Bug 665579: Merge nsIThreadInternal and nsIThreadInternal2. r=bsmedberg

dom/indexedDB/IDBTransaction.cpp

@@ -104,7 +104,7 @@ IDBTransaction::Create(IDBDatabase* aDatabase,
   }
 
   if (!aDispatchDelayed) {
-    nsCOMPtr<nsIThreadInternal2> thread =
+    nsCOMPtr<nsIThreadInternal> thread =
       do_QueryInterface(NS_GetCurrentThread());
     NS_ENSURE_TRUE(thread, nsnull);
 
@@ -899,10 +899,7 @@ IDBTransaction::AfterProcessNextEvent(nsIThreadInternal* aThread,
     }
 
     // No longer need to observe thread events.
-    nsCOMPtr<nsIThreadInternal2> thread = do_QueryInterface(aThread);
-    NS_ASSERTION(thread, "This must never fail!");
-
-    if(NS_FAILED(thread->RemoveObserver(this))) {
+    if(NS_FAILED(aThread->RemoveObserver(this))) {
       NS_ERROR("Failed to remove observer!");
     }
   }

xpcom/threads/nsIThreadInternal.idl

@@ -45,7 +45,7 @@ interface nsIThreadEventFilter;
  * The XPCOM thread object implements this interface, which allows a consumer
  * to observe dispatch activity on the thread.
  */
-[scriptable, uuid(f89b5063-b06d-42f8-bf23-4dfcf2d80d6a)]
+[scriptable, uuid(e0d35c22-53d5-4b48-8627-93e05b94cf2c)]
 interface nsIThreadInternal : nsIThread
 {
   /**
@@ -76,6 +76,28 @@ interface nsIThreadInternal : nsIThread
    * events remaining in the queue are appended to the elder queue.
    */
   void popEventQueue();
+
+  /**
+   * The current recursion depth, 0 when no events are running, 1 when a single
+   * event is running, and higher when nested events are running. Must only be
+   * called on the target thread.
+   */
+  readonly attribute unsigned long recursionDepth;
+
+  /**
+   * Add an observer that will *only* receive onProcessNextEvent and
+   * afterProcessNextEvent callbacks. Always called on the target thread, and
+   * the implementation does not have to be threadsafe. Order of callbacks is
+   * not guaranteed (i.e. afterProcessNextEvent may be called first depending on
+   * whether or not the observer is added in a nested loop). Holds a strong ref.
+   */
+  void addObserver(in nsIThreadObserver observer);
+
+  /**
+   * Remove an observer added via the addObserver call. Once removed the
+   * observer will never be called again by the thread.
+   */
+  void removeObserver(in nsIThreadObserver observer);
 };
 
 /**
@@ -166,32 +188,3 @@ interface nsIThreadEventFilter : nsISupports
    */
   [notxpcom] boolean acceptEvent(in nsIRunnable event);
 };
-
-/**
- * Temporary interface, will be merged into nsIThreadInternal.
- */
-[scriptable, uuid(4531f101-fddc-4d36-80e7-35260a2f3afe)]
-interface nsIThreadInternal2 : nsIThreadInternal
-{
-  /**
-   * The current recursion depth, 0 when no events are running, 1 when a single
-   * event is running, and higher when nested events are running. Must only be
-   * called on the target thread.
-   */
-  readonly attribute unsigned long recursionDepth;
-
-  /**
-   * Add an observer that will *only* receive onProcessNextEvent and
-   * afterProcessNextEvent callbacks. Always called on the target thread, and
-   * the implementation does not have to be threadsafe. Order of callbacks is
-   * not guaranteed (i.e. afterProcessNextEvent may be called first depending on
-   * whether or not the observer is added in a nested loop). Holds a strong ref.
-   */
-  void addObserver(in nsIThreadObserver observer);
-
-  /**
-   * Remove an observer added via the addObserver call. Once removed the
-   * observer will never be called again by the thread.
-   */
-  void removeObserver(in nsIThreadObserver observer);
-};

xpcom/threads/nsThread.cpp

@@ -159,7 +159,6 @@ NS_IMPL_THREADSAFE_RELEASE(nsThread)
 NS_INTERFACE_MAP_BEGIN(nsThread)
   NS_INTERFACE_MAP_ENTRY(nsIThread)
   NS_INTERFACE_MAP_ENTRY(nsIThreadInternal)
-  NS_INTERFACE_MAP_ENTRY(nsIThreadInternal2)
   NS_INTERFACE_MAP_ENTRY(nsIEventTarget)
   NS_INTERFACE_MAP_ENTRY(nsISupportsPriority)
   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIThread)
@@ -745,9 +744,6 @@ nsThread::nsChainedEventQueue::PutEvent(nsIRunnable *event)
   return val;
 }
 
-//-----------------------------------------------------------------------------
-// nsIThreadInternal2
-
 NS_IMETHODIMP
 nsThread::GetRecursionDepth(PRUint32 *depth)
 {

xpcom/threads/nsThread.h

@@ -48,14 +48,13 @@
 #include "nsTObserverArray.h"
 
 // A native thread
-class nsThread : public nsIThreadInternal2, public nsISupportsPriority
+class nsThread : public nsIThreadInternal, public nsISupportsPriority
 {
 public:
   NS_DECL_ISUPPORTS
   NS_DECL_NSIEVENTTARGET
   NS_DECL_NSITHREAD
   NS_DECL_NSITHREADINTERNAL
-  NS_DECL_NSITHREADINTERNAL2
   NS_DECL_NSISUPPORTSPRIORITY
 
   nsThread();