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1 // Copyright 2017 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 #include "ui/base/cocoa/text_services_context_menu.h" | |
msw
2017/02/01 01:52:29
Darn, I'm sorry, but my earlier comment was wrong.
spqchan
2017/02/02 20:35:05
No worries :)
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5 #include "ui/views/controls/views_text_services_context_menu.h" | |
6 | |
7 #import <Cocoa/Cocoa.h> | |
8 | |
9 #include "base/memory/ptr_util.h" | |
10 #include "ui/base/l10n/l10n_util.h" | |
11 #include "ui/base/models/simple_menu_model.h" | |
12 #include "ui/gfx/decorated_text.h" | |
13 #import "ui/gfx/decorated_text_mac.h" | |
14 #include "ui/strings/grit/ui_strings.h" | |
15 #include "ui/views/controls/textfield/textfield.h" | |
16 #include "ui/views/view.h" | |
17 #include "ui/views/widget/widget.h" | |
18 | |
19 namespace views { | |
20 | |
21 namespace { | |
22 | |
23 // This class serves as a bridge to TextServicesContextMenu to add and handle | |
24 // text service items in the context menu. The items include Speech, Look Up | |
25 // and BiDi. | |
26 class ViewsTextServicesContextMenuMac | |
27 : public ViewsTextServicesContextMenu, | |
28 public ui::TextServicesContextMenu::Delegate { | |
29 public: | |
30 ViewsTextServicesContextMenuMac(ui::SimpleMenuModel* menu, Textfield* client) | |
31 : menu_(this), client_(client) { | |
32 // The menu index for "Look Up". | |
33 constexpr int kLookupMenuIndex = 0; | |
34 | |
35 base::string16 text = GetSelectedText(); | |
36 if (!text.empty()) { | |
37 menu->InsertItemAt( | |
38 kLookupMenuIndex, IDS_CONTENT_CONTEXT_LOOK_UP, | |
39 l10n_util::GetStringFUTF16(IDS_CONTENT_CONTEXT_LOOK_UP, text)); | |
40 menu->InsertSeparatorAt(kLookupMenuIndex + 1, ui::NORMAL_SEPARATOR); | |
41 } | |
42 menu_.AppendToContextMenu(menu); | |
43 } | |
44 | |
45 ~ViewsTextServicesContextMenuMac() override {} | |
46 | |
47 // Handler for the "Look Up" menu item. | |
48 void LookUpInDictionary() { | |
49 gfx::Point baseline_point; | |
50 gfx::DecoratedText text; | |
51 if (client_->GetDecoratedTextAndBaselineFromSelection(&text, | |
52 &baseline_point)) { | |
53 Widget* widget = client_->GetWidget(); | |
54 gfx::NativeView view = widget->GetNativeView(); | |
55 views::View::ConvertPointToTarget(client_, widget->GetRootView(), | |
56 &baseline_point); | |
57 | |
58 NSPoint lookup_point = NSMakePoint( | |
59 baseline_point.x(), NSHeight([view frame]) - baseline_point.y()); | |
60 [view showDefinitionForAttributedString: | |
61 gfx::GetAttributedStringFromDecoratedText(text) | |
62 atPoint:lookup_point]; | |
63 } | |
64 } | |
65 | |
66 // ViewTextServicesContextMenu: | |
67 bool HandlesCommandId(int command_id) const override { | |
68 return command_id == IDS_CONTENT_CONTEXT_LOOK_UP; | |
69 } | |
70 | |
71 bool IsCommandIdChecked(int command_id) const override { | |
72 DCHECK_EQ(IDS_CONTENT_CONTEXT_LOOK_UP, command_id); | |
73 return false; | |
74 } | |
75 | |
76 bool IsCommandIdEnabled(int command_id) const override { | |
77 DCHECK_EQ(IDS_CONTENT_CONTEXT_LOOK_UP, command_id); | |
78 return true; | |
79 } | |
80 | |
81 void ExecuteCommand(int command_id, int event_flags) override { | |
82 DCHECK_EQ(IDS_CONTENT_CONTEXT_LOOK_UP, command_id); | |
83 LookUpInDictionary(); | |
84 } | |
85 | |
86 bool IsTextDirectionCheckedForTesting( | |
87 base::i18n::TextDirection direction) const override { | |
88 return IsTextDirectionChecked(direction); | |
89 } | |
90 | |
91 // TextServicesContextMenu::Delegate: | |
92 base::string16 GetSelectedText() const override { | |
93 return client_->GetSelectedText(); | |
94 } | |
95 | |
96 bool IsTextDirectionEnabled( | |
97 base::i18n::TextDirection direction) const override { | |
98 return direction != base::i18n::UNKNOWN_DIRECTION; | |
99 } | |
100 | |
101 bool IsTextDirectionChecked( | |
102 base::i18n::TextDirection direction) const override { | |
103 return direction != base::i18n::UNKNOWN_DIRECTION && | |
104 client_->GetTextDirection() == direction; | |
105 } | |
106 | |
107 void UpdateTextDirection(base::i18n::TextDirection direction) override { | |
108 DCHECK_NE(direction, base::i18n::UNKNOWN_DIRECTION); | |
109 | |
110 base::i18n::TextDirection text_direction = | |
111 direction == base::i18n::LEFT_TO_RIGHT ? base::i18n::LEFT_TO_RIGHT | |
112 : base::i18n::RIGHT_TO_LEFT; | |
113 client_->ChangeTextDirectionAndLayoutAlignment(text_direction); | |
114 } | |
115 | |
116 private: | |
117 // Appends and handles the text service menu. | |
118 ui::TextServicesContextMenu menu_; | |
119 | |
120 // The view associated with the menu. Weak. Owns |this|. | |
121 Textfield* client_; | |
122 | |
123 DISALLOW_COPY_AND_ASSIGN(ViewsTextServicesContextMenuMac); | |
124 }; | |
125 | |
126 } // namespace | |
127 | |
128 // static | |
129 std::unique_ptr<ViewsTextServicesContextMenu> | |
130 ViewsTextServicesContextMenu::Create(ui::SimpleMenuModel* menu, | |
131 Textfield* client) { | |
132 return base::MakeUnique<ViewsTextServicesContextMenuMac>(menu, client); | |
133 } | |
134 | |
135 } // namespace views | |
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