src/chrome/browser/ui/cocoa/download/download_item_button.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 "chrome/browser/ui/cocoa/download/download_item_button.h"
   6
   7 #include "base/logging.h"
   8 #include "base/strings/sys_string_conversions.h"
   9 #import "chrome/browser/ui/cocoa/download/download_item_cell.h"
  10 #import "chrome/browser/ui/cocoa/download/download_item_controller.h"
  11 #import "chrome/browser/ui/cocoa/download/download_shelf_context_menu_controller.h"
  12 #import "chrome/browser/ui/cocoa/view_id_util.h"
  13 #import "ui/base/cocoa/nsview_additions.h"
  14
  15 @implementation DownloadItemButton
  16
  17 @synthesize download = downloadPath_;
  18 @synthesize controller = controller_;
  19
  20 // Overridden from DraggableButton.
  21 - (void)beginDrag:(NSEvent*)event {
  22   if (!downloadPath_.empty()) {
  23     NSString* filename = base::SysUTF8ToNSString(downloadPath_.value());
  24     [self dragFile:filename fromRect:[self bounds] slideBack:YES event:event];
  25   }
  26 }
  27
  28 // Override to show a context menu on mouse down if clicked over the context
  29 // menu area.
  30 - (void)mouseDown:(NSEvent*)event {
  31   DCHECK(controller_);
  32   // Override so that we can pop up a context menu on mouse down.
  33   NSCell* cell = [self cell];
  34   DCHECK([cell respondsToSelector:@selector(isMouseOverButtonPart)]);
  35   if ([reinterpret_cast<DownloadItemCell*>(cell) isMouseOverButtonPart]) {
  36     [self.draggableButton mouseDownImpl:event];
  37   } else {
  38     base::scoped_nsobject<DownloadShelfContextMenuController> menuController(
  39         [[DownloadShelfContextMenuController alloc]
  40             initWithItemController:controller_
  41                       withDelegate:self]);
  42
  43     [cell setHighlighted:YES];
  44     [NSMenu popUpContextMenu:[menuController menu]
  45                    withEvent:[NSApp currentEvent]
  46                      forView:self];
  47   }
  48 }
  49
  50 // Override to retain the controller, in case a closure is pumped that deletes
  51 // the DownloadItemController while the menu is open <http://crbug.com/129826>.
  52 - (void)rightMouseDown:(NSEvent*)event {
  53   base::scoped_nsobject<DownloadItemController> ref([controller_ retain]);
  54   [super rightMouseDown:event];
  55 }
  56
  57 - (void)menuDidClose:(NSMenu*)menu {
  58   [[self cell] setHighlighted:NO];
  59 }
  60
  61 - (BOOL)shouldDelayWindowOrderingForEvent:(NSEvent*)event {
  62   return YES;
  63 }
  64
  65 - (BOOL)isOpaque {
  66   // Make this control opaque so that sub-pixel anti-aliasing works when
  67   // CoreAnimation is enabled.
  68   return YES;
  69 }
  70
  71 - (void)drawRect:(NSRect)rect {
  72   NSView* downloadShelfView = [self ancestorWithViewID:VIEW_ID_DOWNLOAD_SHELF];
  73   [self cr_drawUsingAncestor:downloadShelfView inRect:rect];
  74   [super drawRect:rect];
  75 }
  76
  77 @end