chrome/browser/ui/cocoa/notifications/balloon_collection_cocoa.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 #include "chrome/browser/notifications/balloon_collection_impl.h"
   6
   7 #import <Cocoa/Cocoa.h>
   8
   9 #include "chrome/browser/ui/cocoa/notifications/balloon_view_bridge.h"
  10
  11 Balloon* BalloonCollectionImpl::MakeBalloon(const Notification& notification,
  12                                             Profile* profile) {
  13   Balloon* balloon = new Balloon(notification, profile, this);
  14   balloon->set_view(new BalloonViewBridge());
  15   gfx::Size size(layout_.min_balloon_width(), layout_.min_balloon_height());
  16   balloon->set_content_size(size);
  17   return balloon;
  18 }
  19
  20 // static
  21 gfx::Rect BalloonCollectionImpl::GetMacWorkArea() {
  22   NSScreen* primary = [[NSScreen screens] objectAtIndex:0];
  23   return gfx::Rect(NSRectToCGRect([primary visibleFrame]));
  24 }
  25
  26 int BalloonCollectionImpl::Layout::InterBalloonMargin() const {
  27   return 5;
  28 }
  29
  30 int BalloonCollectionImpl::Layout::HorizontalEdgeMargin() const {
  31   return 5;
  32 }
  33
  34 int BalloonCollectionImpl::Layout::VerticalEdgeMargin() const {
  35   return 0;
  36 }
  37
  38 bool BalloonCollectionImpl::Layout::NeedToMoveAboveLeftSidePanels() const {
  39   return placement_ == VERTICALLY_FROM_TOP_LEFT;
  40 }
  41
  42 bool BalloonCollectionImpl::Layout::NeedToMoveAboveRightSidePanels() const {
  43   return placement_ == VERTICALLY_FROM_TOP_RIGHT;
  44 }
  45
  46 void BalloonCollectionImpl::PositionBalloons(bool reposition) {
  47   // Use an animation context so that all the balloons animate together.
  48   [NSAnimationContext beginGrouping];
  49   [[NSAnimationContext currentContext] setDuration:0.1f];
  50   PositionBalloonsInternal(reposition);
  51   [NSAnimationContext endGrouping];
  52 }
  53
  54 void BalloonCollectionImpl::SetPositionPreference(
  55     PositionPreference position) {
  56   if (position == DEFAULT_POSITION)
  57     position = UPPER_RIGHT;
  58
  59   // All positioning schemes are vertical, but mac
  60   // uses a vertically reversed screen orientation.
  61   if (position == UPPER_RIGHT)
  62     layout_.set_placement(Layout::VERTICALLY_FROM_BOTTOM_RIGHT);
  63   else if (position == UPPER_LEFT)
  64     layout_.set_placement(Layout::VERTICALLY_FROM_BOTTOM_LEFT);
  65   else if (position == LOWER_LEFT)
  66     layout_.set_placement(Layout::VERTICALLY_FROM_TOP_LEFT);
  67   else if (position == LOWER_RIGHT)
  68     layout_.set_placement(Layout::VERTICALLY_FROM_TOP_RIGHT);
  69   else
  70     NOTREACHED();
  71
  72   layout_.ComputeOffsetToMoveAbovePanels();
  73   PositionBalloons(true);
  74 }
  75
  76 // static
  77 BalloonCollection* BalloonCollection::Create() {
  78   return new BalloonCollectionImpl();
  79 }