src/remoting/host/disconnect_window_mac.mm

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #import <Cocoa/Cocoa.h>
   6
   7 #import "remoting/host/disconnect_window_mac.h"
   8
   9 #include "base/bind.h"
  10 #include "base/compiler_specific.h"
  11 #include "base/i18n/rtl.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "base/strings/string_util.h"
  14 #include "base/strings/sys_string_conversions.h"
  15 #include "remoting/base/string_resources.h"
  16 #include "remoting/host/client_session_control.h"
  17 #include "remoting/host/host_window.h"
  18 #include "ui/base/l10n/l10n_util_mac.h"
  19
  20 @interface DisconnectWindowController()
  21 - (BOOL)isRToL;
  22 - (void)Hide;
  23 @end
  24
  25 const int kMaximumConnectedNameWidthInPixels = 600;
  26
  27 namespace remoting {
  28
  29 class DisconnectWindowMac : public HostWindow {
  30  public:
  31   DisconnectWindowMac();
  32   virtual ~DisconnectWindowMac();
  33
  34   // HostWindow overrides.
  35   virtual void Start(
  36       const base::WeakPtr<ClientSessionControl>& client_session_control)
  37       OVERRIDE;
  38
  39  private:
  40   DisconnectWindowController* window_controller_;
  41
  42   DISALLOW_COPY_AND_ASSIGN(DisconnectWindowMac);
  43 };
  44
  45 DisconnectWindowMac::DisconnectWindowMac()
  46     : window_controller_(nil) {
  47 }
  48
  49 DisconnectWindowMac::~DisconnectWindowMac() {
  50   DCHECK(CalledOnValidThread());
  51
  52   // DisconnectWindowController is responsible for releasing itself in its
  53   // windowWillClose: method.
  54   [window_controller_ Hide];
  55   window_controller_ = nil;
  56 }
  57
  58 void DisconnectWindowMac::Start(
  59     const base::WeakPtr<ClientSessionControl>& client_session_control) {
  60   DCHECK(CalledOnValidThread());
  61   DCHECK(client_session_control);
  62   DCHECK(window_controller_ == nil);
  63
  64   // Create the window.
  65   base::Closure disconnect_callback =
  66       base::Bind(&ClientSessionControl::DisconnectSession,
  67                  client_session_control);
  68   std::string client_jid = client_session_control->client_jid();
  69   std::string username = client_jid.substr(0, client_jid.find('/'));
  70   window_controller_ =
  71       [[DisconnectWindowController alloc] initWithCallback:disconnect_callback
  72                                                   username:username];
  73   [window_controller_ showWindow:nil];
  74 }
  75
  76 // static
  77 scoped_ptr<HostWindow> HostWindow::CreateDisconnectWindow() {
  78   return scoped_ptr<HostWindow>(new DisconnectWindowMac());
  79 }
  80
  81 }  // namespace remoting
  82
  83 @implementation DisconnectWindowController
  84 - (id)initWithCallback:(const base::Closure&)disconnect_callback
  85               username:(const std::string&)username {
  86   self = [super initWithWindowNibName:@"disconnect_window"];
  87   if (self) {
  88     disconnect_callback_ = disconnect_callback;
  89     username_ = base::UTF8ToUTF16(username);
  90   }
  91   return self;
  92 }
  93
  94 - (void)dealloc {
  95   [super dealloc];
  96 }
  97
  98 - (IBAction)stopSharing:(id)sender {
  99   if (!disconnect_callback_.is_null()) {
 100     disconnect_callback_.Run();
 101   }
 102 }
 103
 104 - (BOOL)isRToL {
 105   return base::i18n::IsRTL();
 106 }
 107
 108 - (void)Hide {
 109   disconnect_callback_.Reset();
 110   [self close];
 111 }
 112
 113 - (void)windowDidLoad {
 114   [connectedToField_ setStringValue:l10n_util::GetNSStringF(IDS_MESSAGE_SHARED,
 115                                                             username_)];
 116   [disconnectButton_ setTitle:l10n_util::GetNSString(IDS_STOP_SHARING_BUTTON)];
 117
 118   // Resize the window dynamically based on the content.
 119   CGFloat oldConnectedWidth = NSWidth([connectedToField_ bounds]);
 120   [connectedToField_ sizeToFit];
 121   NSRect connectedToFrame = [connectedToField_ frame];
 122   CGFloat newConnectedWidth = NSWidth(connectedToFrame);
 123
 124   // Set a max width for the connected to text field.
 125   if (newConnectedWidth > kMaximumConnectedNameWidthInPixels) {
 126     newConnectedWidth = kMaximumConnectedNameWidthInPixels;
 127     connectedToFrame.size.width = newConnectedWidth;
 128     [connectedToField_ setFrame:connectedToFrame];
 129   }
 130
 131   CGFloat oldDisconnectWidth = NSWidth([disconnectButton_ bounds]);
 132   [disconnectButton_ sizeToFit];
 133   NSRect disconnectFrame = [disconnectButton_ frame];
 134   CGFloat newDisconnectWidth = NSWidth(disconnectFrame);
 135
 136   // Move the disconnect button appropriately.
 137   disconnectFrame.origin.x += newConnectedWidth - oldConnectedWidth;
 138   [disconnectButton_ setFrame:disconnectFrame];
 139
 140   // Then resize the window appropriately
 141   NSWindow *window = [self window];
 142   NSRect windowFrame = [window frame];
 143   windowFrame.size.width += (newConnectedWidth - oldConnectedWidth +
 144                              newDisconnectWidth - oldDisconnectWidth);
 145   [window setFrame:windowFrame display:NO];
 146
 147   if ([self isRToL]) {
 148     // Handle right to left case
 149     CGFloat buttonInset = NSWidth(windowFrame) - NSMaxX(disconnectFrame);
 150     CGFloat buttonTextSpacing
 151         = NSMinX(disconnectFrame) - NSMaxX(connectedToFrame);
 152     disconnectFrame.origin.x = buttonInset;
 153     connectedToFrame.origin.x = NSMaxX(disconnectFrame) + buttonTextSpacing;
 154     [connectedToField_ setFrame:connectedToFrame];
 155     [disconnectButton_ setFrame:disconnectFrame];
 156   }
 157
 158   // Center the window at the bottom of the screen, above the dock (if present).
 159   NSRect desktopRect = [[NSScreen mainScreen] visibleFrame];
 160   NSRect windowRect = [[self window] frame];
 161   CGFloat x = (NSWidth(desktopRect) - NSWidth(windowRect)) / 2;
 162   CGFloat y = NSMinY(desktopRect);
 163   [[self window] setFrameOrigin:NSMakePoint(x, y)];
 164 }
 165
 166 - (void)windowWillClose:(NSNotification*)notification {
 167   [self stopSharing:self];
 168   [self autorelease];
 169 }
 170
 171 @end
 172
 173
 174 @interface DisconnectWindow()
 175 - (BOOL)isRToL;
 176 @end
 177
 178 @implementation DisconnectWindow
 179
 180 - (id)initWithContentRect:(NSRect)contentRect
 181                 styleMask:(NSUInteger)aStyle
 182                   backing:(NSBackingStoreType)bufferingType
 183                   defer:(BOOL)flag {
 184   // Pass NSBorderlessWindowMask for the styleMask to remove the title bar.
 185   self = [super initWithContentRect:contentRect
 186                           styleMask:NSBorderlessWindowMask
 187                             backing:bufferingType
 188                               defer:flag];
 189
 190   if (self) {
 191     // Set window to be clear and non-opaque so we can see through it.
 192     [self setBackgroundColor:[NSColor clearColor]];
 193     [self setOpaque:NO];
 194     [self setMovableByWindowBackground:YES];
 195
 196     // Pull the window up to Status Level so that it always displays.
 197     [self setLevel:NSStatusWindowLevel];
 198   }
 199   return self;
 200 }
 201
 202 - (BOOL)isRToL {
 203   DCHECK([[self windowController] respondsToSelector:@selector(isRToL)]);
 204   return [[self windowController] isRToL];
 205 }
 206
 207 @end
 208
 209
 210 @interface DisconnectView()
 211 - (BOOL)isRToL;
 212 @end
 213
 214 @implementation DisconnectView
 215
 216 - (BOOL)isRToL {
 217   DCHECK([[self window] isKindOfClass:[DisconnectWindow class]]);
 218   return [static_cast<DisconnectWindow*>([self window]) isRToL];
 219 }
 220
 221 - (void)drawRect:(NSRect)rect {
 222   // All magic numbers taken from screen shots provided by UX.
 223   NSRect bounds = NSInsetRect([self bounds], 1, 1);
 224
 225   NSBezierPath *path = [NSBezierPath bezierPathWithRoundedRect:bounds
 226                                                        xRadius:5
 227                                                        yRadius:5];
 228   NSColor *gray = [NSColor colorWithCalibratedWhite:0.91 alpha:1.0];
 229   [gray setFill];
 230   [path fill];
 231   [path setLineWidth:4];
 232   NSColor *green = [NSColor colorWithCalibratedRed:0.13
 233                                              green:0.69
 234                                               blue:0.11
 235                                              alpha:1.0];
 236   [green setStroke];
 237   [path stroke];
 238
 239
 240   // Draw drag handle on proper side
 241   const CGFloat kHeight = 21.0;
 242   const CGFloat kBaseInset = 12.0;
 243   const CGFloat kDragHandleWidth = 5.0;
 244
 245   NSColor *dark = [NSColor colorWithCalibratedWhite:0.70 alpha:1.0];
 246   NSColor *light = [NSColor colorWithCalibratedWhite:0.97 alpha:1.0];
 247
 248   // Turn off aliasing so it's nice and crisp.
 249   NSGraphicsContext *context = [NSGraphicsContext currentContext];
 250   BOOL alias = [context shouldAntialias];
 251   [context setShouldAntialias:NO];
 252
 253   // Handle bidirectional locales properly.
 254   CGFloat inset = [self isRToL] ? NSMaxX(bounds) - kBaseInset - kDragHandleWidth
 255                                 : kBaseInset;
 256
 257   NSPoint top = NSMakePoint(inset, NSMidY(bounds) - kHeight / 2.0);
 258   NSPoint bottom = NSMakePoint(inset, top.y + kHeight);
 259
 260   path = [NSBezierPath bezierPath];
 261   [path moveToPoint:top];
 262   [path lineToPoint:bottom];
 263   [dark setStroke];
 264   [path stroke];
 265
 266   top.x += 1;
 267   bottom.x += 1;
 268   path = [NSBezierPath bezierPath];
 269   [path moveToPoint:top];
 270   [path lineToPoint:bottom];
 271   [light setStroke];
 272   [path stroke];
 273
 274   top.x += 2;
 275   bottom.x += 2;
 276   path = [NSBezierPath bezierPath];
 277   [path moveToPoint:top];
 278   [path lineToPoint:bottom];
 279   [dark setStroke];
 280   [path stroke];
 281
 282   top.x += 1;
 283   bottom.x += 1;
 284   path = [NSBezierPath bezierPath];
 285   [path moveToPoint:top];
 286   [path lineToPoint:bottom];
 287   [light setStroke];
 288   [path stroke];
 289
 290   [context setShouldAntialias:alias];
 291 }
 292
 293 @end