Bug 781018 - Collect telemetry information about the number of websites a user visits with Mixed Active/Passive Content. r=smaug

--HG--
extra : rebase_source : d06dd4b07cb68c7dc5b36ab05f6bf8d6bb2a1924

content/base/src/nsDocument.cpp

@@ -22,6 +22,7 @@
 #include "plstr.h"
 #include "prprf.h"
 
+#include "mozilla/Telemetry.h"
 #include "nsIInterfaceRequestor.h"
 #include "nsIInterfaceRequestorUtils.h"
 #include "nsDocument.h"
@@ -1420,6 +1421,46 @@ nsDocument::~nsDocument()
 
   NS_ASSERTION(!mIsShowing, "Destroying a currently-showing document");
 
+  if (IsTopLevelContentDocument()) {
+    //don't report for about: pages
+    nsCOMPtr<nsIPrincipal> principal = GetPrincipal();
+    nsCOMPtr<nsIURI> uri;
+    principal->GetURI(getter_AddRefs(uri));
+    bool isAboutScheme = true;
+    if (uri) {
+      uri->SchemeIs("about", &isAboutScheme);
+    }
+
+    if (!isAboutScheme) {
+      // Record the mixed content status of the docshell in Telemetry
+      enum {
+        NO_MIXED_CONTENT = 0, // There is no Mixed Content on the page
+        MIXED_DISPLAY_CONTENT = 1, // The page attempted to load Mixed Display Content
+        MIXED_ACTIVE_CONTENT = 2, // The page attempted to load Mixed Active Content
+        MIXED_DISPLAY_AND_ACTIVE_CONTENT = 3 // The page attempted to load Mixed Display & Mixed Active Content
+      };
+
+      bool mixedActiveLoaded = GetHasMixedActiveContentLoaded();
+      bool mixedActiveBlocked = GetHasMixedActiveContentBlocked();
+
+      bool mixedDisplayLoaded = GetHasMixedDisplayContentLoaded();
+      bool mixedDisplayBlocked = GetHasMixedDisplayContentBlocked();
+
+      bool hasMixedDisplay = (mixedDisplayBlocked || mixedDisplayLoaded);
+      bool hasMixedActive = (mixedActiveBlocked || mixedActiveLoaded);
+
+      uint32_t mixedContentLevel = NO_MIXED_CONTENT;
+      if (hasMixedDisplay && hasMixedActive) {
+        mixedContentLevel = MIXED_DISPLAY_AND_ACTIVE_CONTENT;
+      } else if (hasMixedActive){
+        mixedContentLevel = MIXED_ACTIVE_CONTENT;
+      } else if (hasMixedDisplay) {
+        mixedContentLevel = MIXED_DISPLAY_CONTENT;
+      }
+      Accumulate(Telemetry::MIXED_CONTENT_PAGE_LOAD, mixedContentLevel);
+    }
+  }
+
   mInDestructor = true;
   mInUnlinkOrDeletion = true;
 
@@ -4113,6 +4154,23 @@ nsIDocument::SetContainer(nsISupports* aContainer)
 {
   mDocumentContainer = do_GetWeakReference(aContainer);
   EnumerateFreezableElements(NotifyActivityChanged, nullptr);
+  // Get the Docshell
+  nsCOMPtr<nsIDocShell> docShell = do_QueryInterface(aContainer);
+  if (docShell) {
+    int32_t itemType;
+    docShell->GetItemType(&itemType);
+    // check itemtype
+    if (itemType == nsIDocShellTreeItem::typeContent) {
+      // check if same type root
+      nsCOMPtr<nsIDocShellTreeItem> sameTypeRoot;
+      docShell->GetSameTypeRootTreeItem(getter_AddRefs(sameTypeRoot));
+      NS_ASSERTION(sameTypeRoot, "No document shell root tree item from document shell tree item!");
+
+      if (sameTypeRoot == docShell) {
+        static_cast<nsDocument*>(this)->SetIsTopLevelContentDocument(true);
+      }
+    }
+  }
 }
 
 void
@@ -4243,6 +4301,18 @@ nsDocument::SetScriptHandlingObject(nsIScriptGlobalObject* aScriptObject)
   }
 }
 
+bool
+nsDocument::IsTopLevelContentDocument()
+{
+  return mIsTopLevelContentDocument;
+}
+
+void
+nsDocument::SetIsTopLevelContentDocument(bool aIsTopLevelContentDocument)
+{
+  mIsTopLevelContentDocument = aIsTopLevelContentDocument;
+}
+
 nsPIDOMWindow *
 nsDocument::GetWindowInternal() const
 {

content/base/src/nsDocument.h

@@ -1121,6 +1121,12 @@ public:
 
   static void XPCOMShutdown();
 
+  bool mIsTopLevelContentDocument:1;
+
+  bool IsTopLevelContentDocument();
+
+  void SetIsTopLevelContentDocument(bool aIsTopLevelContentDocument);
+
   js::ExpandoAndGeneration mExpandoAndGeneration;
 
 protected:

docshell/base/nsDocShell.cpp

@@ -18,7 +18,6 @@
 #include "mozilla/Services.h"
 #include "mozilla/StartupTimeline.h"
 #include "mozilla/Telemetry.h"
-#include "mozilla/Telemetry.h"
 #include "mozilla/unused.h"
 #include "mozilla/Util.h"
 #include "mozilla/VisualEventTracer.h"

toolkit/components/telemetry/Histograms.json

@@ -3633,5 +3633,10 @@
   "BROWSER_IS_USER_DEFAULT": {
     "kind": "boolean",
     "description": "The result of the startup default desktop browser check."
+  },
+  "MIXED_CONTENT_PAGE_LOAD": {
+    "kind": "enumerated",
+    "n_values": 4,
+    "description": "Accumulates type of content (mixed, mixed passive, unmixed) per page load"
   }
 }