Backed out changeset ade350a1d864 (bug 1818141) for causing multiple failures at RestyleManager.cpp

dom/base/nsImageLoadingContent.cpp

@@ -1181,7 +1181,7 @@ nsresult nsImageLoadingContent::LoadImage(nsIURI* aNewURI, bool aForce,
                    "How could we not have a current request here?");
 
         if (nsImageFrame* f = do_QueryFrame(GetOurPrimaryImageFrame())) {
-          f->UpdateImage(mCurrentRequest);
+          f->NotifyNewCurrentRequest(mCurrentRequest, NS_OK);
         }
       }
     }

layout/generic/nsImageFrame.cpp

@@ -688,7 +688,7 @@ void nsImageFrame::UpdateXULImage() {
   }
 
   if (!mOwnedRequest) {
-    UpdateImage(nullptr);
+    UpdateImage(nullptr, nullptr);
   }
 }
 
@@ -761,14 +761,18 @@ void nsImageFrame::SetupOwnedRequest() {
   // need to add it to the image tracker manually.
   PresContext()->Document()->ImageTracker()->Add(mOwnedRequest);
 
-  UpdateImage(mOwnedRequest);
-
   uint32_t status = 0;
   nsresult rv = mOwnedRequest->GetImageStatus(&status);
   if (NS_FAILED(rv)) {
     return;
   }
 
+  if (status & imgIRequest::STATUS_SIZE_AVAILABLE) {
+    nsCOMPtr<imgIContainer> image;
+    mOwnedRequest->GetImage(getter_AddRefs(image));
+    OnSizeAvailable(mOwnedRequest, image);
+  }
+
   if (status & imgIRequest::STATUS_FRAME_COMPLETE) {
     mFirstFrameComplete = true;
   }
@@ -1092,7 +1096,9 @@ auto nsImageFrame::ImageFrameTypeFor(const Element& aElement,
 void nsImageFrame::Notify(imgIRequest* aRequest, int32_t aType,
                           const nsIntRect* aRect) {
   if (aType == imgINotificationObserver::SIZE_AVAILABLE) {
-    return OnSizeAvailable(aRequest);
+    nsCOMPtr<imgIContainer> image;
+    aRequest->GetImage(getter_AddRefs(image));
+    return OnSizeAvailable(aRequest, image);
   }
 
   if (aType == imgINotificationObserver::FRAME_UPDATE) {
@@ -1110,31 +1116,33 @@ void nsImageFrame::Notify(imgIRequest* aRequest, int32_t aType,
   }
 
   if (aType == imgINotificationObserver::LOAD_COMPLETE) {
-    return OnLoadComplete(aRequest);
+    uint32_t imgStatus;
+    aRequest->GetImageStatus(&imgStatus);
+    nsresult status =
+        imgStatus & imgIRequest::STATUS_ERROR ? NS_ERROR_FAILURE : NS_OK;
+    return OnLoadComplete(aRequest, status);
   }
 }
 
-void nsImageFrame::OnSizeAvailable(imgIRequest* aRequest) {
-  nsCOMPtr<imgIContainer> image;
-  aRequest->GetImage(getter_AddRefs(image));
-  if (!image) {
+void nsImageFrame::OnSizeAvailable(imgIRequest* aRequest,
+                                   imgIContainer* aImage) {
+  if (!aImage) {
     return;
   }
 
+  /* Get requested animation policy from the pres context:
+   *   normal = 0
+   *   one frame = 1
+   *   one loop = 2
+   */
+  aImage->SetAnimationMode(PresContext()->ImageAnimationMode());
+
   if (IsPendingLoad(aRequest)) {
     // We don't care
     return;
   }
 
-  UpdateImage(aRequest, image);
-}
-
-void nsImageFrame::UpdateImage(imgIRequest* aRequest) {
-  nsCOMPtr<imgIContainer> image;
-  if (aRequest) {
-    aRequest->GetImage(getter_AddRefs(image));
-  }
-  UpdateImage(aRequest, image);
+  UpdateImage(aRequest, aImage);
 }
 
 void nsImageFrame::UpdateImage(imgIRequest* aRequest, imgIContainer* aImage) {
@@ -1145,8 +1153,6 @@ void nsImageFrame::UpdateImage(imgIRequest* aRequest, imgIContainer* aImage) {
     // container, orienting according to our style.
     mImage = nsLayoutUtils::OrientImage(aImage, orientation);
     MOZ_ASSERT(mImage);
-    // Get requested animation policy from the pres context.
-    mImage->SetAnimationMode(PresContext()->ImageAnimationMode());
   } else {
     // We no longer have a valid image, so release our stored image container.
     mImage = mPrevImage = nullptr;
@@ -1261,9 +1267,8 @@ void nsImageFrame::MaybeSendIntrinsicSizeAndRatioToEmbedder(
   }
 }
 
-void nsImageFrame::OnLoadComplete(imgIRequest* aRequest) {
-  MOZ_ASSERT(aRequest);
-  UpdateImage(aRequest);
+void nsImageFrame::OnLoadComplete(imgIRequest* aRequest, nsresult aStatus) {
+  NotifyNewCurrentRequest(aRequest, aStatus);
 }
 
 void nsImageFrame::ElementStateChanged(ElementState aStates) {
@@ -1274,7 +1279,7 @@ void nsImageFrame::ElementStateChanged(ElementState aStates) {
     return;
   }
   if (!ImageOk(mContent->AsElement()->State())) {
-    UpdateImage(nullptr);
+    UpdateImage(nullptr, nullptr);
   }
 }
 
@@ -1315,6 +1320,15 @@ void nsImageFrame::UpdateIntrinsicSizeAndRatio() {
   }
 }
 
+void nsImageFrame::NotifyNewCurrentRequest(imgIRequest* aRequest,
+                                           nsresult aStatus) {
+  nsCOMPtr<imgIContainer> image;
+  aRequest->GetImage(getter_AddRefs(image));
+  NS_ASSERTION(image || NS_FAILED(aStatus),
+               "Successful load with no container?");
+  UpdateImage(aRequest, image);
+}
+
 void nsImageFrame::MaybeDecodeForPredictedSize() {
   // Check that we're ready to decode.
   if (!mImage) {

layout/generic/nsImageFrame.h

@@ -293,9 +293,14 @@ class nsImageFrame : public nsAtomicContainerFrame, public nsIReflowCallback {
   friend class nsImageLoadingContent;
   friend class mozilla::PresShell;
 
-  void OnSizeAvailable(imgIRequest* aRequest);
+  void OnSizeAvailable(imgIRequest* aRequest, imgIContainer* aImage);
   void OnFrameUpdate(imgIRequest* aRequest, const nsIntRect* aRect);
-  void OnLoadComplete(imgIRequest* aRequest);
+  void OnLoadComplete(imgIRequest* aRequest, nsresult aStatus);
+
+  /**
+   * Notification that aRequest will now be the current request.
+   */
+  void NotifyNewCurrentRequest(imgIRequest* aRequest, nsresult aStatus);
 
   /// Always sync decode our image when painting if @aForce is true.
   void SetForceSyncDecoding(bool aForce) { mForceSyncDecoding = aForce; }
@@ -352,7 +357,6 @@ class nsImageFrame : public nsAtomicContainerFrame, public nsIReflowCallback {
    * (both can be null), and invalidate layout and paint as needed.
    */
   void UpdateImage(imgIRequest*, imgIContainer*);
-  void UpdateImage(imgIRequest*);
 
   /**
    * Function to convert a dirty rect in the source image to a dirty