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 "mojo/aura/window_tree_host_mojo.h"
6
7 #include <vector>
8
9 #include "mojo/aura/window_tree_host_mojo_delegate.h"
10 #include "ui/aura/env.h"
11 #include "ui/aura/window.h"
12 #include "ui/aura/window_event_dispatcher.h"
13 #include "ui/events/event.h"
14 #include "ui/events/event_constants.h"
15
16 namespace mojo {
17 namespace {
18
19 const char kTreeHostsKey[] = "tree_hosts";
20
21 typedef std::vector<WindowTreeHostMojo*> Managers;
22
23 class TreeHosts : public base::SupportsUserData::Data {
24 public:
TreeHosts()25 TreeHosts() {}
~TreeHosts()26 virtual ~TreeHosts() {}
27
Get()28 static TreeHosts* Get() {
29 TreeHosts* hosts = static_cast<TreeHosts*>(
30 aura::Env::GetInstance()->GetUserData(kTreeHostsKey));
31 if (!hosts) {
32 hosts = new TreeHosts;
33 aura::Env::GetInstance()->SetUserData(kTreeHostsKey, hosts);
34 }
35 return hosts;
36 }
37
Add(WindowTreeHostMojo * manager)38 void Add(WindowTreeHostMojo* manager) {
39 managers_.push_back(manager);
40 }
41
Remove(WindowTreeHostMojo * manager)42 void Remove(WindowTreeHostMojo* manager) {
43 Managers::iterator i = std::find(managers_.begin(), managers_.end(),
44 manager);
45 DCHECK(i != managers_.end());
46 managers_.erase(i);
47 }
48
managers() const49 const std::vector<WindowTreeHostMojo*> managers() const {
50 return managers_;
51 }
52
53 private:
54 Managers managers_;
55
56 DISALLOW_COPY_AND_ASSIGN(TreeHosts);
57 };
58
59 } // namespace
60
61 ////////////////////////////////////////////////////////////////////////////////
62 // WindowTreeHostMojo, public:
63
WindowTreeHostMojo(View * view,WindowTreeHostMojoDelegate * delegate)64 WindowTreeHostMojo::WindowTreeHostMojo(View* view,
65 WindowTreeHostMojoDelegate* delegate)
66 : view_(view),
67 bounds_(view->bounds()),
68 delegate_(delegate) {
69 view_->AddObserver(this);
70 CreateCompositor(GetAcceleratedWidget());
71
72 TreeHosts::Get()->Add(this);
73 }
74
~WindowTreeHostMojo()75 WindowTreeHostMojo::~WindowTreeHostMojo() {
76 view_->RemoveObserver(this);
77 TreeHosts::Get()->Remove(this);
78 DestroyCompositor();
79 DestroyDispatcher();
80 }
81
82 // static
ForCompositor(ui::Compositor * compositor)83 WindowTreeHostMojo* WindowTreeHostMojo::ForCompositor(
84 ui::Compositor* compositor) {
85 const Managers& managers = TreeHosts::Get()->managers();
86 for (size_t i = 0; i < managers.size(); ++i) {
87 if (managers[i]->compositor() == compositor)
88 return managers[i];
89 }
90 return NULL;
91 }
92
SetContents(const SkBitmap & contents)93 void WindowTreeHostMojo::SetContents(const SkBitmap& contents) {
94 delegate_->CompositorContentsChanged(contents);
95 }
96
97 ////////////////////////////////////////////////////////////////////////////////
98 // WindowTreeHostMojo, aura::WindowTreeHost implementation:
99
GetEventSource()100 ui::EventSource* WindowTreeHostMojo::GetEventSource() {
101 return this;
102 }
103
GetAcceleratedWidget()104 gfx::AcceleratedWidget WindowTreeHostMojo::GetAcceleratedWidget() {
105 return gfx::kNullAcceleratedWidget;
106 }
107
Show()108 void WindowTreeHostMojo::Show() {
109 window()->Show();
110 }
111
Hide()112 void WindowTreeHostMojo::Hide() {
113 }
114
GetBounds() const115 gfx::Rect WindowTreeHostMojo::GetBounds() const {
116 return bounds_;
117 }
118
SetBounds(const gfx::Rect & bounds)119 void WindowTreeHostMojo::SetBounds(const gfx::Rect& bounds) {
120 window()->SetBounds(gfx::Rect(bounds.size()));
121 }
122
GetLocationOnNativeScreen() const123 gfx::Point WindowTreeHostMojo::GetLocationOnNativeScreen() const {
124 return gfx::Point(0, 0);
125 }
126
SetCapture()127 void WindowTreeHostMojo::SetCapture() {
128 NOTIMPLEMENTED();
129 }
130
ReleaseCapture()131 void WindowTreeHostMojo::ReleaseCapture() {
132 NOTIMPLEMENTED();
133 }
134
PostNativeEvent(const base::NativeEvent & native_event)135 void WindowTreeHostMojo::PostNativeEvent(
136 const base::NativeEvent& native_event) {
137 NOTIMPLEMENTED();
138 }
139
SetCursorNative(gfx::NativeCursor cursor)140 void WindowTreeHostMojo::SetCursorNative(gfx::NativeCursor cursor) {
141 NOTIMPLEMENTED();
142 }
143
MoveCursorToNative(const gfx::Point & location)144 void WindowTreeHostMojo::MoveCursorToNative(const gfx::Point& location) {
145 NOTIMPLEMENTED();
146 }
147
OnCursorVisibilityChangedNative(bool show)148 void WindowTreeHostMojo::OnCursorVisibilityChangedNative(bool show) {
149 NOTIMPLEMENTED();
150 }
151
152 ////////////////////////////////////////////////////////////////////////////////
153 // WindowTreeHostMojo, ui::EventSource implementation:
154
GetEventProcessor()155 ui::EventProcessor* WindowTreeHostMojo::GetEventProcessor() {
156 return dispatcher();
157 }
158
159 ////////////////////////////////////////////////////////////////////////////////
160 // WindowTreeHostMojo, ViewObserver implementation:
161
OnViewBoundsChanged(View * view,const gfx::Rect & old_bounds,const gfx::Rect & new_bounds)162 void WindowTreeHostMojo::OnViewBoundsChanged(
163 View* view,
164 const gfx::Rect& old_bounds,
165 const gfx::Rect& new_bounds) {
166 bounds_ = new_bounds;
167 if (old_bounds.origin() != new_bounds.origin())
168 OnHostMoved(bounds_.origin());
169 if (old_bounds.size() != new_bounds.size())
170 OnHostResized(bounds_.size());
171 }
172
173 } // namespace mojo
174