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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 "ui/events/event_constants.h"
#if defined CreateWindow
#undef CreateWindow
#endif
using mojo::view_manager::Id;
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 {
class WindowManager;
class WindowManagerConnection : public InterfaceImpl<IWindowManager> {
public:
explicit WindowManagerConnection(WindowManager* window_manager)
: window_manager_(window_manager) {}
virtual ~WindowManagerConnection() {}
private:
// Overridden from IWindowManager:
virtual void CloseWindow(Id node_id) OVERRIDE;
WindowManager* window_manager_;
DISALLOW_COPY_AND_ASSIGN(WindowManagerConnection);
};
class WindowManager : public Application,
public ViewObserver,
public ViewManagerDelegate {
public:
WindowManager() : view_manager_(NULL) {}
virtual ~WindowManager() {}
void CloseWindow(Id node_id) {
ViewTreeNode* node = view_manager_->GetNodeById(node_id);
DCHECK(node);
node->Destroy();
}
private:
// Overridden from Application:
virtual void Initialize() MOJO_OVERRIDE {
AddService<WindowManagerConnection>(this);
ViewManager::Create(this, this);
}
// Overridden from ViewObserver:
virtual void OnViewInputEvent(View* view, EventPtr event) OVERRIDE {
if (event->action == ui::ET_MOUSE_RELEASED) {
if (event->flags & ui::EF_LEFT_MOUSE_BUTTON)
CreateWindow("mojo:mojo_embedded_app");
else if (event->flags & ui::EF_RIGHT_MOUSE_BUTTON)
CreateWindow("mojo:mojo_nesting_app");
}
}
// Overridden from ViewManagerDelegate:
virtual void OnRootAdded(ViewManager* view_manager,
ViewTreeNode* root) OVERRIDE {
DCHECK(!view_manager_);
view_manager_ = view_manager;
ViewTreeNode* node = ViewTreeNode::Create(view_manager);
view_manager->roots().front()->AddChild(node);
node->SetBounds(gfx::Rect(800, 600));
parent_node_id_ = node->id();
View* view = View::Create(view_manager);
node->SetActiveView(view);
view->SetColor(SK_ColorBLUE);
view->AddObserver(this);
}
void CreateWindow(const String& url) {
ViewTreeNode* node = view_manager_->GetNodeById(parent_node_id_);
gfx::Rect bounds(50, 50, 200, 200);
if (!node->children().empty()) {
gfx::Point position = node->children().back()->bounds().origin();
position.Offset(50, 50);
bounds.set_origin(position);
}
ViewTreeNode* embedded = ViewTreeNode::Create(view_manager_);
node->AddChild(embedded);
embedded->SetBounds(bounds);
embedded->Embed(url);
}
ViewManager* view_manager_;
Id parent_node_id_;
DISALLOW_COPY_AND_ASSIGN(WindowManager);
};
void WindowManagerConnection::CloseWindow(Id node_id) {
window_manager_->CloseWindow(node_id);
}
} // namespace examples
// static
Application* Application::Create() {
return new examples::WindowManager;
}
} // namespace mojo
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