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1 // Copyright 2015 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 "mash/wm/non_client_frame_controller.h" | |
6 | |
7 #include <stdint.h> | |
8 | |
9 #include <memory> | |
10 #include <string> | |
11 #include <vector> | |
12 | |
13 #include "base/macros.h" | |
14 #include "base/strings/utf_string_conversions.h" | |
15 #include "components/mus/public/cpp/property_type_converters.h" | |
16 #include "components/mus/public/cpp/window.h" | |
17 #include "components/mus/public/cpp/window_manager_delegate.h" | |
18 #include "components/mus/public/cpp/window_property.h" | |
19 #include "components/mus/public/interfaces/window_manager.mojom.h" | |
20 #include "components/mus/public/interfaces/window_tree_host.mojom.h" | |
21 #include "mash/wm/bridge/wm_window_mus.h" | |
22 #include "mash/wm/frame/frame_border_hit_test_controller.h" | |
23 #include "mash/wm/frame/move_event_handler.h" | |
24 #include "mash/wm/frame/non_client_frame_view_mash.h" | |
25 #include "mash/wm/property_util.h" | |
26 #include "mash/wm/shadow.h" | |
27 #include "ui/aura/layout_manager.h" | |
28 #include "ui/aura/window.h" | |
29 #include "ui/aura/window_tree_host.h" | |
30 #include "ui/compositor/layer.h" | |
31 #include "ui/gfx/geometry/vector2d.h" | |
32 #include "ui/views/mus/native_widget_mus.h" | |
33 #include "ui/views/widget/widget.h" | |
34 | |
35 namespace mash { | |
36 namespace wm { | |
37 namespace { | |
38 | |
39 // LayoutManager associated with the window created by WindowTreeHost. Resizes | |
40 // all children of the parent to match the bounds of the parent. Additionally | |
41 // handles sizing of a Shadow. | |
42 class ContentWindowLayoutManager : public aura::LayoutManager { | |
43 public: | |
44 ContentWindowLayoutManager(aura::Window* window, Shadow* shadow) | |
45 : window_(window), shadow_(shadow) { | |
46 OnWindowResized(); | |
47 } | |
48 ~ContentWindowLayoutManager() override {} | |
49 | |
50 private: | |
51 // Bounds for child windows. | |
52 gfx::Rect child_bounds() const { | |
53 return gfx::Rect(0, 0, window_->bounds().size().width(), | |
54 window_->bounds().size().height()); | |
55 } | |
56 | |
57 void UpdateChildBounds(aura::Window* child) { | |
58 child->SetBounds(child_bounds()); | |
59 } | |
60 | |
61 // aura::LayoutManager: | |
62 void OnWindowResized() override { | |
63 for (aura::Window* child : window_->children()) | |
64 UpdateChildBounds(child); | |
65 // Shadow takes care of resizing the layer appropriately. | |
66 if (shadow_) | |
67 shadow_->SetContentBounds(child_bounds()); | |
68 } | |
69 void OnWindowAddedToLayout(aura::Window* child) override { | |
70 UpdateChildBounds(child); | |
71 } | |
72 void OnWillRemoveWindowFromLayout(aura::Window* child) override {} | |
73 void OnWindowRemovedFromLayout(aura::Window* child) override {} | |
74 void OnChildWindowVisibilityChanged(aura::Window* child, | |
75 bool visible) override {} | |
76 void SetChildBounds(aura::Window* child, | |
77 const gfx::Rect& requested_bounds) override { | |
78 SetChildBoundsDirect(child, requested_bounds); | |
79 } | |
80 | |
81 aura::Window* window_; | |
82 Shadow* shadow_; | |
83 | |
84 DISALLOW_COPY_AND_ASSIGN(ContentWindowLayoutManager); | |
85 }; | |
86 | |
87 class WmNativeWidgetMus : public views::NativeWidgetMus { | |
88 public: | |
89 WmNativeWidgetMus(views::internal::NativeWidgetDelegate* delegate, | |
90 shell::Connector* connector, | |
91 mus::Window* window, | |
92 mus::WindowManagerClient* window_manager_client) | |
93 : NativeWidgetMus(delegate, | |
94 connector, | |
95 window, | |
96 mus::mojom::SurfaceType::UNDERLAY), | |
97 window_manager_client_(window_manager_client) {} | |
98 ~WmNativeWidgetMus() override { | |
99 } | |
100 | |
101 // NativeWidgetMus: | |
102 views::NonClientFrameView* CreateNonClientFrameView() override { | |
103 views::Widget* widget = | |
104 static_cast<views::internal::NativeWidgetPrivate*>(this)->GetWidget(); | |
105 NonClientFrameViewMash* frame_view = | |
106 new NonClientFrameViewMash(widget, window()); | |
107 move_event_handler_.reset(new MoveEventHandler( | |
108 window(), window_manager_client_, GetNativeView())); | |
109 return frame_view; | |
110 } | |
111 void InitNativeWidget(const views::Widget::InitParams& params) override { | |
112 views::NativeWidgetMus::InitNativeWidget(params); | |
113 aura::WindowTreeHost* window_tree_host = GetNativeView()->GetHost(); | |
114 // TODO(sky): shadow should be determined by window type and shadow type. | |
115 shadow_.reset(new Shadow); | |
116 shadow_->Init(Shadow::STYLE_INACTIVE); | |
117 shadow_->Install(window()); | |
118 ContentWindowLayoutManager* layout_manager = new ContentWindowLayoutManager( | |
119 window_tree_host->window(), shadow_.get()); | |
120 window_tree_host->window()->SetLayoutManager(layout_manager); | |
121 const int inset = Shadow::GetInteriorInsetForStyle(Shadow::STYLE_ACTIVE); | |
122 window_tree_host->SetOutputSurfacePadding( | |
123 gfx::Insets(inset, inset, inset, inset)); | |
124 window_tree_host->window()->layer()->Add(shadow_->layer()); | |
125 shadow_->layer()->parent()->StackAtBottom(shadow_->layer()); | |
126 } | |
127 void CenterWindow(const gfx::Size& size) override { | |
128 // Do nothing. The client controls the size, not us. | |
129 } | |
130 bool SetWindowTitle(const base::string16& title) override { | |
131 // Do nothing. The client controls the window title, not us. | |
132 return false; | |
133 } | |
134 void SetWindowIcons(const gfx::ImageSkia& window_icon, | |
135 const gfx::ImageSkia& app_icon) override { | |
136 // Do nothing. The client controls window icons, not us. | |
137 } | |
138 void UpdateClientArea() override { | |
139 // This pushes the client area to the WS. We don't want to do that as | |
140 // the client area should come from the client, not us. | |
141 } | |
142 | |
143 private: | |
144 // The shadow, may be null. | |
145 std::unique_ptr<Shadow> shadow_; | |
146 | |
147 std::unique_ptr<MoveEventHandler> move_event_handler_; | |
148 | |
149 mus::WindowManagerClient* window_manager_client_; | |
150 | |
151 DISALLOW_COPY_AND_ASSIGN(WmNativeWidgetMus); | |
152 }; | |
153 | |
154 class ClientViewMus : public views::ClientView { | |
155 public: | |
156 ClientViewMus(views::Widget* widget, | |
157 views::View* contents_view, | |
158 NonClientFrameController* frame_controller) | |
159 : views::ClientView(widget, contents_view), | |
160 frame_controller_(frame_controller) {} | |
161 ~ClientViewMus() override {} | |
162 | |
163 // views::ClientView: | |
164 bool CanClose() override { | |
165 if (!frame_controller_->window()) | |
166 return true; | |
167 | |
168 frame_controller_->window()->RequestClose(); | |
169 return false; | |
170 } | |
171 | |
172 private: | |
173 NonClientFrameController* frame_controller_; | |
174 | |
175 DISALLOW_COPY_AND_ASSIGN(ClientViewMus); | |
176 }; | |
177 | |
178 } // namespace | |
179 | |
180 // static | |
181 void NonClientFrameController::Create( | |
182 shell::Connector* connector, | |
183 mus::Window* parent, | |
184 mus::Window* window, | |
185 mus::WindowManagerClient* window_manager_client) { | |
186 new NonClientFrameController(connector, parent, window, | |
187 window_manager_client); | |
188 } | |
189 | |
190 // static | |
191 gfx::Insets NonClientFrameController::GetPreferredClientAreaInsets() { | |
192 return NonClientFrameViewMash::GetPreferredClientAreaInsets(); | |
193 } | |
194 | |
195 // static | |
196 int NonClientFrameController::GetMaxTitleBarButtonWidth() { | |
197 return NonClientFrameViewMash::GetMaxTitleBarButtonWidth(); | |
198 } | |
199 | |
200 NonClientFrameController::NonClientFrameController( | |
201 shell::Connector* connector, | |
202 mus::Window* parent, | |
203 mus::Window* window, | |
204 mus::WindowManagerClient* window_manager_client) | |
205 : widget_(new views::Widget), window_(window) { | |
206 WmWindowMus* wm_window = WmWindowMus::Get(window); | |
207 wm_window->set_widget(widget_, WmWindowMus::WidgetCreationType::FOR_CLIENT); | |
208 window_->AddObserver(this); | |
209 | |
210 // To simplify things this code creates a Widget. While a Widget is created | |
211 // we need to ensure we don't inadvertently change random properties of the | |
212 // underlying mus::Window. For example, showing the Widget shouldn't change | |
213 // the bounds of the mus::Window in anyway. | |
214 views::Widget::InitParams params(views::Widget::InitParams::TYPE_WINDOW); | |
215 // We initiate focus at the mus level, not at the views level. | |
216 params.activatable = views::Widget::InitParams::ACTIVATABLE_NO; | |
217 params.delegate = this; | |
218 params.native_widget = | |
219 new WmNativeWidgetMus(widget_, connector, window, window_manager_client); | |
220 widget_->Init(params); | |
221 | |
222 parent->AddChild(window); | |
223 | |
224 widget_->ShowInactive(); | |
225 | |
226 const int shadow_inset = | |
227 Shadow::GetInteriorInsetForStyle(Shadow::STYLE_ACTIVE); | |
228 const gfx::Insets extended_hit_region = | |
229 wm_window->ShouldUseExtendedHitRegion() | |
230 ? FrameBorderHitTestController::GetResizeOutsideBoundsSize() | |
231 : gfx::Insets(); | |
232 window_manager_client->SetUnderlaySurfaceOffsetAndExtendedHitArea( | |
233 window, gfx::Vector2d(shadow_inset, shadow_inset), extended_hit_region); | |
234 } | |
235 | |
236 NonClientFrameController::~NonClientFrameController() { | |
237 if (window_) | |
238 window_->RemoveObserver(this); | |
239 } | |
240 | |
241 base::string16 NonClientFrameController::GetWindowTitle() const { | |
242 if (!window_->HasSharedProperty( | |
243 mus::mojom::WindowManager::kWindowTitle_Property)) { | |
244 return base::string16(); | |
245 } | |
246 | |
247 base::string16 title = window_->GetSharedProperty<base::string16>( | |
248 mus::mojom::WindowManager::kWindowTitle_Property); | |
249 | |
250 if (IsWindowJanky(window_)) | |
251 title += base::ASCIIToUTF16(" !! Not responding !!"); | |
252 | |
253 return title; | |
254 } | |
255 | |
256 views::View* NonClientFrameController::GetContentsView() { | |
257 return this; | |
258 } | |
259 | |
260 bool NonClientFrameController::CanResize() const { | |
261 return window_ && | |
262 (GetResizeBehavior(window_) & mus::mojom::kResizeBehaviorCanResize) != | |
263 0; | |
264 } | |
265 | |
266 bool NonClientFrameController::CanMaximize() const { | |
267 return window_ && | |
268 (GetResizeBehavior(window_) & | |
269 mus::mojom::kResizeBehaviorCanMaximize) != 0; | |
270 } | |
271 | |
272 bool NonClientFrameController::CanMinimize() const { | |
273 return window_ && | |
274 (GetResizeBehavior(window_) & | |
275 mus::mojom::kResizeBehaviorCanMinimize) != 0; | |
276 } | |
277 | |
278 bool NonClientFrameController::ShouldShowWindowTitle() const { | |
279 // Only draw the title if the client hasn't declared any additional client | |
280 // areas which might conflict with it. | |
281 return window_ && window_->additional_client_areas().empty(); | |
282 } | |
283 | |
284 views::ClientView* NonClientFrameController::CreateClientView( | |
285 views::Widget* widget) { | |
286 return new ClientViewMus(widget, GetContentsView(), this); | |
287 } | |
288 | |
289 void NonClientFrameController::OnWindowSharedPropertyChanged( | |
290 mus::Window* window, | |
291 const std::string& name, | |
292 const std::vector<uint8_t>* old_data, | |
293 const std::vector<uint8_t>* new_data) { | |
294 if (name == mus::mojom::WindowManager::kResizeBehavior_Property) | |
295 widget_->OnSizeConstraintsChanged(); | |
296 else if (name == mus::mojom::WindowManager::kWindowTitle_Property) | |
297 widget_->UpdateWindowTitle(); | |
298 } | |
299 | |
300 void NonClientFrameController::OnWindowLocalPropertyChanged( | |
301 mus::Window* window, | |
302 const void* key, | |
303 intptr_t old) { | |
304 if (IsWindowJankyProperty(key)) { | |
305 widget_->UpdateWindowTitle(); | |
306 widget_->non_client_view()->frame_view()->SchedulePaint(); | |
307 } | |
308 } | |
309 | |
310 void NonClientFrameController::OnWindowDestroyed(mus::Window* window) { | |
311 window_->RemoveObserver(this); | |
312 window_ = nullptr; | |
313 } | |
314 | |
315 } // namespace wm | |
316 } // namespace mash | |
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