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Commit 5df6364d authored by Fan Zhang's avatar Fan Zhang
Browse files

Cross fade escalation card when content changes. 

Fixes: 30079520

Whenever escalation card needs to change content:
- Instead of rebuilding entire data set, rebuild just escalation data.
- Instead of notify entire data set change, only notify the position
  change for escalation card.
This triggers the cross-fade animation in RecyclerView's
DefaultItemAnimator.

Change-Id: Ia19593d852fa6a1c366aecf9330d8274d7295e85
parent 3cd686d4

src/com/android/settings/dashboard/SupportItemAdapter.java

+34 −10
Original line number Diff line number Diff line
@@ -148,7 +148,7 @@ public final class SupportItemAdapter extends RecyclerView.Adapter<SupportItemAd 
    public void setHasInternet(boolean hasInternet) {

        if (mHasInternet != hasInternet) {

            mHasInternet = hasInternet;

            refreshData();

            refreshEscalationCards();

        }

    }
@@ -156,7 +156,7 @@ public final class SupportItemAdapter extends RecyclerView.Adapter<SupportItemAd 
        if (!Objects.equals(mAccount, account)) {

            mAccount = account;

            mSupportFeatureProvider.refreshOperationRules();

            refreshData();

            refreshEscalationCards();

        }

    }
@@ -170,18 +170,42 @@ public final class SupportItemAdapter extends RecyclerView.Adapter<SupportItemAd 
     */

    private void refreshData() {

        mSupportData.clear();

        addEscalationCards();

        addMoreHelpItems();

        notifyDataSetChanged();

    }



    /**

     * Adds 1 escalation card. Based on current phone state, the escalation card can display

     * different content.

     */

    private void addEscalationCards() {

        if (mAccount == null) {

            addSignInPromo();

        } else if (mHasInternet) {

            addEscalationCards();

            addOnlineEscalationCards();

        } else {

            addOfflineEscalationCards();

        }

        addMoreHelpItems();

        notifyDataSetChanged();

    }



    private void addEscalationCards() {

    /**

     * Finds and refreshes escalation card data.

     */

    private void refreshEscalationCards() {

        if (getItemCount() > 0) {

            final int itemType = getItemViewType(0 /* position */);

            if (itemType == TYPE_SIGN_IN_BUTTON

                    || itemType == TYPE_ESCALATION_OPTIONS

                    || itemType == TYPE_ESCALATION_OPTIONS_OFFLINE) {

                mSupportData.remove(0 /* position */);

                addEscalationCards();

                notifyItemChanged(0 /* position */);

            }

        }

    }



    private void addOnlineEscalationCards() {

        final boolean hasPhoneOperation =

                mSupportFeatureProvider.isSupportTypeEnabled(mActivity, PHONE);

        final boolean hasChatOperation =
@@ -218,7 +242,7 @@ public final class SupportItemAdapter extends RecyclerView.Adapter<SupportItemAd 
                    .setSummary2(mSupportFeatureProvider.getEstimatedWaitTime(mActivity, CHAT))

                    .setEnabled2(mSupportFeatureProvider.isOperatingNow(CHAT));

        }

        mSupportData.add(builder.build());

        mSupportData.add(0 /* index */, builder.build());

    }



    private void addOfflineEscalationCards() {
@@ -231,7 +255,7 @@ public final class SupportItemAdapter extends RecyclerView.Adapter<SupportItemAd 
            operatingHours = mSupportFeatureProvider.getOperationHours(mActivity,

                    PHONE, mSelectedCountry, false /* hasInternet */);

        }

        mSupportData.add(new OfflineEscalationData.Builder(mActivity)

        mSupportData.add(0 /* index */, new OfflineEscalationData.Builder(mActivity)

                .setCountries(mSupportFeatureProvider.getPhoneSupportCountries())

                .setTollFreePhone(mSupportFeatureProvider.getSupportPhones(

                        mSelectedCountry, true /* isTollFree */))
@@ -245,7 +269,7 @@ public final class SupportItemAdapter extends RecyclerView.Adapter<SupportItemAd 
    }



    private void addSignInPromo() {

        mSupportData.add(new EscalationData.Builder(mActivity, TYPE_SIGN_IN_BUTTON)

        mSupportData.add(0 /* index */, new EscalationData.Builder(mActivity, TYPE_SIGN_IN_BUTTON)

                .setText1(R.string.support_sign_in_button_text)

                .setText2(R.string.support_sign_in_required_help)

                .setTileTitle(R.string.support_sign_in_required_title)
@@ -437,7 +461,7 @@ public final class SupportItemAdapter extends RecyclerView.Adapter<SupportItemAd 
            final String selectedCountry = countryCodes.get(position);

            if (!TextUtils.equals(selectedCountry, mSelectedCountry)) {

                mSelectedCountry = selectedCountry;

                refreshData();

                refreshEscalationCards();

            }

        }