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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 "mojo/examples/window_manager/window_manager.mojom.h"
#include "mojo/public/cpp/application/application.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_delegate.h"
#include "mojo/services/public/cpp/view_manager/view_observer.h"
#include "mojo/services/public/cpp/view_manager/view_tree_node.h"
#include "mojo/services/public/cpp/view_manager/view_tree_node_observer.h"
#include "ui/events/event_constants.h"
using mojo::view_manager::View;
using mojo::view_manager::ViewManager;
using mojo::view_manager::ViewManagerDelegate;
using mojo::view_manager::ViewObserver;
using mojo::view_manager::ViewTreeNode;
using mojo::view_manager::ViewTreeNodeObserver;
namespace mojo {
namespace examples {
namespace {
const SkColor kColors[] = { SK_ColorYELLOW,
SK_ColorRED,
SK_ColorGREEN,
SK_ColorMAGENTA };
} // namespace
class EmbeddedApp : public Application,
public ViewManagerDelegate,
public ViewObserver,
public ViewTreeNodeObserver {
public:
EmbeddedApp() {}
virtual ~EmbeddedApp() {}
private:
// Overridden from Application:
virtual void Initialize() MOJO_OVERRIDE {
ViewManager::Create(this, this);
ConnectTo<IWindowManager>("mojo:mojo_window_manager", &window_manager_);
}
// Overridden from ViewManagerDelegate:
virtual void OnRootAdded(ViewManager* view_manager,
ViewTreeNode* root) OVERRIDE {
View* view = View::Create(view_manager);
view->AddObserver(this);
root->SetActiveView(view);
root->AddObserver(this);
size_t index = view_manager->GetRoots().size() - 1;
view->SetColor(kColors[index % arraysize(kColors)]);
}
virtual void OnRootRemoved(ViewManager* view_manager,
ViewTreeNode* root) OVERRIDE {
std::map<ViewTreeNode*, View*>::const_iterator it =
views_to_reap_.find(root);
if (it != views_to_reap_.end())
it->second->Destroy();
}
// Overridden from ViewObserver:
virtual void OnViewInputEvent(View* view, EventPtr event) OVERRIDE {
if (event->action == ui::ET_MOUSE_RELEASED)
window_manager_->CloseWindow(view->node()->id());
}
// Overridden from ViewTreeNodeObserver:
virtual void OnNodeActiveViewChange(
ViewTreeNode* node,
View* old_view,
View* new_view,
ViewTreeNodeObserver::DispositionChangePhase phase) OVERRIDE {
if (new_view == 0)
views_to_reap_[node] = old_view;
}
IWindowManagerPtr window_manager_;
std::map<ViewTreeNode*, View*> views_to_reap_;
DISALLOW_COPY_AND_ASSIGN(EmbeddedApp);
};
} // namespace examples
// static
Application* Application::Create() {
return new examples::EmbeddedApp;
}
} // namespace mojo
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