window_tree_host_mojo.cc revision f8ee788a64d60abd8f2d742a5fdedde054ecd910 
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
16namespace mojo {
17namespace {
18
19const char kTreeHostsKey[] = "tree_hosts";
20
21typedef std::vector<WindowTreeHostMojo*> Managers;
22
23class TreeHosts : public base::SupportsUserData::Data {
24 public:
25  TreeHosts() {}
26  virtual ~TreeHosts() {}
27
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
38  void Add(WindowTreeHostMojo* manager) {
39    managers_.push_back(manager);
40  }
41
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
49  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
64WindowTreeHostMojo::WindowTreeHostMojo(const gfx::Rect& bounds,
65                                       WindowTreeHostMojoDelegate* delegate)
66    : bounds_(bounds),
67      delegate_(delegate) {
68  CreateCompositor(GetAcceleratedWidget());
69
70  TreeHosts::Get()->Add(this);
71}
72
73WindowTreeHostMojo::~WindowTreeHostMojo() {
74  TreeHosts::Get()->Remove(this);
75  DestroyCompositor();
76  DestroyDispatcher();
77}
78
79// static
80WindowTreeHostMojo* WindowTreeHostMojo::ForCompositor(
81    ui::Compositor* compositor) {
82  const Managers& managers = TreeHosts::Get()->managers();
83  for (size_t i = 0; i < managers.size(); ++i) {
84    if (managers[i]->compositor() == compositor)
85      return managers[i];
86  }
87  return NULL;
88}
89
90void WindowTreeHostMojo::SetContents(const SkBitmap& contents) {
91  delegate_->CompositorContentsChanged(contents);
92}
93
94////////////////////////////////////////////////////////////////////////////////
95// WindowTreeHostMojo, aura::WindowTreeHost implementation:
96
97ui::EventSource* WindowTreeHostMojo::GetEventSource() {
98  return this;
99}
100
101gfx::AcceleratedWidget WindowTreeHostMojo::GetAcceleratedWidget() {
102  return gfx::kNullAcceleratedWidget;
103}
104
105void WindowTreeHostMojo::Show() {
106  window()->Show();
107}
108
109void WindowTreeHostMojo::Hide() {
110}
111
112gfx::Rect WindowTreeHostMojo::GetBounds() const {
113  return bounds_;
114}
115
116void WindowTreeHostMojo::SetBounds(const gfx::Rect& bounds) {
117  window()->SetBounds(gfx::Rect(bounds.size()));
118}
119
120gfx::Point WindowTreeHostMojo::GetLocationOnNativeScreen() const {
121  return gfx::Point(0, 0);
122}
123
124void WindowTreeHostMojo::SetCapture() {
125  NOTIMPLEMENTED();
126}
127
128void WindowTreeHostMojo::ReleaseCapture() {
129  NOTIMPLEMENTED();
130}
131
132void WindowTreeHostMojo::PostNativeEvent(
133    const base::NativeEvent& native_event) {
134  NOTIMPLEMENTED();
135}
136
137void WindowTreeHostMojo::OnDeviceScaleFactorChanged(
138    float device_scale_factor) {
139  NOTIMPLEMENTED();
140}
141
142void WindowTreeHostMojo::SetCursorNative(gfx::NativeCursor cursor) {
143  NOTIMPLEMENTED();
144}
145
146void WindowTreeHostMojo::MoveCursorToNative(const gfx::Point& location) {
147  NOTIMPLEMENTED();
148}
149
150void WindowTreeHostMojo::OnCursorVisibilityChangedNative(bool show) {
151  NOTIMPLEMENTED();
152}
153
154////////////////////////////////////////////////////////////////////////////////
155// WindowTreeHostMojo, ui::EventSource implementation:
156
157ui::EventProcessor* WindowTreeHostMojo::GetEventProcessor() {
158  return dispatcher();
159}
160
161}  // namespace mojo
162