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      1 // Copyright (c) 2011 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 #ifndef CHROME_BROWSER_UI_VIEWS_PINNED_CONTENTS_INFO_BUBBLE_H_
      6 #define CHROME_BROWSER_UI_VIEWS_PINNED_CONTENTS_INFO_BUBBLE_H_
      7 #pragma once
      8 
      9 #include "chrome/browser/ui/views/bubble/border_contents.h"
     10 #include "chrome/browser/ui/views/bubble/bubble.h"
     11 
     12 // This is a specialization of BorderContents, used to draw a border around
     13 // an Bubble that has its contents pinned to a specific location. See
     14 // base class for details.
     15 class PinnedContentsBorderContents : public BorderContents {
     16  public:
     17   explicit PinnedContentsBorderContents(const gfx::Point& bubble_anchor)
     18       : bubble_anchor_(bubble_anchor) {}
     19 
     20   // BorderContents overrides:
     21   virtual void SizeAndGetBounds(
     22       const gfx::Rect& position_relative_to,  // In screen coordinates
     23       BubbleBorder::ArrowLocation arrow_location,
     24       bool allow_bubble_offscreen,
     25       const gfx::Size& contents_size,
     26       gfx::Rect* contents_bounds,             // Returned in window coordinates
     27       gfx::Rect* window_bounds);              // Returned in screen coordinates
     28 
     29  private:
     30   // The location of the pinned contents (in screen coordinates).
     31   const gfx::Point bubble_anchor_;
     32 
     33   DISALLOW_COPY_AND_ASSIGN(PinnedContentsBorderContents);
     34 };
     35 
     36 // A specialization of the Bubble. Used to draw an Bubble which, in
     37 // addition to having an arrow pointing to where the user clicked, also shifts
     38 // the bubble horizontally to fix it to a specific location. See base class
     39 // for details.
     40 class PinnedContentsInfoBubble : public Bubble {
     41  public:
     42   // Shows the Bubble (see base class function for details).
     43   // |bubble_anchor| specifies how far horizontally to shift the bubble in
     44   // order to anchor its contents. Once the Bubble has been anchored its
     45   // arrow may be pointing to a slightly different |y| location than specified
     46   // in |position_relative_to|.
     47   static PinnedContentsInfoBubble* Show(
     48       views::Widget* parent,
     49       const gfx::Rect& position_relative_to,
     50       BubbleBorder::ArrowLocation arrow_location,
     51       const gfx::Point& bubble_anchor_,
     52       views::View* contents,
     53       BubbleDelegate* delegate);
     54 
     55   // Bubble overrides:
     56   virtual BorderContents* CreateBorderContents();
     57 
     58  private:
     59   explicit PinnedContentsInfoBubble(const gfx::Point& bubble_anchor)
     60       : bubble_anchor_(bubble_anchor) {}
     61   virtual ~PinnedContentsInfoBubble() {}
     62 
     63   // The location of the pinned contents (in screen coordinates).
     64   const gfx::Point bubble_anchor_;
     65 
     66   DISALLOW_COPY_AND_ASSIGN(PinnedContentsInfoBubble);
     67 };
     68 
     69 #endif  // CHROME_BROWSER_UI_VIEWS_PINNED_CONTENTS_INFO_BUBBLE_H_
     70