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      1 // Copyright (c) 2011 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 #include "chrome/browser/notifications/balloon.h"
      8 #include "chrome/browser/ui/views/notifications/balloon_view.h"
      9 #include "ui/gfx/rect.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 BalloonViewImpl(this));
     15   gfx::Size size(layout_.min_balloon_width(), layout_.min_balloon_height());
     16   balloon->set_content_size(size);
     17   return balloon;
     18 }
     19 
     20 int BalloonCollectionImpl::Layout::InterBalloonMargin() const {
     21   return 3;
     22 }
     23 
     24 int BalloonCollectionImpl::Layout::HorizontalEdgeMargin() const {
     25   return 2;
     26 }
     27 
     28 int BalloonCollectionImpl::Layout::VerticalEdgeMargin() const {
     29   return 0;
     30 }
     31 
     32 void BalloonCollectionImpl::PositionBalloons(bool reposition) {
     33   PositionBalloonsInternal(reposition);
     34 }
     35 
     36 void BalloonCollectionImpl::DidProcessMessage(const MSG& msg) {
     37   switch (msg.message) {
     38     case WM_MOUSEMOVE:
     39     case WM_MOUSELEAVE:
     40     case WM_NCMOUSELEAVE:
     41       HandleMouseMoveEvent();
     42       break;
     43   }
     44 }
     45 
     46 bool BalloonCollectionImpl::IsCursorInBalloonCollection() const {
     47   DWORD pos = GetMessagePos();
     48   gfx::Point cursor(pos);
     49   return GetBalloonsBoundingBox().Contains(cursor);
     50 }
     51 
     52 void BalloonCollectionImpl::SetPositionPreference(
     53     PositionPreference position) {
     54   if (position == DEFAULT_POSITION)
     55     position = LOWER_RIGHT;
     56 
     57   // All positioning schemes are vertical, and windows
     58   // uses the normal screen orientation.
     59   if (position == UPPER_RIGHT)
     60     layout_.set_placement(Layout::VERTICALLY_FROM_TOP_RIGHT);
     61   else if (position == UPPER_LEFT)
     62     layout_.set_placement(Layout::VERTICALLY_FROM_TOP_LEFT);
     63   else if (position == LOWER_LEFT)
     64     layout_.set_placement(Layout::VERTICALLY_FROM_BOTTOM_LEFT);
     65   else if (position == LOWER_RIGHT)
     66     layout_.set_placement(Layout::VERTICALLY_FROM_BOTTOM_RIGHT);
     67   else
     68     NOTREACHED();
     69 
     70   PositionBalloons(true);
     71 }
     72 
     73 // static
     74 BalloonCollection* BalloonCollection::Create() {
     75   return new BalloonCollectionImpl();
     76 }
     77