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Issue 1344573002: Mandoline: Rename components/view_manager to components/mus (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebased Created 5 years, 3 months ago
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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 "components/view_manager/view_tree_host_connection.h"
6
7 #include "components/view_manager/connection_manager.h"
8 #include "components/view_manager/view_tree_host_impl.h"
9
10 namespace view_manager {
11
12 ViewTreeHostConnection::ViewTreeHostConnection(
13 scoped_ptr<ViewTreeHostImpl> host_impl,
14 ConnectionManager* manager)
15 : host_(host_impl.Pass()),
16 tree_(nullptr),
17 connection_manager_(manager),
18 connection_closed_(false) {
19 }
20
21 ViewTreeHostConnection::~ViewTreeHostConnection() {
22 // If this DCHECK fails then something has tried to delete this object without
23 // calling CloseConnection.
24 DCHECK(connection_closed_);
25 }
26
27
28 void ViewTreeHostConnection::CloseConnection() {
29 // A connection error will trigger the display to close and so we want to make
30 // sure we signal the ConnectionManager only once.
31 if (connection_closed_)
32 return;
33 // We have to shut down the focus system for this host before destroying the
34 // host, as destruction of the view tree will attempt to change focus.
35 host_->DestroyFocusController();
36 connection_manager()->OnHostConnectionClosed(this);
37 connection_closed_ = true;
38 delete this;
39 }
40
41 ViewTreeImpl* ViewTreeHostConnection::GetViewTree() {
42 return tree_;
43 }
44
45 void ViewTreeHostConnection::OnDisplayInitialized() {
46 }
47
48 void ViewTreeHostConnection::OnDisplayClosed() {
49 CloseConnection();
50 }
51
52 ViewTreeHostConnectionImpl::ViewTreeHostConnectionImpl(
53 mojo::InterfaceRequest<mojo::ViewTreeHost> request,
54 scoped_ptr<ViewTreeHostImpl> host_impl,
55 mojo::ViewTreeClientPtr client,
56 ConnectionManager* manager)
57 : ViewTreeHostConnection(host_impl.Pass(), manager),
58 binding_(view_tree_host(), request.Pass()),
59 client_(client.Pass()) {
60 }
61
62 ViewTreeHostConnectionImpl::~ViewTreeHostConnectionImpl() {
63 }
64
65 void ViewTreeHostConnectionImpl::OnDisplayInitialized() {
66 connection_manager()->AddHost(this);
67 set_view_tree(connection_manager()->EmbedAtView(
68 kInvalidConnectionId, view_tree_host()->root_view()->id(),
69 client_.Pass()));
70 }
71
72 } // namespace view_manager
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