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unity-menubar.patch
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--- a/browser/components/places/content/places.xhtml
+++ b/browser/components/places/content/places.xhtml
@@ -186,7 +186,7 @@
onpopupshowing="document.getElementById('placeContent').focus()"
data-l10n-id="places-organize-button-mac"
#else
- <menubar id="placesMenu">
+ <menubar id="placesMenu" _moz-menubarkeeplocal="true">
<menu class="menu-iconic" data-l10n-id="places-organize-button"
#endif
id="organizeButton">
--- a/dom/xul/XULPopupElement.cpp
+++ b/dom/xul/XULPopupElement.cpp
@@ -238,6 +238,10 @@ void XULPopupElement::GetState(nsString&
// set this here in case there's no frame for the popup
aState.AssignLiteral("closed");
+#ifdef MOZ_WIDGET_GTK
+ nsAutoString nativeState;
+#endif
+
if (nsXULPopupManager* pm = nsXULPopupManager::GetInstance()) {
switch (pm->GetPopupState(this)) {
case ePopupShown:
@@ -260,6 +264,11 @@ void XULPopupElement::GetState(nsString&
break;
}
}
+#ifdef MOZ_WIDGET_GTK
+ else if (GetAttr(kNameSpaceID_None, nsGkAtoms::_moz_nativemenupopupstate, nativeState)) {
+ aState = nativeState;
+ }
+#endif
}
nsINode* XULPopupElement::GetTriggerNode() const {
--- a/dom/xul/moz.build
+++ b/dom/xul/moz.build
@@ -91,4 +91,9 @@ LOCAL_INCLUDES += [
include("/ipc/chromium/chromium-config.mozbuild")
+if CONFIG["MOZ_WIDGET_TOOLKIT"] == "gtk":
+ LOCAL_INCLUDES += [
+ "/widget/gtk",
+ ]
+
FINAL_LIBRARY = "xul"
--- a/layout/build/moz.build
+++ b/layout/build/moz.build
@@ -68,6 +68,10 @@ elif CONFIG["MOZ_WIDGET_TOOLKIT"] == "an
"/dom/system",
"/dom/system/android",
]
+elif CONFIG["MOZ_WIDGET_TOOLKIT"] == "gtk":
+ LOCAL_INCLUDES += [
+ "/widget/gtk",
+ ]
XPCOM_MANIFESTS += [
"components.conf",
--- a/modules/libpref/init/all.js
+++ b/modules/libpref/init/all.js
@@ -162,6 +162,9 @@ pref("dom.mouseevent.click.hack.use_lega
// Fastback caching - if this pref is negative, then we calculate the number
// of content viewers to cache based on the amount of available memory.
pref("browser.sessionhistory.max_total_viewers", -1);
+#ifdef MOZ_WIDGET_GTK
+pref("ui.use_unity_menubar", true);
+#endif
// See http://whatwg.org/specs/web-apps/current-work/#ping
pref("browser.send_pings", false);
--- a/toolkit/content/xul.css
+++ b/toolkit/content/xul.css
@@ -342,6 +342,13 @@ toolbox {
}
}
+@media (-moz-platform: linux) {
+*|*:root[shellshowingmenubar="true"]
+toolbar[type="menubar"]:not([customizing="true"]) {
+ display: none !important;
+}
+}
+
toolbarspring {
flex: 1000 1000;
}
--- a/widget/gtk/moz.build
+++ b/widget/gtk/moz.build
@@ -101,6 +101,15 @@ UNIFIED_SOURCES += [
SOURCES += [
"MediaKeysEventSourceFactory.cpp",
+ "nsDbusmenu.cpp",
+ "nsMenu.cpp", # conflicts with X11 headers
+ "nsMenuBar.cpp",
+ "nsMenuContainer.cpp",
+ "nsMenuItem.cpp",
+ "nsMenuObject.cpp",
+ "nsMenuSeparator.cpp",
+ "nsNativeMenuDocListener.cpp",
+ "nsNativeMenuService.cpp",
"nsNativeThemeGTK.cpp", # conflicts with X11 headers
"nsWindow.cpp", # conflicts with X11 headers
"WaylandVsyncSource.cpp", # conflicts with X11 headers
@@ -150,6 +159,7 @@ LOCAL_INCLUDES += [
"/layout/base",
"/layout/forms",
"/layout/generic",
+ "/layout/style",
"/layout/xul",
"/other-licenses/atk-1.0",
"/third_party/cups/include",
--- /dev/null
+++ b/widget/gtk/nsDbusmenu.cpp
@@ -0,0 +1,61 @@
+/* -*- 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 < std::size(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")
+#ifdef MOZ_WIDGET_GTK
+ LOAD_LIBRARY(DbusmenuGtk, "libdbusmenu-gtk3.so.4")
+#endif
+#undef LOAD_LIBRARY
+
+ return NS_OK;
+}
--- /dev/null
+++ b/widget/gtk/nsDbusmenu.h
@@ -0,0 +1,101 @@
+/* -*- 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:
+ nsDbusmenuFunctions() = delete;
+
+ 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__ */
--- /dev/null
+++ b/widget/gtk/nsMenu.cpp
@@ -0,0 +1,795 @@
+/* -*- 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/dom/Document.h"
+#include "mozilla/dom/Element.h"
+#include "mozilla/Assertions.h"
+#include "mozilla/ComputedStyleInlines.h"
+#include "mozilla/EventDispatcher.h"
+#include "mozilla/MouseEvents.h"
+#include "mozilla/PresShell.h"
+#include "mozilla/PresShellInlines.h"
+#include "nsComponentManagerUtils.h"
+#include "nsContentUtils.h"
+#include "nsCSSValue.h"
+#include "nsGkAtoms.h"
+#include "nsGtkUtils.h"
+#include "nsAtom.h"
+#include "nsIContent.h"
+#include "nsIRunnable.h"
+#include "nsITimer.h"
+#include "nsString.h"
+#include "nsStyleStruct.h"
+#include "nsThreadUtils.h"
+
+#include "nsNativeMenuDocListener.h"
+
+#include <glib-object.h>
+
+#include "nsMenu.h"
+
+using namespace mozilla;
+
+class nsMenuContentInsertedEvent : public Runnable
+{
+public:
+ nsMenuContentInsertedEvent(nsMenu *aMenu,
+ nsIContent *aContainer,
+ nsIContent *aChild,
+ nsIContent *aPrevSibling) :
+ Runnable("nsMenuContentInsertedEvent"),
+ mWeakMenu(aMenu),
+ mContainer(aContainer),
+ mChild(aChild),
+ mPrevSibling(aPrevSibling) { }
+
+ NS_IMETHODIMP Run()
+ {
+ if (!mWeakMenu) {
+ return NS_OK;
+ }
+
+ static_cast<nsMenu *>(mWeakMenu.get())->HandleContentInserted(mContainer,
+ mChild,
+ mPrevSibling);
+ return NS_OK;
+ }
+
+private:
+ nsWeakMenuObject mWeakMenu;
+
+ nsCOMPtr<nsIContent> mContainer;
+ nsCOMPtr<nsIContent> mChild;
+ nsCOMPtr<nsIContent> mPrevSibling;
+};
+
+class nsMenuContentRemovedEvent : public Runnable
+{
+public:
+ nsMenuContentRemovedEvent(nsMenu *aMenu,
+ nsIContent *aContainer,
+ nsIContent *aChild) :
+ Runnable("nsMenuContentRemovedEvent"),
+ mWeakMenu(aMenu),
+ mContainer(aContainer),
+ mChild(aChild) { }
+
+ NS_IMETHODIMP Run()
+ {
+ if (!mWeakMenu) {
+ return NS_OK;
+ }
+
+ static_cast<nsMenu *>(mWeakMenu.get())->HandleContentRemoved(mContainer,
+ mChild);
+ return NS_OK;
+ }
+
+private:
+ nsWeakMenuObject mWeakMenu;
+
+ nsCOMPtr<nsIContent> mContainer;
+ nsCOMPtr<nsIContent> mChild;
+};
+
+static void
+DispatchMouseEvent(nsIContent *aTarget, mozilla::EventMessage aMsg)
+{
+ if (!aTarget) {
+ return;
+ }
+
+ WidgetMouseEvent event(true, aMsg, nullptr, WidgetMouseEvent::eReal);
+ EventDispatcher::Dispatch(aTarget, nullptr, &event);
+}
+
+void
+nsMenu::SetPopupState(EPopupState aState)
+{
+ mPopupState = aState;
+
+ if (!mPopupContent) {
+ return;
+ }
+
+ nsAutoString state;
+ switch (aState) {
+ case ePopupState_Showing:
+ state.Assign(u"showing"_ns);
+ break;
+ case ePopupState_Open:
+ state.Assign(u"open"_ns);
+ break;
+ case ePopupState_Hiding:
+ state.Assign(u"hiding"_ns);
+ break;
+ default:
+ break;
+ }
+
+ if (state.IsEmpty()) {
+ mPopupContent->AsElement()->UnsetAttr(
+ kNameSpaceID_None, nsGkAtoms::_moz_nativemenupopupstate,
+ false);
+ } else {
+ mPopupContent->AsElement()->SetAttr(
+ kNameSpaceID_None, nsGkAtoms::_moz_nativemenupopupstate,
+ state, false);
+ }
+}
+
+/* static */ void
+nsMenu::DoOpenCallback(nsITimer *aTimer, void *aClosure)
+{
+ nsMenu* self = static_cast<nsMenu *>(aClosure);
+
+ dbusmenu_menuitem_show_to_user(self->GetNativeData(), 0);
+
+ self->mOpenDelayTimer = nullptr;
+}
+
+/* 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("closed"_ns)) {
+ self->OnClose();
+ return;
+ }
+
+ if (event.Equals("opened"_ns)) {
+ self->OnOpen();
+ return;
+ }
+}
+
+void
+nsMenu::MaybeAddPlaceholderItem()
+{
+ MOZ_ASSERT(!IsInBatchedUpdate(),
+ "Shouldn't be modifying the native menu structure now");
+
+ GList *children = dbusmenu_menuitem_get_children(GetNativeData());
+ if (!children) {
+ MOZ_ASSERT(!mPlaceholderItem);
+
+ mPlaceholderItem = dbusmenu_menuitem_new();
+ if (!mPlaceholderItem) {
+ return;
+ }
+
+ dbusmenu_menuitem_property_set_bool(mPlaceholderItem,
+ DBUSMENU_MENUITEM_PROP_VISIBLE,
+ false);
+
+ MOZ_ALWAYS_TRUE(
+ dbusmenu_menuitem_child_append(GetNativeData(), mPlaceholderItem));
+ }
+}
+
+void
+nsMenu::EnsureNoPlaceholderItem()
+{
+ MOZ_ASSERT(!IsInBatchedUpdate(),
+ "Shouldn't be modifying the native menu structure now");
+
+ if (!mPlaceholderItem) {
+ return;
+ }
+
+ MOZ_ALWAYS_TRUE(
+ dbusmenu_menuitem_child_delete(GetNativeData(), mPlaceholderItem));
+ MOZ_ASSERT(!dbusmenu_menuitem_get_children(GetNativeData()));
+
+ g_object_unref(mPlaceholderItem);
+ mPlaceholderItem = nullptr;
+}
+
+void
+nsMenu::OnOpen()
+{
+ if (mNeedsRebuild) {
+ Build();
+ }
+
+ nsWeakMenuObject self(this);
+ nsCOMPtr<nsIContent> origPopupContent(mPopupContent);
+ {
+ nsNativeMenuDocListener::BlockUpdatesScope updatesBlocker;
+
+ SetPopupState(ePopupState_Showing);
+ DispatchMouseEvent(mPopupContent, eXULPopupShowing);
+
+ ContentNode()->AsElement()->SetAttr(kNameSpaceID_None, nsGkAtoms::open,
+ u"true"_ns, true);
+ }
+
+ if (!self) {
+ // We were deleted!
+ return;
+ }
+
+ // I guess that the popup could have changed
+ if (origPopupContent != mPopupContent) {
+ return;
+ }
+
+ nsNativeMenuDocListener::BlockUpdatesScope updatesBlocker;
+
+ size_t count = ChildCount();
+ for (size_t i = 0; i < count; ++i) {
+ ChildAt(i)->ContainerIsOpening();
+ }
+
+ SetPopupState(ePopupState_Open);
+ DispatchMouseEvent(mPopupContent, eXULPopupShown);
+}
+
+void
+nsMenu::Build()
+{
+ mNeedsRebuild = 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_Deprecated(i);
+
+ UniquePtr<nsMenuObject> child = CreateChild(childContent);
+
+ if (!child) {
+ continue;
+ }
+
+ AppendChild(std::move(child));
+ }
+}
+
+void
+nsMenu::InitializePopup()
+{
+ nsCOMPtr<nsIContent> oldPopupContent;
+ oldPopupContent.swap(mPopupContent);
+
+ for (uint32_t i = 0; i < ContentNode()->GetChildCount(); ++i) {
+ nsIContent *child = ContentNode()->GetChildAt_Deprecated(i);
+
+ if (child->NodeInfo()->NameAtom() == nsGkAtoms::menupopup) {
+ mPopupContent = child;
+ break;
+ }
+ }
+
+ if (oldPopupContent == mPopupContent) {
+ return;
+ }
+
+ // The popup has changed
+
+ if (oldPopupContent) {
+ DocListener()->UnregisterForContentChanges(oldPopupContent);
+ }
+
+ SetPopupState(ePopupState_Closed);
+
+ if (!mPopupContent) {
+ return;
+ }
+
+ DocListener()->RegisterForContentChanges(mPopupContent, this);
+}
+
+void
+nsMenu::RemoveChildAt(size_t aIndex)
+{
+ MOZ_ASSERT(IsInBatchedUpdate() || !mPlaceholderItem,
+ "Shouldn't have a placeholder menuitem");
+
+ nsMenuContainer::RemoveChildAt(aIndex, !IsInBatchedUpdate());
+ StructureMutated();
+
+ if (!IsInBatchedUpdate()) {
+ MaybeAddPlaceholderItem();
+ }
+}
+
+void
+nsMenu::RemoveChild(nsIContent *aChild)
+{
+ size_t index = IndexOf(aChild);
+ if (index == NoIndex) {
+ return;
+ }
+
+ RemoveChildAt(index);
+}
+
+void
+nsMenu::InsertChildAfter(UniquePtr<nsMenuObject> aChild,
+ nsIContent *aPrevSibling)
+{
+ if (!IsInBatchedUpdate()) {
+ EnsureNoPlaceholderItem();
+ }
+
+ nsMenuContainer::InsertChildAfter(std::move(aChild), aPrevSibling,
+ !IsInBatchedUpdate());
+ StructureMutated();
+}
+
+void
+nsMenu::AppendChild(UniquePtr<nsMenuObject> aChild)
+{
+ if (!IsInBatchedUpdate()) {
+ EnsureNoPlaceholderItem();
+ }
+
+ nsMenuContainer::AppendChild(std::move(aChild), !IsInBatchedUpdate());
+ StructureMutated();
+}
+
+bool
+nsMenu::IsInBatchedUpdate() const
+{
+ return mBatchedUpdateState != eBatchedUpdateState_Inactive;
+}
+
+void
+nsMenu::StructureMutated()
+{
+ if (!IsInBatchedUpdate()) {
+ return;
+ }
+
+ mBatchedUpdateState = eBatchedUpdateState_DidMutate;
+}
+
+bool
+nsMenu::CanOpen() const
+{
+ bool isVisible = dbusmenu_menuitem_property_get_bool(GetNativeData(),
+ DBUSMENU_MENUITEM_PROP_VISIBLE);
+ bool isDisabled = ContentNode()->AsElement()->AttrValueIs(kNameSpaceID_None,
+ nsGkAtoms::disabled,
+ nsGkAtoms::_true,
+ eCaseMatters);
+
+ return (isVisible && !isDisabled);
+}
+
+void
+nsMenu::HandleContentInserted(nsIContent *aContainer,
+ nsIContent *aChild,
+ nsIContent *aPrevSibling)
+{
+ if (aContainer == mPopupContent) {
+ UniquePtr<nsMenuObject> child = CreateChild(aChild);
+
+ if (child) {
+ InsertChildAfter(std::move(child), aPrevSibling);
+ }
+ } else {
+ Build();
+ }
+}
+
+void
+nsMenu::HandleContentRemoved(nsIContent *aContainer, nsIContent *aChild)
+{
+ if (aContainer == mPopupContent) {
+ RemoveChild(aChild);
+ } else {
+ Build();
+ }
+}
+
+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);
+
+ mNeedsRebuild = true;
+ mNeedsUpdate = true;
+
+ MaybeAddPlaceholderItem();
+}
+
+void
+nsMenu::Update(const ComputedStyle *aComputedStyle)
+{
+ if (mNeedsUpdate) {
+ mNeedsUpdate = false;
+
+ UpdateLabel();
+ UpdateSensitivity();
+ }
+
+ UpdateVisibility(aComputedStyle);
+ UpdateIcon(aComputedStyle);
+}
+
+nsMenuObject::PropertyFlags
+nsMenu::SupportedProperties() const
+{
+ return static_cast<nsMenuObject::PropertyFlags>(
+ nsMenuObject::ePropLabel |
+ nsMenuObject::ePropEnabled |
+ nsMenuObject::ePropVisible |
+ nsMenuObject::ePropIconData |
+ nsMenuObject::ePropChildDisplay
+ );
+}
+
+void
+nsMenu::OnAttributeChanged(nsIContent *aContent, nsAtom *aAttribute)
+{
+ MOZ_ASSERT(aContent == ContentNode() || aContent == mPopupContent,
+ "Received an event that wasn't meant for us!");
+
+ if (mNeedsUpdate) {
+ return;
+ }
+
+ if (aContent != ContentNode()) {
+ return;
+ }
+
+ if (!Parent()->IsBeingDisplayed()) {
+ mNeedsUpdate = true;
+ return;
+ }
+
+ if (aAttribute == nsGkAtoms::disabled) {
+ UpdateSensitivity();
+ } else if (aAttribute == nsGkAtoms::label ||
+ aAttribute == nsGkAtoms::accesskey ||
+ aAttribute == nsGkAtoms::crop) {
+ UpdateLabel();
+ } else if (aAttribute == nsGkAtoms::hidden ||
+ aAttribute == nsGkAtoms::collapsed) {
+ RefPtr<const ComputedStyle> style = GetComputedStyle();
+ UpdateVisibility(style);
+ } else if (aAttribute == nsGkAtoms::image) {
+ RefPtr<const ComputedStyle> style = GetComputedStyle();
+ UpdateIcon(style);
+ }
+}
+
+void
+nsMenu::OnContentInserted(nsIContent *aContainer, nsIContent *aChild,
+ nsIContent *aPrevSibling)
+{
+ MOZ_ASSERT(aContainer == ContentNode() || aContainer == mPopupContent,
+ "Received an event that wasn't meant for us!");
+
+ if (mNeedsRebuild) {
+ return;
+ }
+
+ if (mPopupState == ePopupState_Closed) {
+ mNeedsRebuild = true;
+ return;
+ }
+
+ nsContentUtils::AddScriptRunner(
+ new nsMenuContentInsertedEvent(this, aContainer, aChild,
+ aPrevSibling));
+}
+
+void
+nsMenu::OnContentRemoved(nsIContent *aContainer, nsIContent *aChild)
+{
+ MOZ_ASSERT(aContainer == ContentNode() || aContainer == mPopupContent,
+ "Received an event that wasn't meant for us!");
+
+ if (mNeedsRebuild) {
+ return;
+ }
+
+ if (mPopupState == ePopupState_Closed) {
+ mNeedsRebuild = true;
+ return;
+ }
+
+ nsContentUtils::AddScriptRunner(
+ new nsMenuContentRemovedEvent(this, aContainer, aChild));
+}
+
+/*
+ * 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::OnBeginUpdates(nsIContent *aContent)
+{
+ MOZ_ASSERT(aContent == ContentNode() || aContent == mPopupContent,
+ "Received an event that wasn't meant for us!");
+ MOZ_ASSERT(!IsInBatchedUpdate(), "Already in an update batch!");
+
+ if (aContent != mPopupContent) {
+ return;
+ }
+
+ mBatchedUpdateState = eBatchedUpdateState_Active;
+}
+
+void
+nsMenu::OnEndUpdates()
+{
+ if (!IsInBatchedUpdate()) {
+ return;
+ }
+
+ bool didMutate = mBatchedUpdateState == eBatchedUpdateState_DidMutate;
+ mBatchedUpdateState = eBatchedUpdateState_Inactive;
+
+ /* Optimize for the case where we only had attribute changes */
+ if (!didMutate) {
+ return;
+ }
+
+ EnsureNoPlaceholderItem();
+
+ GList *nextNativeChild = dbusmenu_menuitem_get_children(GetNativeData());
+ DbusmenuMenuitem *nextOwnedNativeChild = nullptr;
+
+ size_t count = ChildCount();
+
+ // Find the first native menu item that is `owned` by a corresponding
+ // Gecko menuitem
+ for (size_t i = 0; i < count; ++i) {
+ if (ChildAt(i)->GetNativeData()) {
+ nextOwnedNativeChild = ChildAt(i)->GetNativeData();
+ break;
+ }
+ }
+
+ // Now iterate over all Gecko menuitems
+ for (size_t i = 0; i < count; ++i) {
+ nsMenuObject *child = ChildAt(i);
+
+ if (child->GetNativeData()) {
+ // This child already has a corresponding native menuitem.
+ // Remove all preceding orphaned native items. At this point, we
+ // modify the native menu structure.
+ while (nextNativeChild &&
+ nextNativeChild->data != nextOwnedNativeChild) {
+
+ DbusmenuMenuitem *data =
+ static_cast<DbusmenuMenuitem *>(nextNativeChild->data);
+ nextNativeChild = nextNativeChild->next;
+
+ MOZ_ALWAYS_TRUE(dbusmenu_menuitem_child_delete(GetNativeData(),
+ data));
+ }
+
+ if (nextNativeChild) {
+ nextNativeChild = nextNativeChild->next;
+ }
+
+ // Now find the next native menu item that is `owned`
+ nextOwnedNativeChild = nullptr;
+ for (size_t j = i + 1; j < count; ++j) {
+ if (ChildAt(j)->GetNativeData()) {
+ nextOwnedNativeChild = ChildAt(j)->GetNativeData();
+ break;
+ }
+ }
+ } else {
+ // This child is new, and doesn't have a native menu item. Find one!
+ if (nextNativeChild &&
+ nextNativeChild->data != nextOwnedNativeChild) {
+
+ DbusmenuMenuitem *data =
+ static_cast<DbusmenuMenuitem *>(nextNativeChild->data);
+
+ if (NS_SUCCEEDED(child->AdoptNativeData(data))) {
+ nextNativeChild = nextNativeChild->next;
+ }
+ }
+
+ // There wasn't a suitable one available, so create a new one.
+ // At this point, we modify the native menu structure.
+ if (!child->GetNativeData()) {
+ child->CreateNativeData();
+ MOZ_ALWAYS_TRUE(
+ dbusmenu_menuitem_child_add_position(GetNativeData(),
+ child->GetNativeData(),
+ i));
+ }
+ }
+ }
+
+ while (nextNativeChild) {
+ DbusmenuMenuitem *data =
+ static_cast<DbusmenuMenuitem *>(nextNativeChild->data);
+ nextNativeChild = nextNativeChild->next;
+
+ MOZ_ALWAYS_TRUE(dbusmenu_menuitem_child_delete(GetNativeData(), data));
+ }
+
+ MaybeAddPlaceholderItem();
+}
+
+nsMenu::nsMenu(nsMenuContainer *aParent, nsIContent *aContent) :
+ nsMenuContainer(aParent, aContent),
+ mNeedsRebuild(false),
+ mNeedsUpdate(false),
+ mPlaceholderItem(nullptr),
+ mPopupState(ePopupState_Closed),
+ mBatchedUpdateState(eBatchedUpdateState_Inactive)
+{
+ MOZ_COUNT_CTOR(nsMenu);
+}
+
+nsMenu::~nsMenu()
+{
+ if (IsInBatchedUpdate()) {
+ OnEndUpdates();
+ }
+
+ // 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);
+}
+
+nsMenuObject::EType
+nsMenu::Type() const
+{