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      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 #include "chrome/browser/notifications/balloon.h"
      8 #include "chrome/browser/ui/gtk/notifications/balloon_view_gtk.h"
      9 #include "ui/gfx/size.h"
     10 
     11 Balloon* BalloonCollectionImpl::MakeBalloon(const Notification& notification,
     12                                             Profile* profile) {
     13   Balloon* balloon = new Balloon(notification, profile, this);
     14 
     15   balloon->set_view(new BalloonViewImpl(this));
     16   gfx::Size size(layout_.min_balloon_width(), layout_.min_balloon_height());
     17   balloon->set_content_size(size);
     18   return balloon;
     19 }
     20 
     21 int BalloonCollectionImpl::Layout::InterBalloonMargin() const {
     22   return 5;
     23 }
     24 
     25 int BalloonCollectionImpl::Layout::HorizontalEdgeMargin() const {
     26   return 5;
     27 }
     28 
     29 int BalloonCollectionImpl::Layout::VerticalEdgeMargin() const {
     30   return 5;
     31 }
     32 
     33 bool BalloonCollectionImpl::Layout::NeedToMoveAboveLeftSidePanels() const {
     34   return placement_ == VERTICALLY_FROM_BOTTOM_LEFT;
     35 }
     36 
     37 bool BalloonCollectionImpl::Layout::NeedToMoveAboveRightSidePanels() const {
     38   return placement_ == VERTICALLY_FROM_BOTTOM_RIGHT;
     39 }
     40 
     41 void BalloonCollectionImpl::PositionBalloons(bool reposition) {
     42   PositionBalloonsInternal(reposition);
     43 }
     44 
     45 void BalloonCollectionImpl::WillProcessEvent(GdkEvent* event) {
     46 }
     47 
     48 void BalloonCollectionImpl::DidProcessEvent(GdkEvent* event) {
     49   switch (event->type) {
     50     case GDK_MOTION_NOTIFY:
     51     case GDK_LEAVE_NOTIFY:
     52       HandleMouseMoveEvent();
     53       break;
     54     default:
     55       break;
     56   }
     57 }
     58 
     59 bool BalloonCollectionImpl::IsCursorInBalloonCollection() const {
     60   GdkScreen* screen = gdk_screen_get_default();
     61   GdkDisplay* display = gdk_screen_get_display(screen);
     62   gint x, y;
     63   gdk_display_get_pointer(display, NULL, &x, &y, NULL);
     64 
     65   return GetBalloonsBoundingBox().Contains(gfx::Point(x, y));
     66 }
     67 
     68 void BalloonCollectionImpl::SetPositionPreference(
     69     PositionPreference position) {
     70   if (position == DEFAULT_POSITION)
     71     position = LOWER_RIGHT;
     72 
     73   // All positioning schemes are vertical, and linux
     74   // uses the normal screen orientation.
     75   if (position == UPPER_RIGHT)
     76     layout_.set_placement(Layout::VERTICALLY_FROM_TOP_RIGHT);
     77   else if (position == UPPER_LEFT)
     78     layout_.set_placement(Layout::VERTICALLY_FROM_TOP_LEFT);
     79   else if (position == LOWER_LEFT)
     80     layout_.set_placement(Layout::VERTICALLY_FROM_BOTTOM_LEFT);
     81   else if (position == LOWER_RIGHT)
     82     layout_.set_placement(Layout::VERTICALLY_FROM_BOTTOM_RIGHT);
     83   else
     84     NOTREACHED();
     85 
     86   layout_.ComputeOffsetToMoveAbovePanels();
     87   PositionBalloons(true);
     88 }
     89 
     90 // static
     91 BalloonCollection* BalloonCollection::Create() {
     92   return new BalloonCollectionImpl();
     93 }
     94