MRDPView.m

 
#include <winpr/windows.h>
 
#include "mf_client.h"
#import "mfreerdp.h"
#import "MRDPView.h"
#import "MRDPCursor.h"
#import "Clipboard.h"
#import "PasswordDialog.h"
#import "CertificateDialog.h"
 
#include <winpr/crt.h>
#include <winpr/assert.h>
#include <winpr/input.h>
#include <winpr/synch.h>
#include <winpr/sysinfo.h>
 
#include <freerdp/constants.h>
 
#import "freerdp/freerdp.h"
#import "freerdp/types.h"
#import "freerdp/config.h"
#import "freerdp/channels/channels.h"
#import "freerdp/gdi/gdi.h"
#import "freerdp/gdi/dc.h"
#import "freerdp/gdi/region.h"
#import "freerdp/graphics.h"
#import "freerdp/client/file.h"
#import "freerdp/client/cmdline.h"
#import "freerdp/log.h"
 
#import <CoreGraphics/CoreGraphics.h>
 
#define TAG CLIENT_TAG("mac")
 
static BOOL mf_Pointer_New(rdpContext *context, rdpPointer *pointer);
static void mf_Pointer_Free(rdpContext *context, rdpPointer *pointer);
static BOOL mf_Pointer_Set(rdpContext *context, rdpPointer *pointer);
static BOOL mf_Pointer_SetNull(rdpContext *context);
static BOOL mf_Pointer_SetDefault(rdpContext *context);
static BOOL mf_Pointer_SetPosition(rdpContext *context, UINT32 x, UINT32 y);
 
static BOOL mac_begin_paint(rdpContext *context);
static BOOL mac_end_paint(rdpContext *context);
static BOOL mac_desktop_resize(rdpContext *context);
 
static void input_activity_cb(freerdp *instance);
 
static DWORD WINAPI mac_client_thread(void *param);
static void windows_to_apple_cords(MRDPView *view, NSRect *r);
static CGContextRef mac_create_bitmap_context(rdpContext *context);
 
@implementation MRDPView
 
@synthesize is_connected;
 
- (int)rdpStart:(rdpContext *)rdp_context
{
  rdpSettings *settings;
  EmbedWindowEventArgs e;
  [self initializeView];
 
  WINPR_ASSERT(rdp_context);
  context = rdp_context;
  mfc = (mfContext *)rdp_context;
 
  instance = context->instance;
  WINPR_ASSERT(instance);
 
  settings = context->settings;
  WINPR_ASSERT(settings);
 
  EventArgsInit(&e, "mfreerdp");
  e.embed = TRUE;
  e.handle = (void *)self;
  PubSub_OnEmbedWindow(context->pubSub, context, &e);
  NSScreen *screen = [[NSScreen screens] objectAtIndex:0];
  NSRect screenFrame = [screen frame];
 
  if (freerdp_settings_get_bool(settings, FreeRDP_Fullscreen))
  {
    if (!freerdp_settings_set_uint32(settings, FreeRDP_DesktopWidth, screenFrame.size.width))
      return -1;
    if (!freerdp_settings_set_uint32(settings, FreeRDP_DesktopHeight, screenFrame.size.height))
      return -1;
    [self enterFullScreenMode:[NSScreen mainScreen] withOptions:nil];
  }
  else
  {
    [self exitFullScreenModeWithOptions:nil];
  }
 
  mfc->client_height = freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight);
  mfc->client_width = freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth);
 
  if (!(mfc->common.thread =
            CreateThread(NULL, 0, mac_client_thread, (void *)context, 0, &mfc->mainThreadId)))
  {
    WLog_ERR(TAG, "failed to create client thread");
    return -1;
  }
 
  return 0;
}
 
DWORD WINAPI mac_client_thread(void *param)
{
  @autoreleasepool
  {
    int status;
    DWORD rc;
    HANDLE events[16] = { 0 };
    HANDLE inputEvent;
    DWORD nCount;
    DWORD nCountTmp;
    DWORD nCountBase;
    rdpContext *context = (rdpContext *)param;
    mfContext *mfc = (mfContext *)context;
    freerdp *instance = context->instance;
    MRDPView *view = mfc->view;
    rdpSettings *settings = context->settings;
    status = freerdp_connect(context->instance);
 
    if (!status)
    {
      [view setIs_connected:0];
      return 0;
    }
 
    [view setIs_connected:1];
    nCount = 0;
    events[nCount++] = mfc->stopEvent;
 
    if (!(inputEvent =
              freerdp_get_message_queue_event_handle(instance, FREERDP_INPUT_MESSAGE_QUEUE)))
    {
      WLog_ERR(TAG, "failed to get input event handle");
      goto disconnect;
    }
 
    events[nCount++] = inputEvent;
 
    nCountBase = nCount;
 
    while (!freerdp_shall_disconnect_context(instance->context))
    {
      nCount = nCountBase;
      {
        if (!(nCountTmp = freerdp_get_event_handles(context, &events[nCount], 16 - nCount)))
        {
          WLog_ERR(TAG, "freerdp_get_event_handles failed");
          break;
        }
 
        nCount += nCountTmp;
      }
      rc = WaitForMultipleObjects(nCount, events, FALSE, INFINITE);
 
      if (rc >= (WAIT_OBJECT_0 + nCount))
      {
        WLog_ERR(TAG, "WaitForMultipleObjects failed (0x%08X)", rc);
        break;
      }
 
      if (rc == WAIT_OBJECT_0)
      {
        /* stop event triggered */
        break;
      }
 
      if (WaitForSingleObject(inputEvent, 0) == WAIT_OBJECT_0)
      {
        input_activity_cb(instance);
      }
 
      {
        if (!freerdp_check_event_handles(context))
        {
          WLog_ERR(TAG, "freerdp_check_event_handles failed");
          break;
        }
      }
    }
 
  disconnect:
    [view setIs_connected:0];
    freerdp_disconnect(instance);
 
    ExitThread(0);
    return 0;
  }
}
 
- (id)initWithFrame:(NSRect)frame
{
  self = [super initWithFrame:frame];
 
  if (self)
  {
    // Initialization code here.
  }
 
  return self;
}
 
- (void)viewDidLoad
{
  [self initializeView];
}
 
- (void)initializeView
{
  if (!initialized)
  {
    cursors = [[NSMutableArray alloc] initWithCapacity:10];
    // setup a mouse tracking area
    NSTrackingArea *trackingArea = [[NSTrackingArea alloc]
        initWithRect:[self visibleRect]
             options:NSTrackingMouseEnteredAndExited | NSTrackingMouseMoved |
                     NSTrackingCursorUpdate | NSTrackingEnabledDuringMouseDrag |
                     NSTrackingActiveWhenFirstResponder
               owner:self
            userInfo:nil];
    [self addTrackingArea:trackingArea];
    // Set the default cursor
    currentCursor = [NSCursor arrowCursor];
    initialized = YES;
  }
}
 
- (void)setCursor:(NSCursor *)cursor
{
  self->currentCursor = cursor;
  dispatch_async(dispatch_get_main_queue(), ^{
    [[self window] invalidateCursorRectsForView:self];
  });
}
 
- (void)resetCursorRects
{
  [self addCursorRect:[self visibleRect] cursor:currentCursor];
}
 
- (BOOL)acceptsFirstResponder
{
  return YES;
}
 
- (void)mouseMoved:(NSEvent *)event
{
  [super mouseMoved:event];
 
  if (!self.is_connected)
    return;
 
  NSPoint loc = [event locationInWindow];
  int x = (int)loc.x;
  int y = (int)loc.y;
  mf_scale_mouse_event(context, PTR_FLAGS_MOVE, x, y);
}
 
- (void)mouseDown:(NSEvent *)event
{
  [super mouseDown:event];
 
  if (!self.is_connected)
    return;
 
  NSPoint loc = [event locationInWindow];
  int x = (int)loc.x;
  int y = (int)loc.y;
  mf_press_mouse_button(context, 0, x, y, TRUE);
}
 
- (void)mouseUp:(NSEvent *)event
{
  [super mouseUp:event];
 
  if (!self.is_connected)
    return;
 
  NSPoint loc = [event locationInWindow];
  int x = (int)loc.x;
  int y = (int)loc.y;
  mf_press_mouse_button(context, 0, x, y, FALSE);
}
 
- (void)rightMouseDown:(NSEvent *)event
{
  [super rightMouseDown:event];
 
  if (!self.is_connected)
    return;
 
  NSPoint loc = [event locationInWindow];
  int x = (int)loc.x;
  int y = (int)loc.y;
  mf_press_mouse_button(context, 1, x, y, TRUE);
}
 
- (void)rightMouseUp:(NSEvent *)event
{
  [super rightMouseUp:event];
 
  if (!self.is_connected)
    return;
 
  NSPoint loc = [event locationInWindow];
  int x = (int)loc.x;
  int y = (int)loc.y;
  mf_press_mouse_button(context, 1, x, y, FALSE);
}
 
- (void)otherMouseDown:(NSEvent *)event
{
  [super otherMouseDown:event];
 
  if (!self.is_connected)
    return;
 
  NSPoint loc = [event locationInWindow];
  int x = (int)loc.x;
  int y = (int)loc.y;
  int pressed = [event buttonNumber];
  mf_press_mouse_button(context, pressed, x, y, TRUE);
}
 
- (void)otherMouseUp:(NSEvent *)event
{
  [super otherMouseUp:event];
 
  if (!self.is_connected)
    return;
 
  NSPoint loc = [event locationInWindow];
  int x = (int)loc.x;
  int y = (int)loc.y;
  int pressed = [event buttonNumber];
  mf_press_mouse_button(context, pressed, x, y, FALSE);
}
 
- (void)scrollWheel:(NSEvent *)event
{
  UINT16 flags;
  [super scrollWheel:event];
 
  if (!self.is_connected)
    return;
 
  float dx = [event deltaX];
  float dy = [event deltaY];
  /* 1 event = 120 units */
  UINT16 units = 0;
 
  if (fabsf(dy) > FLT_EPSILON)
  {
    flags = PTR_FLAGS_WHEEL;
    units = fabsf(dy) * 120;
 
    if (dy < 0)
      flags |= PTR_FLAGS_WHEEL_NEGATIVE;
  }
  else if (fabsf(dx) > FLT_EPSILON)
  {
    flags = PTR_FLAGS_HWHEEL;
    units = fabsf(dx) * 120;
 
    if (dx > 0)
      flags |= PTR_FLAGS_WHEEL_NEGATIVE;
  }
  else
    return;
 
  /* Wheel rotation steps:
   *
   * positive: 0 ... 0xFF  -> slow ... fast
   * negative: 0 ... 0xFF  -> fast ... slow
   */
  UINT16 step = units;
  if (step > 0xFF)
    step = 0xFF;
 
  /* Negative rotation, so count down steps from top
   * 9bit twos complement */
  if (flags & PTR_FLAGS_WHEEL_NEGATIVE)
    step = 0x100 - step;
 
  mf_scale_mouse_event(context, flags | step, 0, 0);
}
 
- (void)mouseDragged:(NSEvent *)event
{
  [super mouseDragged:event];
 
  if (!self.is_connected)
    return;
 
  NSPoint loc = [event locationInWindow];
  int x = (int)loc.x;
  int y = (int)loc.y;
  // send mouse motion event to RDP server
  mf_scale_mouse_event(context, PTR_FLAGS_MOVE, x, y);
}
 
static DWORD fixKeyCode(DWORD keyCode, unichar keyChar, enum APPLE_KEYBOARD_TYPE type)
{
#if 0
  switch (keyChar)
  {
    case '0':
    case 0x00A7: /* section sign */
      if (keyCode == APPLE_VK_ISO_Section)
        keyCode = APPLE_VK_ANSI_Grave;
 
      break;
 
    case 0x00ED: /* latin small letter i with acute */
    case 0x00CD: /* latin capital letter i with acute */
      if (keyCode == APPLE_VK_ANSI_Grave)
        keyCode = APPLE_VK_ISO_Section;
 
      break;
  }
 
#endif
 
  /* Perform keycode correction for all ISO keyboards */
 
  if (type == APPLE_KEYBOARD_TYPE_ISO)
  {
    if (keyCode == APPLE_VK_ANSI_Grave)
      keyCode = APPLE_VK_ISO_Section;
    else if (keyCode == APPLE_VK_ISO_Section)
      keyCode = APPLE_VK_ANSI_Grave;
  }
 
  return keyCode;
}
 
- (void)flagsChanged:(NSEvent *)event
{
  if (!is_connected)
    return;
 
  DWORD modFlags = [event modifierFlags] & NSEventModifierFlagDeviceIndependentFlagsMask;
 
  WINPR_ASSERT(instance);
  WINPR_ASSERT(instance->context);
 
  rdpInput *input = instance->context->input;
 
#if defined(WITH_DEBUG_KBD)
  WLog_DBG(TAG, "flagsChanged: modFlags: 0x%04X kbdModFlags: 0x%04X", modFlags, kbdModFlags);
#endif
 
  updateFlagStates(input, modFlags, kbdModFlags);
  kbdModFlags = modFlags;
}
 
- (void)keyDown:(NSEvent *)event
{
  DWORD keyCode;
  DWORD keyFlags;
  DWORD vkcode;
  DWORD scancode;
  unichar keyChar;
  NSString *characters;
 
  if (!is_connected)
    return;
 
  [self flagsChanged:event];
 
  keyFlags = KBD_FLAGS_DOWN;
  keyCode = [event keyCode];
  characters = [event charactersIgnoringModifiers];
 
  if ([characters length] > 0)
  {
    keyChar = [characters characterAtIndex:0];
    keyCode = fixKeyCode(keyCode, keyChar, mfc->appleKeyboardType);
  }
 
  vkcode = GetVirtualKeyCodeFromKeycode(keyCode, WINPR_KEYCODE_TYPE_APPLE);
  scancode = GetVirtualScanCodeFromVirtualKeyCode(vkcode, 4);
  keyFlags |= (scancode & KBDEXT) ? KBDEXT : 0;
  scancode &= 0xFF;
  vkcode &= 0xFF;
 
#if defined(WITH_DEBUG_KBD)
  WLog_DBG(TAG, "keyDown: keyCode: 0x%04X scancode: 0x%04X vkcode: 0x%04X keyFlags: %d name: %s",
           keyCode, scancode, vkcode, keyFlags, GetVirtualKeyName(vkcode));
#endif
 
  WINPR_ASSERT(instance->context);
  freerdp_input_send_keyboard_event(instance->context->input, keyFlags, scancode);
}
 
- (void)keyUp:(NSEvent *)event
{
  DWORD keyCode;
  DWORD keyFlags;
  DWORD vkcode;
  DWORD scancode;
  unichar keyChar;
  NSString *characters;
 
  if (!is_connected)
    return;
 
  [self flagsChanged:event];
 
  keyFlags = KBD_FLAGS_RELEASE;
  keyCode = [event keyCode];
  characters = [event charactersIgnoringModifiers];
 
  if ([characters length] > 0)
  {
    keyChar = [characters characterAtIndex:0];
    keyCode = fixKeyCode(keyCode, keyChar, mfc->appleKeyboardType);
  }
 
  vkcode = GetVirtualKeyCodeFromKeycode(keyCode, WINPR_KEYCODE_TYPE_APPLE);
  scancode = GetVirtualScanCodeFromVirtualKeyCode(vkcode, 4);
  keyFlags |= (scancode & KBDEXT) ? KBDEXT : 0;
  scancode &= 0xFF;
  vkcode &= 0xFF;
#if defined(WITH_DEBUG_KBD)
  WLog_DBG(TAG, "keyUp: key: 0x%04X scancode: 0x%04X vkcode: 0x%04X keyFlags: %d name: %s",
           keyCode, scancode, vkcode, keyFlags, GetVirtualKeyName(vkcode));
#endif
  WINPR_ASSERT(instance->context);
  freerdp_input_send_keyboard_event(instance->context->input, keyFlags, scancode);
}
 
static BOOL updateFlagState(rdpInput *input, DWORD modFlags, DWORD aKbdModFlags, DWORD flag)
{
  BOOL press = ((modFlags & flag) != 0) && ((aKbdModFlags & flag) == 0);
  BOOL release = ((modFlags & flag) == 0) && ((aKbdModFlags & flag) != 0);
  DWORD keyFlags = 0;
  const char *name = NULL;
  DWORD scancode = 0;
 
  if ((modFlags & flag) == (aKbdModFlags & flag))
    return TRUE;
 
  switch (flag)
  {
    case NSEventModifierFlagCapsLock:
      name = "NSEventModifierFlagCapsLock";
      scancode = RDP_SCANCODE_CAPSLOCK;
      release = press = TRUE;
      break;
    case NSEventModifierFlagShift:
      name = "NSEventModifierFlagShift";
      scancode = RDP_SCANCODE_LSHIFT;
      break;
 
    case NSEventModifierFlagControl:
      name = "NSEventModifierFlagControl";
      scancode = RDP_SCANCODE_LCONTROL;
      break;
 
    case NSEventModifierFlagOption:
      name = "NSEventModifierFlagOption";
      scancode = RDP_SCANCODE_LMENU;
      break;
 
    case NSEventModifierFlagCommand:
      name = "NSEventModifierFlagCommand";
      scancode = RDP_SCANCODE_LWIN;
      break;
 
    case NSEventModifierFlagNumericPad:
      name = "NSEventModifierFlagNumericPad";
      scancode = RDP_SCANCODE_NUMLOCK;
      release = press = TRUE;
      break;
 
    case NSEventModifierFlagHelp:
      name = "NSEventModifierFlagHelp";
      scancode = RDP_SCANCODE_HELP;
      break;
 
    case NSEventModifierFlagFunction:
      name = "NSEventModifierFlagFunction";
      scancode = RDP_SCANCODE_HELP;
      break;
 
    default:
      WLog_ERR(TAG, "Invalid flag: 0x%08" PRIx32 ", not supported", flag);
      return FALSE;
  }
 
  keyFlags = (scancode & KBDEXT);
  scancode &= 0xFF;
 
#if defined(WITH_DEBUG_KBD)
  if (press || release)
    WLog_DBG(TAG, "changing flag %s[0x%08" PRIx32 "] to %s", name, flag,
             press ? "DOWN" : "RELEASE");
#endif
 
  if (press)
  {
    if (!freerdp_input_send_keyboard_event(input, keyFlags | KBD_FLAGS_DOWN, scancode))
      return FALSE;
  }
 
  if (release)
  {
    if (!freerdp_input_send_keyboard_event(input, keyFlags | KBD_FLAGS_RELEASE, scancode))
      return FALSE;
  }
 
  return TRUE;
}
 
static BOOL updateFlagStates(rdpInput *input, UINT32 modFlags, UINT32 aKbdModFlags)
{
  updateFlagState(input, modFlags, aKbdModFlags, NSEventModifierFlagCapsLock);
  updateFlagState(input, modFlags, aKbdModFlags, NSEventModifierFlagShift);
  updateFlagState(input, modFlags, aKbdModFlags, NSEventModifierFlagControl);
  updateFlagState(input, modFlags, aKbdModFlags, NSEventModifierFlagOption);
  updateFlagState(input, modFlags, aKbdModFlags, NSEventModifierFlagCommand);
  updateFlagState(input, modFlags, aKbdModFlags, NSEventModifierFlagNumericPad);
  return TRUE;
}
 
static BOOL releaseFlagStates(rdpInput *input, UINT32 aKbdModFlags)
{
  return updateFlagStates(input, 0, aKbdModFlags);
}
 
- (void)releaseResources
{
  for (int i = 0; i < argc; i++)
    free(argv[i]);
 
  if (!is_connected)
    return;
 
  free(pixel_data);
}
 
- (void)drawRect:(NSRect)rect
{
  if (!context)
    return;
 
  if (self->bitmap_context)
  {
    CGContextRef cgContext = [[NSGraphicsContext currentContext] CGContext];
    CGImageRef cgImage = CGBitmapContextCreateImage(self->bitmap_context);
    CGContextSaveGState(cgContext);
    CGContextClipToRect(
        cgContext, CGRectMake(rect.origin.x, rect.origin.y, rect.size.width, rect.size.height));
    CGContextDrawImage(cgContext,
                       CGRectMake(0, 0, [self bounds].size.width, [self bounds].size.height),
                       cgImage);
    CGContextRestoreGState(cgContext);
    CGImageRelease(cgImage);
  }
  else
  {
    /* Fill the screen with black */
    [[NSColor blackColor] set];
    NSRectFill([self bounds]);
  }
}
 
- (void)onPasteboardTimerFired:(NSTimer *)timer
{
  UINT32 formatId;
  BOOL formatMatch;
  int changeCount;
  NSData *formatData;
  NSString *formatString;
  const char *formatType;
  NSPasteboardItem *item;
  changeCount = (int)[pasteboard_rd changeCount];
 
  if (changeCount == pasteboard_changecount)
    return;
 
  pasteboard_changecount = changeCount;
  NSArray *items = [pasteboard_rd pasteboardItems];
 
  if ([items count] < 1)
    return;
 
  item = [items objectAtIndex:0];
  formatMatch = FALSE;
 
  for (NSString *type in [item types])
  {
    formatType = [type UTF8String];
 
    if (strcmp(formatType, "public.utf8-plain-text") == 0)
    {
      formatData = [item dataForType:type];
 
      if (formatData == nil)
      {
        break;
      }
 
      formatString = [[NSString alloc] initWithData:formatData encoding:NSUTF8StringEncoding];
 
      const char *data = [formatString cStringUsingEncoding:NSUTF8StringEncoding];
      const size_t dataLen = [formatString lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
      formatId = ClipboardRegisterFormat(mfc->clipboard, "text/plain");
      ClipboardSetData(mfc->clipboard, formatId, data, dataLen + 1);
      [formatString release];
 
      formatMatch = TRUE;
 
      break;
    }
  }
 
  if (!formatMatch)
    ClipboardEmpty(mfc->clipboard);
 
  if (mfc->clipboardSync)
    mac_cliprdr_send_client_format_list(mfc->cliprdr);
}
 
- (void)pause
{
  dispatch_async(dispatch_get_main_queue(), ^{
    [self->pasteboard_timer invalidate];
  });
  NSArray *trackingAreas = self.trackingAreas;
 
  for (NSTrackingArea *ta in trackingAreas)
  {
    [self removeTrackingArea:ta];
  }
  releaseFlagStates(instance->context->input, kbdModFlags);
  kbdModFlags = 0;
}
 
- (void)resume
{
  if (!self.is_connected)
    return;
 
  releaseFlagStates(instance->context->input, kbdModFlags);
  kbdModFlags = 0;
  freerdp_input_send_focus_in_event(instance->context->input, 0);
 
  dispatch_async(dispatch_get_main_queue(), ^{
    self->pasteboard_timer =
        [NSTimer scheduledTimerWithTimeInterval:0.5
                                         target:self
                                       selector:@selector(onPasteboardTimerFired:)
                                       userInfo:nil
                                        repeats:YES];
 
    NSTrackingArea *trackingArea = [[NSTrackingArea alloc]
        initWithRect:[self visibleRect]
             options:NSTrackingMouseEnteredAndExited | NSTrackingMouseMoved |
                     NSTrackingCursorUpdate | NSTrackingEnabledDuringMouseDrag |
                     NSTrackingActiveWhenFirstResponder
               owner:self
            userInfo:nil];
    [self addTrackingArea:trackingArea];
    [trackingArea release];
  });
}
 
- (void)setScrollOffset:(int)xOffset y:(int)yOffset w:(int)width h:(int)height
{
  WINPR_ASSERT(mfc);
 
  mfc->yCurrentScroll = yOffset;
  mfc->xCurrentScroll = xOffset;
  mfc->client_height = height;
  mfc->client_width = width;
}
 
static void mac_OnChannelConnectedEventHandler(void *context, const ChannelConnectedEventArgs *e)
{
  rdpSettings *settings;
  mfContext *mfc = (mfContext *)context;
 
  WINPR_ASSERT(mfc);
  WINPR_ASSERT(e);
 
  settings = mfc->common.context.settings;
  WINPR_ASSERT(settings);
 
  if (strcmp(e->name, CLIPRDR_SVC_CHANNEL_NAME) == 0)
  {
    mac_cliprdr_init(mfc, (CliprdrClientContext *)e->pInterface);
  }
  else if (strcmp(e->name, ENCOMSP_SVC_CHANNEL_NAME) == 0)
  {
  }
  else
    freerdp_client_OnChannelConnectedEventHandler(context, e);
}
 
static void mac_OnChannelDisconnectedEventHandler(void *context,
                                                  const ChannelDisconnectedEventArgs *e)
{
  rdpSettings *settings;
  mfContext *mfc = (mfContext *)context;
 
  WINPR_ASSERT(mfc);
  WINPR_ASSERT(e);
 
  settings = mfc->common.context.settings;
  WINPR_ASSERT(settings);
 
  if (strcmp(e->name, CLIPRDR_SVC_CHANNEL_NAME) == 0)
  {
    mac_cliprdr_uninit(mfc, (CliprdrClientContext *)e->pInterface);
  }
  else if (strcmp(e->name, ENCOMSP_SVC_CHANNEL_NAME) == 0)
  {
  }
  else
    freerdp_client_OnChannelDisconnectedEventHandler(context, e);
}
 
BOOL mac_pre_connect(freerdp *instance)
{
  rdpSettings *settings;
  rdpUpdate *update;
 
  WINPR_ASSERT(instance);
  WINPR_ASSERT(instance->context);
 
  update = instance->context->update;
  WINPR_ASSERT(update);
 
  update->BeginPaint = mac_begin_paint;
  update->EndPaint = mac_end_paint;
  update->DesktopResize = mac_desktop_resize;
 
  settings = instance->context->settings;
  WINPR_ASSERT(settings);
 
  if (!freerdp_settings_get_string(settings, FreeRDP_ServerHostname))
  {
    WLog_ERR(TAG, "error: server hostname was not specified with /v:<server>[:port]");
    return FALSE;
  }
 
  if (!freerdp_settings_set_uint32(settings, FreeRDP_OsMajorType, OSMAJORTYPE_MACINTOSH))
    return FALSE;
  if (!freerdp_settings_set_uint32(settings, FreeRDP_OsMinorType, OSMINORTYPE_MACINTOSH))
    return FALSE;
  PubSub_SubscribeChannelConnected(instance->context->pubSub, mac_OnChannelConnectedEventHandler);
  PubSub_SubscribeChannelDisconnected(instance->context->pubSub,
                                      mac_OnChannelDisconnectedEventHandler);
 
  return TRUE;
}
 
BOOL mac_post_connect(freerdp *instance)
{
  rdpGdi *gdi;
  rdpPointer rdp_pointer = { 0 };
  mfContext *mfc;
  MRDPView *view;
 
  WINPR_ASSERT(instance);
 
  mfc = (mfContext *)instance->context;
  WINPR_ASSERT(mfc);
 
  view = (MRDPView *)mfc->view;
  WINPR_ASSERT(view);
 
  rdp_pointer.size = sizeof(rdpPointer);
  rdp_pointer.New = mf_Pointer_New;
  rdp_pointer.Free = mf_Pointer_Free;
  rdp_pointer.Set = mf_Pointer_Set;
  rdp_pointer.SetNull = mf_Pointer_SetNull;
  rdp_pointer.SetDefault = mf_Pointer_SetDefault;
  rdp_pointer.SetPosition = mf_Pointer_SetPosition;
 
  if (!gdi_init(instance, PIXEL_FORMAT_BGRX32))
    return FALSE;
 
  gdi = instance->context->gdi;
  view->bitmap_context = mac_create_bitmap_context(instance->context);
  graphics_register_pointer(instance->context->graphics, &rdp_pointer);
  /* setup pasteboard (aka clipboard) for copy operations (write only) */
  view->pasteboard_wr = [NSPasteboard generalPasteboard];
  /* setup pasteboard for read operations */
  dispatch_async(dispatch_get_main_queue(), ^{
    view->pasteboard_rd = [NSPasteboard generalPasteboard];
    view->pasteboard_changecount = -1;
  });
  [view resume];
  mfc->appleKeyboardType = mac_detect_keyboard_type();
  return TRUE;
}
 
void mac_post_disconnect(freerdp *instance)
{
  mfContext *mfc;
  MRDPView *view;
  if (!instance || !instance->context)
    return;
 
  mfc = (mfContext *)instance->context;
  view = (MRDPView *)mfc->view;
 
  [view pause];
 
  PubSub_UnsubscribeChannelConnected(instance->context->pubSub,
                                     mac_OnChannelConnectedEventHandler);
  PubSub_UnsubscribeChannelDisconnected(instance->context->pubSub,
                                        mac_OnChannelDisconnectedEventHandler);
  gdi_free(instance);
}
 
static BOOL mac_show_auth_dialog(MRDPView *view, NSString *title, char **username, char **password,
                                 char **domain)
{
  WINPR_ASSERT(view);
  WINPR_ASSERT(title);
  WINPR_ASSERT(username);
  WINPR_ASSERT(password);
  WINPR_ASSERT(domain);
 
  PasswordDialog *dialog = [PasswordDialog new];
 
  dialog.serverHostname = title;
 
  if (*username)
    dialog.username = [NSString stringWithCString:*username encoding:NSUTF8StringEncoding];
 
  if (*password)
    dialog.password = [NSString stringWithCString:*password encoding:NSUTF8StringEncoding];
 
  if (*domain)
    dialog.domain = [NSString stringWithCString:*domain encoding:NSUTF8StringEncoding];
 
  free(*username);
  free(*password);
  free(*domain);
  *username = NULL;
  *password = NULL;
  *domain = NULL;
 
  dispatch_sync(dispatch_get_main_queue(), ^{
    [dialog performSelectorOnMainThread:@selector(runModal:)
                             withObject:[view window]
                          waitUntilDone:TRUE];
  });
  BOOL ok = dialog.modalCode;
 
  if (ok)
  {
    const char *submittedUsername = [dialog.username cStringUsingEncoding:NSUTF8StringEncoding];
    const size_t submittedUsernameLen =
        [dialog.username lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
    if (submittedUsername && (submittedUsernameLen > 0))
      *username = strndup(submittedUsername, submittedUsernameLen);
 
    if (!(*username))
      return FALSE;
 
    const char *submittedPassword = [dialog.password cStringUsingEncoding:NSUTF8StringEncoding];
    const size_t submittedPasswordLen =
        [dialog.password lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
    if (submittedPassword && (submittedPasswordLen > 0))
      *password = strndup(submittedPassword, submittedPasswordLen);
 
    if (!(*password))
      return FALSE;
 
    const char *submittedDomain = [dialog.domain cStringUsingEncoding:NSUTF8StringEncoding];
    const size_t submittedDomainLen =
        [dialog.domain lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
    if (submittedDomain && (submittedDomainLen > 0))
    {
      *domain = strndup(submittedDomain, submittedDomainLen);
      if (!(*domain))
        return FALSE;
    }
  }
 
  return ok;
}
 
static BOOL mac_authenticate_raw(freerdp *instance, char **username, char **password, char **domain,
                                 rdp_auth_reason reason)
{
  BOOL pinOnly = FALSE;
 
  WINPR_ASSERT(instance);
  WINPR_ASSERT(instance->context);
  WINPR_ASSERT(instance->context->settings);
 
  const rdpSettings *settings = instance->context->settings;
  mfContext *mfc = (mfContext *)instance->context;
  MRDPView *view = (MRDPView *)mfc->view;
  NSString *title = NULL;
 
  switch (reason)
  {
    case AUTH_SMARTCARD_PIN:
      pinOnly = TRUE;
      title = [NSString
          stringWithFormat:@"%@:%u",
                           [NSString stringWithCString:freerdp_settings_get_string(
                                                           settings, FreeRDP_ServerHostname)
                                              encoding:NSUTF8StringEncoding],
                           freerdp_settings_get_uint32(settings, FreeRDP_ServerPort)];
      break;
    case AUTH_TLS:
    case AUTH_RDP:
    case AUTH_NLA:
      title = [NSString
          stringWithFormat:@"%@:%u",
                           [NSString stringWithCString:freerdp_settings_get_string(
                                                           settings, FreeRDP_ServerHostname)
                                              encoding:NSUTF8StringEncoding],
                           freerdp_settings_get_uint32(settings, FreeRDP_ServerPort)];
      break;
    case GW_AUTH_HTTP:
    case GW_AUTH_RDG:
    case GW_AUTH_RPC:
      title = [NSString
          stringWithFormat:@"%@:%u",
                           [NSString stringWithCString:freerdp_settings_get_string(
                                                           settings, FreeRDP_GatewayHostname)
                                              encoding:NSUTF8StringEncoding],
                           freerdp_settings_get_uint32(settings, FreeRDP_GatewayPort)];
      break;
    default:
      return FALSE;
  }
 
  if (!username || !password || !domain)
    return FALSE;
 
  if (!*username && !pinOnly)
  {
    if (!mac_show_auth_dialog(view, title, username, password, domain))
      goto fail;
  }
  else if (!*domain && !pinOnly)
  {
    if (!mac_show_auth_dialog(view, title, username, password, domain))
      goto fail;
  }
  else if (!*password)
  {
    if (!mac_show_auth_dialog(view, title, username, password, domain))
      goto fail;
  }
 
  return TRUE;
fail:
  free(*username);
  free(*domain);
  free(*password);
  *username = NULL;
  *domain = NULL;
  *password = NULL;
  return FALSE;
}
 
BOOL mac_authenticate_ex(freerdp *instance, char **username, char **password, char **domain,
                         rdp_auth_reason reason)
{
  WINPR_ASSERT(instance);
  WINPR_ASSERT(username);
  WINPR_ASSERT(password);
  WINPR_ASSERT(domain);
 
  NSString *title;
  switch (reason)
  {
    case AUTH_NLA:
      break;
 
    case AUTH_TLS:
    case AUTH_RDP:
    case AUTH_SMARTCARD_PIN: /* in this case password is pin code */
      if ((*username) && (*password))
        return TRUE;
      break;
    case GW_AUTH_HTTP:
    case GW_AUTH_RDG:
    case GW_AUTH_RPC:
      break;
    default:
      return FALSE;
  }
 
  return mac_authenticate_raw(instance, username, password, domain, reason);
}
 
DWORD mac_verify_certificate_ex(freerdp *instance, const char *host, UINT16 port,
                                const char *common_name, const char *subject, const char *issuer,
                                const char *fingerprint, DWORD flags)
{
  mfContext *mfc = (mfContext *)instance->context;
  MRDPView *view = (MRDPView *)mfc->view;
  CertificateDialog *dialog = [CertificateDialog new];
  const char *type = "RDP-Server";
  char hostname[8192] = { 0 };
 
  if (flags & VERIFY_CERT_FLAG_GATEWAY)
    type = "RDP-Gateway";
 
  if (flags & VERIFY_CERT_FLAG_REDIRECT)
    type = "RDP-Redirect";
 
  sprintf_s(hostname, sizeof(hostname), "%s %s:%" PRIu16, type, host, port);
  dialog.serverHostname = [NSString stringWithCString:hostname encoding:NSUTF8StringEncoding];
  dialog.commonName = [NSString stringWithCString:common_name encoding:NSUTF8StringEncoding];
  dialog.subject = [NSString stringWithCString:subject encoding:NSUTF8StringEncoding];
  dialog.issuer = [NSString stringWithCString:issuer encoding:NSUTF8StringEncoding];
  dialog.fingerprint = [NSString stringWithCString:fingerprint encoding:NSUTF8StringEncoding];
 
  if (flags & VERIFY_CERT_FLAG_MISMATCH)
    dialog.hostMismatch = TRUE;
 
  if (flags & VERIFY_CERT_FLAG_CHANGED)
    dialog.changed = TRUE;
 
  [dialog performSelectorOnMainThread:@selector(runModal:)
                           withObject:[view window]
                        waitUntilDone:TRUE];
  return dialog.result;
}
 
DWORD mac_verify_changed_certificate_ex(freerdp *instance, const char *host, UINT16 port,
                                        const char *common_name, const char *subject,
                                        const char *issuer, const char *fingerprint,
                                        const char *old_subject, const char *old_issuer,
                                        const char *old_fingerprint, DWORD flags)
{
  mfContext *mfc = (mfContext *)instance->context;
  MRDPView *view = (MRDPView *)mfc->view;
  CertificateDialog *dialog = [CertificateDialog new];
  const char *type = "RDP-Server";
  char hostname[8192];
 
  if (flags & VERIFY_CERT_FLAG_GATEWAY)
    type = "RDP-Gateway";
 
  if (flags & VERIFY_CERT_FLAG_REDIRECT)
    type = "RDP-Redirect";
 
  sprintf_s(hostname, sizeof(hostname), "%s %s:%" PRIu16, type, host, port);
  dialog.serverHostname = [NSString stringWithCString:hostname encoding:NSUTF8StringEncoding];
  dialog.commonName = [NSString stringWithCString:common_name encoding:NSUTF8StringEncoding];
  dialog.subject = [NSString stringWithCString:subject encoding:NSUTF8StringEncoding];
  dialog.issuer = [NSString stringWithCString:issuer encoding:NSUTF8StringEncoding];
  dialog.fingerprint = [NSString stringWithCString:fingerprint encoding:NSUTF8StringEncoding];
 
  if (flags & VERIFY_CERT_FLAG_MISMATCH)
    dialog.hostMismatch = TRUE;
 
  if (flags & VERIFY_CERT_FLAG_CHANGED)
    dialog.changed = TRUE;
 
  [dialog performSelectorOnMainThread:@selector(runModal:)
                           withObject:[view window]
                        waitUntilDone:TRUE];
  return dialog.result;
}
 
int mac_logon_error_info(freerdp *instance, UINT32 data, UINT32 type)
{
  const char *str_data = freerdp_get_logon_error_info_data(data);
  const char *str_type = freerdp_get_logon_error_info_type(type);
  // TODO: Error message dialog
  WLog_INFO(TAG, "Logon Error Info %s [%s]", str_data, str_type);
  return 1;
}
 
BOOL mf_Pointer_New(rdpContext *context, rdpPointer *pointer)
{
  rdpGdi *gdi;
  NSRect rect;
  NSImage *image;
  NSPoint hotSpot;
  NSCursor *cursor;
  BYTE *cursor_data;
  NSMutableArray *ma;
  NSBitmapImageRep *bmiRep;
  MRDPCursor *mrdpCursor = [[MRDPCursor alloc] init];
  mfContext *mfc = (mfContext *)context;
  MRDPView *view;
  UINT32 format;
 
  if (!mfc || !context || !pointer)
    return FALSE;
 
  view = (MRDPView *)mfc->view;
  gdi = context->gdi;
 
  if (!gdi || !view)
    return FALSE;
 
  rect.size.width = pointer->width;
  rect.size.height = pointer->height;
  rect.origin.x = pointer->xPos;
  rect.origin.y = pointer->yPos;
  cursor_data = (BYTE *)malloc(rect.size.width * rect.size.height * 4);
 
  if (!cursor_data)
    return FALSE;
 
  mrdpCursor->cursor_data = cursor_data;
  format = PIXEL_FORMAT_RGBA32;
 
  if (!freerdp_image_copy_from_pointer_data(cursor_data, format, 0, 0, 0, pointer->width,
                                            pointer->height, pointer->xorMaskData,
                                            pointer->lengthXorMask, pointer->andMaskData,
                                            pointer->lengthAndMask, pointer->xorBpp, NULL))
  {
    free(cursor_data);
    mrdpCursor->cursor_data = NULL;
    return FALSE;
  }
 
  /* store cursor bitmap image in representation - required by NSImage */
  bmiRep = [[NSBitmapImageRep alloc]
      initWithBitmapDataPlanes:(unsigned char **)&cursor_data
                    pixelsWide:rect.size.width
                    pixelsHigh:rect.size.height
                 bitsPerSample:8
               samplesPerPixel:4
                      hasAlpha:YES
                      isPlanar:NO
                colorSpaceName:NSDeviceRGBColorSpace
                  bitmapFormat:0
                   bytesPerRow:rect.size.width * FreeRDPGetBytesPerPixel(format)
                  bitsPerPixel:0];
  mrdpCursor->bmiRep = bmiRep;
  /* create an image using above representation */
  image = [[NSImage alloc] initWithSize:[bmiRep size]];
  [image addRepresentation:bmiRep];
  mrdpCursor->nsImage = image;
  /* need hotspot to create cursor */
  hotSpot.x = pointer->xPos;
  hotSpot.y = pointer->yPos;
  cursor = [[NSCursor alloc] initWithImage:image hotSpot:hotSpot];
  mrdpCursor->nsCursor = cursor;
  mrdpCursor->pointer = pointer;
  /* save cursor for later use in mf_Pointer_Set() */
  ma = view->cursors;
  [ma addObject:mrdpCursor];
  return TRUE;
}
 
void mf_Pointer_Free(rdpContext *context, rdpPointer *pointer)
{
  mfContext *mfc = (mfContext *)context;
  MRDPView *view = (MRDPView *)mfc->view;
  NSMutableArray *ma = view->cursors;
 
  for (MRDPCursor *cursor in ma)
  {
    if (cursor->pointer == pointer)
    {
      cursor->nsImage = nil;
      cursor->nsCursor = nil;
      cursor->bmiRep = nil;
      free(cursor->cursor_data);
      [ma removeObject:cursor];
      return;
    }
  }
}
 
BOOL mf_Pointer_Set(rdpContext *context, rdpPointer *pointer)
{
  mfContext *mfc = (mfContext *)context;
  MRDPView *view = (MRDPView *)mfc->view;
  NSMutableArray *ma = view->cursors;
 
  for (MRDPCursor *cursor in ma)
  {
    if (cursor->pointer == pointer)
    {
      [view setCursor:cursor->nsCursor];
      return TRUE;
    }
  }
 
  NSLog(@"Cursor not found");
  return TRUE;
}
 
BOOL mf_Pointer_SetNull(rdpContext *context)
{
  return TRUE;
}
 
BOOL mf_Pointer_SetDefault(rdpContext *context)
{
  mfContext *mfc = (mfContext *)context;
  MRDPView *view = (MRDPView *)mfc->view;
  [view setCursor:[NSCursor arrowCursor]];
  return TRUE;
}
 
static BOOL mf_Pointer_SetPosition(rdpContext *context, UINT32 x, UINT32 y)
{
  mfContext *mfc = (mfContext *)context;
 
  if (!mfc)
    return FALSE;
 
  /* TODO: Set pointer position */
  return TRUE;
}
 
CGContextRef mac_create_bitmap_context(rdpContext *context)
{
  CGContextRef bitmap_context;
  rdpGdi *gdi = context->gdi;
  UINT32 bpp = FreeRDPGetBytesPerPixel(gdi->dstFormat);
  CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
 
  if (bpp == 2)
  {
    bitmap_context = CGBitmapContextCreate(
        gdi->primary_buffer, gdi->width, gdi->height, 5, gdi->stride, colorSpace,
        kCGBitmapByteOrder16Little | kCGImageAlphaNoneSkipFirst);
  }
  else
  {
    bitmap_context = CGBitmapContextCreate(
        gdi->primary_buffer, gdi->width, gdi->height, 8, gdi->stride, colorSpace,
        kCGBitmapByteOrder32Little | kCGImageAlphaNoneSkipFirst);
  }
 
  CGColorSpaceRelease(colorSpace);
  return bitmap_context;
}
 
BOOL mac_begin_paint(rdpContext *context)
{
  rdpGdi *gdi = context->gdi;
 
  if (!gdi)
    return FALSE;
 
  gdi->primary->hdc->hwnd->invalid->null = TRUE;
  return TRUE;
}
 
BOOL mac_end_paint(rdpContext *context)
{
  rdpGdi *gdi;
  HGDI_RGN invalid;
  NSRect newDrawRect;
  int ww, wh, dw, dh;
  mfContext *mfc = (mfContext *)context;
  MRDPView *view = (MRDPView *)mfc->view;
  gdi = context->gdi;
 
  if (!gdi)
    return FALSE;
 
  ww = mfc->client_width;
  wh = mfc->client_height;
  dw = freerdp_settings_get_uint32(mfc->common.context.settings, FreeRDP_DesktopWidth);
  dh = freerdp_settings_get_uint32(mfc->common.context.settings, FreeRDP_DesktopHeight);
 
  if ((!context) || (!context->gdi))
    return FALSE;
 
  if (context->gdi->primary->hdc->hwnd->invalid->null)
    return TRUE;
 
  invalid = gdi->primary->hdc->hwnd->invalid;
  newDrawRect.origin.x = invalid->x;
  newDrawRect.origin.y = invalid->y;
  newDrawRect.size.width = invalid->w;
  newDrawRect.size.height = invalid->h;
 
  if (freerdp_settings_get_bool(mfc->common.context.settings, FreeRDP_SmartSizing) &&
      (ww != dw || wh != dh))
  {
    newDrawRect.origin.y = newDrawRect.origin.y * wh / dh - 1;
    newDrawRect.size.height = newDrawRect.size.height * wh / dh + 1;
    newDrawRect.origin.x = newDrawRect.origin.x * ww / dw - 1;
    newDrawRect.size.width = newDrawRect.size.width * ww / dw + 1;
  }
  else
  {
    newDrawRect.origin.y = newDrawRect.origin.y - 1;
    newDrawRect.size.height = newDrawRect.size.height + 1;
    newDrawRect.origin.x = newDrawRect.origin.x - 1;
    newDrawRect.size.width = newDrawRect.size.width + 1;
  }
 
  windows_to_apple_cords(mfc->view, &newDrawRect);
  dispatch_sync(dispatch_get_main_queue(), ^{
    [view setNeedsDisplayInRect:newDrawRect];
  });
  gdi->primary->hdc->hwnd->ninvalid = 0;
  return TRUE;
}
 
BOOL mac_desktop_resize(rdpContext *context)
{
  ResizeWindowEventArgs e;
  mfContext *mfc = (mfContext *)context;
  MRDPView *view = (MRDPView *)mfc->view;
  rdpSettings *settings = context->settings;
 
  if (!context->gdi)
    return TRUE;
 
  CGContextRef old_context = view->bitmap_context;
  view->bitmap_context = NULL;
  CGContextRelease(old_context);
  mfc->width = freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth);
  mfc->height = freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight);
 
  if (!gdi_resize(context->gdi, mfc->width, mfc->height))
    return FALSE;
 
  view->bitmap_context = mac_create_bitmap_context(context);
 
  if (!view->bitmap_context)
    return FALSE;
 
  mfc->client_width = mfc->width;
  mfc->client_height = mfc->height;
  [view setFrameSize:NSMakeSize(mfc->width, mfc->height)];
  EventArgsInit(&e, "mfreerdp");
  e.width = freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth);
  e.height = freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight);
  PubSub_OnResizeWindow(context->pubSub, context, &e);
  return TRUE;
}
 
void input_activity_cb(freerdp *instance)
{
  int status;
  wMessage message;
  wMessageQueue *queue;
  status = 1;
  queue = freerdp_get_message_queue(instance, FREERDP_INPUT_MESSAGE_QUEUE);
 
  if (queue)
  {
    while (MessageQueue_Peek(queue, &message, TRUE))
    {
      status = freerdp_message_queue_process_message(instance, FREERDP_INPUT_MESSAGE_QUEUE,
                                                     &message);
 
      if (!status)
        break;
    }
  }
  else
  {
    WLog_ERR(TAG, "input_activity_cb: No queue!");
  }
}
 
void windows_to_apple_cords(MRDPView *view, NSRect *r)
{
  dispatch_sync(dispatch_get_main_queue(), ^{
    r->origin.y = [view frame].size.height - (r->origin.y + r->size.height);
  });
}
 
@end