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unity-menubar.patch
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Index: firefox-trunk-48.0~a1~hg20160424r294498/browser/base/content/browser-menubar.inc
===================================================================
--- firefox-trunk-48.0~a1~hg20160424r294498.orig/browser/base/content/browser-menubar.inc
+++ firefox-trunk-48.0~a1~hg20160424r294498/browser/base/content/browser-menubar.inc
@@ -5,7 +5,11 @@
<menubar id="main-menubar"
onpopupshowing="if (event.target.parentNode.parentNode == this &&
+#ifdef MOZ_WIDGET_GTK
+ document.documentElement.getAttribute('shellshowingmenubar') != 'true')
+#else
!('@mozilla.org/widget/nativemenuservice;1' in Cc))
+#endif
this.setAttribute('openedwithkey',
event.target.parentNode.openedWithKey);"
style="border:0px;padding:0px;margin:0px;-moz-appearance:none">
Index: firefox-trunk-48.0~a1~hg20160424r294498/browser/components/places/content/places.xul
===================================================================
--- firefox-trunk-48.0~a1~hg20160424r294498.orig/browser/components/places/content/places.xul
+++ firefox-trunk-48.0~a1~hg20160424r294498/browser/components/places/content/places.xul
@@ -157,7 +157,7 @@
<toolbarbutton type="menu" class="tabbable"
onpopupshowing="document.getElementById('placeContent').focus()"
#else
- <menubar id="placesMenu">
+ <menubar id="placesMenu" _moz-menubarkeeplocal="true">
<menu accesskey="&organize.accesskey;" class="menu-iconic"
#endif
id="organizeButton" label="&organize.label;"
Index: firefox-trunk-48.0~a1~hg20160424r294498/toolkit/content/widgets/popup.xml
===================================================================
--- firefox-trunk-48.0~a1~hg20160424r294498.orig/toolkit/content/widgets/popup.xml
+++ firefox-trunk-48.0~a1~hg20160424r294498/toolkit/content/widgets/popup.xml
@@ -25,8 +25,14 @@
</getter>
</property>
- <property name="state" readonly="true"
- onget="return this.popupBoxObject.popupState"/>
+ <property name="state" readonly="true">
+ <getter><![CDATA[
+ if (this.hasAttribute('_moz-menupopupstate'))
+ return this.getAttribute('_moz-menupopupstate');
+ else
+ return this.popupBoxObject.popupState;
+ ]]></getter>
+ </property>
<property name="triggerNode" readonly="true"
onget="return this.popupBoxObject.triggerNode"/>
Index: firefox-trunk-48.0~a1~hg20160424r294498/toolkit/content/xul.css
===================================================================
--- firefox-trunk-48.0~a1~hg20160424r294498.orig/toolkit/content/xul.css
+++ firefox-trunk-48.0~a1~hg20160424r294498/toolkit/content/xul.css
@@ -315,6 +315,18 @@ toolbar[type="menubar"][autohide="true"]
}
%endif
+%ifdef MOZ_WIDGET_GTK
+window[shellshowingmenubar="true"] menubar {
+ display: none !important;
+}
+
+window[shellshowingmenubar="true"]
+toolbar[type="menubar"]:not([customizing="true"]) {
+ min-height: 0 !important;
+ border: 0 !important;
+}
+%endif
+
toolbarseparator {
-moz-binding: url("chrome://global/content/bindings/toolbar.xml#toolbardecoration");
}
Index: firefox-trunk-48.0~a1~hg20160424r294498/widget/gtk/nsDbusmenu.cpp
===================================================================
--- /dev/null
+++ firefox-trunk-48.0~a1~hg20160424r294498/widget/gtk/nsDbusmenu.cpp
@@ -0,0 +1,63 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:expandtab:shiftwidth=4:tabstop=4:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsDbusmenu.h"
+#include "prlink.h"
+#include "mozilla/ArrayUtils.h"
+
+#define FUNC(name, type, params) \
+nsDbusmenuFunctions::_##name##_fn nsDbusmenuFunctions::s_##name;
+DBUSMENU_GLIB_FUNCTIONS
+DBUSMENU_GTK_FUNCTIONS
+#undef FUNC
+
+static PRLibrary *gDbusmenuGlib = nullptr;
+static PRLibrary *gDbusmenuGtk = nullptr;
+
+typedef void (*nsDbusmenuFunc)();
+struct nsDbusmenuDynamicFunction {
+ const char *functionName;
+ nsDbusmenuFunc *function;
+};
+
+/* static */ nsresult
+nsDbusmenuFunctions::Init()
+{
+#define FUNC(name, type, params) \
+ { #name, (nsDbusmenuFunc *)&nsDbusmenuFunctions::s_##name },
+ static const nsDbusmenuDynamicFunction kDbusmenuGlibSymbols[] = {
+ DBUSMENU_GLIB_FUNCTIONS
+ };
+ static const nsDbusmenuDynamicFunction kDbusmenuGtkSymbols[] = {
+ DBUSMENU_GTK_FUNCTIONS
+ };
+
+#define LOAD_LIBRARY(symbol, name) \
+ if (!g##symbol) { \
+ g##symbol = PR_LoadLibrary(name); \
+ if (!g##symbol) { \
+ return NS_ERROR_FAILURE; \
+ } \
+ } \
+ for (uint32_t i = 0; i < mozilla::ArrayLength(k##symbol##Symbols); ++i) { \
+ *k##symbol##Symbols[i].function = \
+ PR_FindFunctionSymbol(g##symbol, k##symbol##Symbols[i].functionName); \
+ if (!*k##symbol##Symbols[i].function) { \
+ return NS_ERROR_FAILURE; \
+ } \
+ }
+
+ LOAD_LIBRARY(DbusmenuGlib, "libdbusmenu-glib.so.4")
+#if (MOZ_WIDGET_GTK == 3)
+ LOAD_LIBRARY(DbusmenuGtk, "libdbusmenu-gtk3.so.4")
+#else
+ LOAD_LIBRARY(DbusmenuGtk, "libdbusmenu-gtk.so.4")
+#endif
+#undef LOAD_LIBRARY
+
+ return NS_OK;
+}
Index: firefox-trunk-48.0~a1~hg20160424r294498/widget/gtk/nsDbusmenu.h
===================================================================
--- /dev/null
+++ firefox-trunk-48.0~a1~hg20160424r294498/widget/gtk/nsDbusmenu.h
@@ -0,0 +1,99 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:expandtab:shiftwidth=4:tabstop=4:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef __nsDbusmenu_h__
+#define __nsDbusmenu_h__
+
+#include "nsError.h"
+
+#include <glib.h>
+#include <gdk/gdk.h>
+
+#define DBUSMENU_GLIB_FUNCTIONS \
+ FUNC(dbusmenu_menuitem_child_add_position, gboolean, (DbusmenuMenuitem *mi, DbusmenuMenuitem *child, guint position)) \
+ FUNC(dbusmenu_menuitem_child_append, gboolean, (DbusmenuMenuitem *mi, DbusmenuMenuitem *child)) \
+ FUNC(dbusmenu_menuitem_child_delete, gboolean, (DbusmenuMenuitem *mi, DbusmenuMenuitem *child)) \
+ FUNC(dbusmenu_menuitem_get_children, GList*, (DbusmenuMenuitem *mi)) \
+ FUNC(dbusmenu_menuitem_new, DbusmenuMenuitem*, (void)) \
+ FUNC(dbusmenu_menuitem_property_get, const gchar*, (DbusmenuMenuitem *mi, const gchar *property)) \
+ FUNC(dbusmenu_menuitem_property_get_bool, gboolean, (DbusmenuMenuitem *mi, const gchar *property)) \
+ FUNC(dbusmenu_menuitem_property_remove, void, (DbusmenuMenuitem *mi, const gchar *property)) \
+ FUNC(dbusmenu_menuitem_property_set, gboolean, (DbusmenuMenuitem *mi, const gchar *property, const gchar *value)) \
+ FUNC(dbusmenu_menuitem_property_set_bool, gboolean, (DbusmenuMenuitem *mi, const gchar *property, const gboolean value)) \
+ FUNC(dbusmenu_menuitem_property_set_int, gboolean, (DbusmenuMenuitem *mi, const gchar *property, const gint value)) \
+ FUNC(dbusmenu_menuitem_show_to_user, void, (DbusmenuMenuitem *mi, guint timestamp)) \
+ FUNC(dbusmenu_menuitem_take_children, GList*, (DbusmenuMenuitem *mi)) \
+ FUNC(dbusmenu_server_new, DbusmenuServer*, (const gchar *object)) \
+ FUNC(dbusmenu_server_set_root, void, (DbusmenuServer *server, DbusmenuMenuitem *root)) \
+ FUNC(dbusmenu_server_set_status, void, (DbusmenuServer *server, DbusmenuStatus status))
+
+#define DBUSMENU_GTK_FUNCTIONS \
+ FUNC(dbusmenu_menuitem_property_set_image, gboolean, (DbusmenuMenuitem *menuitem, const gchar *property, const GdkPixbuf *data)) \
+ FUNC(dbusmenu_menuitem_property_set_shortcut, gboolean, (DbusmenuMenuitem *menuitem, guint key, GdkModifierType modifier))
+
+typedef struct _DbusmenuMenuitem DbusmenuMenuitem;
+typedef struct _DbusmenuServer DbusmenuServer;
+
+enum DbusmenuStatus {
+ DBUSMENU_STATUS_NORMAL,
+ DBUSMENU_STATUS_NOTICE
+};
+
+#define DBUSMENU_MENUITEM_CHILD_DISPLAY_SUBMENU "submenu"
+#define DBUSMENU_MENUITEM_PROP_CHILD_DISPLAY "children-display"
+#define DBUSMENU_MENUITEM_PROP_ENABLED "enabled"
+#define DBUSMENU_MENUITEM_PROP_ICON_DATA "icon-data"
+#define DBUSMENU_MENUITEM_PROP_LABEL "label"
+#define DBUSMENU_MENUITEM_PROP_SHORTCUT "shortcut"
+#define DBUSMENU_MENUITEM_PROP_TYPE "type"
+#define DBUSMENU_MENUITEM_PROP_TOGGLE_STATE "toggle-state"
+#define DBUSMENU_MENUITEM_PROP_TOGGLE_TYPE "toggle-type"
+#define DBUSMENU_MENUITEM_PROP_VISIBLE "visible"
+#define DBUSMENU_MENUITEM_SIGNAL_ABOUT_TO_SHOW "about-to-show"
+#define DBUSMENU_MENUITEM_SIGNAL_EVENT "event"
+#define DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED "item-activated"
+#define DBUSMENU_MENUITEM_TOGGLE_CHECK "checkmark"
+#define DBUSMENU_MENUITEM_TOGGLE_RADIO "radio"
+#define DBUSMENU_MENUITEM_TOGGLE_STATE_CHECKED 1
+#define DBUSMENU_MENUITEM_TOGGLE_STATE_UNCHECKED 0
+#define DBUSMENU_SERVER_PROP_DBUS_OBJECT "dbus-object"
+
+class nsDbusmenuFunctions
+{
+public:
+ static nsresult Init();
+
+#define FUNC(name, type, params) \
+ typedef type (*_##name##_fn) params; \
+ static _##name##_fn s_##name;
+ DBUSMENU_GLIB_FUNCTIONS
+ DBUSMENU_GTK_FUNCTIONS
+#undef FUNC
+
+};
+
+#define dbusmenu_menuitem_child_add_position nsDbusmenuFunctions::s_dbusmenu_menuitem_child_add_position
+#define dbusmenu_menuitem_child_append nsDbusmenuFunctions::s_dbusmenu_menuitem_child_append
+#define dbusmenu_menuitem_child_delete nsDbusmenuFunctions::s_dbusmenu_menuitem_child_delete
+#define dbusmenu_menuitem_get_children nsDbusmenuFunctions::s_dbusmenu_menuitem_get_children
+#define dbusmenu_menuitem_new nsDbusmenuFunctions::s_dbusmenu_menuitem_new
+#define dbusmenu_menuitem_property_get nsDbusmenuFunctions::s_dbusmenu_menuitem_property_get
+#define dbusmenu_menuitem_property_get_bool nsDbusmenuFunctions::s_dbusmenu_menuitem_property_get_bool
+#define dbusmenu_menuitem_property_remove nsDbusmenuFunctions::s_dbusmenu_menuitem_property_remove
+#define dbusmenu_menuitem_property_set nsDbusmenuFunctions::s_dbusmenu_menuitem_property_set
+#define dbusmenu_menuitem_property_set_bool nsDbusmenuFunctions::s_dbusmenu_menuitem_property_set_bool
+#define dbusmenu_menuitem_property_set_int nsDbusmenuFunctions::s_dbusmenu_menuitem_property_set_int
+#define dbusmenu_menuitem_show_to_user nsDbusmenuFunctions::s_dbusmenu_menuitem_show_to_user
+#define dbusmenu_menuitem_take_children nsDbusmenuFunctions::s_dbusmenu_menuitem_take_children
+#define dbusmenu_server_new nsDbusmenuFunctions::s_dbusmenu_server_new
+#define dbusmenu_server_set_root nsDbusmenuFunctions::s_dbusmenu_server_set_root
+#define dbusmenu_server_set_status nsDbusmenuFunctions::s_dbusmenu_server_set_status
+
+#define dbusmenu_menuitem_property_set_image nsDbusmenuFunctions::s_dbusmenu_menuitem_property_set_image
+#define dbusmenu_menuitem_property_set_shortcut nsDbusmenuFunctions::s_dbusmenu_menuitem_property_set_shortcut
+
+#endif /* __nsDbusmenu_h__ */
Index: firefox-trunk-48.0~a1~hg20160424r294498/widget/gtk/nsMenu.cpp
===================================================================
--- /dev/null
+++ firefox-trunk-48.0~a1~hg20160424r294498/widget/gtk/nsMenu.cpp
@@ -0,0 +1,867 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:expandtab:shiftwidth=4:tabstop=4:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#define _IMPL_NS_LAYOUT
+
+#include "mozilla/GuardObjects.h"
+#include "mozilla/MouseEvents.h"
+#include "mozilla/StyleSetHandleInlines.h"
+#include "nsAutoPtr.h"
+#include "nsBindingManager.h"
+#include "nsComponentManagerUtils.h"
+#include "nsContentUtils.h"
+#include "nsCSSValue.h"
+#include "nsGkAtoms.h"
+#include "nsGtkUtils.h"
+#include "nsIAtom.h"
+#include "nsIContent.h"
+#include "nsIDocument.h"
+#include "nsIPresShell.h"
+#include "nsIRunnable.h"
+#include "nsITimer.h"
+#include "nsString.h"
+#include "nsStyleContext.h"
+#include "nsStyleSet.h"
+#include "nsStyleStruct.h"
+#include "nsXBLBinding.h"
+#include "nsXBLService.h"
+
+#include "nsNativeMenuAtoms.h"
+#include "nsNativeMenuDocListener.h"
+
+#include <glib-object.h>
+
+#include "nsMenu.h"
+
+using namespace mozilla;
+
+class MOZ_STACK_CLASS nsMenuUpdateBatch
+{
+public:
+ nsMenuUpdateBatch(nsMenu *aMenu MOZ_GUARD_OBJECT_NOTIFIER_PARAM) :
+ mMenu(aMenu)
+ {
+ MOZ_GUARD_OBJECT_NOTIFIER_INIT;
+ mMenu->BeginUpdateBatchInternal();
+ }
+
+ ~nsMenuUpdateBatch()
+ {
+ mMenu->EndUpdateBatch();
+ }
+
+private:
+ MOZ_DECL_USE_GUARD_OBJECT_NOTIFIER
+ nsMenu *mMenu;
+};
+
+class nsSetAttrRunnableNoNotify : public nsRunnable
+{
+public:
+ nsSetAttrRunnableNoNotify(nsIContent *aContent, nsIAtom *aAttribute,
+ nsAString& aValue) :
+ mContent(aContent), mAttribute(aAttribute), mValue(aValue) { };
+
+ NS_IMETHODIMP Run()
+ {
+ return mContent->SetAttr(kNameSpaceID_None, mAttribute, mValue, false);
+ }
+
+private:
+ nsCOMPtr<nsIContent> mContent;
+ nsCOMPtr<nsIAtom> mAttribute;
+ nsAutoString mValue;
+};
+
+class nsUnsetAttrRunnableNoNotify : public nsRunnable
+{
+public:
+ nsUnsetAttrRunnableNoNotify(nsIContent *aContent, nsIAtom *aAttribute) :
+ mContent(aContent), mAttribute(aAttribute) { };
+
+ NS_IMETHODIMP Run()
+ {
+ return mContent->UnsetAttr(kNameSpaceID_None, mAttribute, false);
+ }
+
+private:
+ nsCOMPtr<nsIContent> mContent;
+ nsCOMPtr<nsIAtom> mAttribute;
+};
+
+static void
+AttachXBLBindings(nsIContent *aContent)
+{
+ nsIDocument *doc = aContent->OwnerDoc();
+ nsIPresShell *shell = doc->GetShell();
+ if (!shell) {
+ return;
+ }
+
+ RefPtr<nsStyleContext> sc =
+ shell->StyleSet()->ResolveStyleFor(aContent->AsElement(),
+ nullptr);
+ if (!sc) {
+ return;
+ }
+
+ const nsStyleDisplay* display = sc->StyleDisplay();
+ if (!display->mBinding) {
+ return;
+ }
+
+ nsXBLService* xbl = nsXBLService::GetInstance();
+ if (!xbl) {
+ return;
+ }
+
+ RefPtr<nsXBLBinding> binding;
+ bool dummy;
+ nsresult rv = xbl->LoadBindings(aContent, display->mBinding->GetURI(),
+ display->mBinding->mOriginPrincipal,
+ getter_AddRefs(binding), &dummy);
+ if ((NS_FAILED(rv) && rv != NS_ERROR_XBL_BLOCKED) || !binding) {
+ return;
+ }
+
+ doc->BindingManager()->AddToAttachedQueue(binding);
+}
+
+void
+nsMenu::SetPopupState(EPopupState aState)
+{
+ ClearFlags(((1U << NSMENU_NUMBER_OF_POPUPSTATE_BITS) - 1U) << NSMENU_NUMBER_OF_FLAGS);
+ SetFlags(aState << NSMENU_NUMBER_OF_FLAGS);
+
+ if (!mPopupContent) {
+ return;
+ }
+
+ nsAutoString state;
+ switch (aState) {
+ case ePopupState_Showing:
+ state.Assign(NS_LITERAL_STRING("showing"));
+ break;
+ case ePopupState_Open:
+ state.Assign(NS_LITERAL_STRING("open"));
+ break;
+ case ePopupState_Hiding:
+ state.Assign(NS_LITERAL_STRING("hiding"));
+ break;
+ default:
+ break;
+ }
+
+ if (nsContentUtils::IsSafeToRunScript()) {
+ if (state.IsEmpty()) {
+ mPopupContent->UnsetAttr(kNameSpaceID_None,
+ nsNativeMenuAtoms::_moz_menupopupstate,
+ false);
+ } else {
+ mPopupContent->SetAttr(kNameSpaceID_None,
+ nsNativeMenuAtoms::_moz_menupopupstate,
+ state, false);
+ }
+ } else {
+ nsCOMPtr<nsIRunnable> r;
+ if (state.IsEmpty()) {
+ r = new nsUnsetAttrRunnableNoNotify(
+ mPopupContent, nsNativeMenuAtoms::_moz_menupopupstate);
+ } else {
+ r = new nsSetAttrRunnableNoNotify(
+ mPopupContent, nsNativeMenuAtoms::_moz_menupopupstate,
+ state);
+ }
+ nsContentUtils::AddScriptRunner(r);
+ }
+}
+
+/* static */ void
+nsMenu::menu_event_cb(DbusmenuMenuitem *menu,
+ const gchar *name,
+ GVariant *value,
+ guint timestamp,
+ gpointer user_data)
+{
+ nsMenu *self = static_cast<nsMenu *>(user_data);
+
+ nsAutoCString event(name);
+
+ if (event.Equals(NS_LITERAL_CSTRING("closed"))) {
+ self->OnClose();
+ return;
+ }
+
+ if (event.Equals(NS_LITERAL_CSTRING("opened"))) {
+ self->OnOpen();
+ return;
+ }
+}
+
+void
+nsMenu::MaybeAddPlaceholderItem()
+{
+ NS_ASSERTION(!IsInUpdateBatch(),
+ "Shouldn't be modifying the native menu structure now");
+
+ GList *children = dbusmenu_menuitem_get_children(GetNativeData());
+ if (!children) {
+ NS_ASSERTION(!HasPlaceholderItem(), "Huh?");
+
+ DbusmenuMenuitem *ph = dbusmenu_menuitem_new();
+ if (!ph) {
+ return;
+ }
+
+ dbusmenu_menuitem_property_set_bool(
+ ph, DBUSMENU_MENUITEM_PROP_VISIBLE, false);
+
+ if (!dbusmenu_menuitem_child_append(GetNativeData(), ph)) {
+ NS_WARNING("Failed to create placeholder item");
+ g_object_unref(ph);
+ return;
+ }
+
+ g_object_unref(ph);
+
+ SetHasPlaceholderItem(true);
+ }
+}
+
+bool
+nsMenu::EnsureNoPlaceholderItem()
+{
+ NS_ASSERTION(!IsInUpdateBatch(),
+ "Shouldn't be modifying the native menu structure now");
+
+ if (HasPlaceholderItem()) {
+ GList *children = dbusmenu_menuitem_get_children(GetNativeData());
+
+ NS_ASSERTION(g_list_length(children) == 1,
+ "Unexpected number of children in native menu (should be 1!)");
+
+ SetHasPlaceholderItem(false);
+
+ if (!children) {
+ return true;
+ }
+
+ if (!dbusmenu_menuitem_child_delete(
+ GetNativeData(), static_cast<DbusmenuMenuitem *>(children->data))) {
+ NS_ERROR("Failed to remove placeholder item");
+ return false;
+ }
+ }
+
+ return true;
+}
+
+static void
+DispatchMouseEvent(nsIContent *aTarget, mozilla::EventMessage aMsg)
+{
+ if (!aTarget) {
+ return;
+ }
+
+ WidgetMouseEvent event(true, aMsg, nullptr, WidgetMouseEvent::eReal);
+ aTarget->DispatchDOMEvent(&event, nullptr, nullptr, nullptr);
+}
+
+void
+nsMenu::OnOpen()
+{
+ if (NeedsRebuild()) {
+ Build();
+ }
+
+ nsWeakMenuObject<nsMenu> self(this);
+ nsCOMPtr<nsIContent> origPopupContent(mPopupContent);
+ {
+ nsNativeMenuAutoUpdateBatch batch;
+
+ SetPopupState(ePopupState_Showing);
+ DispatchMouseEvent(mPopupContent, eXULPopupShowing);
+
+ ContentNode()->SetAttr(kNameSpaceID_None, nsGkAtoms::open,
+ NS_LITERAL_STRING("true"), true);
+ }
+
+ if (!self) {
+ // We were deleted!
+ return;
+ }
+
+ // I guess that the popup could have changed
+ if (origPopupContent != mPopupContent) {
+ return;
+ }
+
+ nsNativeMenuAutoUpdateBatch batch;
+
+ size_t count = ChildCount();
+ for (size_t i = 0; i < count; ++i) {
+ ChildAt(i)->ContainerIsOpening();
+ }
+
+ SetPopupState(ePopupState_Open);
+ DispatchMouseEvent(mPopupContent, eXULPopupShown);
+}
+
+void
+nsMenu::Build()
+{
+ nsMenuUpdateBatch batch(this);
+
+ SetNeedsRebuild(false);
+
+ while (ChildCount() > 0) {
+ RemoveChildAt(0);
+ }
+
+ InitializePopup();
+
+ if (!mPopupContent) {
+ return;
+ }
+
+ uint32_t count = mPopupContent->GetChildCount();
+ for (uint32_t i = 0; i < count; ++i) {
+ nsIContent *childContent = mPopupContent->GetChildAt(i);
+
+ nsresult rv;
+ nsMenuObject *child = CreateChild(childContent, &rv);
+
+ if (child) {
+ rv = AppendChild(child);
+ }
+
+ if (NS_FAILED(rv)) {
+ NS_ERROR("Menu build failed");
+ SetNeedsRebuild(true);
+ return;
+ }
+ }
+}
+
+void
+nsMenu::InitializeNativeData()
+{
+ // Dbusmenu provides an "about-to-show" signal, and also "opened" and
+ // "closed" events. However, Unity is the only thing that sends
+ // both "about-to-show" and "opened" events. Unity 2D and the HUD only
+ // send "opened" events, so we ignore "about-to-show" (I don't think
+ // there's any real difference between them anyway).
+ // To complicate things, there are certain conditions where we don't
+ // get a "closed" event, so we need to be able to handle this :/
+ g_signal_connect(G_OBJECT(GetNativeData()), "event",
+ G_CALLBACK(menu_event_cb), this);
+
+ UpdateLabel();
+ UpdateSensitivity();
+
+ SetNeedsRebuild(true);
+ MaybeAddPlaceholderItem();
+
+ AttachXBLBindings(ContentNode());
+}
+
+void
+nsMenu::Update(nsStyleContext *aStyleContext)
+{
+ UpdateVisibility(aStyleContext);
+ UpdateIcon(aStyleContext);
+}
+
+void
+nsMenu::InitializePopup()
+{
+ nsCOMPtr<nsIContent> oldPopupContent;
+ oldPopupContent.swap(mPopupContent);
+
+ for (uint32_t i = 0; i < ContentNode()->GetChildCount(); ++i) {
+ nsIContent *child = ContentNode()->GetChildAt(i);
+
+ int32_t dummy;
+ nsCOMPtr<nsIAtom> tag = child->OwnerDoc()->BindingManager()->ResolveTag(child, &dummy);
+ if (tag == nsGkAtoms::menupopup) {
+ mPopupContent = child;
+ break;
+ }
+ }
+
+ if (oldPopupContent == mPopupContent) {
+ return;
+ }
+
+ // The popup has changed
+
+ if (oldPopupContent) {
+ DocListener()->UnregisterForContentChanges(oldPopupContent);
+ }
+
+ SetPopupState(ePopupState_Closed);
+
+ if (!mPopupContent) {
+ return;
+ }
+
+ AttachXBLBindings(mPopupContent);
+
+ DocListener()->RegisterForContentChanges(mPopupContent, this);
+}
+
+void
+nsMenu::BeginUpdateBatchInternal()
+{
+ NS_ASSERTION(!IsInUpdateBatch(), "Already in an update batch!");
+
+ SetIsInUpdateBatch(true);
+ SetDidStructureMutate(false);
+}
+
+nsresult
+nsMenu::RemoveChildAt(size_t aIndex)
+{
+ NS_ASSERTION(IsInUpdateBatch() || !HasPlaceholderItem(),
+ "Shouldn't have a placeholder menuitem");
+
+ SetDidStructureMutate(true);
+
+ nsresult rv = nsMenuContainer::RemoveChildAt(aIndex, !IsInUpdateBatch());
+
+ if (!IsInUpdateBatch()) {
+ MaybeAddPlaceholderItem();
+ }
+
+ return rv;
+}
+
+nsresult
+nsMenu::RemoveChild(nsIContent *aChild)
+{
+ size_t index = IndexOf(aChild);
+ if (index == NoIndex) {
+ return NS_ERROR_INVALID_ARG;
+ }
+
+ return RemoveChildAt(index);
+}
+
+nsresult
+nsMenu::InsertChildAfter(nsMenuObject *aChild, nsIContent *aPrevSibling)
+{
+ if (!IsInUpdateBatch() && !EnsureNoPlaceholderItem()) {
+ return NS_ERROR_FAILURE;
+ }
+
+ SetDidStructureMutate(true);
+
+ return nsMenuContainer::InsertChildAfter(aChild, aPrevSibling,
+ !IsInUpdateBatch());
+}
+
+nsresult
+nsMenu::AppendChild(nsMenuObject *aChild)
+{
+ if (!IsInUpdateBatch() && !EnsureNoPlaceholderItem()) {
+ return NS_ERROR_FAILURE;
+ }
+
+ SetDidStructureMutate(true);
+
+ return nsMenuContainer::AppendChild(aChild, !IsInUpdateBatch());
+}
+
+bool
+nsMenu::CanOpen() const
+{
+ bool isVisible = dbusmenu_menuitem_property_get_bool(GetNativeData(),
+ DBUSMENU_MENUITEM_PROP_VISIBLE);
+ bool isDisabled = ContentNode()->AttrValueIs(kNameSpaceID_None,
+ nsGkAtoms::disabled,
+ nsGkAtoms::_true,
+ eCaseMatters);
+
+ return (isVisible && !isDisabled);
+}
+
+nsMenuObject::PropertyFlags
+nsMenu::SupportedProperties() const
+{
+ return static_cast<nsMenuObject::PropertyFlags>(
+ nsMenuObject::ePropLabel |
+ nsMenuObject::ePropEnabled |
+ nsMenuObject::ePropVisible |
+ nsMenuObject::ePropIconData |
+ nsMenuObject::ePropChildDisplay
+ );
+}
+
+nsMenu::nsMenu() :
+ nsMenuContainer()
+{
+ MOZ_COUNT_CTOR(nsMenu);
+}
+
+nsMenu::~nsMenu()
+{
+ if (IsInUpdateBatch()) {
+ EndUpdateBatch();
+ }
+
+ // Although nsTArray will take care of this in its destructor,
+ // we have to manually ensure children are removed from our native menu
+ // item, just in case our parent recycles us
+ while (ChildCount() > 0) {
+ RemoveChildAt(0);
+ }
+
+ EnsureNoPlaceholderItem();
+
+ if (DocListener() && mPopupContent) {
+ DocListener()->UnregisterForContentChanges(mPopupContent);
+ }
+
+ if (GetNativeData()) {
+ g_signal_handlers_disconnect_by_func(GetNativeData(),
+ FuncToGpointer(menu_event_cb),
+ this);
+ }
+
+ MOZ_COUNT_DTOR(nsMenu);
+}
+
+/* static */ nsMenuObject*
+nsMenu::Create(nsMenuContainer *aParent, nsIContent *aContent)
+{
+ nsAutoPtr<nsMenu> menu(new nsMenu());
+ if (NS_FAILED(menu->Init(aParent, aContent))) {
+ return nullptr;
+ }
+
+ return menu.forget();
+}
+
+static void
+DoOpen(nsITimer *aTimer, void *aClosure)
+{
+ nsAutoWeakMenuObject<nsMenu> weakMenu(
+ static_cast<nsWeakMenuObject<nsMenu> *>(aClosure));
+
+ if (weakMenu) {
+ dbusmenu_menuitem_show_to_user(weakMenu->GetNativeData(), 0);
+ }
+
+ NS_RELEASE(aTimer);
+}
+
+nsMenuObject::EType
+nsMenu::Type() const
+{
+ return nsMenuObject::eType_Menu;
+}
+
+bool
+nsMenu::IsBeingDisplayed() const
+{
+ return PopupState() == ePopupState_Open;
+}
+
+bool
+nsMenu::NeedsRebuild() const
+{
+ return HasFlags(eFlag_NeedsRebuild);
+}
+
+void
+nsMenu::OpenMenu()
+{
+ if (!CanOpen()) {
+ return;
+ }
+
+ // Here, we synchronously fire popupshowing and popupshown events and then
+ // open the menu after a short delay. This allows the menu to refresh before
+ // it's shown, and avoids an issue where keyboard focus is not on the first
+ // item of the history menu in Firefox when opening it with the keyboard,
+ // because extra items to appear at the top of the menu
+
+ OnOpen();
+
+ nsCOMPtr<nsITimer> timer = do_CreateInstance(NS_TIMER_CONTRACTID);
+ if (!timer) {
+ return;
+ }
+
+ nsAutoWeakMenuObject<nsMenu> weakMenu(this);
+
+ if (NS_FAILED(timer->InitWithFuncCallback(DoOpen, weakMenu.getWeakPtr(),
+ 100, nsITimer::TYPE_ONE_SHOT))) {
+ return;
+ }
+
+ timer.forget();
+ weakMenu.forget();
+}
+
+void
+nsMenu::OnClose()
+{
+ if (PopupState() == ePopupState_Closed) {
+ return;
+ }
+
+ // We do this to avoid mutating our view of the menu until
+ // after we have finished
+ nsNativeMenuAutoUpdateBatch batch;
+
+ SetPopupState(ePopupState_Hiding);
+ DispatchMouseEvent(mPopupContent, eXULPopupHiding);
+
+ // Sigh, make sure all of our descendants are closed, as we don't
+ // always get closed events for submenus when scrubbing quickly through
+ // the menu
+ size_t count = ChildCount();
+ for (size_t i = 0; i < count; ++i) {
+ if (ChildAt(i)->Type() == nsMenuObject::eType_Menu) {
+ static_cast<nsMenu *>(ChildAt(i))->OnClose();
+ }
+ }
+
+ SetPopupState(ePopupState_Closed);
+ DispatchMouseEvent(mPopupContent, eXULPopupHidden);
+
+ ContentNode()->UnsetAttr(kNameSpaceID_None, nsGkAtoms::open, true);
+}
+
+void
+nsMenu::OnAttributeChanged(nsIContent *aContent, nsIAtom *aAttribute)
+{
+ NS_ASSERTION(aContent == ContentNode() || aContent == mPopupContent,
+ "Received an event that wasn't meant for us!");
+
+ if (aAttribute == nsGkAtoms::open) {
+ return;
+ }
+
+ if (Parent()->NeedsRebuild()) {
+ return;
+ }
+
+ if (aContent == ContentNode()) {
+ if (aAttribute == nsGkAtoms::disabled) {
+ UpdateSensitivity();
+ } else if (aAttribute == nsGkAtoms::label ||
+ aAttribute == nsGkAtoms::accesskey ||
+ aAttribute == nsGkAtoms::crop) {
+ UpdateLabel();
+ }
+ }
+
+ if (!Parent()->IsBeingDisplayed() || aContent != ContentNode()) {
+ return;
+ }
+
+ if (aAttribute == nsGkAtoms::hidden ||
+ aAttribute == nsGkAtoms::collapsed) {
+ RefPtr<nsStyleContext> sc = GetStyleContext();
+ UpdateVisibility(sc);
+ } else if (aAttribute == nsGkAtoms::image) {
+ RefPtr<nsStyleContext> sc = GetStyleContext();
+ UpdateIcon(sc);
+ }
+}
+
+void
+nsMenu::OnContentInserted(nsIContent *aContainer, nsIContent *aChild,
+ nsIContent *aPrevSibling)
+{
+ NS_ASSERTION(aContainer == ContentNode() || aContainer == mPopupContent,
+ "Received an event that wasn't meant for us!");
+
+ if (NeedsRebuild()) {
+ return;
+ }
+
+ if (PopupState() == ePopupState_Closed) {
+ SetNeedsRebuild(true);
+ return;
+ }
+
+ if (aContainer == mPopupContent) {
+ nsresult rv;
+ nsMenuObject *child = CreateChild(aChild, &rv);
+
+ if (child) {
+ rv = InsertChildAfter(child, aPrevSibling);
+ }
+ if (NS_FAILED(rv)) {
+ NS_ERROR("OnContentInserted() failed");
+ SetNeedsRebuild(true);
+ }
+ } else {
+ Build();
+ }
+}
+
+void
+nsMenu::OnContentRemoved(nsIContent *aContainer, nsIContent *aChild)
+{
+ NS_ASSERTION(aContainer == ContentNode() || aContainer == mPopupContent,
+ "Received an event that wasn't meant for us!");
+
+ if (NeedsRebuild()) {
+ return;
+ }
+
+ if (PopupState() == ePopupState_Closed) {
+ SetNeedsRebuild(true);
+ return;
+ }
+
+ if (aContainer == mPopupContent) {
+ if (NS_FAILED(RemoveChild(aChild))) {
+ NS_ERROR("OnContentRemoved() failed");
+ SetNeedsRebuild(true);
+ }
+ } else {
+ Build();
+ }
+}
+
+/*
+ * Some menus (eg, the History menu in Firefox) refresh themselves on
+ * opening by removing all children and then re-adding new ones. As this
+ * happens whilst the menu is opening in Unity, it causes some flickering
+ * as the menu popup is resized multiple times. To avoid this, we try to
+ * reuse native menu items when the menu structure changes during a
+ * batched update. If we can handle menu structure changes from Gecko
+ * just by updating properties of native menu items (rather than destroying
+ * and creating new ones), then we eliminate any flickering that occurs as
+ * the menu is opened. To do this, we don't modify any native menu items
+ * until the end of the update batch.
+ */
+
+void
+nsMenu::BeginUpdateBatch(nsIContent *aContent)