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1 // Copyright 2016 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 #include "ash/common/shelf/shelf_controller.h" | |
6 | |
7 #include "ash/common/shelf/shelf_item_delegate.h" | |
8 #include "ash/common/shelf/wm_shelf.h" | |
9 #include "ash/common/wm_shell.h" | |
10 #include "ash/common/wm_window.h" | |
11 #include "ash/root_window_controller.h" | |
12 #include "ash/shell.h" | |
13 #include "base/strings/utf_string_conversions.h" | |
14 #include "ui/base/models/simple_menu_model.h" | |
15 #include "ui/base/resource/resource_bundle.h" | |
16 #include "ui/display/display.h" | |
17 #include "ui/display/screen.h" | |
18 #include "ui/gfx/image/image_skia.h" | |
19 #include "ui/resources/grit/ui_resources.h" | |
20 | |
21 namespace ash { | |
22 | |
23 namespace { | |
24 | |
25 // A ShelfItemDelegate used for pinned items in mash. | |
26 // TODO(mash): Support open windows, cooperate with ShelfWindowWatcher. | |
27 class ShelfItemDelegateMus : public ShelfItemDelegate { | |
28 public: | |
29 ShelfItemDelegateMus() {} | |
30 ~ShelfItemDelegateMus() override {} | |
31 | |
32 void SetDelegate(mojom::ShelfItemDelegateAssociatedPtrInfo delegate) { | |
33 delegate_.Bind(std::move(delegate)); | |
34 } | |
35 | |
36 bool pinned() const { return pinned_; } | |
37 void set_pinned(bool pinned) { pinned_ = pinned; } | |
38 | |
39 void AddWindow(uint32_t id, const base::string16& title) { | |
40 DCHECK(!window_id_to_title_.count(id)); | |
41 window_id_to_title_.insert(std::make_pair(id, title)); | |
42 } | |
43 void RemoveWindow(uint32_t id) { window_id_to_title_.erase(id); } | |
44 void SetWindowTitle(uint32_t id, const base::string16& title) { | |
45 DCHECK(window_id_to_title_.count(id)); | |
46 window_id_to_title_[id] = title; | |
47 } | |
48 const std::map<uint32_t, base::string16>& window_id_to_title() const { | |
49 return window_id_to_title_; | |
50 } | |
51 | |
52 const base::string16& title() { return title_; } | |
53 void set_title(const base::string16& title) { title_ = title; } | |
54 | |
55 private: | |
56 // ShelfItemDelegate: | |
57 ShelfAction ItemSelected(ui::EventType event_type, | |
58 int event_flags, | |
59 int64_t display_id, | |
60 ShelfLaunchSource source) override { | |
61 if (window_id_to_title_.empty()) { | |
62 delegate_->LaunchItem(); | |
63 return SHELF_ACTION_NEW_WINDOW_CREATED; | |
64 } | |
65 if (window_id_to_title_.size() == 1) { | |
66 // TODO(mash): Activate the window and return | |
67 // SHELF_ACTION_WINDOW_ACTIVATED. | |
68 NOTIMPLEMENTED(); | |
69 } | |
70 return SHELF_ACTION_NONE; | |
71 } | |
72 | |
73 ShelfAppMenuItemList GetAppMenuItems(int event_flags) override { | |
74 // Return an empty item list to avoid showing an application menu. | |
75 return ShelfAppMenuItemList(); | |
76 } | |
77 | |
78 void ExecuteCommand(uint32_t command_id, int event_flags) override { | |
79 // This delegate does not support showing an application menu. | |
80 NOTIMPLEMENTED(); | |
81 } | |
82 | |
83 void Close() override { NOTIMPLEMENTED(); } | |
84 | |
85 mojom::ShelfItemDelegateAssociatedPtr delegate_; | |
86 bool pinned_ = false; | |
87 std::map<uint32_t, base::string16> window_id_to_title_; | |
88 base::string16 title_; | |
89 | |
90 DISALLOW_COPY_AND_ASSIGN(ShelfItemDelegateMus); | |
91 }; | |
92 | |
93 // Returns the ShelfItemDelegateMus instance for the given |shelf_id|. | |
94 ShelfItemDelegateMus* GetShelfItemDelegate(ShelfID shelf_id) { | |
95 return static_cast<ShelfItemDelegateMus*>( | |
96 WmShell::Get()->shelf_model()->GetShelfItemDelegate(shelf_id)); | |
97 } | |
98 | |
99 // Returns an icon image from an SkBitmap, or the default shelf icon image if | |
100 // the bitmap is empty. Assumes the bitmap is a 1x icon. | |
101 // TODO(jamescook): Support other scale factors. | |
102 gfx::ImageSkia GetShelfIconFromBitmap(const SkBitmap& bitmap) { | |
103 gfx::ImageSkia icon_image; | |
104 if (!bitmap.isNull()) { | |
105 icon_image = gfx::ImageSkia::CreateFrom1xBitmap(bitmap); | |
106 } else { | |
107 // Use default icon. | |
108 ResourceBundle& rb = ResourceBundle::GetSharedInstance(); | |
109 icon_image = *rb.GetImageSkiaNamed(IDR_DEFAULT_FAVICON); | |
110 } | |
111 return icon_image; | |
112 } | |
113 | |
114 // Returns the WmShelf instance for the display with the given |display_id|. | |
115 WmShelf* GetShelfForDisplay(int64_t display_id) { | |
116 // The controller may be null for invalid ids or for displays being removed. | |
117 RootWindowController* root_window_controller = | |
118 Shell::GetRootWindowControllerWithDisplayId(display_id); | |
119 return root_window_controller ? root_window_controller->GetShelf() : nullptr; | |
120 } | |
121 | |
122 } // namespace | |
123 | |
124 ShelfController::ShelfController() {} | |
125 | |
126 ShelfController::~ShelfController() {} | |
127 | |
128 void ShelfController::BindRequest(mojom::ShelfControllerRequest request) { | |
129 bindings_.AddBinding(this, std::move(request)); | |
130 } | |
131 | |
132 void ShelfController::NotifyShelfCreated(WmShelf* shelf) { | |
133 // Notify observers, Chrome will set alignment and auto-hide from prefs. | |
134 int64_t display_id = shelf->GetWindow()->GetDisplayNearestWindow().id(); | |
135 observers_.ForAllPtrs([display_id](mojom::ShelfObserver* observer) { | |
136 observer->OnShelfCreated(display_id); | |
137 }); | |
138 } | |
139 | |
140 void ShelfController::NotifyShelfAlignmentChanged(WmShelf* shelf) { | |
141 ShelfAlignment alignment = shelf->alignment(); | |
142 int64_t display_id = shelf->GetWindow()->GetDisplayNearestWindow().id(); | |
143 observers_.ForAllPtrs( | |
144 [alignment, display_id](mojom::ShelfObserver* observer) { | |
145 observer->OnAlignmentChanged(alignment, display_id); | |
146 }); | |
147 } | |
148 | |
149 void ShelfController::NotifyShelfAutoHideBehaviorChanged(WmShelf* shelf) { | |
150 ShelfAutoHideBehavior behavior = shelf->auto_hide_behavior(); | |
151 int64_t display_id = shelf->GetWindow()->GetDisplayNearestWindow().id(); | |
152 observers_.ForAllPtrs([behavior, display_id](mojom::ShelfObserver* observer) { | |
153 observer->OnAutoHideBehaviorChanged(behavior, display_id); | |
154 }); | |
155 } | |
156 | |
157 void ShelfController::AddObserver( | |
158 mojom::ShelfObserverAssociatedPtrInfo observer) { | |
159 mojom::ShelfObserverAssociatedPtr observer_ptr; | |
160 observer_ptr.Bind(std::move(observer)); | |
161 observers_.AddPtr(std::move(observer_ptr)); | |
162 } | |
163 | |
164 void ShelfController::SetAlignment(ShelfAlignment alignment, | |
165 int64_t display_id) { | |
166 if (!ash::WmShelf::CanChangeShelfAlignment()) | |
167 return; | |
168 | |
169 WmShelf* shelf = GetShelfForDisplay(display_id); | |
170 // TODO(jamescook): The initialization check should not be necessary, but | |
171 // otherwise this wrongly tries to set the alignment on a secondary display | |
172 // during login before the ShelfLockingManager and ShelfView are created. | |
173 if (shelf && shelf->IsShelfInitialized()) | |
174 shelf->SetAlignment(alignment); | |
175 } | |
176 | |
177 void ShelfController::SetAutoHideBehavior(ShelfAutoHideBehavior auto_hide, | |
178 int64_t display_id) { | |
179 WmShelf* shelf = GetShelfForDisplay(display_id); | |
180 // TODO(jamescook): The initialization check should not be necessary, but | |
181 // otherwise this wrongly tries to set auto-hide state on a secondary display | |
182 // during login before the ShelfView is created. | |
183 if (shelf && shelf->IsShelfInitialized()) | |
184 shelf->SetAutoHideBehavior(auto_hide); | |
185 } | |
186 | |
187 void ShelfController::PinItem( | |
188 mojom::ShelfItemPtr item, | |
189 mojom::ShelfItemDelegateAssociatedPtrInfo delegate) { | |
190 if (app_id_to_shelf_id_.count(item->app_id)) { | |
191 ShelfID shelf_id = app_id_to_shelf_id_[item->app_id]; | |
192 ShelfItemDelegateMus* item_delegate = GetShelfItemDelegate(shelf_id); | |
193 item_delegate->SetDelegate(std::move(delegate)); | |
194 item_delegate->set_pinned(true); | |
195 return; | |
196 } | |
197 | |
198 ShelfID shelf_id = model_.next_id(); | |
199 app_id_to_shelf_id_.insert(std::make_pair(item->app_id, shelf_id)); | |
200 shelf_id_to_app_id_.insert(std::make_pair(shelf_id, item->app_id)); | |
201 | |
202 ShelfItem shelf_item; | |
203 shelf_item.type = TYPE_APP_SHORTCUT; | |
204 shelf_item.status = STATUS_CLOSED; | |
205 shelf_item.image = GetShelfIconFromBitmap(item->image); | |
206 shelf_item.title = base::UTF8ToUTF16(item->app_title); | |
207 model_.Add(shelf_item); | |
208 | |
209 std::unique_ptr<ShelfItemDelegateMus> item_delegate = | |
210 base::MakeUnique<ShelfItemDelegateMus>(); | |
211 item_delegate->SetDelegate(std::move(delegate)); | |
212 item_delegate->set_pinned(true); | |
213 item_delegate->set_title(shelf_item.title); | |
214 model_.SetShelfItemDelegate(shelf_id, std::move(item_delegate)); | |
215 } | |
216 | |
217 void ShelfController::UnpinItem(const std::string& app_id) { | |
218 if (!app_id_to_shelf_id_.count(app_id)) | |
219 return; | |
220 | |
221 ShelfID shelf_id = app_id_to_shelf_id_[app_id]; | |
222 ShelfItemDelegateMus* item_delegate = GetShelfItemDelegate(shelf_id); | |
223 DCHECK(item_delegate->pinned()); | |
224 item_delegate->set_pinned(false); | |
225 if (item_delegate->window_id_to_title().empty()) { | |
226 model_.RemoveItemAt(model_.ItemIndexByID(shelf_id)); | |
227 app_id_to_shelf_id_.erase(app_id); | |
228 shelf_id_to_app_id_.erase(shelf_id); | |
229 } | |
230 } | |
231 | |
232 void ShelfController::SetItemImage(const std::string& app_id, | |
233 const SkBitmap& image) { | |
234 if (!app_id_to_shelf_id_.count(app_id)) | |
235 return; | |
236 ShelfID shelf_id = app_id_to_shelf_id_[app_id]; | |
237 int index = model_.ItemIndexByID(shelf_id); | |
238 DCHECK_GE(index, 0); | |
239 ShelfItem item = *model_.ItemByID(shelf_id); | |
240 item.image = GetShelfIconFromBitmap(image); | |
241 model_.Set(index, item); | |
242 } | |
243 | |
244 } // namespace ash | |
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