* Copyright 2010, Haiku.
* Distributed under the terms of the MIT License.
*
* Authors:
* Clemens Zeidler <haiku@clemens-zeidler.de>
*/
#ifndef DESKTOP_LISTENER_H
#define DESKTOP_LISTENER_H
#include <util/DoublyLinkedList.h>
#include <Point.h>
#include <ServerLink.h>
#include "Window.h"
class BMessage;
class Desktop;
class Window;
class DesktopListener : public DoublyLinkedListLinkImpl<DesktopListener> {
public:
virtual ~DesktopListener();
virtual int32 Identifier() = 0;
virtual void ListenerRegistered(Desktop* desktop) = 0;
virtual void ListenerUnregistered() = 0;
virtual bool HandleMessage(Window* sender,
BPrivate::LinkReceiver& link,
BPrivate::LinkSender& reply) = 0;
virtual void WindowAdded(Window* window) = 0;
virtual void WindowRemoved(Window* window) = 0;
virtual bool KeyPressed(uint32 what, int32 key,
int32 modifiers) = 0;
virtual void MouseEvent(BMessage* message) = 0;
virtual void MouseDown(Window* window, BMessage* message,
const BPoint& where) = 0;
virtual void MouseUp(Window* window, BMessage* message,
const BPoint& where) = 0;
virtual void MouseMoved(Window* window, BMessage* message,
const BPoint& where) = 0;
virtual void WindowMoved(Window* window) = 0;
virtual void WindowResized(Window* window) = 0;
virtual void WindowActivated(Window* window) = 0;
virtual void WindowSentBehind(Window* window,
Window* behindOf) = 0;
virtual void WindowWorkspacesChanged(Window* window,
uint32 workspaces) = 0;
virtual void WindowHidden(Window* window,
bool fromMinimize) = 0;
virtual void WindowMinimized(Window* window,
bool minimize) = 0;
virtual void WindowTabLocationChanged(Window* window,
float location, bool isShifting) = 0;
virtual void SizeLimitsChanged(Window* window,
int32 minWidth, int32 maxWidth,
int32 minHeight, int32 maxHeight) = 0;
virtual void WindowLookChanged(Window* window,
window_look look) = 0;
virtual void WindowFeelChanged(Window* window,
window_feel feel) = 0;
virtual bool SetDecoratorSettings(Window* window,
const BMessage& settings) = 0;
virtual void GetDecoratorSettings(Window* window,
BMessage& settings) = 0;
};
typedef DoublyLinkedList<DesktopListener> DesktopListenerDLList;
class DesktopObservable {
public:
DesktopObservable();
void RegisterListener(DesktopListener* listener,
Desktop* desktop);
void UnregisterListener(DesktopListener* listener);
const DesktopListenerDLList& GetDesktopListenerList();
bool MessageForListener(Window* sender,
BPrivate::LinkReceiver& link,
BPrivate::LinkSender& reply);
void NotifyWindowAdded(Window* window);
void NotifyWindowRemoved(Window* window);
bool NotifyKeyPressed(uint32 what, int32 key,
int32 modifiers);
void NotifyMouseEvent(BMessage* message);
void NotifyMouseDown(Window* window,
BMessage* message, const BPoint& where);
void NotifyMouseUp(Window* window, BMessage* message,
const BPoint& where);
void NotifyMouseMoved(Window* window,
BMessage* message, const BPoint& where);
void NotifyWindowMoved(Window* window);
void NotifyWindowResized(Window* window);
void NotifyWindowActivated(Window* window);
void NotifyWindowSentBehind(Window* window,
Window* behindOf);
void NotifyWindowWorkspacesChanged(Window* window,
uint32 workspaces);
void NotifyWindowHidden(Window* window,
bool fromMinimize);
void NotifyWindowMinimized(Window* window,
bool minimize);
void NotifyWindowTabLocationChanged(Window* window,
float location, bool isShifting);
void NotifySizeLimitsChanged(Window* window,
int32 minWidth, int32 maxWidth,
int32 minHeight, int32 maxHeight);
void NotifyWindowLookChanged(Window* window,
window_look look);
void NotifyWindowFeelChanged(Window* window,
window_feel feel);
bool SetDecoratorSettings(Window* window,
const BMessage& settings);
void GetDecoratorSettings(Window* window,
BMessage& settings);
private:
class InvokeGuard {
public:
InvokeGuard(bool& invoking);
~InvokeGuard();
private:
bool& fInvoking;
};
DesktopListenerDLList fDesktopListenerList;
bool fWeAreInvoking;
};
#endif
