xref: /haiku/src/preferences/bluetooth/InquiryPanel.cpp (revision 95c9effd68127df2dce202d5e254a7c86560010a)
1 /*
2  * Copyright 2008-09, Oliver Ruiz Dorantes, <oliver.ruiz.dorantes_at_gmail.com>
3  * All rights reserved. Distributed under the terms of the MIT License.
4  */
5 
6 #include <Alert.h>
7 #include <Button.h>
8 #include <Catalog.h>
9 #include <LayoutBuilder.h>
10 #include <ListView.h>
11 #include <ListItem.h>
12 #include <MessageRunner.h>
13 #include <ScrollView.h>
14 #include <StatusBar.h>
15 #include <SpaceLayoutItem.h>
16 #include <TextView.h>
17 #include <TabView.h>
18 
19 #include <bluetooth/bdaddrUtils.h>
20 #include <bluetooth/DiscoveryAgent.h>
21 #include <bluetooth/DiscoveryListener.h>
22 #include <bluetooth/LocalDevice.h>
23 
24 #include "defs.h"
25 #include "DeviceListItem.h"
26 #include "InquiryPanel.h"
27 
28 
29 #undef B_TRANSLATION_CONTEXT
30 #define B_TRANSLATION_CONTEXT "Inquiry panel"
31 
32 using Bluetooth::DeviceListItem;
33 
34 // private funcionaility provided by kit
35 extern uint8 GetInquiryTime();
36 
37 static const uint32 kMsgStart = 'InSt';
38 static const uint32 kMsgFinish = 'InFn';
39 static const uint32 kMsgShowDebug = 'ShDG';
40 
41 static const uint32 kMsgInquiry = 'iQbt';
42 static const uint32 kMsgAddListDevice = 'aDdv';
43 
44 static const uint32 kMsgSelected = 'isLt';
45 static const uint32 kMsgSecond = 'sCMs';
46 static const uint32 kMsgRetrieve = 'IrEt';
47 
48 
49 class PanelDiscoveryListener : public DiscoveryListener {
50 
51 public:
52 
53 	PanelDiscoveryListener(InquiryPanel* iPanel)
54 		:
55 		DiscoveryListener(),
56 		fInquiryPanel(iPanel)
57 	{
58 
59 	}
60 
61 
62 	void
63 	DeviceDiscovered(RemoteDevice* btDevice, DeviceClass cod)
64 	{
65 		BMessage* message = new BMessage(kMsgAddListDevice);
66 
67 		message->AddPointer("remoteItem", new DeviceListItem(btDevice));
68 
69 		fInquiryPanel->PostMessage(message);
70 	}
71 
72 
73 	void
74 	InquiryCompleted(int discType)
75 	{
76 		BMessage* message = new BMessage(kMsgFinish);
77 		fInquiryPanel->PostMessage(message);
78 	}
79 
80 
81 	void
82 	InquiryStarted(status_t status)
83 	{
84 		BMessage* message = new BMessage(kMsgStart);
85 		fInquiryPanel->PostMessage(message);
86 	}
87 
88 private:
89 	InquiryPanel*	fInquiryPanel;
90 
91 };
92 
93 
94 InquiryPanel::InquiryPanel(BRect frame, LocalDevice* lDevice)
95 	:
96 	BWindow(frame, B_TRANSLATE_SYSTEM_NAME("Bluetooth"), B_FLOATING_WINDOW,
97 	B_NOT_ZOOMABLE | B_AUTO_UPDATE_SIZE_LIMITS,	B_ALL_WORKSPACES ),
98 	fMessenger(this),
99  	fScanning(false),
100  	fRetrieving(false),
101 	fLocalDevice(lDevice)
102 
103 {
104 	fScanProgress = new BStatusBar("status",
105 		B_TRANSLATE("Scanning progress"), "");
106 	activeColor = fScanProgress->BarColor();
107 
108 	if (fLocalDevice == NULL)
109 		fLocalDevice = LocalDevice::GetLocalDevice();
110 
111 	fMessage = new BTextView("description", B_WILL_DRAW);
112 	fMessage->SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
113 	fMessage->SetLowColor(fMessage->ViewColor());
114 	fMessage->MakeEditable(false);
115 	fMessage->MakeSelectable(false);
116 
117 	fInquiryButton = new BButton("Inquiry", B_TRANSLATE("Inquiry"),
118 		new BMessage(kMsgInquiry), B_WILL_DRAW);
119 
120 	fAddButton = new BButton("add", B_TRANSLATE("Add device to list"),
121 		new BMessage(kMsgAddToRemoteList), B_WILL_DRAW);
122 	fAddButton->SetEnabled(false);
123 
124 	fRemoteList = new BListView("AttributeList", B_SINGLE_SELECTION_LIST);
125 	fRemoteList->SetSelectionMessage(new BMessage(kMsgSelected));
126 
127 	fScrollView = new BScrollView("ScrollView", fRemoteList, 0, false, true);
128 	fScrollView->SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
129 
130 	if (fLocalDevice != NULL) {
131 		fMessage->SetText(B_TRANSLATE(
132 			"Check that the Bluetooth capabilities of your"
133 			" remote device are activated. Press 'Inquiry' to start scanning."
134 			" The needed time for the retrieval of the names is unknown, "
135 			"although should not take more than 3 seconds per device. "
136 			"Afterwards you will be able to add them to your main list,"
137 			" where you will be able to pair with them."));
138 		fInquiryButton->SetEnabled(true);
139 		fDiscoveryAgent = fLocalDevice->GetDiscoveryAgent();
140 		fDiscoveryListener = new PanelDiscoveryListener(this);
141 
142 		SetTitle((const char*)(fLocalDevice->GetFriendlyName().String()));
143 	} else {
144 		fMessage->SetText(B_TRANSLATE("There isn't any Bluetooth LocalDevice "
145 			"registered on the system."));
146 		fInquiryButton->SetEnabled(false);
147 	}
148 
149 	fRetrieveMessage = new BMessage(kMsgRetrieve);
150 	fSecondsMessage = new BMessage(kMsgSecond);
151 
152 	BLayoutBuilder::Group<>(this, B_VERTICAL, 10)
153 		.SetInsets(15)
154 		.Add(fMessage)
155 		.Add(fScanProgress, 10)
156 		.Add(fScrollView)
157 		.AddGroup(B_HORIZONTAL, 10)
158 			.Add(fAddButton)
159 			.AddGlue()
160 			.Add(fInquiryButton)
161 		.End()
162 	.End();
163 }
164 
165 
166 void
167 InquiryPanel::MessageReceived(BMessage* message)
168 {
169 	static float timer = 0; // expected time of the inquiry process
170 	static float scanningTime = 0;
171 	static int32 retrievalIndex = 0;
172 	static bool labelPlaced = false;
173 
174 	switch (message->what) {
175 		case kMsgInquiry:
176 
177 			fDiscoveryAgent->StartInquiry(BT_GIAC, fDiscoveryListener, GetInquiryTime());
178 
179 			timer = BT_BASE_INQUIRY_TIME * GetInquiryTime() + 1;
180 			// does it works as expected?
181 			fScanProgress->SetMaxValue(timer);
182 
183 		break;
184 
185 		case kMsgAddListDevice:
186 		{
187 			DeviceListItem* listItem;
188 
189 			message->FindPointer("remoteItem", (void **)&listItem);
190 
191 			fRemoteList->AddItem(listItem);
192 		}
193 		break;
194 
195 		case kMsgAddToRemoteList:
196 		{
197 			message->PrintToStream();
198 			int32 index = fRemoteList->CurrentSelection(0);
199 			DeviceListItem* item = (DeviceListItem*) fRemoteList->RemoveItem(index);;
200 
201 			BMessage message(kMsgAddToRemoteList);
202 			message.AddPointer("device", item);
203 
204 			be_app->PostMessage(&message);
205 			// TODO: all others listitems can be deleted
206 		}
207 		break;
208 
209 		case kMsgSelected:
210 			UpdateListStatus();
211 		break;
212 
213 		case kMsgStart:
214 			fRemoteList->MakeEmpty();
215 			fScanProgress->Reset();
216 			fScanProgress->SetTo(1);
217 			fScanProgress->SetTrailingText(B_TRANSLATE("Starting scan..."));
218 			fScanProgress->SetBarColor(activeColor);
219 
220 			fAddButton->SetEnabled(false);
221 			fInquiryButton->SetEnabled(false);
222 
223 			BMessageRunner::StartSending(fMessenger, fSecondsMessage, 1000000, timer);
224 
225 			scanningTime = 1;
226 			fScanning = true;
227 
228 		break;
229 
230 		case kMsgFinish:
231 
232 			retrievalIndex = 0;
233 			fScanning = false;
234 			fRetrieving = true;
235 			labelPlaced = false;
236 			fScanProgress->SetTo(100);
237 			fScanProgress->SetTrailingText(B_TRANSLATE("Retrieving names..."));
238 			BMessageRunner::StartSending(fMessenger, fRetrieveMessage, 1000000, 1);
239 
240 		break;
241 
242 		case kMsgSecond:
243 			if (fScanning && scanningTime < timer) {
244 				// TODO time formatting could use Locale Kit
245 
246 				// TODO should not be needed if SetMaxValue works...
247 				fScanProgress->SetTo(scanningTime * 100 / timer);
248 				BString elapsedTime = B_TRANSLATE("Remaining %1 seconds");
249 
250 				BString seconds("");
251 				seconds << (int)(timer - scanningTime);
252 
253 				elapsedTime.ReplaceFirst("%1", seconds.String());
254 				fScanProgress->SetTrailingText(elapsedTime.String());
255 
256 				scanningTime = scanningTime + 1;
257 			}
258 		break;
259 
260 		case kMsgRetrieve:
261 
262 			if (fRetrieving) {
263 
264 				if (retrievalIndex < fDiscoveryAgent->RetrieveDevices(0).CountItems()) {
265 
266 					if (!labelPlaced) {
267 
268 						labelPlaced = true;
269 						BString progressText(B_TRANSLATE("Retrieving name of %1"));
270 
271 						BString namestr;
272 						namestr << bdaddrUtils::ToString(fDiscoveryAgent
273 							->RetrieveDevices(0).ItemAt(retrievalIndex)
274 							->GetBluetoothAddress());
275 						progressText.ReplaceFirst("%1", namestr.String());
276 						fScanProgress->SetTrailingText(progressText.String());
277 
278 					} else {
279 						// Really erally expensive operation should be done in a separate thread
280 						// once Haiku gets a BarberPole in API replacing the progress bar
281 						((DeviceListItem*)fRemoteList->ItemAt(retrievalIndex))
282 							->SetDevice((BluetoothDevice*) fDiscoveryAgent
283 							->RetrieveDevices(0).ItemAt(retrievalIndex));
284         				fRemoteList->InvalidateItem(retrievalIndex);
285 
286         				retrievalIndex++;
287         				labelPlaced = false;
288 					}
289 
290 					BMessageRunner::StartSending(fMessenger, fRetrieveMessage, 500000, 1);
291 
292 				} else {
293 
294 					fRetrieving = false;
295 					retrievalIndex = 0;
296 
297 					fScanProgress->SetBarColor(
298 						ui_color(B_PANEL_BACKGROUND_COLOR));
299 					fScanProgress->SetTrailingText(
300 						B_TRANSLATE("Scanning completed."));
301 					fInquiryButton->SetEnabled(true);
302 					UpdateListStatus();
303 				}
304 			}
305 
306 		break;
307 
308 		default:
309 			BWindow::MessageReceived(message);
310 			break;
311 	}
312 }
313 
314 
315 void
316 InquiryPanel::UpdateListStatus(void)
317 {
318 	if (fRemoteList->CurrentSelection() < 0 || fScanning || fRetrieving)
319 		fAddButton->SetEnabled(false);
320 	else
321 		fAddButton->SetEnabled(true);
322 }
323 
324 
325 bool
326 InquiryPanel::QuitRequested(void)
327 {
328 
329 	return true;
330 }
331