src/chrome/browser/ui/views/notifications/balloon_collection_views.cc

   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/views/notifications/balloon_view_views.h"
   9 #include "ui/events/event_constants.h"
  10 #include "ui/events/event_utils.h"
  11 #include "ui/gfx/rect.h"
  12 #include "ui/gfx/screen.h"
  13
  14 Balloon* BalloonCollectionImpl::MakeBalloon(const Notification& notification,
  15                                             Profile* profile) {
  16   Balloon* balloon = new Balloon(notification, profile, this);
  17   balloon->set_view(new BalloonViewImpl(this));
  18   gfx::Size size(layout_.min_balloon_width(), layout_.min_balloon_height());
  19   balloon->set_content_size(size);
  20   return balloon;
  21 }
  22
  23 int BalloonCollectionImpl::Layout::InterBalloonMargin() const {
  24   return 3;
  25 }
  26
  27 int BalloonCollectionImpl::Layout::HorizontalEdgeMargin() const {
  28   return 2;
  29 }
  30
  31 int BalloonCollectionImpl::Layout::VerticalEdgeMargin() const {
  32   return 0;
  33 }
  34
  35 bool BalloonCollectionImpl::Layout::NeedToMoveAboveLeftSidePanels() const {
  36   return placement_ == VERTICALLY_FROM_BOTTOM_LEFT;
  37 }
  38
  39 bool BalloonCollectionImpl::Layout::NeedToMoveAboveRightSidePanels() const {
  40   return placement_ == VERTICALLY_FROM_BOTTOM_RIGHT;
  41 }
  42
  43 void BalloonCollectionImpl::PositionBalloons(bool reposition) {
  44   PositionBalloonsInternal(reposition);
  45 }
  46
  47 base::EventStatus BalloonCollectionImpl::WillProcessEvent(
  48     const base::NativeEvent& event) {
  49   return base::EVENT_CONTINUE;
  50 }
  51
  52 void BalloonCollectionImpl::DidProcessEvent(const base::NativeEvent& event) {
  53 #if defined(OS_WIN)
  54   switch (event.message) {
  55     case WM_MOUSEMOVE:
  56     case WM_MOUSELEAVE:
  57     case WM_NCMOUSELEAVE:
  58       HandleMouseMoveEvent();
  59       break;
  60   }
  61 #elif defined(USE_AURA)
  62   // This is deliberately used only in linux. For an aura build on windows, the
  63   // above block of code is fine.
  64   switch (ui::EventTypeFromNative(event)) {
  65     case ui::ET_MOUSE_MOVED:
  66     case ui::ET_MOUSE_DRAGGED:
  67     case ui::ET_MOUSE_EXITED:
  68       HandleMouseMoveEvent();
  69       break;
  70     default:
  71       break;
  72   }
  73 #else
  74   NOTIMPLEMENTED();
  75 #endif
  76 }
  77
  78 bool BalloonCollectionImpl::IsCursorInBalloonCollection() const {
  79 #if defined(OS_WIN)
  80   gfx::Point cursor(GetMessagePos());
  81 #else
  82   // TODO(saintlou): Not sure if this is correct because on Windows at least
  83   // the following call is GetCursorPos() not GetMessagePos().
  84   // TODO(scottmg): NativeScreen might be wrong. http://crbug.com/133312
  85   gfx::Point cursor(gfx::Screen::GetNativeScreen()->GetCursorScreenPoint());
  86 #endif
  87   return GetBalloonsBoundingBox().Contains(cursor);
  88 }
  89
  90 void BalloonCollectionImpl::SetPositionPreference(
  91     PositionPreference position) {
  92   if (position == DEFAULT_POSITION)
  93     position = LOWER_RIGHT;
  94
  95   // All positioning schemes are vertical, and windows
  96   // uses the normal screen orientation.
  97   if (position == UPPER_RIGHT)
  98     layout_.set_placement(Layout::VERTICALLY_FROM_TOP_RIGHT);
  99   else if (position == UPPER_LEFT)
 100     layout_.set_placement(Layout::VERTICALLY_FROM_TOP_LEFT);
 101   else if (position == LOWER_LEFT)
 102     layout_.set_placement(Layout::VERTICALLY_FROM_BOTTOM_LEFT);
 103   else if (position == LOWER_RIGHT)
 104     layout_.set_placement(Layout::VERTICALLY_FROM_BOTTOM_RIGHT);
 105   else
 106     NOTREACHED();
 107
 108   layout_.ComputeOffsetToMoveAbovePanels();
 109   PositionBalloons(true);
 110 }
 111
 112 // static
 113 BalloonCollection* BalloonCollection::Create() {
 114   return new BalloonCollectionImpl();
 115 }