Abstract ShareActivity Class

chrome/android/java/src/org/chromium/chrome/browser/printing/PrintShareActivity.java

Index: chrome/android/java/src/org/chromium/chrome/browser/printing/PrintShareActivity.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/printing/PrintShareActivity.java b/chrome/android/java/src/org/chromium/chrome/browser/printing/PrintShareActivity.java
index 16b8541e09d44b2de87967169372288ba6a9278b..554fa89aa86daa14b7d0cbb9a6e8e828d5982615 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/printing/PrintShareActivity.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/printing/PrintShareActivity.java
@@ -4,73 +4,23 @@
 
 package org.chromium.chrome.browser.printing;
 
-import android.app.Activity;
-import android.content.Intent;
-import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
-
-import org.chromium.base.ApplicationStatus;
 import org.chromium.chrome.R;
-import org.chromium.chrome.browser.ChromeActivity;
 import org.chromium.chrome.browser.preferences.PrefServiceBridge;
-import org.chromium.chrome.browser.share.OptionalShareTargetsManager;
-import org.chromium.chrome.browser.share.ShareHelper;
+import org.chromium.chrome.browser.share.ShareActivity;
 import org.chromium.chrome.browser.tab.Tab;
-import org.chromium.chrome.browser.util.IntentUtils;
 import org.chromium.printing.PrintingController;
 import org.chromium.printing.PrintingControllerImpl;
 
-import java.lang.ref.WeakReference;
-import java.util.List;
-
 /**
  * A simple activity that allows Chrome to expose print as an option in the share menu.
  */
-public class PrintShareActivity extends AppCompatActivity {
-
+public class PrintShareActivity extends ShareActivity {
     @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        try {
-            Intent intent = getIntent();
-            if (intent == null) return;
-            if (!Intent.ACTION_SEND.equals(intent.getAction())) return;
-            if (!IntentUtils.safeHasExtra(getIntent(), ShareHelper.EXTRA_TASK_ID)) return;
-            handlePrintAction();
-        } finally {
-            finish();
-        }
-    }
-
-    private void handlePrintAction() {
-        int triggeringTaskId =
-                IntentUtils.safeGetIntExtra(getIntent(), ShareHelper.EXTRA_TASK_ID, 0);
-        List<WeakReference<Activity>> activities = ApplicationStatus.getRunningActivities();
-        ChromeActivity triggeringActivity = null;
-        for (int i = 0; i < activities.size(); i++) {
-            Activity activity = activities.get(i).get();
-            if (activity == null) continue;
-
-            // Since the share intent is triggered without NEW_TASK or NEW_DOCUMENT, the task ID
-            // of this activity will match that of the triggering activity.
-            if (activity.getTaskId() == triggeringTaskId
-                    && activity instanceof ChromeActivity) {
-                triggeringActivity = (ChromeActivity) activity;
-                break;
-            }
-        }
-        if (triggeringActivity == null) return;
-        OptionalShareTargetsManager.handleShareFinish(triggeringActivity);
-        triggeringActivity.onMenuOrKeyboardAction(R.id.print_id, true);
+    protected void handleShareAction() {
+        getTriggeringActivity().onMenuOrKeyboardAction(R.id.print_id, true);
     }
 
-    /**
-     * Determines if the printing share option should be enabled.
-     * @param currentTab The current tab of the triggering Chrome activity.
-     * @return {@code true} if printing should be enabled.
-     */
-    public static boolean printingIsEnabled(Tab currentTab) {
+    public static boolean featureIsAvailable(Tab currentTab) {
         PrintingController printingController = PrintingControllerImpl.getInstance();
         return (printingController != null && !currentTab.isNativePage()
                 && !printingController.isBusy()