Merge "Make public getFragments() and onGetLayoutInflater() methods" into oc-dev am: c8d8c27c68
am: abea405064

Change-Id: Ib8bf2e7e6e0403f17c7f58f31a26554ca74f3272
diff --git a/api/current.txt b/api/current.txt
index f3de13a..aa74aa5 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -4609,6 +4609,7 @@
     method public void onDestroyOptionsMenu();
     method public void onDestroyView();
     method public void onDetach();
+    method public android.view.LayoutInflater onGetLayoutInflater(android.os.Bundle);
     method public void onHiddenChanged(boolean);
     method public deprecated void onInflate(android.util.AttributeSet, android.os.Bundle);
     method public void onInflate(android.content.Context, android.util.AttributeSet, android.os.Bundle);
@@ -4763,6 +4764,7 @@
     method public abstract android.app.FragmentManager.BackStackEntry getBackStackEntryAt(int);
     method public abstract int getBackStackEntryCount();
     method public abstract android.app.Fragment getFragment(android.os.Bundle, java.lang.String);
+    method public abstract java.util.List<android.app.Fragment> getFragments();
     method public abstract android.app.Fragment getPrimaryNavigationFragment();
     method public void invalidateOptionsMenu();
     method public abstract boolean isDestroyed();
diff --git a/api/system-current.txt b/api/system-current.txt
index 0b8017d..463ec55 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -4768,6 +4768,7 @@
     method public void onDestroyOptionsMenu();
     method public void onDestroyView();
     method public void onDetach();
+    method public android.view.LayoutInflater onGetLayoutInflater(android.os.Bundle);
     method public void onHiddenChanged(boolean);
     method public deprecated void onInflate(android.util.AttributeSet, android.os.Bundle);
     method public void onInflate(android.content.Context, android.util.AttributeSet, android.os.Bundle);
@@ -4922,6 +4923,7 @@
     method public abstract android.app.FragmentManager.BackStackEntry getBackStackEntryAt(int);
     method public abstract int getBackStackEntryCount();
     method public abstract android.app.Fragment getFragment(android.os.Bundle, java.lang.String);
+    method public abstract java.util.List<android.app.Fragment> getFragments();
     method public abstract android.app.Fragment getPrimaryNavigationFragment();
     method public void invalidateOptionsMenu();
     method public abstract boolean isDestroyed();
diff --git a/api/test-current.txt b/api/test-current.txt
index 7bfb394..ca9f4748 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -4621,6 +4621,7 @@
     method public void onDestroyOptionsMenu();
     method public void onDestroyView();
     method public void onDetach();
+    method public android.view.LayoutInflater onGetLayoutInflater(android.os.Bundle);
     method public void onHiddenChanged(boolean);
     method public deprecated void onInflate(android.util.AttributeSet, android.os.Bundle);
     method public void onInflate(android.content.Context, android.util.AttributeSet, android.os.Bundle);
@@ -4775,6 +4776,7 @@
     method public abstract android.app.FragmentManager.BackStackEntry getBackStackEntryAt(int);
     method public abstract int getBackStackEntryCount();
     method public abstract android.app.Fragment getFragment(android.os.Bundle, java.lang.String);
+    method public abstract java.util.List<android.app.Fragment> getFragments();
     method public abstract android.app.Fragment getPrimaryNavigationFragment();
     method public void invalidateOptionsMenu();
     method public abstract boolean isDestroyed();
diff --git a/core/java/android/app/DialogFragment.java b/core/java/android/app/DialogFragment.java
index 3198c7c..7e0e4d8 100644
--- a/core/java/android/app/DialogFragment.java
+++ b/core/java/android/app/DialogFragment.java
@@ -398,9 +398,9 @@
 
     /** @hide */
     @Override
-    public LayoutInflater getLayoutInflater(Bundle savedInstanceState) {
+    public LayoutInflater onGetLayoutInflater(Bundle savedInstanceState) {
         if (!mShowsDialog) {
-            return super.getLayoutInflater(savedInstanceState);
+            return super.onGetLayoutInflater(savedInstanceState);
         }
 
         mDialog = onCreateDialog(savedInstanceState);
diff --git a/core/java/android/app/Fragment.java b/core/java/android/app/Fragment.java
index 44fefd3..02fe101 100644
--- a/core/java/android/app/Fragment.java
+++ b/core/java/android/app/Fragment.java
@@ -31,7 +31,6 @@
 import android.os.Build;
 import android.os.Build.VERSION_CODES;
 import android.os.Bundle;
-import android.os.Handler;
 import android.os.Looper;
 import android.os.Parcel;
 import android.os.Parcelable;
@@ -1357,11 +1356,16 @@
     }
 
     /**
-     * @hide Hack so that DialogFragment can make its Dialog before creating
-     * its views, and the view construction can use the dialog's context for
-     * inflation.  Maybe this should become a public API. Note sure.
+     * Returns the LayoutInflater used to inflate Views of this Fragment. The default
+     * implementation will throw an exception if the Fragment is not attached.
+     *
+     * @return The LayoutInflater used to inflate Views of this Fragment.
      */
-    public LayoutInflater getLayoutInflater(Bundle savedInstanceState) {
+    public LayoutInflater onGetLayoutInflater(Bundle savedInstanceState) {
+        if (mHost == null) {
+            throw new IllegalStateException("onGetLayoutInflater() cannot be executed until the "
+                    + "Fragment is attached to the FragmentManager.");
+        }
         final LayoutInflater result = mHost.onGetLayoutInflater();
         if (mHost.onUseFragmentManagerInflaterFactory()) {
             getChildFragmentManager(); // Init if needed; use raw implementation below.
diff --git a/core/java/android/app/FragmentManager.java b/core/java/android/app/FragmentManager.java
index d710d8b..73d51bd 100644
--- a/core/java/android/app/FragmentManager.java
+++ b/core/java/android/app/FragmentManager.java
@@ -54,6 +54,7 @@
 import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.CopyOnWriteArrayList;
 
@@ -312,6 +313,16 @@
     public abstract Fragment getFragment(Bundle bundle, String key);
 
     /**
+     * Get a list of all fragments that are currently added to the FragmentManager.
+     * This may include those that are hidden as well as those that are shown.
+     * This will not include any fragments only in the back stack, or fragments that
+     * are detached or removed.
+     *
+     * @return A list of all fragments that are added to the FragmentManager.
+     */
+    public abstract List<Fragment> getFragments();
+
+    /**
      * Save the current instance state of the given Fragment.  This can be
      * used later when creating a new instance of the Fragment and adding
      * it to the fragment manager, to have it create itself to match the
@@ -895,6 +906,16 @@
     }
 
     @Override
+    public List<Fragment> getFragments() {
+        if (mAdded == null) {
+            return Collections.EMPTY_LIST;
+        }
+        synchronized (mAdded) {
+            return (List<Fragment>) mAdded.clone();
+        }
+    }
+
+    @Override
     public Fragment.SavedState saveFragmentInstanceState(Fragment fragment) {
         if (fragment.mIndex < 0) {
             throwException(new IllegalStateException("Fragment " + fragment
@@ -1226,7 +1247,7 @@
                                 }
                             }
                             f.mContainer = container;
-                            f.mView = f.performCreateView(f.getLayoutInflater(
+                            f.mView = f.performCreateView(f.onGetLayoutInflater(
                                     f.mSavedFragmentState), container, f.mSavedFragmentState);
                             if (f.mView != null) {
                                 f.mView.setSaveFromParentEnabled(false);
@@ -1398,7 +1419,7 @@
 
     void ensureInflatedFragmentView(Fragment f) {
         if (f.mFromLayout && !f.mPerformedCreateView) {
-            f.mView = f.performCreateView(f.getLayoutInflater(
+            f.mView = f.performCreateView(f.onGetLayoutInflater(
                     f.mSavedFragmentState), null, f.mSavedFragmentState);
             if (f.mView != null) {
                 f.mView.setSaveFromParentEnabled(false);
@@ -1620,7 +1641,9 @@
             if (mAdded.contains(fragment)) {
                 throw new IllegalStateException("Fragment already added: " + fragment);
             }
-            mAdded.add(fragment);
+            synchronized (mAdded) {
+                mAdded.add(fragment);
+            }
             fragment.mAdded = true;
             fragment.mRemoving = false;
             if (fragment.mView == null) {
@@ -1648,7 +1671,9 @@
                 }
             }
             if (mAdded != null) {
-                mAdded.remove(fragment);
+                synchronized (mAdded) {
+                    mAdded.remove(fragment);
+                }
             }
             if (fragment.mHasMenu && fragment.mMenuVisible) {
                 mNeedMenuInvalidate = true;
@@ -1698,7 +1723,9 @@
                 // We are not already in back stack, so need to remove the fragment.
                 if (mAdded != null) {
                     if (DEBUG) Log.v(TAG, "remove from detach: " + fragment);
-                    mAdded.remove(fragment);
+                    synchronized (mAdded) {
+                        mAdded.remove(fragment);
+                    }
                 }
                 if (fragment.mHasMenu && fragment.mMenuVisible) {
                     mNeedMenuInvalidate = true;
@@ -1720,7 +1747,9 @@
                     throw new IllegalStateException("Fragment already added: " + fragment);
                 }
                 if (DEBUG) Log.v(TAG, "add from attach: " + fragment);
-                mAdded.add(fragment);
+                synchronized (mAdded) {
+                    mAdded.add(fragment);
+                }
                 fragment.mAdded = true;
                 if (fragment.mHasMenu && fragment.mMenuVisible) {
                     mNeedMenuInvalidate = true;
@@ -2762,7 +2791,9 @@
                 if (mAdded.contains(f)) {
                     throw new IllegalStateException("Already added!");
                 }
-                mAdded.add(f);
+                synchronized (mAdded) {
+                    mAdded.add(f);
+                }
             }
         } else {
             mAdded = null;