Adding the page and DPI scale adjustment for Autofill Popups.

chrome/browser/ui/autofill/autofill_popup_controller_impl.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_CONTROLLER_IMPL_H_
 #define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_CONTROLLER_IMPL_H_
 
 #include "base/gtest_prod_util.h"
 #include "base/string16.h"
 #include "chrome/browser/ui/autofill/autofill_popup_controller.h"
 #include "content/public/browser/keyboard_listener.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/rect.h"
+#include "ui/gfx/rect_f.h"
 
 class AutofillPopupDelegate;
 class AutofillPopupView;
 
 namespace gfx {
 class Display;
 }
 
 namespace ui {
 class KeyEvent;
 }
 
 // This class is a controller for an AutofillPopupView. It implements
 // AutofillPopupController to allow calls from AutofillPopupView. The
 // other, public functions are available to its instantiator.
 class AutofillPopupControllerImpl : public AutofillPopupController,
                                     public content::KeyboardListener {
  public:
   // Creates a new |AutofillPopupControllerImpl|, or reuses |previous| if
   // the construction arguments are the same. |previous| may be invalidated by
   // this call.
   static AutofillPopupControllerImpl* GetOrCreate(
       AutofillPopupControllerImpl* previous,
       AutofillPopupDelegate* delegate,
       gfx::NativeView container_view,
-      const gfx::Rect& element_bounds);
+      const gfx::RectF& element_bounds);
 
   // Shows the popup, or updates the existing popup with the given values.
   void Show(const std::vector<string16>& names,
             const std::vector<string16>& subtexts,
             const std::vector<string16>& icons,
             const std::vector<int>& identifiers);
 
   // Hides the popup and destroys the controller. This also invalidates
   // |delegate_|. Virtual for testing.
   virtual void Hide();
 
   // KeyboardListener implementation.
   virtual bool HandleKeyPressEvent(
       const content::NativeWebKeyboardEvent& event) OVERRIDE;
 
  protected:
   FRIEND_TEST_ALL_PREFIXES(AutofillExternalDelegateBrowserTest,
                            CloseWidgetAndNoLeaking);
 
   AutofillPopupControllerImpl(AutofillPopupDelegate* delegate,
                               gfx::NativeView container_view,
-                              const gfx::Rect& element_bounds);
+                              const gfx::RectF& element_bounds);
   virtual ~AutofillPopupControllerImpl();
 
   // AutofillPopupController implementation.
   virtual void ViewDestroyed() OVERRIDE;
   virtual void UpdateBoundsAndRedrawPopup() OVERRIDE;
   virtual void MouseHovered(int x, int y) OVERRIDE;
   virtual void MouseClicked(int x, int y) OVERRIDE;
   virtual void MouseExitedPopup() OVERRIDE;
   virtual void AcceptSuggestion(size_t index) OVERRIDE;
   virtual int GetIconResourceID(const string16& resource_name) OVERRIDE;
   virtual bool CanDelete(size_t index) const OVERRIDE;
   virtual gfx::Rect GetRowBounds(size_t index) OVERRIDE;
   virtual void SetPopupBounds(const gfx::Rect& bounds) OVERRIDE;
   virtual const gfx::Rect& popup_bounds() const OVERRIDE;
   virtual gfx::NativeView container_view() const OVERRIDE;
-  virtual const gfx::Rect& element_bounds() const OVERRIDE;
+  virtual const gfx::RectF& element_bounds() const OVERRIDE;
+
   virtual const std::vector<string16>& names() const OVERRIDE;
   virtual const std::vector<string16>& subtexts() const OVERRIDE;
   virtual const std::vector<string16>& icons() const OVERRIDE;
   virtual const std::vector<int>& identifiers() const OVERRIDE;
 #if !defined(OS_ANDROID)
   virtual const gfx::Font& name_font() const OVERRIDE;
   virtual const gfx::Font& subtext_font() const OVERRIDE;
 #endif
   virtual int selected_line() const OVERRIDE;
   virtual bool delete_icon_hovered() const OVERRIDE;
@@ skipping 42 matching lines @@
   // Protected so tests can access.
 #if !defined(OS_ANDROID)
   // Calculates the desired width of the popup based on its contents.
   int GetDesiredPopupWidth() const;
 
   // Calculates the desired height of the popup based on its contents.
   int GetDesiredPopupHeight() const;
 #endif
 
  private:
+  const gfx::Rect RoundedElementBounds() const;
 #if !defined(OS_ANDROID)
   // Calculate the width of the row, excluding all the text. This provides
   // the size of the row that won't be reducible (since all the text can be
   // elided if there isn't enough space).
   int RowWidthWithoutText(int row) const;
 
   // Calculates and sets the bounds of the popup, including placing it properly
   // to prevent it from going off the screen.
   void UpdatePopupBounds();
 #endif
@@ skipping 15 matching lines @@
       const gfx::Display& top_display,
       const gfx::Display& bottom_display,
       int popup_required_height) const;
 
   AutofillPopupView* view_;  // Weak reference.
   AutofillPopupDelegate* delegate_;  // Weak reference.
   gfx::NativeView container_view_;  // Weak reference.
 
   // The bounds of the text element that is the focus of the Autofill.
   // These coordinates are in screen space.
-  const gfx::Rect element_bounds_;
+  const gfx::RectF element_bounds_;
 
   // The bounds of the Autofill popup.
   gfx::Rect popup_bounds_;
 
   // The current Autofill query values.
   std::vector<string16> names_;
   std::vector<string16> subtexts_;
   std::vector<string16> icons_;
   std::vector<int> identifiers_;
 
@@ skipping 15 matching lines @@
   bool delete_icon_hovered_;
 
   // True if |HideInternal| has already been called.
   bool is_hiding_;
 
   // True if the delegate should be informed when |this| is destroyed.
   bool inform_delegate_of_destruction_;
 };
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_POPUP_CONTROLLER_IMPL_H_