position the balloons after closing in a way that will keep the next one's close button under your mouse; don't reposition them to the normal place until the mouse has left the balloon collection

BUG=47333
TEST=make notifications of different sizes, try to close them all; the X should remain under your mouse
Review URL: http://codereview.chromium.org/2915003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@52526 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 11 insertions, 1 deletions

diff --git a/chrome/browser/notifications/balloon.h b/chrome/browser/notifications/balloon.h
index 87440c9..7f3b604 100644
--- a/chrome/browser/notifications/balloon.h
+++ b/chrome/browser/notifications/balloon.h
@@ -57,9 +57,15 @@ class Balloon {
   const Notification& notification() const { return *notification_.get(); }
   Profile* profile() const { return profile_; }
 
-  const gfx::Point& position() const { return position_; }
+  gfx::Point GetPosition() const {
+    return position_.Add(offset_);
+  }
   void SetPosition(const gfx::Point& upper_left, bool reposition);
 
+  const gfx::Point& offset() { return offset_;}
+  void set_offset(const gfx::Point& offset) { offset_ = offset; }
+  void add_offset(const gfx::Point& offset) { offset_ = offset_.Add(offset); }
+
   const gfx::Size& content_size() const { return content_size_; }
   void set_content_size(const gfx::Size& size) { content_size_ = size; }
 
@@ -115,6 +121,10 @@ class Balloon {
   gfx::Point position_;
   gfx::Size content_size_;
 
+  // Temporary offset for balloons that need to be positioned in a non-standard
+  // position for keeping the close buttons under the mouse cursor.
+  gfx::Point offset_;
+
   // Smallest size for this balloon where scrollbars will be shown.
   gfx::Size min_scrollbar_size_;