(
+     gtk_primary_selection_offer* aPrimaryDataOffer) {
++  LOGCLIP(("nsRetrievalContextWayland::RegisterNewDataOffer (primary) %p\n",
++           aPrimaryDataOffer));
++
+   DataOffer* dataOffer = static_cast<DataOffer*>(
+       g_hash_table_lookup(mActiveOffers, aPrimaryDataOffer));
+   MOZ_ASSERT(
+@@ -446,6 +461,9 @@
+ 
+ void nsRetrievalContextWayland::RegisterNewDataOffer(
+     zwp_primary_selection_offer_v1* aPrimaryDataOffer) {
++  LOGCLIP(("nsRetrievalContextWayland::RegisterNewDataOffer (primary ZWP) %p\n",
++           aPrimaryDataOffer));
++
+   DataOffer* dataOffer = static_cast<DataOffer*>(
+       g_hash_table_lookup(mActiveOffers, aPrimaryDataOffer));
+   MOZ_ASSERT(
+@@ -460,6 +478,10 @@
+ 
+ void nsRetrievalContextWayland::SetClipboardDataOffer(
+     wl_data_offer* aWaylandDataOffer) {
++  LOGCLIP(
++      ("nsRetrievalContextWayland::SetClipboardDataOffer (wl_data_offer) %p\n",
++       aWaylandDataOffer));
++
+   // Delete existing clipboard data offer
+   mClipboardOffer = nullptr;
+ 
+@@ -468,7 +490,11 @@
+   if (aWaylandDataOffer != nullptr) {
+     DataOffer* dataOffer = static_cast<DataOffer*>(
+         g_hash_table_lookup(mActiveOffers, aWaylandDataOffer));
+-    NS_ASSERTION(dataOffer, "We're missing stored clipboard data offer!");
++#ifdef MOZ_LOGGING
++    if (!dataOffer) {
++      LOGCLIP(("    We're missing stored clipboard data offer!\n"));
++    }
++#endif
+     if (dataOffer) {
+       g_hash_table_remove(mActiveOffers, aWaylandDataOffer);
+       mClipboardOffer = WrapUnique(dataOffer);
+@@ -478,6 +504,9 @@
+ 
+ void nsRetrievalContextWayland::SetPrimaryDataOffer(
+     gtk_primary_selection_offer* aPrimaryDataOffer) {
++  LOGCLIP(("nsRetrievalContextWayland::SetPrimaryDataOffer (primary) %p\n",
++           aPrimaryDataOffer));
++
+   // Release any primary offer we have.
+   mPrimaryOffer = nullptr;
+ 
+@@ -486,7 +515,11 @@
+   if (aPrimaryDataOffer) {
+     DataOffer* dataOffer = static_cast<DataOffer*>(
+         g_hash_table_lookup(mActiveOffers, aPrimaryDataOffer));
+-    NS_ASSERTION(dataOffer, "We're missing primary data offer!");
++#ifdef MOZ_LOGGING
++    if (!dataOffer) {
++      LOGCLIP(("    We're missing stored primary data offer!\n"));
++    }
++#endif
+     if (dataOffer) {
+       g_hash_table_remove(mActiveOffers, aPrimaryDataOffer);
+       mPrimaryOffer = WrapUnique(dataOffer);
+@@ -496,6 +529,9 @@
+ 
+ void nsRetrievalContextWayland::SetPrimaryDataOffer(
+     zwp_primary_selection_offer_v1* aPrimaryDataOffer) {
++  LOGCLIP(("nsRetrievalContextWayland::SetPrimaryDataOffer (primary ZWP)%p\n",
++           aPrimaryDataOffer));
++
+   // Release any primary offer we have.
+   mPrimaryOffer = nullptr;
+ 
+@@ -504,7 +540,11 @@
+   if (aPrimaryDataOffer) {
+     DataOffer* dataOffer = static_cast<DataOffer*>(
+         g_hash_table_lookup(mActiveOffers, aPrimaryDataOffer));
+-    NS_ASSERTION(dataOffer, "We're missing primary data offer!");
++#ifdef MOZ_LOGGING
++    if (!dataOffer) {
++      LOGCLIP(("    We're missing stored primary data offer!\n"));
++    }
++#endif
+     if (dataOffer) {
+       g_hash_table_remove(mActiveOffers, aPrimaryDataOffer);
+       mPrimaryOffer = WrapUnique(dataOffer);
+@@ -514,12 +554,19 @@
+ 
+ void nsRetrievalContextWayland::AddDragAndDropDataOffer(
+     wl_data_offer* aDropDataOffer) {
++  LOGCLIP(("nsRetrievalContextWayland::AddDragAndDropDataOffer %p\n",
++           aDropDataOffer));
++
+   // Remove any existing D&D contexts.
+   mDragContext = nullptr;
+ 
+   WaylandDataOffer* dataOffer = static_cast<WaylandDataOffer*>(
+       g_hash_table_lookup(mActiveOffers, aDropDataOffer));
+-  NS_ASSERTION(dataOffer, "We're missing drag and drop data offer!");
++#ifdef MOZ_LOGGING
++  if (!dataOffer) {
++    LOGCLIP(("    We're missing stored Drag & Drop data offer!\n"));
++  }
++#endif
+   if (dataOffer) {
+     g_hash_table_remove(mActiveOffers, aDropDataOffer);
+     mDragContext = new nsWaylandDragContext(dataOffer, mDisplay->GetDisplay());
+@@ -531,6 +578,7 @@
+ }
+ 
+ void nsRetrievalContextWayland::ClearDragAndDropDataOffer(void) {
++  LOGCLIP(("nsRetrievalContextWayland::ClearDragAndDropDataOffer()\n"));
+   mDragContext = nullptr;
+ }
+ 
+@@ -539,7 +587,7 @@
+ static void data_device_data_offer(void* data,
+                                    struct wl_data_device* data_device,
+                                    struct wl_data_offer* offer) {
+-  LOGCLIP(("data_device_data_offer() callback\n"));
++  LOGCLIP(("data_device_data_offer(), wl_data_offer %p\n", offer));
+   nsRetrievalContextWayland* context =
+       static_cast<nsRetrievalContextWayland*>(data);
+   context->RegisterNewDataOffer(offer);
+@@ -549,7 +597,7 @@
+ static void data_device_selection(void* data,
+                                   struct wl_data_device* wl_data_device,
+                                   struct wl_data_offer* offer) {
+-  LOGCLIP(("data_device_selection() callback\n"));
++  LOGCLIP(("data_device_selection(), set wl_data_offer %p\n", offer));
+   nsRetrievalContextWayland* context =
+       static_cast<nsRetrievalContextWayland*>(data);
+   context->SetClipboardDataOffer(offer);
+@@ -650,7 +698,7 @@
+ static void primary_selection_data_offer(
+     void* data, struct gtk_primary_selection_device* primary_selection_device,
+     struct gtk_primary_selection_offer* primary_offer) {
+-  LOGCLIP(("primary_selection_data_offer() callback\n"));
++  LOGCLIP(("primary_selection_data_offer()\n"));
+   // create and add listener
+   nsRetrievalContextWayland* context =
+       static_cast<nsRetrievalContextWayland*>(data);
+@@ -661,7 +709,7 @@
+     void* data,
+     struct zwp_primary_selection_device_v1* primary_selection_device,
+     struct zwp_primary_selection_offer_v1* primary_offer) {
+-  LOGCLIP(("primary_selection_data_offer() callback\n"));
++  LOGCLIP(("primary_selection_data_offer()\n"));
+   // create and add listener
+   nsRetrievalContextWayland* context =
+       static_cast<nsRetrievalContextWayland*>(data);
+@@ -671,7 +719,7 @@
+ static void primary_selection_selection(
+     void* data, struct gtk_primary_selection_device* primary_selection_device,
+     struct gtk_primary_selection_offer* primary_offer) {
+-  LOGCLIP(("primary_selection_selection() callback\n"));
++  LOGCLIP(("primary_selection_selection()\n"));
+   nsRetrievalContextWayland* context =
+       static_cast<nsRetrievalContextWayland*>(data);
+   context->SetPrimaryDataOffer(primary_offer);
+@@ -681,7 +729,7 @@
+     void* data,
+     struct zwp_primary_selection_device_v1* primary_selection_device,
+     struct zwp_primary_selection_offer_v1* primary_offer) {
+-  LOGCLIP(("primary_selection_selection() callback\n"));
++  LOGCLIP(("primary_selection_selection()\n"));
+   nsRetrievalContextWayland* context =
+       static_cast<nsRetrievalContextWayland*>(data);
+   context->SetPrimaryDataOffer(primary_offer);
+@@ -803,17 +851,26 @@
+ 
+ void nsRetrievalContextWayland::TransferFastTrackClipboard(
+     int aClipboardRequestNumber, GtkSelectionData* aSelectionData) {
++  LOGCLIP(("nsRetrievalContextWayland::TransferFastTrackClipboard()\n"));
++
+   if (mClipboardRequestNumber == aClipboardRequestNumber) {
++    LOGCLIP(("    request number matches\n"));
+     int dataLength = gtk_selection_data_get_length(aSelectionData);
+-    if (dataLength > 0) {
+-      mClipboardDataLength = dataLength;
+-      mClipboardData = reinterpret_cast<char*>(
+-          g_malloc(sizeof(char) * (mClipboardDataLength + 1)));
+-      memcpy(mClipboardData, gtk_selection_data_get_data(aSelectionData),
+-             sizeof(char) * mClipboardDataLength);
+-      mClipboardData[mClipboardDataLength] = '\0';
++    if (!dataLength) {
++      LOGCLIP(
++          ("    gtk_selection_data_get_length() returned 0 data length!\n"));
++      return;
+     }
++    LOGCLIP(("    fastracking %d bytes of data.\n", dataLength));
++    mClipboardDataLength = dataLength;
++    mClipboardData = reinterpret_cast<char*>(
++        g_malloc(sizeof(char) * (mClipboardDataLength + 1)));
++    memcpy(mClipboardData, gtk_selection_data_get_data(aSelectionData),
++           sizeof(char) * mClipboardDataLength);
++    mClipboardData[mClipboardDataLength] = '\0';
++    LOGCLIP(("    done, mClipboardData = %p\n", mClipboardData));
+   } else {
++    LOGCLIP(("    request number does not match!\n"));
+     NS_WARNING("Received obsoleted clipboard data!");
+   }
+ }
+@@ -833,25 +890,29 @@
+    */
+   GdkAtom selection = GetSelectionAtom(aWhichClipboard);
+   if (gdk_selection_owner_get(selection)) {
+-    LOGCLIP(("  Internal clipboard content\n"));
++    LOGCLIP(("  Asking for internal clipboard content.\n"));
+     mClipboardRequestNumber++;
+     gtk_clipboard_request_contents(
+         gtk_clipboard_get(selection), gdk_atom_intern(aMimeType, FALSE),
+         wayland_clipboard_contents_received,
+         new FastTrackClipboard(mClipboardRequestNumber, this));
+   } else {
+-    LOGCLIP(("  Remote clipboard content\n"));
++    LOGCLIP(("  Asking for remote clipboard content.\n"));
+     const auto& dataOffer =
+         (selection == GDK_SELECTION_PRIMARY) ? mPrimaryOffer : mClipboardOffer;
+     if (!dataOffer) {
+       // Something went wrong. We're requested to provide clipboard data
+       // but we haven't got any from wayland.
+-      NS_WARNING("Requested data without valid DataOffer!");
++      LOGCLIP(("  We're missing dataOffer! mClipboardData = null\n"));
+       mClipboardData = nullptr;
+       mClipboardDataLength = 0;
+     } else {
++      LOGCLIP(
++          ("  Getting clipboard data from compositor, MIME %s\n", aMimeType));
+       mClipboardData = dataOffer->GetData(mDisplay->GetDisplay(), aMimeType,
+                                           &mClipboardDataLength);
++      LOGCLIP(("  Got %d bytes of data, mClipboardData = %p\n",
++               mClipboardDataLength, mClipboardData));
+     }
+   }
+ 
+@@ -861,25 +922,36 @@
+ 
+ const char* nsRetrievalContextWayland::GetClipboardText(
+     int32_t aWhichClipboard) {
+-  LOGCLIP(("nsRetrievalContextWayland::GetClipboardText [%p]\n", this));
++  GdkAtom selection = GetSelectionAtom(aWhichClipboard);
+ 
+-  GdkAtom selection = GetSelectionAtom(aWhichClipboard);
++  LOGCLIP(("nsRetrievalContextWayland::GetClipboardText [%p], clipboard %s\n",
++           this,
++           (selection == GDK_SELECTION_PRIMARY) ? "Primary" : "Selection"));
++
+   const auto& dataOffer =
+       (selection == GDK_SELECTION_PRIMARY) ? mPrimaryOffer : mClipboardOffer;
+-  if (!dataOffer) return nullptr;
++  if (!dataOffer) {
++    LOGCLIP(("  We're missing data offer!\n"));
++    return nullptr;
++  }
+ 
+   for (unsigned int i = 0; i < TEXT_MIME_TYPES_NUM; i++) {
+     if (dataOffer->HasTarget(sTextMimeTypes[i])) {
++      LOGCLIP(("  We have %s MIME type in clipboard, ask for it.\n",
++               sTextMimeTypes[i]));
+       uint32_t unused;
+       return GetClipboardData(sTextMimeTypes[i], aWhichClipboard, &unused);
+     }
+   }
++
++  LOGCLIP(("  There isn't text MIME type in clipboard!\n"));
+   return nullptr;
+ }
+ 
+ void nsRetrievalContextWayland::ReleaseClipboardData(
+     const char* aClipboardData) {
+-  LOGCLIP(("nsRetrievalContextWayland::ReleaseClipboardData [%p]\n", this));
++  LOGCLIP(("nsRetrievalContextWayland::ReleaseClipboardData [%p]\n",
++           aClipboardData));
+ 
+   NS_ASSERTION(aClipboardData == mClipboardData,
+                "Releasing unknown clipboard data!");
+