Convert the AutocompletePopupPositioner into a BubblePositioner in preparatio...

chrome/browser/views/bubble_border.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this
 // source code is governed by a BSD-style license that can be found in the
 // LICENSE file.
 
 #include "chrome/browser/views/bubble_border.h"
 
 #include "app/gfx/canvas.h"
 #include "app/gfx/path.h"
 #include "app/resource_bundle.h"
 #include "base/logging.h"
 #include "grit/theme_resources.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 // static
 SkBitmap* BubbleBorder::left_ = NULL;
 SkBitmap* BubbleBorder::top_left_ = NULL;
 SkBitmap* BubbleBorder::top_ = NULL;
 SkBitmap* BubbleBorder::top_right_ = NULL;
 SkBitmap* BubbleBorder::right_ = NULL;
 SkBitmap* BubbleBorder::bottom_right_ = NULL;
 SkBitmap* BubbleBorder::bottom_ = NULL;
 SkBitmap* BubbleBorder::bottom_left_ = NULL;
 
+gfx::Rect BubbleBorder::GetBounds(const gfx::Rect& position_relative_to,
+                                  const gfx::Size& contents_size) const {
+  // The spacing (in pixels) between |position_relative_to| and the bubble
+  // content.
+  const int kBubbleSpacing = 2;
+
+  // Desired size is size of contents enlarged by the size of the border images.
+  gfx::Size border_size(contents_size);
+  gfx::Insets insets;
+  GetInsets(&insets);
+  border_size.Enlarge(insets.left() + insets.right(),
+                      insets.top() + insets.bottom());
+
+  int x = position_relative_to.x() + (position_relative_to.width() / 2) -
+      (contents_size.width() / 2) - insets.left();
+  int y = position_relative_to.bottom() - (top_->height() - kBubbleSpacing);
+
+  return gfx::Rect(x, y, border_size.width(), border_size.height());
+}
+
 void BubbleBorder::GetInsets(gfx::Insets* insets) const {
-  // The left, right and bottom edge image sizes define our insets. The corner
-  // images don't determine this because they can extend inside the border (onto
-  // the contained contents).
   insets->Set(top_->height(), left_->width(), bottom_->height(),
               right_->width());
 }
 
 // static
 void BubbleBorder::InitClass() {
   static bool initialized = false;
   if (!initialized) {
     // Load images.
     ResourceBundle& rb = ResourceBundle::GetSharedInstance();
@@ skipping 64 matching lines @@
   // Right edge
   canvas->TileImageInt(*right_, width - r_width, tr_bottom, r_width,
                        br_y - tr_bottom);
 
   // Bottom right corner
   canvas->DrawBitmapInt(*bottom_right_, width - br_width, br_y);
 
   // Bottom edge
   canvas->TileImageInt(*bottom_, bl_width, bottom, width - bl_width - br_width,
                        b_height);
+
   // Bottom left corner
   canvas->DrawBitmapInt(*bottom_left_, 0, bl_y);
 
   // Left edge
   canvas->TileImageInt(*left_, 0, tl_bottom, left_->width(), bl_y - tl_bottom);
 }