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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/views/button_drag_utils.h" | 5 #include "ui/views/button_drag_utils.h" |
6 | 6 |
7 #include "base/strings/utf_string_conversions.h" | 7 #include "base/strings/utf_string_conversions.h" |
8 #include "grit/ui_resources.h" | 8 #include "grit/ui_resources.h" |
9 #include "ui/base/dragdrop/drag_utils.h" | 9 #include "ui/base/dragdrop/drag_utils.h" |
10 #include "ui/base/dragdrop/os_exchange_data.h" | 10 #include "ui/base/dragdrop/os_exchange_data.h" |
11 #include "ui/base/resource/resource_bundle.h" | 11 #include "ui/base/resource/resource_bundle.h" |
12 #include "ui/gfx/canvas.h" | 12 #include "ui/gfx/canvas.h" |
13 #include "ui/gfx/geometry/point.h" | |
14 #include "ui/gfx/image/image.h" | 13 #include "ui/gfx/image/image.h" |
15 #include "ui/views/controls/button/text_button.h" | 14 #include "ui/views/controls/button/text_button.h" |
16 #include "ui/views/drag_utils.h" | 15 #include "ui/views/drag_utils.h" |
17 #include "url/gurl.h" | 16 #include "url/gurl.h" |
18 | 17 |
19 namespace button_drag_utils { | 18 namespace button_drag_utils { |
20 | 19 |
21 // Maximum width of the link drag image in pixels. | 20 // Maximum width of the link drag image in pixels. |
22 static const int kLinkDragImageMaxWidth = 150; | 21 static const int kLinkDragImageMaxWidth = 200; |
23 | 22 |
24 void SetURLAndDragImage(const GURL& url, | 23 void SetURLAndDragImage(const GURL& url, |
25 const base::string16& title, | 24 const base::string16& title, |
26 const gfx::ImageSkia& icon, | 25 const gfx::ImageSkia& icon, |
27 const gfx::Point* press_pt, | |
28 ui::OSExchangeData* data, | 26 ui::OSExchangeData* data, |
29 views::Widget* widget) { | 27 views::Widget* widget) { |
30 DCHECK(url.is_valid() && data); | 28 DCHECK(url.is_valid() && data); |
| 29 |
31 data->SetURL(url, title); | 30 data->SetURL(url, title); |
32 SetDragImage(url, title, icon, press_pt, data, widget); | |
33 } | |
34 | 31 |
35 void SetDragImage(const GURL& url, | |
36 const base::string16& title, | |
37 const gfx::ImageSkia& icon, | |
38 const gfx::Point* press_pt, | |
39 ui::OSExchangeData* data, | |
40 views::Widget* widget) { | |
41 // Create a button to render the drag image for us. | 32 // Create a button to render the drag image for us. |
42 views::TextButton button(NULL, | 33 views::TextButton button(NULL, |
43 title.empty() ? base::UTF8ToUTF16(url.spec()) | 34 title.empty() ? base::UTF8ToUTF16(url.spec()) |
44 : title); | 35 : title); |
45 button.set_max_width(kLinkDragImageMaxWidth); | 36 button.set_max_width(kLinkDragImageMaxWidth); |
46 if (icon.isNull()) { | 37 if (icon.isNull()) { |
47 button.SetIcon(*ui::ResourceBundle::GetSharedInstance().GetImageNamed( | 38 button.SetIcon(*ui::ResourceBundle::GetSharedInstance().GetImageNamed( |
48 IDR_DEFAULT_FAVICON).ToImageSkia()); | 39 IDR_DEFAULT_FAVICON).ToImageSkia()); |
49 } else { | 40 } else { |
50 button.SetIcon(icon); | 41 button.SetIcon(icon); |
51 } | 42 } |
52 gfx::Size prefsize = button.GetPreferredSize(); | 43 gfx::Size prefsize = button.GetPreferredSize(); |
53 button.SetBounds(0, 0, prefsize.width(), prefsize.height()); | 44 button.SetBounds(0, 0, prefsize.width(), prefsize.height()); |
54 | 45 |
55 gfx::Vector2d press_point; | |
56 if (press_pt) | |
57 press_point = press_pt->OffsetFromOrigin(); | |
58 else | |
59 press_point = gfx::Vector2d(prefsize.width() / 2, prefsize.height() / 2); | |
60 | |
61 // Render the image. | 46 // Render the image. |
62 scoped_ptr<gfx::Canvas> canvas( | 47 scoped_ptr<gfx::Canvas> canvas( |
63 views::GetCanvasForDragImage(widget, prefsize)); | 48 views::GetCanvasForDragImage(widget, prefsize)); |
64 button.PaintButton(canvas.get(), views::TextButton::PB_FOR_DRAG); | 49 button.PaintButton(canvas.get(), views::TextButton::PB_FOR_DRAG); |
65 drag_utils::SetDragImageOnDataObject(*canvas, press_point, data); | 50 drag_utils::SetDragImageOnDataObject( |
| 51 *canvas, |
| 52 gfx::Vector2d(prefsize.width() / 2, prefsize.height() / 2), |
| 53 data); |
66 } | 54 } |
67 | 55 |
68 } // namespace button_drag_utils | 56 } // namespace button_drag_utils |
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