For #24075: Add PDF download metrics.

app/metrics.yaml

@@ -7397,3 +7397,43 @@ recently_visited_homepage:
     data_sensitivity:
       - interaction
     expires: 114
+downloads:
+  pdf_download_count:
+    type: counter
+    lifetime: application
+    description: |
+      A counter that indicates how many times a pdf has been downloaded.
+    send_in_pings:
+      - metrics
+    bugs:
+      - https://github.com/mozilla-mobile/fenix/issues/24075
+    data_reviews:
+      - https://github.com/mozilla-mobile/fenix/pull/24061
+    data_sensitivity:
+      - interaction
+    notification_emails:
+      - android-probes@mozilla.com
+    expires: 107
+    metadata:
+      tags:
+        - Download
+  downloaded_pdf_open_count:
+    type: counter
+    lifetime: application
+    description: |
+      A counter that indicates how many times open button has been clicked
+      for a downloaded pdf.
+    send_in_pings:
+      - metrics
+    bugs:
+      - https://github.com/mozilla-mobile/fenix/issues/24075
+    data_reviews:
+      - https://github.com/mozilla-mobile/fenix/pull/-
+    data_sensitivity:
+      - interaction
+    notification_emails:
+      - android-probes@mozilla.com
+    expires: 107
+    metadata:
+      tags:
+        - Download

app/src/main/java/org/mozilla/fenix/browser/BaseBrowserFragment.kt

@@ -130,6 +130,7 @@ import mozilla.components.feature.webauthn.WebAuthnFeature
 import mozilla.components.support.base.feature.ActivityResultHandler
 import mozilla.components.support.ktx.android.view.enterToImmersiveMode
 import mozilla.components.support.ktx.kotlin.getOrigin
+import org.mozilla.fenix.GleanMetrics.Downloads
 import org.mozilla.fenix.components.toolbar.interactor.BrowserToolbarInteractor
 import org.mozilla.fenix.components.toolbar.interactor.DefaultBrowserToolbarInteractor
 import org.mozilla.fenix.crashes.CrashContentIntegration
@@ -517,6 +518,10 @@ abstract class BaseBrowserFragment :
 
                 dynamicDownloadDialog.show()
                 browserToolbarView.expand()
+
+                if (downloadState.contentType == "application/pdf") {
+                    Downloads.pdfDownloadCount.add()
+                }
             }
         }
 

app/src/main/java/org/mozilla/fenix/downloads/DynamicDownloadDialog.kt

@@ -12,6 +12,7 @@ import androidx.coordinatorlayout.widget.CoordinatorLayout
 import mozilla.components.browser.state.state.content.DownloadState
 import mozilla.components.feature.downloads.AbstractFetchDownloadService
 import mozilla.components.feature.downloads.toMegabyteOrKilobyteString
+import org.mozilla.fenix.GleanMetrics.Downloads
 import org.mozilla.fenix.R
 import org.mozilla.fenix.databinding.DownloadDialogLayoutBinding
 import org.mozilla.fenix.ext.settings
@@ -99,10 +100,16 @@ class DynamicDownloadDialog(
                         download = downloadState
                     )
 
+                    if (downloadState.contentType == "application/pdf") {
+                        Downloads.downloadedPdfOpenCount.add()
+                    }
+
                     if (!fileWasOpened) {
                         onCannotOpenFile(downloadState)
                     }
 
+
+
                     dismiss()
                 }
             }