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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.
#ifndef MOJO_SERVICES_WINDOW_MANAGER_WINDOW_MANAGER_APP_H_
#define MOJO_SERVICES_WINDOW_MANAGER_WINDOW_MANAGER_APP_H_
#include <set>
#include "base/memory/scoped_ptr.h"
#include "mojo/aura/window_tree_host_mojo.h"
#include "mojo/aura/window_tree_host_mojo_delegate.h"
#include "mojo/public/cpp/application/application_delegate.h"
#include "mojo/public/cpp/application/interface_factory_impl.h"
#include "mojo/public/cpp/bindings/string.h"
#include "mojo/services/public/cpp/view_manager/types.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/cpp/view_manager/window_manager_delegate.h"
#include "mojo/services/window_manager/window_manager_service_impl.h"
#include "ui/aura/client/focus_change_observer.h"
#include "ui/events/event_handler.h"
#include "ui/wm/public/activation_change_observer.h"
namespace aura {
namespace client {
class ActivationClient;
class FocusClient;
}
class Window;
}
namespace wm {
class FocusRules;
class ScopedCaptureClient;
}
namespace mojo {
class AuraInit;
class DummyDelegate;
class WindowManagerServiceImpl;
class WindowTreeHostMojo;
// Implements core window manager functionality that could conceivably be shared
// across multiple window managers implementing superficially different user
// experiences. Establishes communication with the view manager.
// A window manager wishing to use this core should create and own an instance
// of this object. They may implement the associated ViewManager/WindowManager
// delegate interfaces exposed by the view manager, this object provides the
// canonical implementation of said interfaces but will call out to the wrapped
// instances.
// This object maintains an aura::WindowTreeHost containing a hierarchy of
// aura::Windows. Window manager functionality (e.g. focus, activation,
// modality, etc.) are implemented using aura core window manager components.
class WindowManagerApp
: public ApplicationDelegate,
public ViewManagerDelegate,
public WindowManagerDelegate,
public ViewObserver,
public WindowTreeHostMojoDelegate,
public ui::EventHandler,
public aura::client::FocusChangeObserver,
public aura::client::ActivationChangeObserver {
public:
WindowManagerApp(ViewManagerDelegate* view_manager_delegate,
WindowManagerDelegate* window_manager_delegate);
virtual ~WindowManagerApp();
static View* GetViewForWindow(aura::Window* window);
aura::Window* GetWindowForViewId(Id view);
// Register/deregister new connections to the window manager service.
void AddConnection(WindowManagerServiceImpl* connection);
void RemoveConnection(WindowManagerServiceImpl* connection);
// These are canonical implementations of the window manager API methods.
void SetCapture(Id view);
void FocusWindow(Id view);
void ActivateWindow(Id view);
bool IsReady() const;
// A client of this object will use this accessor to gain access to the
// aura::Window hierarchy and attach event handlers.
aura::WindowTreeHost* host() { return window_tree_host_.get(); }
void InitFocus(wm::FocusRules* rules);
// Overridden from ApplicationDelegate:
virtual void Initialize(ApplicationImpl* impl) override;
virtual bool ConfigureIncomingConnection(
ApplicationConnection* connection) override;
private:
typedef std::set<WindowManagerServiceImpl*> Connections;
typedef std::map<Id, aura::Window*> ViewIdToWindowMap;
// Overridden from ViewManagerDelegate:
virtual void OnEmbed(ViewManager* view_manager,
View* root,
ServiceProviderImpl* exported_services,
scoped_ptr<ServiceProvider> imported_services) override;
virtual void OnViewManagerDisconnected(ViewManager* view_manager) override;
// Overridden from WindowManagerDelegate:
virtual void Embed(
const String& url,
InterfaceRequest<ServiceProvider> service_provider) override;
virtual void DispatchEvent(EventPtr event) override;
// Overridden from ViewObserver:
virtual void OnTreeChanged(
const ViewObserver::TreeChangeParams& params) override;
virtual void OnViewDestroyed(View* view) override;
virtual void OnViewBoundsChanged(View* view,
const gfx::Rect& old_bounds,
const gfx::Rect& new_bounds) override;
// Overridden from WindowTreeHostMojoDelegate:
virtual void CompositorContentsChanged(const SkBitmap& bitmap) override;
// Overridden from ui::EventHandler:
virtual void OnEvent(ui::Event* event) override;
// Overridden from aura::client::FocusChangeObserver:
virtual void OnWindowFocused(aura::Window* gained_focus,
aura::Window* lost_focus) override;
// Overridden from aura::client::ActivationChangeObserver:
virtual void OnWindowActivated(aura::Window* gained_active,
aura::Window* lost_active) override;
// Creates an aura::Window for every view in the hierarchy beneath |view|,
// and adds to the registry so that it can be retrieved later via
// GetWindowForViewId().
// TODO(beng): perhaps View should have a property bag.
void RegisterSubtree(View* view, aura::Window* parent);
// Deletes the aura::Windows associated with the hierarchy beneath |id|,
// and removes from the registry.
void UnregisterSubtree(View* view);
InterfaceFactoryImplWithContext<WindowManagerServiceImpl, WindowManagerApp>
window_manager_service_factory_;
ViewManagerDelegate* wrapped_view_manager_delegate_;
WindowManagerDelegate* wrapped_window_manager_delegate_;
ViewManager* view_manager_;
scoped_ptr<ViewManagerClientFactory> view_manager_client_factory_;
View* root_;
scoped_ptr<AuraInit> aura_init_;
scoped_ptr<WindowTreeHostMojo> window_tree_host_;
scoped_ptr<wm::ScopedCaptureClient> capture_client_;
scoped_ptr<aura::client::FocusClient> focus_client_;
aura::client::ActivationClient* activation_client_;
Connections connections_;
ViewIdToWindowMap view_id_to_window_map_;
scoped_ptr<DummyDelegate> dummy_delegate_;
DISALLOW_COPY_AND_ASSIGN(WindowManagerApp);
};
} // namespace mojo
#endif // MOJO_SERVICES_WINDOW_MANAGER_WINDOW_MANAGER_APP_H_
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