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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 "ui/gfx/size.h"
      9 
     10 #if defined(TOOLKIT_VIEWS)
     11 #include "chrome/browser/ui/views/notifications/balloon_view.h"
     12 #else
     13 #include "chrome/browser/ui/gtk/notifications/balloon_view_gtk.h"
     14 #endif
     15 
     16 Balloon* BalloonCollectionImpl::MakeBalloon(const Notification& notification,
     17                                             Profile* profile) {
     18   Balloon* balloon = new Balloon(notification, profile, this);
     19 
     20   balloon->set_view(new BalloonViewImpl(this));
     21   gfx::Size size(layout_.min_balloon_width(), layout_.min_balloon_height());
     22   balloon->set_content_size(size);
     23   return balloon;
     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 5;
     36 }
     37 
     38 void BalloonCollectionImpl::PositionBalloons(bool reposition) {
     39   PositionBalloonsInternal(reposition);
     40 }
     41 
     42 void BalloonCollectionImpl::DidProcessEvent(GdkEvent* event) {
     43   switch (event->type) {
     44     case GDK_MOTION_NOTIFY:
     45     case GDK_LEAVE_NOTIFY:
     46       HandleMouseMoveEvent();
     47       break;
     48     default:
     49       break;
     50   }
     51 }
     52 
     53 bool BalloonCollectionImpl::IsCursorInBalloonCollection() const {
     54   GdkScreen* screen = gdk_screen_get_default();
     55   GdkDisplay* display = gdk_screen_get_display(screen);
     56   gint x, y;
     57   gdk_display_get_pointer(display, NULL, &x, &y, NULL);
     58   gfx::Point cursor(x, y);
     59 
     60   return GetBalloonsBoundingBox().Contains(cursor);
     61 }
     62 
     63 void BalloonCollectionImpl::SetPositionPreference(
     64     PositionPreference position) {
     65   if (position == DEFAULT_POSITION)
     66     position = LOWER_RIGHT;
     67 
     68   // All positioning schemes are vertical, and linux
     69   // uses the normal screen orientation.
     70   if (position == UPPER_RIGHT)
     71     layout_.set_placement(Layout::VERTICALLY_FROM_TOP_RIGHT);
     72   else if (position == UPPER_LEFT)
     73     layout_.set_placement(Layout::VERTICALLY_FROM_TOP_LEFT);
     74   else if (position == LOWER_LEFT)
     75     layout_.set_placement(Layout::VERTICALLY_FROM_BOTTOM_LEFT);
     76   else if (position == LOWER_RIGHT)
     77     layout_.set_placement(Layout::VERTICALLY_FROM_BOTTOM_RIGHT);
     78   else
     79     NOTREACHED();
     80 
     81   PositionBalloons(true);
     82 }
     83 
     84 // static
     85 BalloonCollection* BalloonCollection::Create() {
     86   return new BalloonCollectionImpl();
     87 }
     88