libroot/posix/stdio: Remove unused portions.
[haiku.git] / src / apps / cortex / DormantNodeView / DormantNodeView.cpp
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1 /*
2 * Copyright (c) 1999-2000, Eric Moon.
3 * All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions, and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions, and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
27 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 // DormantNodeView.cpp
34 #include "DormantNodeView.h"
35 // DormantNodeView
36 #include "DormantNodeWindow.h"
37 #include "DormantNodeListItem.h"
38 // InfoWindow
39 #include "InfoWindowManager.h"
41 // Interface Kit
42 #include <Deskbar.h>
43 #include <Region.h>
44 #include <Screen.h>
45 #include <ScrollBar.h>
46 // Media Kit
47 #include <MediaRoster.h>
48 // Storage Kit
49 #include <Mime.h>
51 __USE_CORTEX_NAMESPACE
53 #include <Debug.h>
54 #define D_ALLOC(x) //PRINT (x) // ctor/dtor
55 #define D_HOOK(x) //PRINT (x) // BListView impl.
56 #define D_MESSAGE(x) //PRINT (x) // MessageReceived()
57 #define D_INTERNAL(x) //PRINT (x) // internal operations
59 // -------------------------------------------------------- //
60 // ctor/dtor (public)
61 // -------------------------------------------------------- //
63 DormantNodeView::DormantNodeView(
64 BRect frame,
65 const char *name,
66 uint32 resizeMode)
67 : BListView(frame, name, B_SINGLE_SELECTION_LIST, resizeMode),
68 m_lastItemUnder(0) {
69 D_ALLOC(("DormantNodeView::DormantNodeView()\n"));
73 DormantNodeView::~DormantNodeView() {
74 D_ALLOC(("DormantNodeView::~DormantNodeView()\n"));
78 // -------------------------------------------------------- //
79 // BListView impl. (public)
80 // -------------------------------------------------------- //
82 void DormantNodeView::AttachedToWindow() {
83 D_HOOK(("DormantNodeView::AttachedToWindow()\n"));
85 // populate the list
86 _populateList();
88 // Start watching the MediaRoster for flavor changes
89 BMediaRoster *roster = BMediaRoster::CurrentRoster();
90 if (roster) {
91 BMessenger messenger(this, Window());
92 roster->StartWatching(messenger, B_MEDIA_FLAVORS_CHANGED);
96 void DormantNodeView::DetachedFromWindow() {
97 D_HOOK(("DormantNodeView::DetachedFromWindow()\n"));
99 // delete the lists contents
100 _freeList();
102 // Stop watching the MediaRoster for flavor changes
103 BMediaRoster *roster = BMediaRoster::CurrentRoster();
104 if (roster) {
105 BMessenger messenger(this, Window());
106 roster->StopWatching(messenger, B_MEDIA_FLAVORS_CHANGED);
110 void DormantNodeView::GetPreferredSize(
111 float* width,
112 float* height) {
113 D_HOOK(("DormantNodeView::GetPreferredSize()\n"));
115 // calculate the accumulated size of all list items
116 *width = 0;
117 *height = 0;
118 for (int32 i = 0; i < CountItems(); i++) {
119 DormantNodeListItem *item;
120 item = dynamic_cast<DormantNodeListItem *>(ItemAt(i));
121 if (item) {
122 BRect r = item->getRealFrame(be_plain_font);
123 if (r.Width() > *width) {
124 *width = r.Width();
126 *height += r.Height() + 1.0;
131 void DormantNodeView::MessageReceived(
132 BMessage *message) {
133 D_MESSAGE(("DormantNodeView::MessageReceived()\n"));
135 switch (message->what) {
136 case B_MEDIA_FLAVORS_CHANGED: {
137 D_MESSAGE((" -> B_MEDIA_FLAVORS_CHANGED\n"));
139 // init & re-populate the list
140 int32 addOnID = 0;
141 if (message->FindInt32("be:addon_id", &addOnID) != B_OK) {
142 D_MESSAGE((" -> messages doesn't contain 'be:addon_id'!\n"));
143 return;
145 _updateList(addOnID);
146 break;
148 case InfoWindowManager::M_INFO_WINDOW_REQUESTED: {
149 D_MESSAGE((" -> InfoWindowManager::M_INFO_WINDOW_REQUESTED)\n"));
151 DormantNodeListItem *item;
152 item = dynamic_cast<DormantNodeListItem *>(ItemAt(CurrentSelection()));
153 if (item) {
154 InfoWindowManager *manager = InfoWindowManager::Instance();
155 if (manager && manager->Lock()) {
156 manager->openWindowFor(item->info());
157 manager->Unlock();
160 break;
162 default: {
163 _inherited::MessageReceived(message);
168 void DormantNodeView::MouseDown(
169 BPoint point) {
170 D_HOOK(("DormantNodeView::MouseDown()\n"));
172 BMessage* message = Window()->CurrentMessage();
173 int32 buttons = message->FindInt32("buttons");
174 if (buttons == B_SECONDARY_MOUSE_BUTTON) {
175 int32 index;
176 if ((index = IndexOf(point)) >= 0) {
177 DormantNodeListItem *item = dynamic_cast<DormantNodeListItem *>(ItemAt(index));
178 if (item) {
179 Select(index);
180 BRect r = item->getRealFrame(be_plain_font);
181 if (r.Contains(point)) {
182 item->showContextMenu(point, this);
188 _inherited::MouseDown(point);
191 void DormantNodeView::MouseMoved(
192 BPoint point,
193 uint32 transit,
194 const BMessage *message) {
195 D_HOOK(("DormantNodeView::MouseMoved()\n"));
197 int32 index;
198 if (!message && ((index = IndexOf(point)) >= 0)) {
199 DormantNodeListItem *item = dynamic_cast<DormantNodeListItem *>(ItemAt(index));
200 DormantNodeListItem *last = dynamic_cast<DormantNodeListItem *>(m_lastItemUnder);
201 BRect r = item->getRealFrame(be_plain_font);
202 if (item && r.Contains(point)) {
203 if (item != last) {
204 if (last)
205 last->MouseOver(this, point, B_EXITED_VIEW);
206 item->MouseOver(this, point, B_ENTERED_VIEW);
207 m_lastItemUnder = item;
209 else {
210 item->MouseOver(this, point, B_INSIDE_VIEW);
213 else if (last) {
214 last->MouseOver(this, point, B_EXITED_VIEW);
218 _inherited::MouseMoved(point, transit, message);
221 bool DormantNodeView::InitiateDrag(
222 BPoint point,
223 int32 index,
224 bool wasSelected) {
225 D_HOOK(("DormantNodeView::InitiateDrag()\n"));
227 DormantNodeListItem *item = dynamic_cast<DormantNodeListItem *>(ItemAt(CurrentSelection()));
228 if (item) {
229 BMessage dragMsg(M_INSTANTIATE_NODE);
230 dragMsg.AddData("which", B_RAW_TYPE,
231 reinterpret_cast<const void *>(&item->info()),
232 sizeof(item->info()));
233 point -= ItemFrame(index).LeftTop();
234 DragMessage(&dragMsg, item->getDragBitmap(), B_OP_ALPHA, point);
235 return true;
237 return false;
240 // -------------------------------------------------------- //
241 // internal operations (private)
242 // -------------------------------------------------------- //
244 void DormantNodeView::_populateList() {
245 D_INTERNAL(("DormantNodeView::_populateList()\n"));
247 // init the resizable node-info buffer
248 BMediaRoster *roster = BMediaRoster::CurrentRoster();
249 const int32 bufferInc = 64;
250 int32 bufferSize = bufferInc;
251 dormant_node_info *infoBuffer = new dormant_node_info[bufferSize];
252 int32 numNodes;
254 // fill the buffer
255 while (true) {
256 numNodes = bufferSize;
257 status_t error = roster->GetDormantNodes(infoBuffer, &numNodes);
258 if (error) {
259 return;
261 if (numNodes < bufferSize) {
262 break;
265 // reallocate buffer & try again
266 delete [] infoBuffer;
267 bufferSize += bufferInc;
268 infoBuffer = new dormant_node_info[bufferSize];
271 // populate the list
272 for (int32 i = 0; i < numNodes; i++) {
273 DormantNodeListItem *item = new DormantNodeListItem(infoBuffer[i]);
274 AddItem(item);
276 SortItems(compareName);
279 void DormantNodeView::_freeList() {
280 D_HOOK(("DormantNodeView::_freeList()\n"));
282 // remove and delete all items in the list
283 while (CountItems() > 0) {
284 BListItem *item = ItemAt(0);
285 if (RemoveItem(item)) {
286 delete item;
291 void DormantNodeView::_updateList(
292 int32 addOnID) {
293 D_INTERNAL(("DormantNodeView::_updateList(%ld)\n", addOnID));
295 // init the resizable node-info buffer
296 BMediaRoster *roster = BMediaRoster::CurrentRoster();
297 const int32 bufferInc = 64;
298 int32 bufferSize = bufferInc;
299 dormant_node_info *infoBuffer = new dormant_node_info[bufferSize];
300 int32 numNodes;
302 // fill the buffer
303 while (true) {
304 numNodes = bufferSize;
305 status_t error = roster->GetDormantNodes(infoBuffer, &numNodes);
306 if (error) {
307 return;
309 if (numNodes < bufferSize) {
310 break;
313 // reallocate buffer & try again
314 delete [] infoBuffer;
315 bufferSize += bufferInc;
316 infoBuffer = new dormant_node_info[bufferSize];
319 // sort the list by add-on id to avoid multiple searches through
320 // the list
321 SortItems(compareAddOnID);
323 // Remove all nodes managed by this add-on
324 int32 start;
325 for (start = 0; start < CountItems(); start++) {
326 DormantNodeListItem *item = dynamic_cast<DormantNodeListItem *>(ItemAt(start));
327 if (item && (item->info().addon == addOnID)) {
328 break;
331 int32 count = 0;
332 for (int32 i = start; start < CountItems(); i++) {
333 DormantNodeListItem *item = dynamic_cast<DormantNodeListItem *>(ItemAt(i));
334 if (!item || (item->info().addon != addOnID)) {
335 break;
337 count++;
339 RemoveItems(start, count);
341 // add the items
342 for (int32 i = 0; i < numNodes; i++) {
343 if (infoBuffer[i].addon != addOnID) {
344 continue;
346 AddItem(new DormantNodeListItem(infoBuffer[i]));
349 SortItems(compareName);
352 // END -- DormantNodeView.cpp --