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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 "mash/browser/browser.h" | |
6 | |
7 #include "base/macros.h" | |
8 #include "base/memory/weak_ptr.h" | |
9 #include "base/message_loop/message_loop.h" | |
10 #include "base/strings/string16.h" | |
11 #include "base/strings/string_util.h" | |
12 #include "base/strings/utf_string_conversions.h" | |
13 #include "base/timer/timer.h" | |
14 #include "components/mus/public/cpp/window.h" | |
15 #include "components/mus/public/cpp/window_tree_connection.h" | |
16 #include "mash/public/interfaces/launchable.mojom.h" | |
17 #include "mojo/converters/geometry/geometry_type_converters.h" | |
18 #include "mojo/public/c/system/main.h" | |
19 #include "services/navigation/public/interfaces/view.mojom.h" | |
20 #include "services/shell/public/cpp/application_runner.h" | |
21 #include "services/shell/public/cpp/connector.h" | |
22 #include "services/shell/public/cpp/shell_client.h" | |
23 #include "services/tracing/public/cpp/tracing_impl.h" | |
24 #include "ui/aura/mus/mus_util.h" | |
25 #include "ui/gfx/canvas.h" | |
26 #include "ui/gfx/paint_throbber.h" | |
27 #include "ui/gfx/text_constants.h" | |
28 #include "ui/native_theme/native_theme.h" | |
29 #include "ui/views/background.h" | |
30 #include "ui/views/controls/button/label_button.h" | |
31 #include "ui/views/controls/textfield/textfield.h" | |
32 #include "ui/views/controls/textfield/textfield_controller.h" | |
33 #include "ui/views/mus/aura_init.h" | |
34 #include "ui/views/mus/window_manager_connection.h" | |
35 #include "ui/views/widget/widget_delegate.h" | |
36 #include "url/gurl.h" | |
37 | |
38 namespace mash { | |
39 namespace browser { | |
40 | |
41 void EnableButton(views::CustomButton* button, bool enabled) { | |
42 button->SetState(enabled ? views::Button::STATE_NORMAL | |
43 : views::Button::STATE_DISABLED); | |
44 } | |
45 | |
46 class ProgressBar : public views::View { | |
47 public: | |
48 ProgressBar() {} | |
49 ~ProgressBar() override {} | |
50 | |
51 void SetProgress(double progress) { | |
52 progress_ = progress; | |
53 SchedulePaint(); | |
54 } | |
55 | |
56 private: | |
57 void OnPaint(gfx::Canvas* canvas) override { | |
58 gfx::Rect stroke_rect = GetLocalBounds(); | |
59 stroke_rect.set_y(stroke_rect.bottom() - 1); | |
60 stroke_rect.set_height(1); | |
61 canvas->FillRect(stroke_rect, SK_ColorGRAY); | |
62 if (progress_ != 0.f) { | |
63 gfx::Rect progress_rect = GetLocalBounds(); | |
64 progress_rect.set_width(progress_rect.width() * progress_); | |
65 canvas->FillRect(progress_rect, SK_ColorRED); | |
66 } | |
67 } | |
68 | |
69 double progress_ = 0.f; | |
70 | |
71 DISALLOW_COPY_AND_ASSIGN(ProgressBar); | |
72 }; | |
73 | |
74 class Throbber : public views::View { | |
75 public: | |
76 Throbber() : timer_(false, true), weak_factory_(this) {} | |
77 ~Throbber() override {} | |
78 | |
79 void Start() { | |
80 throbbing_ = true; | |
81 start_time_ = base::TimeTicks::Now(); | |
82 SchedulePaint(); | |
83 timer_.Start( | |
84 FROM_HERE, base::TimeDelta::FromMilliseconds(30), | |
85 base::Bind(&Throbber::SchedulePaint, weak_factory_.GetWeakPtr())); | |
86 } | |
87 | |
88 void Stop() { | |
89 throbbing_ = false; | |
90 if (timer_.IsRunning()) | |
91 timer_.Stop(); | |
92 SchedulePaint(); | |
93 } | |
94 | |
95 private: | |
96 void OnPaint(gfx::Canvas* canvas) override { | |
97 if (!throbbing_) | |
98 return; | |
99 | |
100 gfx::PaintThrobberSpinning( | |
101 canvas, GetLocalBounds(), | |
102 GetNativeTheme()->GetSystemColor( | |
103 ui::NativeTheme::kColorId_ThrobberSpinningColor), | |
104 base::TimeTicks::Now() - start_time_); | |
105 } | |
106 | |
107 bool throbbing_ = false; | |
108 base::TimeTicks start_time_; | |
109 base::Timer timer_; | |
110 base::WeakPtrFactory<Throbber> weak_factory_; | |
111 | |
112 DISALLOW_COPY_AND_ASSIGN(Throbber); | |
113 }; | |
114 | |
115 class UI : public views::WidgetDelegateView, | |
116 public views::ButtonListener, | |
117 public views::TextfieldController, | |
118 public navigation::mojom::ViewClient { | |
119 public: | |
120 enum class Type { WINDOW, POPUP }; | |
121 | |
122 UI(Browser* browser, | |
123 Type type, | |
124 navigation::mojom::ViewPtr view, | |
125 navigation::mojom::ViewClientRequest request) | |
126 : browser_(browser), | |
127 type_(type), | |
128 back_button_(new views::LabelButton(this, base::ASCIIToUTF16("Back"))), | |
129 forward_button_( | |
130 new views::LabelButton(this, base::ASCIIToUTF16("Forward"))), | |
131 reload_button_( | |
132 new views::LabelButton(this, base::ASCIIToUTF16("Reload"))), | |
133 prompt_(new views::Textfield), | |
134 throbber_(new Throbber), | |
135 progress_bar_(new ProgressBar), | |
136 view_(std::move(view)), | |
137 view_client_binding_(this, std::move(request)) { | |
138 set_background(views::Background::CreateStandardPanelBackground()); | |
139 prompt_->set_controller(this); | |
140 back_button_->set_request_focus_on_press(false); | |
141 forward_button_->set_request_focus_on_press(false); | |
142 reload_button_->set_request_focus_on_press(false); | |
143 AddChildView(back_button_); | |
144 AddChildView(forward_button_); | |
145 AddChildView(reload_button_); | |
146 AddChildView(prompt_); | |
147 AddChildView(throbber_); | |
148 AddChildView(progress_bar_); | |
149 } | |
150 ~UI() override { browser_->RemoveWindow(GetWidget()); } | |
151 | |
152 void NavigateTo(const GURL& url) { view_->NavigateTo(url); } | |
153 | |
154 private: | |
155 // Overridden from views::WidgetDelegate: | |
156 views::View* GetContentsView() override { return this; } | |
157 base::string16 GetWindowTitle() const override { | |
158 // TODO(beng): use resources. | |
159 if (current_title_.empty()) | |
160 return base::ASCIIToUTF16("Browser"); | |
161 base::string16 format = base::ASCIIToUTF16("%s - Browser"); | |
162 base::ReplaceFirstSubstringAfterOffset(&format, 0, base::ASCIIToUTF16("%s"), | |
163 current_title_); | |
164 return format; | |
165 } | |
166 bool CanResize() const override { return true; } | |
167 bool CanMaximize() const override { return true; } | |
168 bool CanMinimize() const override { return true; } | |
169 | |
170 // views::ButtonListener: | |
171 void ButtonPressed(views::Button* sender, const ui::Event& event) override { | |
172 if (sender == back_button_) { | |
173 view_->GoBack(); | |
174 } else if (sender == forward_button_) { | |
175 view_->GoForward(); | |
176 } else if (sender == reload_button_) { | |
177 if (is_loading_) | |
178 view_->Stop(); | |
179 else | |
180 view_->Reload(false); | |
181 } | |
182 } | |
183 | |
184 // Overridden from views::View: | |
185 void Layout() override { | |
186 gfx::Rect local_bounds = GetLocalBounds(); | |
187 gfx::Rect bounds = local_bounds; | |
188 bounds.Inset(5, 5); | |
189 | |
190 gfx::Size ps = back_button_->GetPreferredSize(); | |
191 back_button_->SetBoundsRect( | |
192 gfx::Rect(bounds.x(), bounds.y(), ps.width(), ps.height())); | |
193 ps = forward_button_->GetPreferredSize(); | |
194 forward_button_->SetBoundsRect(gfx::Rect(back_button_->bounds().right() + 5, | |
195 bounds.y(), ps.width(), | |
196 ps.height())); | |
197 ps = reload_button_->GetPreferredSize(); | |
198 reload_button_->SetBoundsRect( | |
199 gfx::Rect(forward_button_->bounds().right() + 5, bounds.y(), ps.width(), | |
200 ps.height())); | |
201 | |
202 ps = prompt_->GetPreferredSize(); | |
203 int prompt_y = | |
204 bounds.y() + (reload_button_->bounds().height() - ps.height()) / 2; | |
205 int width = | |
206 bounds.width() - reload_button_->bounds().right() - ps.height() - 10; | |
207 prompt_->SetBoundsRect(gfx::Rect(reload_button_->bounds().right() + 5, | |
208 prompt_y, width, ps.height())); | |
209 throbber_->SetBoundsRect(gfx::Rect(prompt_->bounds().right() + 5, | |
210 prompt_->bounds().y(), ps.height(), | |
211 ps.height())); | |
212 | |
213 gfx::Rect progress_bar_rect(local_bounds.x(), | |
214 back_button_->bounds().bottom() + 5, | |
215 local_bounds.width(), 2); | |
216 progress_bar_->SetBoundsRect(progress_bar_rect); | |
217 | |
218 if (content_area_) { | |
219 int x = local_bounds.x(); | |
220 int y = type_ == Type::POPUP ? 0 : progress_bar_->bounds().bottom(); | |
221 gfx::Point offset(x, y); | |
222 ConvertPointToWidget(this, &offset); | |
223 int width = local_bounds.width(); | |
224 int height = local_bounds.height() - y; | |
225 content_area_->SetBounds( | |
226 gfx::Rect(offset.x(), offset.y(), width, height)); | |
227 } | |
228 } | |
229 void ViewHierarchyChanged( | |
230 const views::View::ViewHierarchyChangedDetails& details) override { | |
231 if (details.is_add && GetWidget() && !content_area_) { | |
232 mus::Window* window = aura::GetMusWindow(GetWidget()->GetNativeWindow()); | |
233 content_area_ = window->connection()->NewWindow(nullptr); | |
234 window->AddChild(content_area_); | |
235 | |
236 mus::mojom::WindowTreeClientPtr client; | |
237 view_->GetWindowTreeClient(GetProxy(&client)); | |
238 content_area_->Embed(std::move(client)); | |
239 } | |
240 } | |
241 | |
242 // Overridden from views::TextFieldController: | |
243 bool HandleKeyEvent(views::Textfield* sender, | |
244 const ui::KeyEvent& key_event) override { | |
245 switch (key_event.key_code()) { | |
246 case ui::VKEY_RETURN: { | |
247 view_->NavigateTo(GURL(prompt_->text())); | |
248 } break; | |
249 default: | |
250 break; | |
251 } | |
252 return false; | |
253 } | |
254 | |
255 // navigation::mojom::ViewClient: | |
256 void LoadingStateChanged(bool is_loading) override { | |
257 is_loading_ = is_loading; | |
258 if (is_loading_) { | |
259 reload_button_->SetText(base::ASCIIToUTF16("Stop")); | |
260 throbber_->Start(); | |
261 } else { | |
262 reload_button_->SetText(base::ASCIIToUTF16("Reload")); | |
263 throbber_->Stop(); | |
264 progress_bar_->SetProgress(0.f); | |
265 } | |
266 } | |
267 void NavigationStateChanged(const GURL& url, | |
268 const mojo::String& title, | |
269 bool can_go_back, | |
270 bool can_go_forward) override { | |
271 EnableButton(back_button_, can_go_back); | |
272 EnableButton(forward_button_, can_go_forward); | |
273 prompt_->SetText(base::UTF8ToUTF16(url.spec())); | |
274 current_title_ = base::UTF8ToUTF16(title.get()); | |
275 GetWidget()->UpdateWindowTitle(); | |
276 } | |
277 void LoadProgressChanged(double progress) override { | |
278 progress_bar_->SetProgress(progress); | |
279 } | |
280 void ViewCreated(navigation::mojom::ViewPtr view, | |
281 navigation::mojom::ViewClientRequest request, | |
282 bool is_popup, | |
283 mojo::RectPtr initial_rect, | |
284 bool user_gesture) override { | |
285 views::Widget* window = views::Widget::CreateWindowWithContextAndBounds( | |
286 new UI(browser_, is_popup ? UI::Type::POPUP : UI::Type::WINDOW, | |
287 std::move(view), std::move(request)), | |
288 nullptr, initial_rect.To<gfx::Rect>()); | |
289 window->Show(); | |
290 browser_->AddWindow(window); | |
291 } | |
292 void Close() override { GetWidget()->Close(); } | |
293 | |
294 Browser* browser_; | |
295 | |
296 Type type_; | |
297 | |
298 views::LabelButton* back_button_; | |
299 views::LabelButton* forward_button_; | |
300 views::LabelButton* reload_button_; | |
301 views::Textfield* prompt_; | |
302 Throbber* throbber_; | |
303 ProgressBar* progress_bar_; | |
304 | |
305 mus::Window* content_area_ = nullptr; | |
306 | |
307 navigation::mojom::ViewPtr view_; | |
308 mojo::Binding<navigation::mojom::ViewClient> view_client_binding_; | |
309 | |
310 bool is_loading_ = false; | |
311 base::string16 current_title_; | |
312 | |
313 DISALLOW_COPY_AND_ASSIGN(UI); | |
314 }; | |
315 | |
316 Browser::Browser() {} | |
317 Browser::~Browser() {} | |
318 | |
319 void Browser::AddWindow(views::Widget* window) { | |
320 windows_.push_back(window); | |
321 } | |
322 | |
323 void Browser::RemoveWindow(views::Widget* window) { | |
324 auto it = std::find(windows_.begin(), windows_.end(), window); | |
325 DCHECK(it != windows_.end()); | |
326 windows_.erase(it); | |
327 if (windows_.empty()) | |
328 base::MessageLoop::current()->QuitWhenIdle(); | |
329 } | |
330 | |
331 void Browser::Initialize(shell::Connector* connector, | |
332 const shell::Identity& identity, | |
333 uint32_t id) { | |
334 connector_ = connector; | |
335 tracing_.Initialize(connector, identity.name()); | |
336 | |
337 aura_init_.reset(new views::AuraInit(connector, "views_mus_resources.pak")); | |
338 views::WindowManagerConnection::Create(connector, identity); | |
339 } | |
340 | |
341 bool Browser::AcceptConnection(shell::Connection* connection) { | |
342 connection->AddInterface<mojom::Launchable>(this); | |
343 return true; | |
344 } | |
345 | |
346 void Browser::Launch(uint32_t what, mojom::LaunchMode how) { | |
347 bool reuse = | |
348 how == mojom::LaunchMode::REUSE || how == mojom::LaunchMode::DEFAULT; | |
349 if (reuse && !windows_.empty()) { | |
350 windows_.back()->Activate(); | |
351 return; | |
352 } | |
353 | |
354 navigation::mojom::ViewFactoryPtr view_factory; | |
355 connector_->ConnectToInterface("exe:navigation", &view_factory); | |
356 navigation::mojom::ViewPtr view; | |
357 navigation::mojom::ViewClientPtr view_client; | |
358 navigation::mojom::ViewClientRequest view_client_request = | |
359 GetProxy(&view_client); | |
360 view_factory->CreateView(std::move(view_client), GetProxy(&view)); | |
361 UI* ui = new UI(this, UI::Type::WINDOW, std::move(view), | |
362 std::move(view_client_request)); | |
363 views::Widget* window = views::Widget::CreateWindowWithContextAndBounds( | |
364 ui, nullptr, gfx::Rect(10, 10, 1024, 600)); | |
365 ui->NavigateTo(GURL("http://www.google.com/")); | |
366 window->Show(); | |
367 AddWindow(window); | |
368 } | |
369 | |
370 void Browser::Create(shell::Connection* connection, | |
371 mojom::LaunchableRequest request) { | |
372 bindings_.AddBinding(this, std::move(request)); | |
373 } | |
374 | |
375 } // namespace browser | |
376 } // namespace mash | |
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