src/ui/message_center/cocoa/tray_controller.mm

   1 // Copyright (c) 2013 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 #include "ui/message_center/cocoa/tray_controller.h"
   6
   7 #include "ui/base/cocoa/window_size_constants.h"
   8 #include "ui/base/resource/resource_bundle.h"
   9 #import "ui/message_center/cocoa/popup_collection.h"
  10 #import "ui/message_center/cocoa/tray_view_controller.h"
  11 #include "ui/message_center/message_center_tray.h"
  12 #include "ui/message_center/message_center_tray_delegate.h"
  13
  14 @interface MCTrayWindow : NSPanel
  15 @end
  16
  17 @implementation MCTrayWindow
  18
  19 - (BOOL)canBecomeKeyWindow {
  20   return YES;
  21 }
  22
  23 - (void)cancelOperation:(id)sender {
  24   [self orderOut:self];
  25 }
  26
  27 @end
  28
  29 @implementation MCTrayController
  30
  31 - (id)initWithMessageCenterTray:(message_center::MessageCenterTray*)tray {
  32   base::scoped_nsobject<MCTrayWindow> window(
  33       [[MCTrayWindow alloc] initWithContentRect:ui::kWindowSizeDeterminedLater
  34                                       styleMask:NSBorderlessWindowMask |
  35                                                 NSNonactivatingPanelMask
  36                                         backing:NSBackingStoreBuffered
  37                                           defer:NO]);
  38   if ((self = [super initWithWindow:window])) {
  39     tray_ = tray;
  40
  41     [window setDelegate:self];
  42     [window setHasShadow:YES];
  43     [window setHidesOnDeactivate:NO];
  44     [window setLevel:NSFloatingWindowLevel];
  45
  46     viewController_.reset([[MCTrayViewController alloc] initWithMessageCenter:
  47         tray_->message_center()]);
  48     NSView* contentView = [viewController_ view];
  49     [window setFrame:[contentView frame] display:NO];
  50     [window setContentView:contentView];
  51
  52     // The global event monitor will close the tray in response to events
  53     // delivered to other applications, and -windowDidResignKey: will catch
  54     // events within the application.
  55     __block MCTrayController* weakSelf = self;
  56     clickEventMonitor_ =
  57         [NSEvent addGlobalMonitorForEventsMatchingMask:NSLeftMouseDownMask |
  58                                                        NSRightMouseDownMask |
  59                                                        NSOtherMouseDownMask
  60             handler:^(NSEvent* event) {
  61                 [weakSelf windowDidResignKey:nil];
  62             }];
  63   }
  64   return self;
  65 }
  66
  67 - (void)dealloc {
  68   [NSEvent removeMonitor:clickEventMonitor_];
  69   [super dealloc];
  70 }
  71
  72 - (MCTrayViewController*)viewController {
  73   return viewController_.get();
  74 }
  75
  76 - (void)close {
  77   [viewController_ onWindowClosing];
  78   [super close];
  79 }
  80
  81 - (void)showTrayAtRightOf:(NSPoint)rightPoint atLeftOf:(NSPoint)leftPoint {
  82   NSScreen* screen = [[NSScreen screens] objectAtIndex:0];
  83   NSRect screenFrame = [screen visibleFrame];
  84
  85   NSRect frame = [[viewController_ view] frame];
  86
  87   if (rightPoint.x + NSWidth(frame) < NSMaxX(screenFrame)) {
  88     frame.origin.x = rightPoint.x;
  89     frame.origin.y = rightPoint.y - NSHeight(frame);
  90   } else {
  91     frame.origin.x = leftPoint.x - NSWidth(frame);
  92     frame.origin.y = leftPoint.y - NSHeight(frame);
  93   }
  94
  95   [[self window] setFrame:frame display:YES];
  96   [viewController_ scrollToTop];
  97   [self showWindow:nil];
  98 }
  99
 100 - (void)onMessageCenterTrayChanged {
 101   [viewController_ onMessageCenterTrayChanged];
 102 }
 103
 104 - (void)windowDidResignKey:(NSNotification*)notification {
 105   // The settings bubble data structures assume that the settings dialog is
 106   // visible only for short periods of time: There's a fixed list of permissions
 107   // for example.
 108   [viewController_ cleanupSettings];
 109
 110   tray_->HideMessageCenterBubble();
 111 }
 112
 113 @end