use new PendingInstall mechanism to control AppDetails buttons

This should hopefully give more reliable display/hiding of the buttons.

refs #1357

app/src/main/java/org/fdroid/fdroid/AppDetails2.java

@@ -373,6 +373,12 @@ public class AppDetails2 extends AppCompatActivity
         }
     }
 
+    @Override
+    public void installApk() {
+        Apk apkToInstall = ApkProvider.Helper.findSuggestedApk(this, app);
+        installApk(apkToInstall);
+    }
+
     // Install the version of this app denoted by 'app.curApk'.
     @Override
     public void installApk(final Apk apk) {
@@ -426,12 +432,6 @@ public class AppDetails2 extends AppCompatActivity
     }
 
     private void initiateInstall(Apk apk) {
-        if (isAppDownloading()) {
-            Log.i(TAG, "Ignoring request to install " + apk.packageName + " version " + apk.versionName
-                    + ", as we are already downloading (either that or a different version).");
-            return;
-        }
-
         Installer installer = InstallerFactory.create(this, apk);
         Intent intent = installer.getPermissionScreen();
         if (intent != null) {
@@ -705,11 +705,6 @@ public class AppDetails2 extends AppCompatActivity
         });
     }
 
-    @Override
-    public boolean isAppDownloading() {
-        return currentStatus != null && currentStatus.status == AppUpdateStatusManager.Status.Downloading;
-    }
-
     @Override
     public void enableAndroidBeam() {
         NfcHelper.setAndroidBeam(this, app.packageName);
@@ -734,7 +729,7 @@ public class AppDetails2 extends AppCompatActivity
 
     @Override
     public void installCancel() {
-        if (isAppDownloading()) {
+        if (currentStatus != null) {
             InstallManagerService.cancel(this, currentStatus.getUniqueKey());
         }
     }
@@ -750,18 +745,6 @@ public class AppDetails2 extends AppCompatActivity
         }
     }
 
-    @Override
-    public void installApk() {
-        Apk apkToInstall = ApkProvider.Helper.findSuggestedApk(this, app);
-        installApk(apkToInstall);
-    }
-
-    @Override
-    public void upgradeApk() {
-        Apk apkToInstall = ApkProvider.Helper.findSuggestedApk(this, app);
-        installApk(apkToInstall);
-    }
-
     /**
      * Uninstall the app from the current screen.  Since there are many ways
      * to uninstall an app, including from Google Play, {@code adb uninstall},

app/src/main/java/org/fdroid/fdroid/installer/InstallManagerService.java

@@ -489,12 +489,25 @@ public class InstallManagerService extends Service {
         return pendingInstalls.contains(urlString);
     }
 
+    /**
+     * Look up by {@code packageName} whether it is a Pending Install.
+     *
+     * @see #isPendingInstall(String)
+     */
+    public static boolean isPendingInstall(Context context, String packageName) {
+        if (pendingInstalls == null) {
+            pendingInstalls = getPendingInstalls(context);
+        }
+        return pendingInstalls.getAll().values().contains(packageName);
+    }
+
     /**
      * Mark a given APK as in the process of being installed, with
      * the {@code urlString} of the download used as the unique ID,
      * and the file hash used to verify that things are the same.
      *
      * @see #isPendingInstall(String)
+     * @see #isPendingInstall(Context, String)
      */
     public static void putPendingInstall(Context context, String urlString, String packageName) {
         if (pendingInstalls == null) {

app/src/main/java/org/fdroid/fdroid/views/AppDetailsRecyclerViewAdapter.java

@@ -43,6 +43,7 @@ import org.fdroid.fdroid.data.ApkProvider;
 import org.fdroid.fdroid.data.App;
 import org.fdroid.fdroid.data.InstalledAppProvider;
 import org.fdroid.fdroid.data.RepoProvider;
+import org.fdroid.fdroid.installer.InstallManagerService;
 import org.fdroid.fdroid.privileged.views.AppDiff;
 import org.fdroid.fdroid.privileged.views.AppSecurityPermissions;
 import org.fdroid.fdroid.views.main.MainActivity;
@@ -57,8 +58,6 @@ public class AppDetailsRecyclerViewAdapter
 
     public interface AppDetailsRecyclerViewAdapterCallbacks {
 
-        boolean isAppDownloading();
-
         void enableAndroidBeam();
 
         void disableAndroidBeam();
@@ -69,8 +68,6 @@ public class AppDetailsRecyclerViewAdapter
 
         void installApk(Apk apk);
 
-        void upgradeApk();
-
         void uninstallApk();
 
         void installCancel();
@@ -490,9 +487,11 @@ public class AppDetailsRecyclerViewAdapter
             buttonSecondaryView.setOnClickListener(onUnInstallClickListener);
             buttonPrimaryView.setText(R.string.menu_install);
             buttonPrimaryView.setVisibility(versions.size() > 0 ? View.VISIBLE : View.GONE);
-            if (callbacks.isAppDownloading()) {
+            if (InstallManagerService.isPendingInstall(context, app.packageName)) {
                 buttonPrimaryView.setText(R.string.downloading);
                 buttonPrimaryView.setEnabled(false);
+                buttonLayout.setVisibility(View.GONE);
+                progressLayout.setVisibility(View.VISIBLE);
             } else if (!app.isInstalled(context) && suggestedApk != null) {
                 // Check count > 0 due to incompatible apps resulting in an empty list.
                 callbacks.disableAndroidBeam();
@@ -500,6 +499,8 @@ public class AppDetailsRecyclerViewAdapter
                 buttonPrimaryView.setText(R.string.menu_install);
                 buttonPrimaryView.setOnClickListener(onInstallClickListener);
                 buttonPrimaryView.setEnabled(true);
+                buttonLayout.setVisibility(View.VISIBLE);
+                progressLayout.setVisibility(View.GONE);
             } else if (app.isInstalled(context)) {
                 callbacks.enableAndroidBeam();
                 if (app.canAndWantToUpdate(context) && suggestedApk != null) {
@@ -514,10 +515,8 @@ public class AppDetailsRecyclerViewAdapter
                     }
                 }
                 buttonPrimaryView.setEnabled(true);
-            }
+                buttonLayout.setVisibility(View.VISIBLE);
-            if (callbacks.isAppDownloading()) {
+                progressLayout.setVisibility(View.GONE);
-                buttonLayout.setVisibility(View.GONE);
-                progressLayout.setVisibility(View.VISIBLE);
             } else {
                 buttonLayout.setVisibility(View.VISIBLE);
                 progressLayout.setVisibility(View.GONE);
@@ -1103,7 +1102,7 @@ public class AppDetailsRecyclerViewAdapter
     private final View.OnClickListener onUpgradeClickListener = new View.OnClickListener() {
         @Override
         public void onClick(View v) {
-            callbacks.upgradeApk();
+            callbacks.installApk();
         }
     };
 

app/src/test/java/org/fdroid/fdroid/views/AppDetailsAdapterTest.java

@@ -101,10 +101,6 @@ public class AppDetailsAdapterTest extends FDroidProviderTest {
     }
 
     private final AppDetailsRecyclerViewAdapter.AppDetailsRecyclerViewAdapterCallbacks dummyCallbacks = new AppDetailsRecyclerViewAdapter.AppDetailsRecyclerViewAdapterCallbacks() { // NOCHECKSTYLE LineLength
-        @Override
-        public boolean isAppDownloading() {
-            return false;
-        }
 
         @Override
         public void enableAndroidBeam() {
@@ -131,11 +127,6 @@ public class AppDetailsAdapterTest extends FDroidProviderTest {
 
         }
 
-        @Override
-        public void upgradeApk() {
-
-        }
-
         @Override
         public void uninstallApk() {