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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/logging.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/string_number_conversions.h"
#include "mojo/public/cpp/application/application_connection.h"
#include "mojo/public/cpp/application/application_delegate.h"
#include "mojo/public/cpp/application/application_impl.h"
#include "mojo/public/cpp/application/interface_factory_impl.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"
#include "url/url_util.h"
namespace mojo {
namespace examples {
class EmbeddedApp;
class NavigatorImpl : public InterfaceImpl<Navigator> {
public:
explicit NavigatorImpl(EmbeddedApp* app) : app_(app) {}
private:
virtual void Navigate(
uint32 node_id,
NavigationDetailsPtr navigation_details,
ResponseDetailsPtr response_details) OVERRIDE;
EmbeddedApp* app_;
DISALLOW_COPY_AND_ASSIGN(NavigatorImpl);
};
class EmbeddedApp
: public ApplicationDelegate,
public ViewManagerDelegate,
public ViewObserver,
public NodeObserver {
public:
EmbeddedApp()
: navigator_factory_(this),
view_manager_(NULL),
view_manager_client_factory_(this) {
url::AddStandardScheme("mojo");
}
virtual ~EmbeddedApp() {}
void SetNodeColor(uint32 node_id, SkColor color) {
pending_node_colors_[node_id] = color;
ProcessPendingNodeColor(node_id);
}
private:
// Overridden from ApplicationDelegate:
virtual void Initialize(ApplicationImpl* app) MOJO_OVERRIDE {
// TODO(aa): Weird for embeddee to talk to embedder by URL. Seems like
// embedder should be able to specify the SP embeddee receives, then
// communication can be anonymous.
app->ConnectToService("mojo:mojo_window_manager", &navigator_host_);
}
virtual bool ConfigureIncomingConnection(ApplicationConnection* connection)
MOJO_OVERRIDE {
connection->AddService(&view_manager_client_factory_);
connection->AddService(&navigator_factory_);
return true;
}
// Overridden from ViewManagerDelegate:
virtual void OnEmbed(ViewManager* view_manager, Node* root) OVERRIDE {
View* view = View::Create(view_manager);
view->AddObserver(this);
root->SetActiveView(view);
root->AddObserver(this);
roots_[root->id()] = root;
ProcessPendingNodeColor(root->id());
}
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) {
if (event->flags & EVENT_FLAGS_LEFT_MOUSE_BUTTON) {
NavigationDetailsPtr nav_details(NavigationDetails::New());
nav_details->url = "http://www.aaronboodman.com/z_dropbox/test.html";
navigator_host_->RequestNavigate(view->node()->id(),
TARGET_SOURCE_NODE,
nav_details.Pass());
}
}
}
// Overridden from NodeObserver:
virtual void OnNodeActiveViewChanged(Node* node,
View* old_view,
View* new_view) OVERRIDE {
if (new_view == 0)
views_to_reap_[node] = old_view;
}
virtual void OnNodeDestroyed(Node* node) OVERRIDE {
DCHECK(roots_.find(node->id()) != roots_.end());
roots_.erase(node->id());
std::map<Node*, View*>::const_iterator it = views_to_reap_.find(node);
if (it != views_to_reap_.end())
it->second->Destroy();
}
void ProcessPendingNodeColor(uint32 node_id) {
RootMap::iterator root = roots_.find(node_id);
if (root == roots_.end())
return;
PendingNodeColors::iterator color = pending_node_colors_.find(node_id);
if (color == pending_node_colors_.end())
return;
root->second->active_view()->SetColor(color->second);
pending_node_colors_.erase(color);
}
InterfaceFactoryImplWithContext<NavigatorImpl, EmbeddedApp>
navigator_factory_;
ViewManager* view_manager_;
NavigatorHostPtr navigator_host_;
std::map<Node*, View*> views_to_reap_;
ViewManagerClientFactory view_manager_client_factory_;
typedef std::map<Id, Node*> RootMap;
RootMap roots_;
// We can receive navigations for nodes we don't have yet.
typedef std::map<uint32, SkColor> PendingNodeColors;
PendingNodeColors pending_node_colors_;
DISALLOW_COPY_AND_ASSIGN(EmbeddedApp);
};
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;
}
// TODO(aa): Verify new URL is same origin as current origin.
SkColor color = 0x00;
if (!base::HexStringToUInt(url.path().substr(1), &color)) {
LOG(ERROR) << "Invalid URL, path not convertible to integer";
return;
}
app_->SetNodeColor(node_id, color);
}
} // namespace examples
// static
ApplicationDelegate* ApplicationDelegate::Create() {
return new examples::EmbeddedApp;
}
} // namespace mojo
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