epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2006 The Android Open Source Project |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
| 8 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 9 | |
| 10 | #include "SkEvent.h" |
| 11 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 12 | void SkEvent::initialize(const char* type, size_t typeLen, |
| 13 | SkEventSinkID targetID) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 14 | fType = NULL; |
| 15 | setType(type, typeLen); |
| 16 | f32 = 0; |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 17 | fTargetID = targetID; |
| 18 | fTargetProc = NULL; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 19 | #ifdef SK_DEBUG |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 20 | fTime = 0; |
| 21 | fNextEvent = NULL; |
| 22 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 23 | } |
| 24 | |
| 25 | SkEvent::SkEvent() |
| 26 | { |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 27 | initialize("", 0, 0); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 28 | } |
| 29 | |
| 30 | SkEvent::SkEvent(const SkEvent& src) |
| 31 | { |
| 32 | *this = src; |
| 33 | if (((size_t) fType & 1) == 0) |
| 34 | setType(src.fType); |
| 35 | } |
| 36 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 37 | SkEvent::SkEvent(const SkString& type, SkEventSinkID targetID) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 38 | { |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 39 | initialize(type.c_str(), type.size(), targetID); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 40 | } |
| 41 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 42 | SkEvent::SkEvent(const char type[], SkEventSinkID targetID) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 43 | { |
| 44 | SkASSERT(type); |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 45 | initialize(type, strlen(type), targetID); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 46 | } |
| 47 | |
| 48 | SkEvent::~SkEvent() |
| 49 | { |
| 50 | if (((size_t) fType & 1) == 0) |
| 51 | sk_free((void*) fType); |
| 52 | } |
| 53 | |
| 54 | static size_t makeCharArray(char* buffer, size_t compact) |
| 55 | { |
| 56 | size_t bits = (size_t) compact >> 1; |
| 57 | memcpy(buffer, &bits, sizeof(compact)); |
| 58 | buffer[sizeof(compact)] = 0; |
| 59 | return strlen(buffer); |
| 60 | } |
| 61 | |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 62 | void SkEvent::getType(SkString* str) const |
| 63 | { |
| 64 | if (str) |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 65 | { |
| 66 | if ((size_t) fType & 1) // not a pointer |
| 67 | { |
| 68 | char chars[sizeof(size_t) + 1]; |
| 69 | size_t len = makeCharArray(chars, (size_t) fType); |
| 70 | str->set(chars, len); |
| 71 | } |
| 72 | else |
| 73 | str->set(fType); |
| 74 | } |
| 75 | } |
| 76 | |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 77 | bool SkEvent::isType(const SkString& str) const |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 78 | { |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 79 | return this->isType(str.c_str(), str.size()); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 80 | } |
| 81 | |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 82 | bool SkEvent::isType(const char type[], size_t typeLen) const |
| 83 | { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 84 | if (typeLen == 0) |
| 85 | typeLen = strlen(type); |
| 86 | if ((size_t) fType & 1) { // not a pointer |
| 87 | char chars[sizeof(size_t) + 1]; |
| 88 | size_t len = makeCharArray(chars, (size_t) fType); |
| 89 | return len == typeLen && strncmp(chars, type, typeLen) == 0; |
| 90 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 91 | return strncmp(fType, type, typeLen) == 0 && fType[typeLen] == 0; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 92 | } |
| 93 | |
| 94 | void SkEvent::setType(const char type[], size_t typeLen) |
| 95 | { |
| 96 | if (typeLen == 0) |
| 97 | typeLen = strlen(type); |
| 98 | if (typeLen <= sizeof(fType)) { |
| 99 | size_t slot = 0; |
| 100 | memcpy(&slot, type, typeLen); |
| 101 | if (slot << 1 >> 1 != slot) |
| 102 | goto useCharStar; |
| 103 | slot <<= 1; |
| 104 | slot |= 1; |
| 105 | fType = (char*) slot; |
| 106 | } else { |
| 107 | useCharStar: |
| 108 | fType = (char*) sk_malloc_throw(typeLen + 1); |
| 109 | SkASSERT(((size_t) fType & 1) == 0); |
| 110 | memcpy(fType, type, typeLen); |
| 111 | fType[typeLen] = 0; |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | void SkEvent::setType(const SkString& type) |
| 116 | { |
| 117 | setType(type.c_str()); |
| 118 | } |
| 119 | |
| 120 | //////////////////////////////////////////////////////////////////////////// |
| 121 | |
| 122 | #include "SkParse.h" |
| 123 | |
| 124 | void SkEvent::inflate(const SkDOM& dom, const SkDOM::Node* node) |
| 125 | { |
| 126 | const char* name = dom.findAttr(node, "type"); |
| 127 | if (name) |
| 128 | this->setType(name); |
| 129 | |
| 130 | const char* value; |
| 131 | if ((value = dom.findAttr(node, "fast32")) != NULL) |
| 132 | { |
| 133 | int32_t n; |
| 134 | if (SkParse::FindS32(value, &n)) |
| 135 | this->setFast32(n); |
| 136 | } |
| 137 | |
| 138 | for (node = dom.getFirstChild(node); node; node = dom.getNextSibling(node)) |
| 139 | { |
| 140 | if (strcmp(dom.getName(node), "data")) |
| 141 | { |
| 142 | SkDEBUGCODE(SkDebugf("SkEvent::inflate unrecognized subelement <%s>\n", dom.getName(node));) |
| 143 | continue; |
| 144 | } |
| 145 | |
| 146 | name = dom.findAttr(node, "name"); |
| 147 | if (name == NULL) |
| 148 | { |
| 149 | SkDEBUGCODE(SkDebugf("SkEvent::inflate missing required \"name\" attribute in <data> subelement\n");) |
| 150 | continue; |
| 151 | } |
| 152 | |
| 153 | if ((value = dom.findAttr(node, "s32")) != NULL) |
| 154 | { |
| 155 | int32_t n; |
| 156 | if (SkParse::FindS32(value, &n)) |
| 157 | this->setS32(name, n); |
| 158 | } |
| 159 | else if ((value = dom.findAttr(node, "scalar")) != NULL) |
| 160 | { |
| 161 | SkScalar x; |
| 162 | if (SkParse::FindScalar(value, &x)) |
| 163 | this->setScalar(name, x); |
| 164 | } |
| 165 | else if ((value = dom.findAttr(node, "string")) != NULL) |
| 166 | this->setString(name, value); |
| 167 | #ifdef SK_DEBUG |
| 168 | else |
| 169 | { |
| 170 | SkDebugf("SkEvent::inflate <data name=\"%s\"> subelement missing required type attribute [S32 | scalar | string]\n", name); |
| 171 | } |
| 172 | #endif |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | #ifdef SK_DEBUG |
| 177 | |
| 178 | #ifndef SkScalarToFloat |
| 179 | #define SkScalarToFloat(x) ((x) / 65536.f) |
| 180 | #endif |
| 181 | |
| 182 | void SkEvent::dump(const char title[]) |
| 183 | { |
| 184 | if (title) |
| 185 | SkDebugf("%s ", title); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 186 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 187 | SkString etype; |
| 188 | this->getType(&etype); |
| 189 | SkDebugf("event<%s> fast32=%d", etype.c_str(), this->getFast32()); |
| 190 | |
| 191 | const SkMetaData& md = this->getMetaData(); |
| 192 | SkMetaData::Iter iter(md); |
| 193 | SkMetaData::Type mtype; |
| 194 | int count; |
| 195 | const char* name; |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 196 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 197 | while ((name = iter.next(&mtype, &count)) != NULL) |
| 198 | { |
| 199 | SkASSERT(count > 0); |
| 200 | |
| 201 | SkDebugf(" <%s>=", name); |
| 202 | switch (mtype) { |
| 203 | case SkMetaData::kS32_Type: // vector version??? |
| 204 | { |
| 205 | int32_t value; |
| 206 | md.findS32(name, &value); |
| 207 | SkDebugf("%d ", value); |
| 208 | } |
| 209 | break; |
| 210 | case SkMetaData::kScalar_Type: |
| 211 | { |
| 212 | const SkScalar* values = md.findScalars(name, &count, NULL); |
| 213 | SkDebugf("%f", SkScalarToFloat(values[0])); |
| 214 | for (int i = 1; i < count; i++) |
| 215 | SkDebugf(", %f", SkScalarToFloat(values[i])); |
| 216 | SkDebugf(" "); |
| 217 | } |
| 218 | break; |
| 219 | case SkMetaData::kString_Type: |
| 220 | { |
| 221 | const char* value = md.findString(name); |
| 222 | SkASSERT(value); |
| 223 | SkDebugf("<%s> ", value); |
| 224 | } |
| 225 | break; |
| 226 | case SkMetaData::kPtr_Type: // vector version??? |
| 227 | { |
| 228 | void* value; |
| 229 | md.findPtr(name, &value); |
| 230 | SkDebugf("%p ", value); |
| 231 | } |
| 232 | break; |
| 233 | case SkMetaData::kBool_Type: // vector version??? |
| 234 | { |
| 235 | bool value; |
| 236 | md.findBool(name, &value); |
| 237 | SkDebugf("%s ", value ? "true" : "false"); |
| 238 | } |
| 239 | break; |
| 240 | default: |
tomhudson@google.com | 0c00f21 | 2011-12-28 14:59:50 +0000 | [diff] [blame] | 241 | SkDEBUGFAIL("unknown metadata type returned from iterator"); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 242 | break; |
| 243 | } |
| 244 | } |
| 245 | SkDebugf("\n"); |
| 246 | } |
| 247 | #endif |
| 248 | |
| 249 | /////////////////////////////////////////////////////////////////////////////////////// |
| 250 | |
| 251 | #ifdef SK_DEBUG |
| 252 | // #define SK_TRACE_EVENTSx |
| 253 | #endif |
| 254 | |
| 255 | #ifdef SK_TRACE_EVENTS |
| 256 | static void event_log(const char s[]) |
| 257 | { |
| 258 | SkDEBUGF(("%s\n", s)); |
| 259 | } |
| 260 | |
| 261 | #define EVENT_LOG(s) event_log(s) |
| 262 | #define EVENT_LOGN(s, n) do { SkString str(s); str.append(" "); str.appendS32(n); event_log(str.c_str()); } while (0) |
| 263 | #else |
| 264 | #define EVENT_LOG(s) |
| 265 | #define EVENT_LOGN(s, n) |
| 266 | #endif |
| 267 | |
commit-bot@chromium.org | 86b0de4 | 2014-05-28 20:02:17 +0000 | [diff] [blame] | 268 | #include "SkThread.h" |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 269 | #include "SkTime.h" |
| 270 | |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 271 | class SkEvent_Globals { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 272 | public: |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 273 | SkEvent_Globals() { |
| 274 | fEventQHead = NULL; |
| 275 | fEventQTail = NULL; |
| 276 | fDelayQHead = NULL; |
| 277 | SkDEBUGCODE(fEventCounter = 0;) |
| 278 | } |
| 279 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 280 | SkMutex fEventMutex; |
| 281 | SkEvent* fEventQHead, *fEventQTail; |
| 282 | SkEvent* fDelayQHead; |
| 283 | SkDEBUGCODE(int fEventCounter;) |
| 284 | }; |
| 285 | |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 286 | static SkEvent_Globals& getGlobals() { |
| 287 | // leak this, so we don't incure any shutdown perf hit |
| 288 | static SkEvent_Globals* gGlobals = new SkEvent_Globals; |
| 289 | return *gGlobals; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 290 | } |
| 291 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 292 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 293 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 294 | void SkEvent::postDelay(SkMSec delay) { |
| 295 | if (!fTargetID && !fTargetProc) { |
reed@google.com | c514dde | 2011-08-03 19:41:24 +0000 | [diff] [blame] | 296 | delete this; |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 297 | return; |
| 298 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 299 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 300 | if (delay) { |
| 301 | this->postTime(SkTime::GetMSecs() + delay); |
| 302 | return; |
| 303 | } |
| 304 | |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 305 | SkEvent_Globals& globals = getGlobals(); |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 306 | |
| 307 | globals.fEventMutex.acquire(); |
| 308 | bool wasEmpty = SkEvent::Enqueue(this); |
| 309 | globals.fEventMutex.release(); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 310 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 311 | // call outside of us holding the mutex |
| 312 | if (wasEmpty) { |
| 313 | SkEvent::SignalNonEmptyQueue(); |
reed@google.com | c514dde | 2011-08-03 19:41:24 +0000 | [diff] [blame] | 314 | } |
| 315 | } |
| 316 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 317 | void SkEvent::postTime(SkMSec time) { |
| 318 | if (!fTargetID && !fTargetProc) { |
| 319 | delete this; |
| 320 | return; |
| 321 | } |
| 322 | |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 323 | SkEvent_Globals& globals = getGlobals(); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 324 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 325 | globals.fEventMutex.acquire(); |
| 326 | SkMSec queueDelay = SkEvent::EnqueueTime(this, time); |
| 327 | globals.fEventMutex.release(); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 328 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 329 | // call outside of us holding the mutex |
| 330 | if ((int32_t)queueDelay != ~0) { |
| 331 | SkEvent::SignalQueueTimer(queueDelay); |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | bool SkEvent::Enqueue(SkEvent* evt) { |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 336 | SkEvent_Globals& globals = getGlobals(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 337 | // gEventMutex acquired by caller |
| 338 | |
| 339 | SkASSERT(evt); |
| 340 | |
| 341 | bool wasEmpty = globals.fEventQHead == NULL; |
| 342 | |
| 343 | if (globals.fEventQTail) |
| 344 | globals.fEventQTail->fNextEvent = evt; |
| 345 | globals.fEventQTail = evt; |
| 346 | if (globals.fEventQHead == NULL) |
| 347 | globals.fEventQHead = evt; |
| 348 | evt->fNextEvent = NULL; |
| 349 | |
| 350 | SkDEBUGCODE(++globals.fEventCounter); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 351 | |
| 352 | return wasEmpty; |
| 353 | } |
| 354 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 355 | SkEvent* SkEvent::Dequeue() { |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 356 | SkEvent_Globals& globals = getGlobals(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 357 | globals.fEventMutex.acquire(); |
| 358 | |
| 359 | SkEvent* evt = globals.fEventQHead; |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 360 | if (evt) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 361 | SkDEBUGCODE(--globals.fEventCounter); |
| 362 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 363 | globals.fEventQHead = evt->fNextEvent; |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 364 | if (globals.fEventQHead == NULL) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 365 | globals.fEventQTail = NULL; |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 366 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 367 | } |
| 368 | globals.fEventMutex.release(); |
| 369 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 370 | return evt; |
| 371 | } |
| 372 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 373 | bool SkEvent::QHasEvents() { |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 374 | SkEvent_Globals& globals = getGlobals(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 375 | |
| 376 | // this is not thread accurate, need a semaphore for that |
| 377 | return globals.fEventQHead != NULL; |
| 378 | } |
| 379 | |
| 380 | #ifdef SK_TRACE_EVENTS |
| 381 | static int gDelayDepth; |
| 382 | #endif |
| 383 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 384 | SkMSec SkEvent::EnqueueTime(SkEvent* evt, SkMSec time) { |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 385 | SkEvent_Globals& globals = getGlobals(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 386 | // gEventMutex acquired by caller |
| 387 | |
| 388 | SkEvent* curr = globals.fDelayQHead; |
| 389 | SkEvent* prev = NULL; |
| 390 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 391 | while (curr) { |
| 392 | if (SkMSec_LT(time, curr->fTime)) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 393 | break; |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 394 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 395 | prev = curr; |
| 396 | curr = curr->fNextEvent; |
| 397 | } |
| 398 | |
| 399 | evt->fTime = time; |
| 400 | evt->fNextEvent = curr; |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 401 | if (prev == NULL) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 402 | globals.fDelayQHead = evt; |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 403 | } else { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 404 | prev->fNextEvent = evt; |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 405 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 406 | |
| 407 | SkMSec delay = globals.fDelayQHead->fTime - SkTime::GetMSecs(); |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 408 | if ((int32_t)delay <= 0) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 409 | delay = 1; |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 410 | } |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 411 | return delay; |
| 412 | } |
| 413 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 414 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 415 | |
| 416 | #include "SkEventSink.h" |
| 417 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 418 | bool SkEvent::ProcessEvent() { |
| 419 | SkEvent* evt = SkEvent::Dequeue(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 420 | SkAutoTDelete<SkEvent> autoDelete(evt); |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 421 | bool again = false; |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 422 | |
| 423 | EVENT_LOGN("ProcessEvent", (int32_t)evt); |
| 424 | |
reed@google.com | 87fac4a | 2011-08-04 13:50:17 +0000 | [diff] [blame] | 425 | if (evt) { |
| 426 | (void)SkEventSink::DoEvent(*evt); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 427 | again = SkEvent::QHasEvents(); |
| 428 | } |
| 429 | return again; |
| 430 | } |
| 431 | |
| 432 | void SkEvent::ServiceQueueTimer() |
| 433 | { |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 434 | SkEvent_Globals& globals = getGlobals(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 435 | |
| 436 | globals.fEventMutex.acquire(); |
| 437 | |
| 438 | bool wasEmpty = false; |
| 439 | SkMSec now = SkTime::GetMSecs(); |
| 440 | SkEvent* evt = globals.fDelayQHead; |
| 441 | |
| 442 | while (evt) |
| 443 | { |
| 444 | if (SkMSec_LT(now, evt->fTime)) |
| 445 | break; |
| 446 | |
| 447 | #ifdef SK_TRACE_EVENTS |
| 448 | --gDelayDepth; |
| 449 | SkDebugf("dequeue-delay %s (%d)", evt->getType(), gDelayDepth); |
| 450 | const char* idStr = evt->findString("id"); |
| 451 | if (idStr) |
| 452 | SkDebugf(" (%s)", idStr); |
| 453 | SkDebugf("\n"); |
| 454 | #endif |
| 455 | |
| 456 | SkEvent* next = evt->fNextEvent; |
| 457 | if (SkEvent::Enqueue(evt)) |
| 458 | wasEmpty = true; |
| 459 | evt = next; |
| 460 | } |
| 461 | globals.fDelayQHead = evt; |
| 462 | |
| 463 | SkMSec time = evt ? evt->fTime - now : 0; |
| 464 | |
| 465 | globals.fEventMutex.release(); |
| 466 | |
| 467 | if (wasEmpty) |
| 468 | SkEvent::SignalNonEmptyQueue(); |
| 469 | |
| 470 | SkEvent::SignalQueueTimer(time); |
| 471 | } |
| 472 | |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 473 | int SkEvent::CountEventsOnQueue() { |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 474 | SkEvent_Globals& globals = getGlobals(); |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 475 | globals.fEventMutex.acquire(); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 476 | |
reed@android.com | f2b98d6 | 2010-12-20 18:26:13 +0000 | [diff] [blame] | 477 | int count = 0; |
| 478 | const SkEvent* evt = globals.fEventQHead; |
| 479 | while (evt) { |
| 480 | count += 1; |
| 481 | evt = evt->fNextEvent; |
| 482 | } |
| 483 | globals.fEventMutex.release(); |
| 484 | |
| 485 | return count; |
| 486 | } |
| 487 | |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 488 | /////////////////////////////////////////////////////////////////////////////// |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 489 | |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 490 | void SkEvent::Init() {} |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 491 | |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 492 | void SkEvent::Term() { |
| 493 | SkEvent_Globals& globals = getGlobals(); |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 494 | |
| 495 | SkEvent* evt = globals.fEventQHead; |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 496 | while (evt) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 497 | SkEvent* next = evt->fNextEvent; |
| 498 | delete evt; |
| 499 | evt = next; |
| 500 | } |
| 501 | |
| 502 | evt = globals.fDelayQHead; |
reed@google.com | 9998c66 | 2011-11-17 22:09:47 +0000 | [diff] [blame] | 503 | while (evt) { |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 504 | SkEvent* next = evt->fNextEvent; |
| 505 | delete evt; |
| 506 | evt = next; |
| 507 | } |
| 508 | } |