📰 The Status card reports disabled sync states

chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/StatusListItem.java

Index: chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/StatusListItem.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/StatusListItem.java b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/StatusListItem.java
index 09737987930009275f81fbcefa2d48f7dac3e1bd..68a8e9457b33ece90f5fc5b71c2d1b6982b7ed21 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/StatusListItem.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/ntp/cards/StatusListItem.java
@@ -4,35 +4,190 @@
 
 package org.chromium.chrome.browser.ntp.cards;
 
+import android.content.Context;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.Button;
+import android.widget.TextView;
 
+import org.chromium.base.Log;
 import org.chromium.chrome.R;
+import org.chromium.chrome.browser.ntp.NewTabPageView.NewTabPageManager;
+import org.chromium.chrome.browser.ntp.snippets.DisabledReason;
+import org.chromium.chrome.browser.preferences.PreferencesLauncher;
+import org.chromium.chrome.browser.signin.AccountSigninActivity;
+import org.chromium.chrome.browser.signin.SigninAccessPoint;
+import org.chromium.chrome.browser.sync.ui.SyncCustomizationFragment;
 
 /**
  * Card that is shown when the user needs to be made aware of some information about their
  * configuration about the NTP suggestions: there is no more available suggested content, sync
  * should be enabled, etc.
  */
-public class StatusListItem implements NewTabPageListItem {
+public abstract class StatusListItem implements NewTabPageListItem {
     /**
      * ViewHolder for an item of type {@link #VIEW_TYPE_STATUS}.
      */
     public static class ViewHolder extends CardViewHolder {
-        public ViewHolder(NewTabPageRecyclerView parent, final NewTabPageAdapter adapter) {
+        private final TextView mTitleView;
+        private final TextView mBodyView;
+        private final Button mActionView;
+
+        public ViewHolder(NewTabPageRecyclerView parent) {
             super(R.layout.new_tab_page_status_card, parent);
-            Button reloadButton = ((Button) itemView.findViewById(R.id.reload_button));
-            reloadButton.setOnClickListener(new OnClickListener() {
+            mTitleView = (TextView) itemView.findViewById(R.id.status_title);
+            mBodyView = (TextView) itemView.findViewById(R.id.status_body);
+            mActionView = (Button) itemView.findViewById(R.id.status_action_button);
+        }
+
+        @Override
+        public void onBindViewHolder(NewTabPageListItem item) {
+            assert item instanceof StatusListItem;
+            super.onBindViewHolder(item);
+
+            final StatusListItem listItem = (StatusListItem) item;
+            mTitleView.setText(listItem.mHeaderStringId);
+            mBodyView.setText(listItem.mDescriptionStringId);
+            mActionView.setText(listItem.mActionStringId);
+            mActionView.setOnClickListener(new OnClickListener() {
 
                 @Override
                 public void onClick(View v) {
-                    adapter.reloadSnippets();
+                    listItem.performAction(v.getContext());
                 }
             });
         }
     }
 
+    private static class NoSnippets extends StatusListItem {
+        private final NewTabPageAdapter mNewTabPageAdapter;
+
+        public NoSnippets(NewTabPageAdapter adapter) {
+            super(R.string.ntp_status_card_title_empty,
+                    R.string.ntp_status_card_body_empty,
+                    R.string.reload);
+            mNewTabPageAdapter = adapter;
+            Log.d(TAG, "Registering card for status: No Snippets");
+        }
+
+        @Override
+        protected void performAction(Context context) {
+            mNewTabPageAdapter.reloadSnippets();
+        }
+    }
+
+    private static class SignedOut extends StatusListItem {
+        public SignedOut() {
+            super(R.string.snippets_disabled_generic_prompt,
+                    R.string.snippets_disabled_signed_out_instructions,
+                    R.string.sign_in_button);
+            Log.d(TAG, "Registering card for status: User Signed out");
+        }
+
+        @Override
+        protected void performAction(Context context) {
+            AccountSigninActivity.startIfAllowed(context, SigninAccessPoint.NTP_LINK);
+        }
+    }
+
+    private static class SyncDisabled extends StatusListItem {
+        public SyncDisabled() {
+            super(R.string.snippets_disabled_generic_prompt,
+                    R.string.snippets_disabled_sync_instructions,
+                    R.string.snippets_disabled_sync_action);
+            Log.d(TAG, "Registering card for status: Sync Disabled");
+        }
+
+        @Override
+        protected void performAction(Context context) {
+            PreferencesLauncher.launchSettingsPage(
+                    context, SyncCustomizationFragment.class.getName());
+        }
+    }
+
+    private static class HistorySyncDisabled extends StatusListItem {
+        public HistorySyncDisabled() {
+            super(R.string.snippets_disabled_generic_prompt,
+                    R.string.snippets_disabled_history_sync_instructions,
+                    R.string.snippets_disabled_history_sync_action);
+            Log.d(TAG, "Registering card for status: History Sync Disabled");
+        }
+
+        @Override
+        protected void performAction(Context context) {
+            PreferencesLauncher.launchSettingsPage(
+                    context, SyncCustomizationFragment.class.getName());
+        }
+    }
+
+    private static class PassphraseEncryptionEnabled extends StatusListItem {
+        private static final String HELP_URL = "https://support.google.com/chrome/answer/1181035";
+        private final NewTabPageManager mNewTabPageManager;
+
+        public PassphraseEncryptionEnabled(NewTabPageManager manager) {
+            super(R.string.snippets_disabled_generic_prompt,
+                    R.string.snippets_disabled_passphrase_instructions,
+                    R.string.learn_more);
+            mNewTabPageManager = manager;
+            Log.d(TAG, "Registering card for status: Passphrase Encryption Enabled");
+        }
+
+        @Override
+        protected void performAction(Context context) {
+            mNewTabPageManager.openUrl(HELP_URL);
+        }
+    }
+
+    private static final String TAG = "NtpCards";
+
+    private final int mHeaderStringId;
+    private final int mDescriptionStringId;
+    private final int mActionStringId;
+
+    public static StatusListItem create(
+            int disabledReason, NewTabPageAdapter adapter, NewTabPageManager manager) {
+        switch (disabledReason) {
+            case DisabledReason.NONE:
+                return new NoSnippets(adapter);
+
+            case DisabledReason.SIGNED_OUT:
+                return new SignedOut();
+
+            case DisabledReason.SYNC_DISABLED:
+                return new SyncDisabled();
+
+            case DisabledReason.PASSPHRASE_ENCRYPTION_ENABLED:
+                return new PassphraseEncryptionEnabled(manager);
+
+            case DisabledReason.HISTORY_SYNC_STATE_UNKNOWN:
+                // This should only be a transient state: during app launch, or when the sync
+                // settings are being modified, and the user should never see a card showing this.
+                // So let's just use HistorySyncDisabled as fallback.
+                // TODO(dgn): If we add a spinner at some point (e.g. to show that we are fetching
+                // snippets) we could use it here too.
+            case DisabledReason.HISTORY_SYNC_DISABLED:
+                return new HistorySyncDisabled();
+
+            case DisabledReason.EXPLICITLY_DISABLED:
+                Log.wtf(TAG, "FATAL: Attempted to create a status card while the feature should be "
+                        + "off.");
+                return null;
+
+            default:
+                Log.wtf(TAG, "FATAL: Attempted to create a status card for an unknown value: %d",
+                        disabledReason);
+                return null;
+        }
+    }
+
+    private StatusListItem(int headerStringId, int descriptionStringId, int actionStringId) {
+        mHeaderStringId = headerStringId;
+        mDescriptionStringId = descriptionStringId;
+        mActionStringId = actionStringId;
+    }
+
+    protected abstract void performAction(Context context);
+
     @Override
     public int getType() {
         return NewTabPageListItem.VIEW_TYPE_STATUS;