Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 252 insertions, 0 deletions

diff --git a/widget/cocoa/nsToolkit.mm b/widget/cocoa/nsToolkit.mm
new file mode 100644
index 0000000000..0180262067
--- /dev/null
+++ b/widget/cocoa/nsToolkit.mm
@@ -0,0 +1,252 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 "nsToolkit.h"
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <mach/mach_port.h>
+#include <mach/mach_interface.h>
+#include <mach/mach_init.h>
+
+extern "C" {
+#include <mach-o/getsect.h>
+}
+#include <unistd.h>
+#include <dlfcn.h>
+
+#import <Cocoa/Cocoa.h>
+#import <IOKit/pwr_mgt/IOPMLib.h>
+#import <IOKit/IOMessage.h>
+
+#include "nsCocoaUtils.h"
+#include "nsObjCExceptions.h"
+
+#include "nsGkAtoms.h"
+#include "nsIRollupListener.h"
+#include "nsIWidget.h"
+#include "nsBaseWidget.h"
+
+#include "nsIObserverService.h"
+
+#include "mozilla/Preferences.h"
+#include "mozilla/Services.h"
+
+#include "NativeMenuSupport.h"
+
+using namespace mozilla;
+
+static io_connect_t gRootPort = MACH_PORT_NULL;
+
+nsToolkit* nsToolkit::gToolkit = nullptr;
+
+nsToolkit::nsToolkit()
+    : mSleepWakeNotificationRLS(nullptr), mPowerNotifier{0}, mAllProcessMouseMonitor(nil) {
+  MOZ_COUNT_CTOR(nsToolkit);
+  RegisterForSleepWakeNotifications();
+}
+
+nsToolkit::~nsToolkit() {
+  MOZ_COUNT_DTOR(nsToolkit);
+  RemoveSleepWakeNotifications();
+  StopMonitoringAllProcessMouseEvents();
+}
+
+void nsToolkit::PostSleepWakeNotification(const char* aNotification) {
+  nsCOMPtr<nsIObserverService> observerService = services::GetObserverService();
+  if (observerService) observerService->NotifyObservers(nullptr, aNotification, nullptr);
+}
+
+// http://developer.apple.com/documentation/DeviceDrivers/Conceptual/IOKitFundamentals/PowerMgmt/chapter_10_section_3.html
+static void ToolkitSleepWakeCallback(void* refCon, io_service_t service, natural_t messageType,
+                                     void* messageArgument) {
+  NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
+
+  switch (messageType) {
+    case kIOMessageSystemWillSleep:
+      // System is going to sleep now.
+      nsToolkit::PostSleepWakeNotification(NS_WIDGET_SLEEP_OBSERVER_TOPIC);
+      ::IOAllowPowerChange(gRootPort, (long)messageArgument);
+      break;
+
+    case kIOMessageCanSystemSleep:
+      // In this case, the computer has been idle for several minutes
+      // and will sleep soon so you must either allow or cancel
+      // this notification. Important: if you don’t respond, there will
+      // be a 30-second timeout before the computer sleeps.
+      // In Mozilla's case, we always allow sleep.
+      ::IOAllowPowerChange(gRootPort, (long)messageArgument);
+      break;
+
+    case kIOMessageSystemHasPoweredOn:
+      // Handle wakeup.
+      nsToolkit::PostSleepWakeNotification(NS_WIDGET_WAKE_OBSERVER_TOPIC);
+      break;
+  }
+
+  NS_OBJC_END_TRY_IGNORE_BLOCK;
+}
+
+nsresult nsToolkit::RegisterForSleepWakeNotifications() {
+  NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
+
+  IONotificationPortRef notifyPortRef;
+
+  NS_ASSERTION(!mSleepWakeNotificationRLS, "Already registered for sleep/wake");
+
+  gRootPort =
+      ::IORegisterForSystemPower(0, &notifyPortRef, ToolkitSleepWakeCallback, &mPowerNotifier);
+  if (gRootPort == MACH_PORT_NULL) {
+    NS_ERROR("IORegisterForSystemPower failed");
+    return NS_ERROR_FAILURE;
+  }
+
+  mSleepWakeNotificationRLS = ::IONotificationPortGetRunLoopSource(notifyPortRef);
+  ::CFRunLoopAddSource(::CFRunLoopGetCurrent(), mSleepWakeNotificationRLS, kCFRunLoopDefaultMode);
+
+  return NS_OK;
+
+  NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
+}
+
+void nsToolkit::RemoveSleepWakeNotifications() {
+  NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
+
+  if (mSleepWakeNotificationRLS) {
+    ::IODeregisterForSystemPower(&mPowerNotifier);
+    ::CFRunLoopRemoveSource(::CFRunLoopGetCurrent(), mSleepWakeNotificationRLS,
+                            kCFRunLoopDefaultMode);
+
+    mSleepWakeNotificationRLS = nullptr;
+  }
+
+  NS_OBJC_END_TRY_IGNORE_BLOCK;
+}
+
+// Cocoa Firefox's use of custom context menus requires that we explicitly
+// handle mouse events from other processes that the OS handles
+// "automatically" for native context menus -- mouseMoved events so that
+// right-click context menus work properly when our browser doesn't have the
+// focus (bmo bug 368077), and mouseDown events so that our browser can
+// dismiss a context menu when a mouseDown happens in another process (bmo
+// bug 339945).
+void nsToolkit::MonitorAllProcessMouseEvents() {
+  NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
+
+  if (mozilla::widget::NativeMenuSupport::ShouldUseNativeContextMenus()) {
+    // Don't do this if we are using native context menus.
+    return;
+  }
+
+  if (getenv("MOZ_NO_GLOBAL_MOUSE_MONITOR")) return;
+
+  if (mAllProcessMouseMonitor == nil) {
+    mAllProcessMouseMonitor = [NSEvent
+        addGlobalMonitorForEventsMatchingMask:NSEventMaskLeftMouseDown | NSEventMaskLeftMouseDown
+                                      handler:^(NSEvent* evt) {
+                                        if ([NSApp isActive]) {
+                                          return;
+                                        }
+
+                                        nsIRollupListener* rollupListener =
+                                            nsBaseWidget::GetActiveRollupListener();
+                                        if (!rollupListener) {
+                                          return;
+                                        }
+
+                                        nsCOMPtr<nsIWidget> rollupWidget =
+                                            rollupListener->GetRollupWidget();
+                                        if (!rollupWidget) {
+                                          return;
+                                        }
+
+                                        NSWindow* ctxMenuWindow =
+                                            (NSWindow*)rollupWidget->GetNativeData(
+                                                NS_NATIVE_WINDOW);
+                                        if (!ctxMenuWindow) {
+                                          return;
+                                        }
+
+                                        // Don't roll up the rollup widget if our mouseDown happens
+                                        // over it (doing so would break the corresponding context
+                                        // menu).
+                                        NSPoint screenLocation = [NSEvent mouseLocation];
+                                        if (NSPointInRect(screenLocation, [ctxMenuWindow frame])) {
+                                          return;
+                                        }
+
+                                        rollupListener->Rollup({});
+                                      }];
+  }
+
+  NS_OBJC_END_TRY_IGNORE_BLOCK;
+}
+
+void nsToolkit::StopMonitoringAllProcessMouseEvents() {
+  NS_OBJC_BEGIN_TRY_IGNORE_BLOCK;
+
+  if (mAllProcessMouseMonitor != nil) {
+    [NSEvent removeMonitor:mAllProcessMouseMonitor];
+    mAllProcessMouseMonitor = nil;
+  }
+
+  NS_OBJC_END_TRY_IGNORE_BLOCK;
+}
+
+// Return the nsToolkit instance.  If a toolkit does not yet exist, then one
+// will be created.
+// static
+nsToolkit* nsToolkit::GetToolkit() {
+  NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
+
+  if (!gToolkit) {
+    gToolkit = new nsToolkit();
+  }
+
+  return gToolkit;
+
+  NS_OBJC_END_TRY_BLOCK_RETURN(nullptr);
+}
+
+// An alternative to [NSObject poseAsClass:] that isn't deprecated on OS X
+// Leopard and is available to 64-bit binaries on Leopard and above.  Based on
+// ideas and code from http://www.cocoadev.com/index.pl?MethodSwizzling.
+// Since the Method type becomes an opaque type as of Objective-C 2.0, we'll
+// have to switch to using accessor methods like method_exchangeImplementations()
+// when we build 64-bit binaries that use Objective-C 2.0 (on and for Leopard
+// and above).
+//
+// Be aware that, if aClass doesn't have an orgMethod selector but one of its
+// superclasses does, the method substitution will (in effect) take place in
+// that superclass (rather than in aClass itself).  The substitution has
+// effect on the class where it takes place and all of that class's
+// subclasses.  In order for method swizzling to work properly, posedMethod
+// needs to be unique in the class where the substitution takes place and all
+// of its subclasses.
+nsresult nsToolkit::SwizzleMethods(Class aClass, SEL orgMethod, SEL posedMethod,
+                                   bool classMethods) {
+  NS_OBJC_BEGIN_TRY_BLOCK_RETURN;
+
+  Method original = nil;
+  Method posed = nil;
+
+  if (classMethods) {
+    original = class_getClassMethod(aClass, orgMethod);
+    posed = class_getClassMethod(aClass, posedMethod);
+  } else {
+    original = class_getInstanceMethod(aClass, orgMethod);
+    posed = class_getInstanceMethod(aClass, posedMethod);
+  }
+
+  if (!original || !posed) return NS_ERROR_FAILURE;
+
+  method_exchangeImplementations(original, posed);
+
+  return NS_OK;
+
+  NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE);
+}