Instant Apps: refactor logic to encapsulate in the Instant Apps Handler.

chrome/android/java/src/org/chromium/chrome/browser/instantapps/InstantAppsHandler.java

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.instantapps;
 
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.ResolveInfo;
 import android.net.Uri;
 import android.os.StrictMode;
 import android.os.SystemClock;
 import android.provider.Browser;
 
 import org.chromium.base.BuildInfo;
 import org.chromium.base.ContextUtils;
 import org.chromium.base.Log;
+import org.chromium.base.VisibleForTesting;
 import org.chromium.base.metrics.CachedMetrics.EnumeratedHistogramSample;
 import org.chromium.base.metrics.CachedMetrics.TimesHistogramSample;
 import org.chromium.chrome.browser.AppHooks;
 import org.chromium.chrome.browser.IntentHandler;
 import org.chromium.chrome.browser.ShortcutHelper;
 import org.chromium.chrome.browser.externalnav.ExternalNavigationDelegateImpl;
 import org.chromium.chrome.browser.preferences.ChromePreferenceManager;
 import org.chromium.chrome.browser.util.IntentUtils;
 import org.chromium.content_public.browser.WebContents;
 
@@ skipping 24 matching lines @@
 
     protected static final String TRUSTED_REFERRER_PKG_EXTRA =
             "com.google.android.gms.instantapps.TRUSTED_REFERRER_PKG";
 
     public static final String IS_GOOGLE_SEARCH_REFERRER =
             "com.google.android.gms.instantapps.IS_GOOGLE_SEARCH_REFERRER";
 
     private static final String BROWSER_LAUNCH_REASON =
             "com.google.android.gms.instantapps.BROWSER_LAUNCH_REASON";
 
+    private static final String SUPERVISOR_PKG = "com.google.android.instantapps.supervisor";
+
+    private static final String[] SUPERVISOR_START_ACTIONS = {
+            "com.google.android.instantapps.START", "com.google.android.instantapps.nmr1.INSTALL",
+            "com.google.android.instantapps.nmr1.VIEW"};
+
+    // Instant Apps system resolver activity on N-MR1+.
+    @VisibleForTesting
+    public static final String EPHEMERAL_INSTALLER_CLASS =
+            "com.google.android.gms.instantapps.routing.EphemeralInstallerActivity";
+
     /** Finch experiment name. */
     private static final String INSTANT_APPS_EXPERIMENT_NAME = "InstantApps";
 
     /** Finch experiment group which is enabled for instant apps. */
     private static final String INSTANT_APPS_ENABLED_ARM = "InstantAppsEnabled";
 
     /** Finch experiment group which is disabled for instant apps. */
     private static final String INSTANT_APPS_DISABLED_ARM = "InstantAppsDisabled";
 
     /** A histogram to record how long each handleIntent() call took. */
@@ skipping 32 matching lines @@
     public static InstantAppsHandler getInstance() {
         synchronized (INSTANCE_LOCK) {
             if (sInstance == null) {
                 sInstance = AppHooks.get().createInstantAppsHandler();
             }
         }
         return sInstance;
     }
 
     /**
+     * Checks whether {@param intent} is for an Instant App. Considers both package and actions that
+     * would resolve to Supervisor.
+     * @return Whether the given intent is going to open an Instant App.
+     */
+    public static boolean isIntentToInstantApp(Intent intent) {
+        if (SUPERVISOR_PKG.equals(intent.getPackage())) return true;
+
+        String intentAction = intent.getAction();
+        for (String action : SUPERVISOR_START_ACTIONS) {
+            if (action.equals(intentAction)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    /**
      * Record how long the handleIntent() method took.
      * @param startTime The timestamp for handleIntent start time.
      */
     private void recordHandleIntentDuration(long startTime) {
         sHandleIntentDuration.record(SystemClock.elapsedRealtime() - startTime);
     }
 
     /**
      * Record the amount of time spent in the instant apps API call.
      * @param startTime The time at which we started doing computations.
@@ skipping 193 matching lines @@
 
     /**
      * Gets the instant app intent for the given URL if one exists.
      *
      * @param url The URL whose instant app this is associated with.
      * @return An instant app intent for the URL if one exists.
      */
     public Intent getInstantAppIntentForUrl(String url) {
         return null;
     }
+
+    /**
+     * Whether the given ResolveInfo object refers to Instant Apps as a launcher.
+     * @param info The resolve info.
+     */
+    public boolean isInstantAppResolveInfo(ResolveInfo info) {
+        if (info == null || info.activityInfo == null) return false;
+        return EPHEMERAL_INSTALLER_CLASS.equals(info.activityInfo.name);
+    }
 }