The Tor Browser / annotate

dom/workers/RuntimeService.h@925c144e1f1f (annotated)

dom/workers/RuntimeService.h

Fri, 16 Jan 2015 18:13:44 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Fri, 16 Jan 2015 18:13:44 +0100
branch
TOR_BUG_9701
changeset 14
925c144e1f1f
permissions
-rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

michael@0 1 /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
michael@0 2 /* vim: set ts=2 et sw=2 tw=80: */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #ifndef mozilla_dom_workers_runtimeservice_h__
michael@0 8 #define mozilla_dom_workers_runtimeservice_h__
michael@0 9
michael@0 10 #include "Workers.h"
michael@0 11
michael@0 12 #include "nsIObserver.h"
michael@0 13
michael@0 14 #include "mozilla/TimeStamp.h"
michael@0 15 #include "mozilla/dom/BindingDeclarations.h"
michael@0 16 #include "nsClassHashtable.h"
michael@0 17 #include "nsHashKeys.h"
michael@0 18 #include "nsTArray.h"
michael@0 19
michael@0 20 class nsIRunnable;
michael@0 21 class nsIThread;
michael@0 22 class nsITimer;
michael@0 23 class nsPIDOMWindow;
michael@0 24
michael@0 25 BEGIN_WORKERS_NAMESPACE
michael@0 26
michael@0 27 class SharedWorker;
michael@0 28 class WorkerPrivate;
michael@0 29
michael@0 30 class RuntimeService MOZ_FINAL : public nsIObserver
michael@0 31 {
michael@0 32 public:
michael@0 33 class WorkerThread;
michael@0 34
michael@0 35 private:
michael@0 36 struct SharedWorkerInfo
michael@0 37 {
michael@0 38 WorkerPrivate* mWorkerPrivate;
michael@0 39 nsCString mScriptSpec;
michael@0 40 nsCString mName;
michael@0 41
michael@0 42 SharedWorkerInfo(WorkerPrivate* aWorkerPrivate,
michael@0 43 const nsACString& aScriptSpec,
michael@0 44 const nsACString& aName)
michael@0 45 : mWorkerPrivate(aWorkerPrivate), mScriptSpec(aScriptSpec), mName(aName)
michael@0 46 { }
michael@0 47 };
michael@0 48
michael@0 49 struct WorkerDomainInfo
michael@0 50 {
michael@0 51 nsCString mDomain;
michael@0 52 nsTArray<WorkerPrivate*> mActiveWorkers;
michael@0 53 nsTArray<WorkerPrivate*> mQueuedWorkers;
michael@0 54 nsClassHashtable<nsCStringHashKey, SharedWorkerInfo> mSharedWorkerInfos;
michael@0 55 uint32_t mChildWorkerCount;
michael@0 56
michael@0 57 WorkerDomainInfo()
michael@0 58 : mActiveWorkers(1), mChildWorkerCount(0)
michael@0 59 { }
michael@0 60
michael@0 61 uint32_t
michael@0 62 ActiveWorkerCount() const
michael@0 63 {
michael@0 64 return mActiveWorkers.Length() + mChildWorkerCount;
michael@0 65 }
michael@0 66 };
michael@0 67
michael@0 68 struct IdleThreadInfo
michael@0 69 {
michael@0 70 nsRefPtr<WorkerThread> mThread;
michael@0 71 mozilla::TimeStamp mExpirationTime;
michael@0 72 };
michael@0 73
michael@0 74 struct MatchSharedWorkerInfo
michael@0 75 {
michael@0 76 WorkerPrivate* mWorkerPrivate;
michael@0 77 SharedWorkerInfo* mSharedWorkerInfo;
michael@0 78
michael@0 79 MatchSharedWorkerInfo(WorkerPrivate* aWorkerPrivate)
michael@0 80 : mWorkerPrivate(aWorkerPrivate), mSharedWorkerInfo(nullptr)
michael@0 81 { }
michael@0 82 };
michael@0 83
michael@0 84 mozilla::Mutex mMutex;
michael@0 85
michael@0 86 // Protected by mMutex.
michael@0 87 nsClassHashtable<nsCStringHashKey, WorkerDomainInfo> mDomainMap;
michael@0 88
michael@0 89 // Protected by mMutex.
michael@0 90 nsTArray<IdleThreadInfo> mIdleThreadArray;
michael@0 91
michael@0 92 // *Not* protected by mMutex.
michael@0 93 nsClassHashtable<nsPtrHashKey<nsPIDOMWindow>,
michael@0 94 nsTArray<WorkerPrivate*> > mWindowMap;
michael@0 95
michael@0 96 // Only used on the main thread.
michael@0 97 nsCOMPtr<nsITimer> mIdleThreadTimer;
michael@0 98
michael@0 99 static JSSettings sDefaultJSSettings;
michael@0 100 static bool sDefaultPreferences[WORKERPREF_COUNT];
michael@0 101
michael@0 102 public:
michael@0 103 struct NavigatorProperties
michael@0 104 {
michael@0 105 nsString mAppName;
michael@0 106 nsString mAppNameOverridden;
michael@0 107 nsString mAppVersion;
michael@0 108 nsString mAppVersionOverridden;
michael@0 109 nsString mPlatform;
michael@0 110 nsString mPlatformOverridden;
michael@0 111 nsString mUserAgent;
michael@0 112 };
michael@0 113
michael@0 114 private:
michael@0 115 NavigatorProperties mNavigatorProperties;
michael@0 116
michael@0 117 // True when the observer service holds a reference to this object.
michael@0 118 bool mObserved;
michael@0 119 bool mShuttingDown;
michael@0 120 bool mNavigatorPropertiesLoaded;
michael@0 121
michael@0 122 public:
michael@0 123 NS_DECL_ISUPPORTS
michael@0 124 NS_DECL_NSIOBSERVER
michael@0 125
michael@0 126 static RuntimeService*
michael@0 127 GetOrCreateService();
michael@0 128
michael@0 129 static RuntimeService*
michael@0 130 GetService();
michael@0 131
michael@0 132 bool
michael@0 133 RegisterWorker(JSContext* aCx, WorkerPrivate* aWorkerPrivate);
michael@0 134
michael@0 135 void
michael@0 136 UnregisterWorker(JSContext* aCx, WorkerPrivate* aWorkerPrivate);
michael@0 137
michael@0 138 void
michael@0 139 CancelWorkersForWindow(nsPIDOMWindow* aWindow);
michael@0 140
michael@0 141 void
michael@0 142 SuspendWorkersForWindow(nsPIDOMWindow* aWindow);
michael@0 143
michael@0 144 void
michael@0 145 ResumeWorkersForWindow(nsPIDOMWindow* aWindow);
michael@0 146
michael@0 147 nsresult
michael@0 148 CreateSharedWorker(const GlobalObject& aGlobal,
michael@0 149 const nsAString& aScriptURL,
michael@0 150 const nsACString& aName,
michael@0 151 SharedWorker** aSharedWorker);
michael@0 152
michael@0 153 void
michael@0 154 ForgetSharedWorker(WorkerPrivate* aWorkerPrivate);
michael@0 155
michael@0 156 const NavigatorProperties&
michael@0 157 GetNavigatorProperties() const
michael@0 158 {
michael@0 159 return mNavigatorProperties;
michael@0 160 }
michael@0 161
michael@0 162 void
michael@0 163 NoteIdleThread(WorkerThread* aThread);
michael@0 164
michael@0 165 static void
michael@0 166 GetDefaultJSSettings(JSSettings& aSettings)
michael@0 167 {
michael@0 168 AssertIsOnMainThread();
michael@0 169 aSettings = sDefaultJSSettings;
michael@0 170 }
michael@0 171
michael@0 172 static void
michael@0 173 GetDefaultPreferences(bool aPreferences[WORKERPREF_COUNT])
michael@0 174 {
michael@0 175 AssertIsOnMainThread();
michael@0 176 memcpy(aPreferences, sDefaultPreferences, WORKERPREF_COUNT * sizeof(bool));
michael@0 177 }
michael@0 178
michael@0 179 static void
michael@0 180 SetDefaultRuntimeAndContextOptions(
michael@0 181 const JS::RuntimeOptions& aRuntimeOptions,
michael@0 182 const JS::ContextOptions& aContentCxOptions,
michael@0 183 const JS::ContextOptions& aChromeCxOptions)
michael@0 184 {
michael@0 185 AssertIsOnMainThread();
michael@0 186 sDefaultJSSettings.runtimeOptions = aRuntimeOptions;
michael@0 187 sDefaultJSSettings.content.contextOptions = aContentCxOptions;
michael@0 188 sDefaultJSSettings.chrome.contextOptions = aChromeCxOptions;
michael@0 189 }
michael@0 190
michael@0 191 void
michael@0 192 UpdateAppNameOverridePreference(const nsAString& aValue);
michael@0 193
michael@0 194 void
michael@0 195 UpdateAppVersionOverridePreference(const nsAString& aValue);
michael@0 196
michael@0 197 void
michael@0 198 UpdatePlatformOverridePreference(const nsAString& aValue);
michael@0 199
michael@0 200 void
michael@0 201 UpdateAllWorkerRuntimeAndContextOptions();
michael@0 202
michael@0 203 void
michael@0 204 UpdateAllWorkerPreference(WorkerPreference aPref, bool aValue);
michael@0 205
michael@0 206 static void
michael@0 207 SetDefaultJSGCSettings(JSGCParamKey aKey, uint32_t aValue)
michael@0 208 {
michael@0 209 AssertIsOnMainThread();
michael@0 210 sDefaultJSSettings.ApplyGCSetting(aKey, aValue);
michael@0 211 }
michael@0 212
michael@0 213 void
michael@0 214 UpdateAllWorkerMemoryParameter(JSGCParamKey aKey, uint32_t aValue);
michael@0 215
michael@0 216 static uint32_t
michael@0 217 GetContentCloseHandlerTimeoutSeconds()
michael@0 218 {
michael@0 219 return sDefaultJSSettings.content.maxScriptRuntime;
michael@0 220 }
michael@0 221
michael@0 222 static uint32_t
michael@0 223 GetChromeCloseHandlerTimeoutSeconds()
michael@0 224 {
michael@0 225 return sDefaultJSSettings.chrome.maxScriptRuntime;
michael@0 226 }
michael@0 227
michael@0 228 #ifdef JS_GC_ZEAL
michael@0 229 static void
michael@0 230 SetDefaultGCZeal(uint8_t aGCZeal, uint32_t aFrequency)
michael@0 231 {
michael@0 232 AssertIsOnMainThread();
michael@0 233 sDefaultJSSettings.gcZeal = aGCZeal;
michael@0 234 sDefaultJSSettings.gcZealFrequency = aFrequency;
michael@0 235 }
michael@0 236
michael@0 237 void
michael@0 238 UpdateAllWorkerGCZeal();
michael@0 239 #endif
michael@0 240
michael@0 241 void
michael@0 242 GarbageCollectAllWorkers(bool aShrinking);
michael@0 243
michael@0 244 void
michael@0 245 CycleCollectAllWorkers();
michael@0 246
michael@0 247 void
michael@0 248 SendOfflineStatusChangeEventToAllWorkers(bool aIsOffline);
michael@0 249
michael@0 250 private:
michael@0 251 RuntimeService();
michael@0 252 ~RuntimeService();
michael@0 253
michael@0 254 nsresult
michael@0 255 Init();
michael@0 256
michael@0 257 void
michael@0 258 Shutdown();
michael@0 259
michael@0 260 void
michael@0 261 Cleanup();
michael@0 262
michael@0 263 static PLDHashOperator
michael@0 264 AddAllTopLevelWorkersToArray(const nsACString& aKey,
michael@0 265 WorkerDomainInfo* aData,
michael@0 266 void* aUserArg);
michael@0 267
michael@0 268 static PLDHashOperator
michael@0 269 RemoveSharedWorkerFromWindowMap(nsPIDOMWindow* aKey,
michael@0 270 nsAutoPtr<nsTArray<WorkerPrivate*> >& aData,
michael@0 271 void* aUserArg);
michael@0 272
michael@0 273 static PLDHashOperator
michael@0 274 FindSharedWorkerInfo(const nsACString& aKey,
michael@0 275 SharedWorkerInfo* aData,
michael@0 276 void* aUserArg);
michael@0 277
michael@0 278 void
michael@0 279 GetWorkersForWindow(nsPIDOMWindow* aWindow,
michael@0 280 nsTArray<WorkerPrivate*>& aWorkers);
michael@0 281
michael@0 282 bool
michael@0 283 ScheduleWorker(JSContext* aCx, WorkerPrivate* aWorkerPrivate);
michael@0 284
michael@0 285 static void
michael@0 286 ShutdownIdleThreads(nsITimer* aTimer, void* aClosure);
michael@0 287
michael@0 288 static void
michael@0 289 WorkerPrefChanged(const char* aPrefName, void* aClosure);
michael@0 290
michael@0 291 static void
michael@0 292 JSVersionChanged(const char* aPrefName, void* aClosure);
michael@0 293 };
michael@0 294
michael@0 295 END_WORKERS_NAMESPACE
michael@0 296
michael@0 297 #endif /* mozilla_dom_workers_runtimeservice_h__ */

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