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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 "base/basictypes.h"
#include "base/bind.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/stringprintf.h"
#include "mojo/examples/window_manager/window_manager.mojom.h"
#include "mojo/public/cpp/application/application_connection.h"
#include "mojo/public/cpp/application/application_delegate.h"
#include "mojo/public/cpp/application/interface_factory_with_context.h"
#include "mojo/services/public/cpp/view_manager/node.h"
#include "mojo/services/public/cpp/view_manager/node_observer.h"
#include "mojo/services/public/cpp/view_manager/view.h"
#include "mojo/services/public/cpp/view_manager/view_manager.h"
#include "mojo/services/public/cpp/view_manager/view_manager_client_factory.h"
#include "mojo/services/public/cpp/view_manager/view_manager_delegate.h"
#include "mojo/services/public/cpp/view_manager/view_observer.h"
#include "mojo/services/public/interfaces/navigation/navigation.mojom.h"
#include "ui/events/event_constants.h"
#include "url/gurl.h"
namespace mojo {
namespace examples {
namespace {
const char kEmbeddedAppURL[] = "mojo:mojo_embedded_app";
}
class NestingApp;
class NavigatorImpl : public InterfaceImpl<Navigator> {
public:
explicit NavigatorImpl(NestingApp* app) : app_(app) {}
private:
virtual void Navigate(
uint32 node_id,
NavigationDetailsPtr navigation_details,
ResponseDetailsPtr response_details) OVERRIDE;
NestingApp* app_;
DISALLOW_COPY_AND_ASSIGN(NavigatorImpl);
};
// An app that embeds another app.
// TODO(davemoore): Is this the right name?
class NestingApp
: public ApplicationDelegate,
public ViewManagerDelegate,
public ViewObserver,
public NodeObserver,
public InterfaceFactoryWithContext<NavigatorImpl, NestingApp> {
public:
NestingApp()
: InterfaceFactoryWithContext(this),
nested_(NULL),
view_manager_client_factory_(this) {}
virtual ~NestingApp() {}
void set_color(const std::string& color) { color_ = color; }
void NavigateChild() {
if (!color_.empty() && nested_) {
NavigationDetailsPtr details(NavigationDetails::New());
details->url =
base::StringPrintf("%s/%s", kEmbeddedAppURL, color_.c_str());
ResponseDetailsPtr response_details(ResponseDetails::New());
navigator_->Navigate(
nested_->id(), details.Pass(), response_details.Pass());
}
}
private:
// Overridden from ApplicationImpl:
virtual bool ConfigureIncomingConnection(ApplicationConnection* connection)
MOJO_OVERRIDE {
connection->ConnectToService(&window_manager_);
connection->AddService(&view_manager_client_factory_);
connection->AddService(this);
// TODO(davemoore): Is this ok?
if (!navigator_) {
connection->ConnectToApplication(
kEmbeddedAppURL)->ConnectToService(&navigator_);
}
return true;
}
// Overridden from ViewManagerDelegate:
virtual void OnEmbed(ViewManager* view_manager, Node* root) OVERRIDE {
root->AddObserver(this);
View* view = View::Create(view_manager);
root->SetActiveView(view);
view->SetColor(SK_ColorCYAN);
view->AddObserver(this);
nested_ = Node::Create(view_manager);
root->AddChild(nested_);
nested_->SetBounds(gfx::Rect(20, 20, 50, 50));
nested_->Embed(kEmbeddedAppURL);
NavigateChild();
}
virtual void OnViewManagerDisconnected(ViewManager* view_manager) OVERRIDE {
base::MessageLoop::current()->Quit();
}
// Overridden from ViewObserver:
virtual void OnViewInputEvent(View* view, const EventPtr& event) OVERRIDE {
if (event->action == EVENT_TYPE_MOUSE_RELEASED)
window_manager_->CloseWindow(view->node()->id());
}
// Overridden from NodeObserver:
virtual void OnNodeDestroyed(Node* node) OVERRIDE {
// TODO(beng): reap views & child nodes.
nested_ = NULL;
}
std::string color_;
Node* nested_;
NavigatorPtr navigator_;
IWindowManagerPtr window_manager_;
ViewManagerClientFactory view_manager_client_factory_;
DISALLOW_COPY_AND_ASSIGN(NestingApp);
};
void NavigatorImpl::Navigate(uint32 node_id,
NavigationDetailsPtr navigation_details,
ResponseDetailsPtr response_details) {
GURL url(navigation_details->url.To<std::string>());
if (!url.is_valid()) {
LOG(ERROR) << "URL is invalid.";
return;
}
app_->set_color(url.path().substr(1));
app_->NavigateChild();
}
} // namespace examples
// static
ApplicationDelegate* ApplicationDelegate::Create() {
return new examples::NestingApp;
}
} // namespace mojo
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