1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "mash/wm/root_window_controller.h"
#include <stdint.h>
#include "base/bind.h"
#include "components/mus/common/util.h"
#include "components/mus/public/cpp/event_matcher.h"
#include "components/mus/public/cpp/window.h"
#include "components/mus/public/cpp/window_tree_connection.h"
#include "components/mus/public/cpp/window_tree_host_factory.h"
#include "mash/session/public/interfaces/session.mojom.h"
#include "mash/wm/background_layout.h"
#include "mash/wm/fill_layout.h"
#include "mash/wm/screenlock_layout.h"
#include "mash/wm/shadow_controller.h"
#include "mash/wm/shelf_layout.h"
#include "mash/wm/window_layout.h"
#include "mash/wm/window_manager.h"
#include "mash/wm/window_manager_application.h"
#include "mojo/shell/public/cpp/connector.h"
namespace mash {
namespace wm {
namespace {
const uint32_t kWindowSwitchAccelerator = 1;
void AssertTrue(bool success) {
DCHECK(success);
}
} // namespace
// static
RootWindowController* RootWindowController::CreateFromDisplay(
WindowManagerApplication* app,
mus::mojom::DisplayPtr display,
mojo::InterfaceRequest<mus::mojom::WindowTreeClient> client_request) {
RootWindowController* controller = new RootWindowController(app);
controller->display_ = std::move(display);
mus::WindowTreeConnection::CreateForWindowManager(
controller, std::move(client_request),
mus::WindowTreeConnection::CreateType::DONT_WAIT_FOR_EMBED,
controller->window_manager_.get());
return controller;
}
void RootWindowController::Destroy() {
// See class description for details on lifetime.
if (root_) {
delete root_->connection();
} else {
// This case only happens if we're destroyed before OnEmbed().
delete this;
}
}
mojo::Connector* RootWindowController::GetConnector() {
return app_->connector();
}
mus::Window* RootWindowController::GetWindowForContainer(
mojom::Container container) {
const mus::Id window_id = root_->connection()->GetConnectionId() << 16 |
static_cast<uint16_t>(container);
return root_->GetChildById(window_id);
}
mus::Window* RootWindowController::GetWindowById(mus::Id id) {
return root_->GetChildById(id);
}
bool RootWindowController::WindowIsContainer(const mus::Window* window) const {
return window && window->parent() == root_;
}
mus::WindowManagerClient* RootWindowController::window_manager_client() {
return window_manager_->window_manager_client();
}
void RootWindowController::OnAccelerator(uint32_t id, const ui::Event& event) {
switch (id) {
case kWindowSwitchAccelerator:
window_manager_client()->ActivateNextWindow();
break;
default:
app_->OnAccelerator(id, event);
break;
}
}
RootWindowController::RootWindowController(WindowManagerApplication* app)
: app_(app), root_(nullptr), window_count_(0) {
window_manager_.reset(new WindowManager);
}
RootWindowController::~RootWindowController() {}
void RootWindowController::AddAccelerators() {
window_manager_client()->AddAccelerator(
kWindowSwitchAccelerator,
mus::CreateKeyMatcher(mus::mojom::KeyboardCode::TAB,
mus::mojom::kEventFlagControlDown),
base::Bind(&AssertTrue));
}
void RootWindowController::OnEmbed(mus::Window* root) {
root_ = root;
root_->AddObserver(this);
layout_manager_[root_].reset(new FillLayout(root_));
app_->OnRootWindowControllerGotRoot(this);
CreateContainers();
// Override the default layout managers for certain containers.
mus::Window* user_background =
GetWindowForContainer(mojom::Container::USER_BACKGROUND);
layout_manager_[user_background].reset(new BackgroundLayout(user_background));
mus::Window* login_app = GetWindowForContainer(mojom::Container::LOGIN_APP);
layout_manager_[login_app].reset(new ScreenlockLayout(login_app));
mus::Window* user_shelf = GetWindowForContainer(mojom::Container::USER_SHELF);
layout_manager_[user_shelf].reset(new ShelfLayout(user_shelf));
mus::Window* window = GetWindowForContainer(mojom::Container::USER_WINDOWS);
layout_manager_[window].reset(new WindowLayout(window));
window_manager_client()->AddActivationParent(window);
AddAccelerators();
window_manager_->Initialize(this, app_->session());
shadow_controller_.reset(new ShadowController(root->connection()));
app_->OnRootWindowControllerDoneInit(this);
}
void RootWindowController::OnConnectionLost(
mus::WindowTreeConnection* connection) {
shadow_controller_.reset();
delete this;
}
void RootWindowController::OnWindowDestroyed(mus::Window* window) {
DCHECK_EQ(window, root_);
app_->OnRootWindowDestroyed(this);
root_->RemoveObserver(this);
// Delete the |window_manager_| here so that WindowManager doesn't have to
// worry about the possibility of |root_| being null.
window_manager_.reset();
root_ = nullptr;
}
void RootWindowController::CreateContainer(
mash::wm::mojom::Container container,
mash::wm::mojom::Container parent_container) {
mus::Window* window = root_->connection()->NewWindow();
DCHECK_EQ(mus::LoWord(window->id()), static_cast<uint16_t>(container))
<< "Containers must be created before other windows!";
// Install a FillLayout by default for containers.
layout_manager_[window].reset(new FillLayout(window));
// User private windows are hidden by default until the window manager learns
// the lock state, so their contents are never accidentally revealed.
window->SetVisible(container != mojom::Container::USER_PRIVATE);
mus::Id parent_id = (mus::HiWord(window->id()) << 16) |
static_cast<uint16_t>(parent_container);
mus::Window* parent = parent_container == mojom::Container::ROOT
? root_
: root_->GetChildById(parent_id);
parent->AddChild(window);
}
void RootWindowController::CreateContainers() {
CreateContainer(mojom::Container::ALL_USER_BACKGROUND,
mojom::Container::ROOT);
CreateContainer(mojom::Container::USER_WORKSPACE, mojom::Container::ROOT);
CreateContainer(mojom::Container::USER_BACKGROUND,
mojom::Container::USER_WORKSPACE);
CreateContainer(mojom::Container::USER_PRIVATE,
mojom::Container::USER_WORKSPACE);
CreateContainer(mojom::Container::USER_WINDOWS,
mojom::Container::USER_PRIVATE);
CreateContainer(mojom::Container::USER_STICKY_WINDOWS,
mojom::Container::USER_PRIVATE);
CreateContainer(mojom::Container::USER_PRESENTATION_WINDOWS,
mojom::Container::USER_PRIVATE);
CreateContainer(mojom::Container::USER_SHELF, mojom::Container::USER_PRIVATE);
CreateContainer(mojom::Container::LOGIN_WINDOWS, mojom::Container::ROOT);
CreateContainer(mojom::Container::LOGIN_APP, mojom::Container::LOGIN_WINDOWS);
CreateContainer(mojom::Container::LOGIN_SHELF,
mojom::Container::LOGIN_WINDOWS);
CreateContainer(mojom::Container::SYSTEM_MODAL_WINDOWS,
mojom::Container::ROOT);
CreateContainer(mojom::Container::KEYBOARD, mojom::Container::ROOT);
CreateContainer(mojom::Container::MENUS, mojom::Container::ROOT);
CreateContainer(mojom::Container::TOOLTIPS, mojom::Container::ROOT);
}
} // namespace wm
} // namespace mash
|
