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// Copyright 2014 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 "mojo/services/view_manager/view_manager_init_service_context.h"
#include "base/auto_reset.h"
#include "base/bind.h"
#include "mojo/services/view_manager/root_node_manager.h"
#include "mojo/services/view_manager/view_manager_init_service_impl.h"
namespace mojo {
namespace service {
ViewManagerInitServiceContext::ConnectParams::ConnectParams() {}
ViewManagerInitServiceContext::ConnectParams::~ConnectParams() {}
ViewManagerInitServiceContext::ViewManagerInitServiceContext()
: is_tree_host_ready_(false),
deleting_connection_(false) {}
ViewManagerInitServiceContext::~ViewManagerInitServiceContext() {}
void ViewManagerInitServiceContext::AddConnection(
ViewManagerInitServiceImpl* connection) {
DCHECK(std::find(connections_.begin(), connections_.end(), connection) ==
connections_.end());
connections_.push_back(connection);
}
void ViewManagerInitServiceContext::RemoveConnection(
ViewManagerInitServiceImpl* connection) {
if (!deleting_connection_) {
Connections::iterator it =
std::find(connections_.begin(), connections_.end(), connection);
DCHECK(it != connections_.end());
connections_.erase(it);
}
// This object is owned by an object that outlives the current thread's
// message loop, so we need to destroy the RootNodeManager earlier, as it may
// attempt to post tasks during its destruction.
if (connections_.empty())
root_node_manager_.reset();
}
void ViewManagerInitServiceContext::ConfigureIncomingConnection(
ApplicationConnection* connection) {
if (!root_node_manager_.get()) {
root_node_manager_.reset(new RootNodeManager(
connection,
this,
base::Bind(&ViewManagerInitServiceContext::OnNativeViewportDeleted,
base::Unretained(this))));
}
}
void ViewManagerInitServiceContext::Embed(
const String& url,
ServiceProviderPtr service_provider,
const Callback<void(bool)>& callback) {
ConnectParams* params = new ConnectParams;
params->url = url.To<std::string>();
params->callback = callback;
params->service_provider.Bind(service_provider.PassMessagePipe());
connect_params_.push_back(params);
MaybeEmbed();
}
void ViewManagerInitServiceContext::OnRootViewManagerWindowTreeHostCreated() {
DCHECK(!is_tree_host_ready_);
is_tree_host_ready_ = true;
MaybeEmbed();
}
void ViewManagerInitServiceContext::OnNativeViewportDeleted() {
// Prevent the connection from modifying the connection list during manual
// teardown.
base::AutoReset<bool> deleting_connection(&deleting_connection_, true);
for (Connections::const_iterator it = connections_.begin();
it != connections_.end(); ++it) {
delete *it;
}
connections_.clear();
root_node_manager_.reset();
}
void ViewManagerInitServiceContext::MaybeEmbed() {
if (!is_tree_host_ready_)
return;
for (ScopedVector<ConnectParams>::const_iterator it = connect_params_.begin();
it != connect_params_.end(); ++it) {
root_node_manager_->EmbedRoot((*it)->url, (*it)->service_provider.Pass());
(*it)->callback.Run(true);
}
connect_params_.clear();
}
} // namespace service
} // namespace mojo
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