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_BUBBLE_BORDER_CONTENTS_H_ 6 #define CHROME_BROWSER_UI_VIEWS_BUBBLE_BORDER_CONTENTS_H_ 7 #pragma once 8 9 #include "chrome/browser/ui/views/bubble/bubble_border.h" 10 #include "third_party/skia/include/core/SkColor.h" 11 #include "views/view.h" 12 13 // This is used to paint the border of the Bubble. Windows uses this via 14 // BorderWidgetWin, while others can use it directly in the bubble. 15 class BorderContents : public views::View { 16 public: BorderContents()17 BorderContents() : bubble_border_(NULL) { } 18 19 // Must be called before this object can be used. 20 void Init(); 21 22 // Sets the background color. 23 void SetBackgroundColor(SkColor color); 24 25 // Given the size of the contents and the rect to point at, returns the bounds 26 // of both the border and the contents inside the bubble. 27 // |arrow_location| specifies the preferred location for the arrow 28 // anchor. If the bubble does not fit on the monitor and 29 // |allow_bubble_offscreen| is false, the arrow location may change so the 30 // bubble shows entirely. 31 virtual void SizeAndGetBounds( 32 const gfx::Rect& position_relative_to, // In screen coordinates 33 BubbleBorder::ArrowLocation arrow_location, 34 bool allow_bubble_offscreen, 35 const gfx::Size& contents_size, 36 gfx::Rect* contents_bounds, // Returned in window coordinates 37 gfx::Rect* window_bounds); // Returned in screen coordinates 38 39 protected: ~BorderContents()40 virtual ~BorderContents() { } 41 42 // Returns the bounds for the monitor showing the specified |rect|. 43 // Overridden in unit-tests. 44 virtual gfx::Rect GetMonitorBounds(const gfx::Rect& rect); 45 46 // Margins between the contents and the inside of the border, in pixels. 47 static const int kLeftMargin = 6; 48 static const int kTopMargin = 6; 49 static const int kRightMargin = 6; 50 static const int kBottomMargin = 9; 51 52 BubbleBorder* bubble_border_; 53 54 private: 55 // Changes |arrow_location| to its mirrored version, vertically if |vertical| 56 // is true, horizontally otherwise, if |window_bounds| don't fit in 57 // |monitor_bounds|. 58 void MirrorArrowIfOffScreen(bool vertical, 59 const gfx::Rect& position_relative_to, 60 const gfx::Rect& monitor_bounds, 61 const gfx::Size& local_contents_size, 62 BubbleBorder::ArrowLocation* arrow_location, 63 gfx::Rect* window_bounds); 64 65 // Computes how much |window_bounds| is off-screen of the monitor bounds 66 // |monitor_bounds| and puts the values in |offscreen_insets|. 67 // Returns false if |window_bounds| is actually contained in |monitor_bounds|, 68 // in which case |offscreen_insets| is not modified. 69 static bool ComputeOffScreenInsets(const gfx::Rect& monitor_bounds, 70 const gfx::Rect& window_bounds, 71 gfx::Insets* offscreen_insets); 72 73 // Convenience method that returns the height of |insets| if |vertical| is 74 // true, its width otherwise. 75 static int GetInsetsLength(const gfx::Insets& insets, bool vertical); 76 77 DISALLOW_COPY_AND_ASSIGN(BorderContents); 78 }; 79 80 #endif // CHROME_BROWSER_UI_VIEWS_BUBBLE_BORDER_CONTENTS_H_ 81