mirror of
https://github.com/classilla/tenfourfox.git
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214 lines
6.1 KiB
C++
214 lines
6.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:expandtab:shiftwidth=4:tabstop=4:
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <sys/types.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <gdk/gdk.h>
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#include "nsAppShell.h"
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#include "nsWindow.h"
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#include "mozilla/Logging.h"
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#include "prenv.h"
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#include "mozilla/HangMonitor.h"
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#include "mozilla/unused.h"
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#include "GeckoProfiler.h"
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#include "nsIPowerManagerService.h"
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#ifdef MOZ_ENABLE_DBUS
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#include "WakeLockListener.h"
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#endif
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using mozilla::Unused;
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#define NOTIFY_TOKEN 0xFA
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PRLogModuleInfo *gWidgetLog = nullptr;
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PRLogModuleInfo *gWidgetFocusLog = nullptr;
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PRLogModuleInfo *gWidgetDragLog = nullptr;
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PRLogModuleInfo *gWidgetDrawLog = nullptr;
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static GPollFunc sPollFunc;
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// Wrapper function to disable hang monitoring while waiting in poll().
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static gint
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PollWrapper(GPollFD *ufds, guint nfsd, gint timeout_)
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{
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mozilla::HangMonitor::Suspend();
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profiler_sleep_start();
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gint result = (*sPollFunc)(ufds, nfsd, timeout_);
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profiler_sleep_end();
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mozilla::HangMonitor::NotifyActivity();
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return result;
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}
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#if MOZ_WIDGET_GTK == 3
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// For bug 726483.
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static decltype(GtkContainerClass::check_resize) sReal_gtk_window_check_resize;
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void
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wrap_gtk_window_check_resize(GtkContainer *container)
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{
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GdkWindow* gdk_window = gtk_widget_get_window(&container->widget);
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if (gdk_window) {
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g_object_ref(gdk_window);
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}
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sReal_gtk_window_check_resize(container);
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if (gdk_window) {
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g_object_unref(gdk_window);
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}
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}
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#endif
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/*static*/ gboolean
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nsAppShell::EventProcessorCallback(GIOChannel *source,
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GIOCondition condition,
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gpointer data)
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{
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nsAppShell *self = static_cast<nsAppShell *>(data);
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unsigned char c;
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Unused << read(self->mPipeFDs[0], &c, 1);
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NS_ASSERTION(c == (unsigned char) NOTIFY_TOKEN, "wrong token");
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self->NativeEventCallback();
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return TRUE;
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}
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nsAppShell::~nsAppShell()
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{
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if (mTag)
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g_source_remove(mTag);
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if (mPipeFDs[0])
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close(mPipeFDs[0]);
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if (mPipeFDs[1])
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close(mPipeFDs[1]);
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}
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nsresult
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nsAppShell::Init()
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{
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// For any versions of Glib before 2.36, g_type_init must be explicitly called
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// to safely use the library. Failure to do so may cause various failures/crashes
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// in any code that uses Glib, Gdk, or Gtk. In later versions of Glib, this call
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// is a no-op.
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g_type_init();
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if (!gWidgetLog)
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gWidgetLog = PR_NewLogModule("Widget");
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if (!gWidgetFocusLog)
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gWidgetFocusLog = PR_NewLogModule("WidgetFocus");
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if (!gWidgetDragLog)
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gWidgetDragLog = PR_NewLogModule("WidgetDrag");
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if (!gWidgetDrawLog)
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gWidgetDrawLog = PR_NewLogModule("WidgetDraw");
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#ifdef MOZ_ENABLE_DBUS
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nsCOMPtr<nsIPowerManagerService> powerManagerService =
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do_GetService(POWERMANAGERSERVICE_CONTRACTID);
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if (powerManagerService) {
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powerManagerService->AddWakeLockListener(WakeLockListener::GetSingleton());
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} else {
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NS_WARNING("Failed to retrieve PowerManagerService, wakelocks will be broken!");
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}
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#endif
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if (!sPollFunc) {
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sPollFunc = g_main_context_get_poll_func(nullptr);
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g_main_context_set_poll_func(nullptr, &PollWrapper);
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}
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#if MOZ_WIDGET_GTK == 3
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if (!sReal_gtk_window_check_resize &&
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gtk_check_version(3,8,0) != nullptr) { // GTK 3.0 to GTK 3.6.
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// GtkWindow is a static class and so will leak anyway but this ref
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// makes sure it isn't recreated.
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gpointer gtk_plug_class = g_type_class_ref(GTK_TYPE_WINDOW);
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auto check_resize = >K_CONTAINER_CLASS(gtk_plug_class)->check_resize;
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sReal_gtk_window_check_resize = *check_resize;
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*check_resize = wrap_gtk_window_check_resize;
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}
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// Workaround for bug 1209659 which is fixed by Gtk3.20
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if (gtk_check_version(3, 20, 0) != nullptr)
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unsetenv("GTK_CSD");
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#endif
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if (PR_GetEnv("MOZ_DEBUG_PAINTS"))
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gdk_window_set_debug_updates(TRUE);
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// Whitelist of only common, stable formats - see bugs 1197059 and 1203078
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GSList* pixbufFormats = gdk_pixbuf_get_formats();
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for (GSList* iter = pixbufFormats; iter; iter = iter->next) {
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GdkPixbufFormat* format = static_cast<GdkPixbufFormat*>(iter->data);
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gchar* name = gdk_pixbuf_format_get_name(format);
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if (strcmp(name, "jpeg") &&
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strcmp(name, "png") &&
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strcmp(name, "gif") &&
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strcmp(name, "bmp") &&
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strcmp(name, "ico") &&
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strcmp(name, "xpm") &&
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strcmp(name, "svg")) {
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gdk_pixbuf_format_set_disabled(format, TRUE);
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}
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g_free(name);
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}
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g_slist_free(pixbufFormats);
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int err = pipe(mPipeFDs);
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if (err)
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return NS_ERROR_OUT_OF_MEMORY;
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GIOChannel *ioc;
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GSource *source;
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// make the pipe nonblocking
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int flags = fcntl(mPipeFDs[0], F_GETFL, 0);
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if (flags == -1)
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goto failed;
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err = fcntl(mPipeFDs[0], F_SETFL, flags | O_NONBLOCK);
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if (err == -1)
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goto failed;
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flags = fcntl(mPipeFDs[1], F_GETFL, 0);
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if (flags == -1)
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goto failed;
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err = fcntl(mPipeFDs[1], F_SETFL, flags | O_NONBLOCK);
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if (err == -1)
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goto failed;
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ioc = g_io_channel_unix_new(mPipeFDs[0]);
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source = g_io_create_watch(ioc, G_IO_IN);
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g_io_channel_unref(ioc);
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g_source_set_callback(source, (GSourceFunc)EventProcessorCallback, this, nullptr);
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g_source_set_can_recurse(source, TRUE);
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mTag = g_source_attach(source, nullptr);
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g_source_unref(source);
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return nsBaseAppShell::Init();
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failed:
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close(mPipeFDs[0]);
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close(mPipeFDs[1]);
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mPipeFDs[0] = mPipeFDs[1] = 0;
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return NS_ERROR_FAILURE;
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}
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void
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nsAppShell::ScheduleNativeEventCallback()
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{
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unsigned char buf[] = { NOTIFY_TOKEN };
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Unused << write(mPipeFDs[1], buf, 1);
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}
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bool
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nsAppShell::ProcessNextNativeEvent(bool mayWait)
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{
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return g_main_context_iteration(nullptr, mayWait);
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}
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