summaryrefslogtreecommitdiff
path: root/indra/newview/llscreenchannel.h
blob: e5f4807ab7ca5131599d47da28a3a4cce2e51a7f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
/** 
 * @file llscreenchannel.h
 * @brief Class implements a channel on a screen in which appropriate toasts may appear.
 *
 * $LicenseInfo:firstyear=2003&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#ifndef LL_LLSCREENCHANNEL_H
#define LL_LLSCREENCHANNEL_H

#include "lltoast.h"

#include <map>
#include <boost/shared_ptr.hpp>

namespace LLNotificationsUI
{

typedef enum e_notification_toast_alignment
{
	NA_TOP, 
	NA_CENTRE,
	NA_BOTTOM,
} EToastAlignment;

typedef enum e_channel_alignment
{
	CA_LEFT, 
	CA_CENTRE,
	CA_RIGHT,
} EChannelAlignment;

class LLScreenChannelBase : public LLUICtrl
{
	friend class LLChannelManager;
public:
	struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
	{
		Mandatory<LLUUID>			id;
		Optional<bool>				display_toasts_always;
		Optional<EToastAlignment>	toast_align;
		Optional<EChannelAlignment>	channel_align;

		Params()
		:	id("id", LLUUID("")), 
			display_toasts_always("display_toasts_always", false), 
			toast_align("toast_align", NA_BOTTOM), 
			channel_align("channel_align", CA_LEFT)
		{}
	};

	LLScreenChannelBase(const Params&);
	
	BOOL postBuild();

	void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);

	// Channel's outfit-functions
	// update channel's size and position in the World View
	virtual void		updatePositionAndSize(LLRect rect);

	// initialization of channel's shape and position
	virtual void		init(S32 channel_left, S32 channel_right);

	// kill or modify a toast by its ID
	virtual void		killToastByNotificationID(LLUUID id) {};
	virtual void		modifyToastNotificationByID(LLUUID id, LLSD data) {};
	virtual void		removeToastByNotificationID(LLUUID id){};
	
	// hide all toasts from screen, but not remove them from a channel
	virtual void		hideToastsFromScreen() {};
	// removes all toasts from a channel
	virtual void		removeToastsFromChannel() {};
	
	// show all toasts in a channel
	virtual void		redrawToasts() {};

	
	// Channel's behavior-functions
	// set whether a channel will control hovering inside itself or not
	virtual void setControlHovering(bool control) { mControlHovering = control; }
	

	bool isHovering();

	void setCanStoreToasts(bool store) { mCanStoreToasts = store; }

	bool getDisplayToastsAlways() { return mDisplayToastsAlways; }

	// get number of hidden notifications from a channel
	S32	 getNumberOfHiddenToasts() { return mHiddenToastsNum;}

	
	void setShowToasts(bool show) { mShowToasts = show; }
	bool getShowToasts() { return mShowToasts; }

	// get toast allignment preset for a channel
	e_notification_toast_alignment getToastAlignment() {return mToastAlignment;}
	
	// get ID of a channel
	LLUUID	getChannelID() { return mID; }
	LLHandle<LLScreenChannelBase> getHandle() { return getDerivedHandle<LLScreenChannelBase>(); }

protected:
	void	updateRect();
	LLRect	getChannelRect();

	// Channel's flags
	bool		mControlHovering;
	LLToast*	mHoveredToast;
	bool		mCanStoreToasts;
	bool		mDisplayToastsAlways;
	// controls whether a channel shows toasts or not
	bool		mShowToasts;
	// 
	EToastAlignment		mToastAlignment;
	EChannelAlignment	mChannelAlignment;

	S32			mHiddenToastsNum;

	// channel's ID
	LLUUID	mID;
	
	LLView*	mFloaterSnapRegion;
	LLView* mChicletRegion;
};


/**
 * Screen channel manages toasts visibility and positioning on the screen.
 */
class LLScreenChannel : public LLScreenChannelBase
{
	friend class LLChannelManager;
public:
	LLScreenChannel(const Params&);
	virtual ~LLScreenChannel();

	class Matcher
	{
	public:
		Matcher(){}
		virtual ~Matcher() {}
		virtual bool matches(const LLNotificationPtr) const = 0;
	};

	std::list<const LLToast*> findToasts(const Matcher& matcher);

	// Channel's outfit-functions
	// update channel's size and position in the World View
	void		updatePositionAndSize(LLRect new_rect);
	// initialization of channel's shape and position
	void		init(S32 channel_left, S32 channel_right);
	
	// Operating with toasts
	// add a toast to a channel
	void		addToast(const LLToast::Params& p);
	// kill or modify a toast by its ID
	void		killToastByNotificationID(LLUUID id);
	void		removeToastByNotificationID(LLUUID id);
	void		killMatchedToasts(const Matcher& matcher);
	void		modifyToastByNotificationID(LLUUID id, LLPanel* panel);
	// hide all toasts from screen, but not remove them from a channel
	void		hideToastsFromScreen();
	// hide toast by notification id
	void		hideToast(const LLUUID& notification_id);

	/**
	 * Closes hidden matched toasts from channel.
	 */
	void closeHiddenToasts(const Matcher& matcher);

	// removes all toasts from a channel
	void		removeToastsFromChannel();
	// show all toasts in a channel
	void		redrawToasts();
	//
	void		loadStoredToastsToChannel();
	// finds a toast among stored by its Notification ID and throws it on a screen to a channel
	void		loadStoredToastByNotificationIDToChannel(LLUUID id);
	// removes from channel all toasts that belongs to the certain IM session 
	void		removeToastsBySessionID(LLUUID id);
	// remove all storable toasts from screen and store them
	void		removeAndStoreAllStorableToasts();
	// close the StartUp Toast
	void		closeStartUpToast();


	/** Stop fading given toast */
	virtual void stopToastTimer(LLToast* toast);

	/** Start fading given toast */
	virtual void startToastTimer(LLToast* toast);

	// get StartUp Toast's state
	static bool	getStartUpToastShown() { return mWasStartUpToastShown; }
	// tell all channels that the StartUp toast was shown and allow them showing of toasts
	static void	setStartUpToastShown() { mWasStartUpToastShown = true; }
	// let a channel update its ShowToast flag
	void updateShowToastsState();


	// Channel's other interface functions functions
	// update number of notifications in the StartUp Toast
	void	updateStartUpString(S32 num);

	LLToast* getToastByNotificationID(LLUUID id);

	// Channel's signals
	// signal on storing of faded toasts event
	typedef boost::signals2::signal<void (LLPanel* info_panel, const LLUUID id)> store_toast_signal_t;
	boost::signals2::connection addOnStoreToastCallback(store_toast_signal_t::slot_type cb) { return mOnStoreToast.connect(cb); }

private:
	store_toast_signal_t mOnStoreToast;	

	class ToastElem
	{
	public:
		ToastElem(const LLHandle<LLToast>& toast) : mToast(toast)
		{
		}

		ToastElem(const ToastElem& toast_elem) : mToast(toast_elem.mToast)
		{
		}

		LLToast* getToast() const
		{
			return mToast.get();
		}

		LLUUID getID() const
		{
			return mToast.isDead() ? LLUUID() : mToast.get()->getNotificationID();
		}

		bool operator == (const LLUUID &id_op) const
		{
			return (getID() == id_op);
		}

		bool operator == (LLPanel* panel_op) const
		{
			return (mToast.get() == panel_op);
		}

	private:
		LLHandle<LLToast>	mToast;
	};

	// Channel's handlers
	void	onToastHover(LLToast* toast, bool mouse_enter);
	void	onToastFade(LLToast* toast);
	void	onToastDestroyed(LLToast* toast);
	void	onStartUpToastHide();

	//
	void	storeToast(ToastElem& toast_elem);
	// send signal to observers about destroying of a toast, update channel's Hovering state, close the toast
	void	deleteToast(LLToast* toast);
	
	// show-functions depending on allignment of toasts
	void	showToastsBottom();
	void	showToastsCentre();
	void	showToastsTop();
	
	// create the StartUp Toast
	void	createStartUpToast(S32 notif_num, F32 timer);

	/**
	 * Notification channel and World View ratio(0.0 - always show 1 notification, 1.0 - max ratio).
	 */
	static F32 getHeightRatio();

	// Channel's flags
	static bool	mWasStartUpToastShown;

	// attributes for the StartUp Toast	
	LLToast* mStartUpToastPanel;


	std::vector<ToastElem>		mToastList;
	std::vector<ToastElem>		mStoredToastList;
};

}
#endif