зеркало из https://github.com/mozilla/gecko-dev.git
254 строки
8.1 KiB
C++
254 строки
8.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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 <sys/types.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
#include <gdk/gdk.h>
|
|
#include "nsAppShell.h"
|
|
#include "nsWindow.h"
|
|
#include "mozilla/Logging.h"
|
|
#include "prenv.h"
|
|
#include "mozilla/BackgroundHangMonitor.h"
|
|
#include "mozilla/Hal.h"
|
|
#include "mozilla/Unused.h"
|
|
#include "mozilla/WidgetUtils.h"
|
|
#include "GeckoProfiler.h"
|
|
#include "nsIPowerManagerService.h"
|
|
#ifdef MOZ_ENABLE_DBUS
|
|
# include "WakeLockListener.h"
|
|
#endif
|
|
#include "gfxPlatform.h"
|
|
#include "ScreenHelperGTK.h"
|
|
#include "HeadlessScreenHelper.h"
|
|
#include "mozilla/widget/ScreenManager.h"
|
|
#ifdef MOZ_WAYLAND
|
|
# include "nsWaylandDisplay.h"
|
|
#endif
|
|
|
|
using mozilla::LazyLogModule;
|
|
using mozilla::Unused;
|
|
using mozilla::widget::HeadlessScreenHelper;
|
|
using mozilla::widget::ScreenHelperGTK;
|
|
using mozilla::widget::ScreenManager;
|
|
|
|
#define NOTIFY_TOKEN 0xFA
|
|
|
|
LazyLogModule gWidgetLog("Widget");
|
|
LazyLogModule gWidgetFocusLog("WidgetFocus");
|
|
LazyLogModule gWidgetDragLog("WidgetDrag");
|
|
LazyLogModule gWidgetDrawLog("WidgetDraw");
|
|
LazyLogModule gWidgetWaylandLog("WidgetWayland");
|
|
LazyLogModule gDmabufLog("Dmabuf");
|
|
LazyLogModule gClipboardLog("WidgetClipboard");
|
|
|
|
static GPollFunc sPollFunc;
|
|
|
|
// Wrapper function to disable hang monitoring while waiting in poll().
|
|
static gint PollWrapper(GPollFD* ufds, guint nfsd, gint timeout_) {
|
|
mozilla::BackgroundHangMonitor().NotifyWait();
|
|
gint result;
|
|
{
|
|
AUTO_PROFILER_LABEL("PollWrapper", IDLE);
|
|
AUTO_PROFILER_THREAD_SLEEP;
|
|
result = (*sPollFunc)(ufds, nfsd, timeout_);
|
|
}
|
|
mozilla::BackgroundHangMonitor().NotifyActivity();
|
|
return result;
|
|
}
|
|
|
|
// Emit resume-events on GdkFrameClock if flush-events has not been
|
|
// balanced by resume-events at dispose.
|
|
// For https://bugzilla.gnome.org/show_bug.cgi?id=742636
|
|
static decltype(GObjectClass::constructed) sRealGdkFrameClockConstructed;
|
|
static decltype(GObjectClass::dispose) sRealGdkFrameClockDispose;
|
|
static GQuark sPendingResumeQuark;
|
|
|
|
static void OnFlushEvents(GObject* clock, gpointer) {
|
|
g_object_set_qdata(clock, sPendingResumeQuark, GUINT_TO_POINTER(1));
|
|
}
|
|
|
|
static void OnResumeEvents(GObject* clock, gpointer) {
|
|
g_object_set_qdata(clock, sPendingResumeQuark, nullptr);
|
|
}
|
|
|
|
static void WrapGdkFrameClockConstructed(GObject* object) {
|
|
sRealGdkFrameClockConstructed(object);
|
|
|
|
g_signal_connect(object, "flush-events", G_CALLBACK(OnFlushEvents), nullptr);
|
|
g_signal_connect(object, "resume-events", G_CALLBACK(OnResumeEvents),
|
|
nullptr);
|
|
}
|
|
|
|
static void WrapGdkFrameClockDispose(GObject* object) {
|
|
if (g_object_get_qdata(object, sPendingResumeQuark)) {
|
|
g_signal_emit_by_name(object, "resume-events");
|
|
}
|
|
|
|
sRealGdkFrameClockDispose(object);
|
|
}
|
|
|
|
/*static*/
|
|
gboolean nsAppShell::EventProcessorCallback(GIOChannel* source,
|
|
GIOCondition condition,
|
|
gpointer data) {
|
|
nsAppShell* self = static_cast<nsAppShell*>(data);
|
|
|
|
unsigned char c;
|
|
Unused << read(self->mPipeFDs[0], &c, 1);
|
|
NS_ASSERTION(c == (unsigned char)NOTIFY_TOKEN, "wrong token");
|
|
|
|
self->NativeEventCallback();
|
|
return TRUE;
|
|
}
|
|
|
|
nsAppShell::~nsAppShell() {
|
|
mozilla::hal::Shutdown();
|
|
|
|
if (mTag) g_source_remove(mTag);
|
|
if (mPipeFDs[0]) close(mPipeFDs[0]);
|
|
if (mPipeFDs[1]) close(mPipeFDs[1]);
|
|
}
|
|
|
|
nsresult nsAppShell::Init() {
|
|
mozilla::hal::Init();
|
|
|
|
#ifdef MOZ_ENABLE_DBUS
|
|
if (XRE_IsParentProcess()) {
|
|
nsCOMPtr<nsIPowerManagerService> powerManagerService =
|
|
do_GetService(POWERMANAGERSERVICE_CONTRACTID);
|
|
|
|
if (powerManagerService) {
|
|
powerManagerService->AddWakeLockListener(
|
|
WakeLockListener::GetSingleton());
|
|
} else {
|
|
NS_WARNING(
|
|
"Failed to retrieve PowerManagerService, wakelocks will be broken!");
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (!sPollFunc) {
|
|
sPollFunc = g_main_context_get_poll_func(nullptr);
|
|
g_main_context_set_poll_func(nullptr, &PollWrapper);
|
|
}
|
|
|
|
if (XRE_IsParentProcess()) {
|
|
ScreenManager& screenManager = ScreenManager::GetSingleton();
|
|
if (gfxPlatform::IsHeadless()) {
|
|
screenManager.SetHelper(mozilla::MakeUnique<HeadlessScreenHelper>());
|
|
} else {
|
|
screenManager.SetHelper(mozilla::MakeUnique<ScreenHelperGTK>());
|
|
}
|
|
|
|
if (gtk_check_version(3, 16, 3) == nullptr) {
|
|
// Before 3.16.3, GDK cannot override classname by --class command line
|
|
// option when program uses gdk_set_program_class().
|
|
//
|
|
// See https://bugzilla.gnome.org/show_bug.cgi?id=747634
|
|
//
|
|
// Only bother doing this for the parent process, since it's the one
|
|
// creating top-level windows. (At this point, a child process hasn't
|
|
// received the list of registered chrome packages, so the
|
|
// GetBrandShortName call would fail anyway.)
|
|
nsAutoString brandName;
|
|
mozilla::widget::WidgetUtils::GetBrandShortName(brandName);
|
|
if (!brandName.IsEmpty()) {
|
|
gdk_set_program_class(NS_ConvertUTF16toUTF8(brandName).get());
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!sPendingResumeQuark &&
|
|
gtk_check_version(3, 14, 7) != nullptr) { // GTK 3.0 to GTK 3.14.7.
|
|
// GTK 3.8 - 3.14 registered this type when creating the frame clock
|
|
// for the root window of the display when the display was opened.
|
|
GType gdkFrameClockIdleType = g_type_from_name("GdkFrameClockIdle");
|
|
if (gdkFrameClockIdleType) { // not in versions prior to 3.8
|
|
sPendingResumeQuark = g_quark_from_string("moz-resume-is-pending");
|
|
auto gdk_frame_clock_idle_class =
|
|
G_OBJECT_CLASS(g_type_class_peek_static(gdkFrameClockIdleType));
|
|
auto constructed = &gdk_frame_clock_idle_class->constructed;
|
|
sRealGdkFrameClockConstructed = *constructed;
|
|
*constructed = WrapGdkFrameClockConstructed;
|
|
auto dispose = &gdk_frame_clock_idle_class->dispose;
|
|
sRealGdkFrameClockDispose = *dispose;
|
|
*dispose = WrapGdkFrameClockDispose;
|
|
}
|
|
}
|
|
|
|
// Workaround for bug 1209659 which is fixed by Gtk3.20
|
|
if (gtk_check_version(3, 20, 0) != nullptr) {
|
|
unsetenv("GTK_CSD");
|
|
}
|
|
|
|
if (PR_GetEnv("MOZ_DEBUG_PAINTS")) {
|
|
gdk_window_set_debug_updates(TRUE);
|
|
}
|
|
|
|
// Whitelist of only common, stable formats - see bugs 1197059 and 1203078
|
|
GSList* pixbufFormats = gdk_pixbuf_get_formats();
|
|
for (GSList* iter = pixbufFormats; iter; iter = iter->next) {
|
|
GdkPixbufFormat* format = static_cast<GdkPixbufFormat*>(iter->data);
|
|
gchar* name = gdk_pixbuf_format_get_name(format);
|
|
if (strcmp(name, "jpeg") && strcmp(name, "png") && strcmp(name, "gif") &&
|
|
strcmp(name, "bmp") && strcmp(name, "ico") && strcmp(name, "xpm") &&
|
|
strcmp(name, "svg")) {
|
|
gdk_pixbuf_format_set_disabled(format, TRUE);
|
|
}
|
|
g_free(name);
|
|
}
|
|
g_slist_free(pixbufFormats);
|
|
|
|
int err = pipe(mPipeFDs);
|
|
if (err) return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
GIOChannel* ioc;
|
|
GSource* source;
|
|
|
|
// make the pipe nonblocking
|
|
|
|
int flags = fcntl(mPipeFDs[0], F_GETFL, 0);
|
|
if (flags == -1) goto failed;
|
|
err = fcntl(mPipeFDs[0], F_SETFL, flags | O_NONBLOCK);
|
|
if (err == -1) goto failed;
|
|
flags = fcntl(mPipeFDs[1], F_GETFL, 0);
|
|
if (flags == -1) goto failed;
|
|
err = fcntl(mPipeFDs[1], F_SETFL, flags | O_NONBLOCK);
|
|
if (err == -1) goto failed;
|
|
|
|
ioc = g_io_channel_unix_new(mPipeFDs[0]);
|
|
source = g_io_create_watch(ioc, G_IO_IN);
|
|
g_io_channel_unref(ioc);
|
|
g_source_set_callback(source, (GSourceFunc)EventProcessorCallback, this,
|
|
nullptr);
|
|
g_source_set_can_recurse(source, TRUE);
|
|
mTag = g_source_attach(source, nullptr);
|
|
g_source_unref(source);
|
|
|
|
return nsBaseAppShell::Init();
|
|
failed:
|
|
close(mPipeFDs[0]);
|
|
close(mPipeFDs[1]);
|
|
mPipeFDs[0] = mPipeFDs[1] = 0;
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
void nsAppShell::ScheduleNativeEventCallback() {
|
|
unsigned char buf[] = {NOTIFY_TOKEN};
|
|
Unused << write(mPipeFDs[1], buf, 1);
|
|
}
|
|
|
|
bool nsAppShell::ProcessNextNativeEvent(bool mayWait) {
|
|
bool ret = g_main_context_iteration(nullptr, mayWait);
|
|
#ifdef MOZ_WAYLAND
|
|
mozilla::widget::WaylandDispatchDisplays();
|
|
#endif
|
|
return ret;
|
|
}
|