OLD | NEW |
| (Empty) |
1 // Copyright 2014 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 "athena/home/home_card_impl.h" | |
6 | |
7 #include <cmath> | |
8 #include <limits> | |
9 | |
10 #include "athena/env/public/athena_env.h" | |
11 #include "athena/home/app_list_view_delegate.h" | |
12 #include "athena/home/home_card_constants.h" | |
13 #include "athena/home/home_card_view.h" | |
14 #include "athena/home/public/app_model_builder.h" | |
15 #include "athena/screen/public/screen_manager.h" | |
16 #include "athena/util/container_priorities.h" | |
17 #include "athena/wm/public/window_manager.h" | |
18 #include "ui/app_list/search_box_model.h" | |
19 #include "ui/aura/layout_manager.h" | |
20 #include "ui/aura/window.h" | |
21 #include "ui/compositor/layer.h" | |
22 #include "ui/compositor/scoped_layer_animation_settings.h" | |
23 #include "ui/gfx/animation/tween.h" | |
24 #include "ui/views/widget/widget.h" | |
25 #include "ui/wm/core/visibility_controller.h" | |
26 | |
27 namespace athena { | |
28 namespace { | |
29 | |
30 HomeCard* instance = nullptr; | |
31 | |
32 gfx::Rect GetBoundsForState(const gfx::Rect& screen_bounds, | |
33 HomeCard::State state) { | |
34 switch (state) { | |
35 case HomeCard::HIDDEN: | |
36 break; | |
37 | |
38 case HomeCard::VISIBLE_CENTERED: | |
39 return screen_bounds; | |
40 | |
41 // Do not change the home_card's size, only changes the top position | |
42 // instead, because size change causes unnecessary re-layouts. | |
43 case HomeCard::VISIBLE_BOTTOM: | |
44 return gfx::Rect(0, | |
45 screen_bounds.bottom() - kHomeCardHeight, | |
46 screen_bounds.width(), | |
47 screen_bounds.height()); | |
48 case HomeCard::VISIBLE_MINIMIZED: | |
49 return gfx::Rect(0, | |
50 screen_bounds.bottom() - kHomeCardMinimizedHeight, | |
51 screen_bounds.width(), | |
52 screen_bounds.height()); | |
53 } | |
54 | |
55 NOTREACHED(); | |
56 return gfx::Rect(); | |
57 } | |
58 | |
59 } // namespace | |
60 | |
61 // Makes sure the homecard is center-aligned horizontally and bottom-aligned | |
62 // vertically. | |
63 class HomeCardLayoutManager : public aura::LayoutManager { | |
64 public: | |
65 HomeCardLayoutManager() : home_card_(nullptr) {} | |
66 | |
67 ~HomeCardLayoutManager() override {} | |
68 | |
69 void Layout(bool animate, gfx::Tween::Type tween_type) { | |
70 // |home_card| could be detached from the root window (e.g. when it is being | |
71 // destroyed). | |
72 if (!home_card_ || !home_card_->IsVisible() || !home_card_->GetRootWindow()) | |
73 return; | |
74 | |
75 scoped_ptr<ui::ScopedLayerAnimationSettings> settings; | |
76 if (animate) { | |
77 settings.reset(new ui::ScopedLayerAnimationSettings( | |
78 home_card_->layer()->GetAnimator())); | |
79 settings->SetTweenType(tween_type); | |
80 } | |
81 SetChildBoundsDirect(home_card_, GetBoundsForState( | |
82 home_card_->GetRootWindow()->bounds(), HomeCard::Get()->GetState())); | |
83 } | |
84 | |
85 private: | |
86 // aura::LayoutManager: | |
87 void OnWindowResized() override { | |
88 Layout(false, gfx::Tween::LINEAR); | |
89 } | |
90 void OnWindowAddedToLayout(aura::Window* child) override { | |
91 if (!home_card_) { | |
92 home_card_ = child; | |
93 Layout(false, gfx::Tween::LINEAR); | |
94 } | |
95 } | |
96 void OnWillRemoveWindowFromLayout(aura::Window* child) override { | |
97 if (home_card_ == child) | |
98 home_card_ = nullptr; | |
99 } | |
100 void OnWindowRemovedFromLayout(aura::Window* child) override {} | |
101 void OnChildWindowVisibilityChanged(aura::Window* child, | |
102 bool visible) override { | |
103 if (home_card_ == child) | |
104 Layout(false, gfx::Tween::LINEAR); | |
105 } | |
106 void SetChildBounds(aura::Window* child, | |
107 const gfx::Rect& requested_bounds) override { | |
108 SetChildBoundsDirect(child, requested_bounds); | |
109 } | |
110 | |
111 aura::Window* home_card_; | |
112 | |
113 DISALLOW_COPY_AND_ASSIGN(HomeCardLayoutManager); | |
114 }; | |
115 | |
116 HomeCardImpl::HomeCardImpl(scoped_ptr<AppModelBuilder> model_builder, | |
117 scoped_ptr<SearchControllerFactory> search_factory) | |
118 : model_builder_(model_builder.Pass()), | |
119 search_factory_(search_factory.Pass()), | |
120 state_(HIDDEN), | |
121 original_state_(VISIBLE_MINIMIZED), | |
122 home_card_widget_(nullptr), | |
123 home_card_view_(nullptr), | |
124 layout_manager_(nullptr) { | |
125 DCHECK(!instance); | |
126 instance = this; | |
127 WindowManager::Get()->AddObserver(this); | |
128 } | |
129 | |
130 HomeCardImpl::~HomeCardImpl() { | |
131 DCHECK(instance); | |
132 WindowManager::Get()->RemoveObserver(this); | |
133 home_card_widget_->CloseNow(); | |
134 | |
135 // Reset the view delegate first as it access search provider during | |
136 // shutdown. | |
137 view_delegate_->GetModel()->RemoveObserver(this); | |
138 view_delegate_.reset(); | |
139 instance = nullptr; | |
140 } | |
141 | |
142 void HomeCardImpl::Init() { | |
143 InstallAccelerators(); | |
144 ScreenManager::ContainerParams params("HomeCardContainer", CP_HOME_CARD); | |
145 params.can_activate_children = true; | |
146 aura::Window* container = ScreenManager::Get()->CreateContainer(params); | |
147 layout_manager_ = new HomeCardLayoutManager(); | |
148 | |
149 container->SetLayoutManager(layout_manager_); | |
150 wm::SetChildWindowVisibilityChangesAnimated(container); | |
151 | |
152 view_delegate_.reset( | |
153 new AppListViewDelegate(model_builder_.get(), search_factory_.get())); | |
154 | |
155 view_delegate_->GetModel()->AddObserver(this); | |
156 home_card_view_ = new HomeCardView(view_delegate_.get(), this); | |
157 home_card_widget_ = new views::Widget(); | |
158 views::Widget::InitParams widget_params( | |
159 views::Widget::InitParams::TYPE_WINDOW_FRAMELESS); | |
160 widget_params.parent = container; | |
161 widget_params.delegate = home_card_view_; | |
162 widget_params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW; | |
163 home_card_widget_->Init(widget_params); | |
164 // AppListMainView in home card may move outside of home card layer partially | |
165 // in an transition animation. This flag is set to clip the parts outside of | |
166 // home card. | |
167 home_card_widget_->GetNativeWindow()->layer()->SetMasksToBounds(true); | |
168 | |
169 home_card_view_->Init(); | |
170 SetState(VISIBLE_MINIMIZED); | |
171 home_card_view_->Layout(); | |
172 | |
173 AthenaEnv::Get()->SetDisplayWorkAreaInsets( | |
174 gfx::Insets(0, 0, kHomeCardMinimizedHeight, 0)); | |
175 } | |
176 | |
177 aura::Window* HomeCardImpl::GetHomeCardWindowForTest() const { | |
178 return home_card_widget_ ? home_card_widget_->GetNativeWindow() : nullptr; | |
179 } | |
180 | |
181 void HomeCardImpl::ResetQuery() { | |
182 view_delegate_->GetModel()->search_box()->SetText(base::string16()); | |
183 } | |
184 | |
185 void HomeCardImpl::InstallAccelerators() { | |
186 const AcceleratorData accelerator_data[] = { | |
187 {TRIGGER_ON_PRESS, ui::VKEY_L, ui::EF_CONTROL_DOWN, | |
188 COMMAND_SHOW_HOME_CARD, AF_NONE}, | |
189 }; | |
190 AcceleratorManager::Get()->RegisterAccelerators( | |
191 accelerator_data, arraysize(accelerator_data), this); | |
192 } | |
193 | |
194 void HomeCardImpl::SetState(HomeCard::State state) { | |
195 if (state_ == state) | |
196 return; | |
197 | |
198 // Update |state_| before changing the visibility of the widgets, so that | |
199 // LayoutManager callbacks get the correct state. | |
200 state_ = state; | |
201 original_state_ = state; | |
202 | |
203 if (state_ == HIDDEN) { | |
204 home_card_widget_->Hide(); | |
205 } else { | |
206 if (state_ == VISIBLE_MINIMIZED) | |
207 home_card_widget_->ShowInactive(); | |
208 else | |
209 home_card_widget_->Show(); | |
210 | |
211 // Query should be reset on state change to reset the main_view. Also it's | |
212 // not possible to invoke ResetQuery() here, it causes a crash on search. | |
213 home_card_view_->SetStateWithAnimation( | |
214 state, | |
215 gfx::Tween::EASE_IN_OUT, | |
216 base::Bind(&HomeCardImpl::ResetQuery, base::Unretained(this))); | |
217 layout_manager_->Layout(true, gfx::Tween::EASE_IN_OUT); | |
218 } | |
219 } | |
220 | |
221 HomeCard::State HomeCardImpl::GetState() { | |
222 return state_; | |
223 } | |
224 | |
225 void HomeCardImpl::UpdateVirtualKeyboardBounds( | |
226 const gfx::Rect& bounds) { | |
227 if (state_ == VISIBLE_MINIMIZED && !bounds.IsEmpty()) { | |
228 SetState(HIDDEN); | |
229 original_state_ = VISIBLE_MINIMIZED; | |
230 } else if (state_ == VISIBLE_BOTTOM && !bounds.IsEmpty()) { | |
231 SetState(VISIBLE_CENTERED); | |
232 original_state_ = VISIBLE_BOTTOM; | |
233 } else if (state_ != original_state_ && bounds.IsEmpty()) { | |
234 SetState(original_state_); | |
235 } | |
236 } | |
237 | |
238 bool HomeCardImpl::IsCommandEnabled(int command_id) const { | |
239 return true; | |
240 } | |
241 | |
242 bool HomeCardImpl::OnAcceleratorFired(int command_id, | |
243 const ui::Accelerator& accelerator) { | |
244 DCHECK_EQ(COMMAND_SHOW_HOME_CARD, command_id); | |
245 | |
246 if (state_ == VISIBLE_CENTERED && original_state_ != VISIBLE_BOTTOM) { | |
247 SetState(VISIBLE_MINIMIZED); | |
248 WindowManager::Get()->ExitOverview(); | |
249 } else if (state_ == VISIBLE_MINIMIZED) { | |
250 SetState(VISIBLE_CENTERED); | |
251 WindowManager::Get()->EnterOverview(); | |
252 } | |
253 return true; | |
254 } | |
255 | |
256 void HomeCardImpl::OnGestureEnded(State final_state, bool is_fling) { | |
257 home_card_view_->ClearGesture(); | |
258 if (state_ != final_state && | |
259 (state_ == VISIBLE_MINIMIZED || final_state == VISIBLE_MINIMIZED)) { | |
260 SetState(final_state); | |
261 if (WindowManager::Get()->IsOverviewModeActive()) | |
262 WindowManager::Get()->ExitOverview(); | |
263 else | |
264 WindowManager::Get()->EnterOverview(); | |
265 } else { | |
266 state_ = final_state; | |
267 // When the animation happens after a fling, EASE_IN_OUT would cause weird | |
268 // slow-down right after the finger release because of slow-in. Therefore | |
269 // EASE_OUT is better. | |
270 gfx::Tween::Type tween_type = | |
271 is_fling ? gfx::Tween::EASE_OUT : gfx::Tween::EASE_IN_OUT; | |
272 home_card_view_->SetStateWithAnimation( | |
273 state_, | |
274 tween_type, | |
275 base::Bind(&HomeCardImpl::ResetQuery, base::Unretained(this))); | |
276 layout_manager_->Layout(true, tween_type); | |
277 } | |
278 } | |
279 | |
280 void HomeCardImpl::OnGestureProgressed( | |
281 State from_state, State to_state, float progress) { | |
282 gfx::Rect screen_bounds = | |
283 home_card_widget_->GetNativeWindow()->GetRootWindow()->bounds(); | |
284 home_card_widget_->SetBounds(gfx::Tween::RectValueBetween( | |
285 progress, | |
286 GetBoundsForState(screen_bounds, from_state), | |
287 GetBoundsForState(screen_bounds, to_state))); | |
288 | |
289 home_card_view_->SetStateProgress(from_state, to_state, progress); | |
290 | |
291 // TODO(mukai): signals the update to the window manager so that it shows the | |
292 // intermediate visual state of overview mode. | |
293 } | |
294 | |
295 void HomeCardImpl::OnOverviewModeEnter() { | |
296 if (state_ == HIDDEN || state_ == VISIBLE_MINIMIZED) | |
297 SetState(VISIBLE_BOTTOM); | |
298 } | |
299 | |
300 void HomeCardImpl::OnOverviewModeExit() { | |
301 SetState(VISIBLE_MINIMIZED); | |
302 } | |
303 | |
304 void HomeCardImpl::OnSplitViewModeEnter() { | |
305 } | |
306 | |
307 void HomeCardImpl::OnSplitViewModeExit() { | |
308 } | |
309 | |
310 void HomeCardImpl::OnAppListModelStateChanged( | |
311 app_list::AppListModel::State old_state, | |
312 app_list::AppListModel::State new_state) { | |
313 // State change should not happen in minimized mode. | |
314 DCHECK_NE(VISIBLE_MINIMIZED, state_); | |
315 | |
316 if (state_ == VISIBLE_BOTTOM) { | |
317 if (old_state == app_list::AppListModel::STATE_START) | |
318 SetState(VISIBLE_CENTERED); | |
319 else | |
320 DCHECK_EQ(app_list::AppListModel::STATE_START, new_state); | |
321 } | |
322 } | |
323 | |
324 // static | |
325 HomeCard* HomeCard::Create(scoped_ptr<AppModelBuilder> model_builder, | |
326 scoped_ptr<SearchControllerFactory> search_factory) { | |
327 (new HomeCardImpl(model_builder.Pass(), search_factory.Pass()))->Init(); | |
328 DCHECK(instance); | |
329 return instance; | |
330 } | |
331 | |
332 // static | |
333 void HomeCard::Shutdown() { | |
334 DCHECK(instance); | |
335 delete instance; | |
336 instance = nullptr; | |
337 } | |
338 | |
339 // static | |
340 HomeCard* HomeCard::Get() { | |
341 DCHECK(instance); | |
342 return instance; | |
343 } | |
344 | |
345 } // namespace athena | |
OLD | NEW |