| /* |
| * Copyright (C) 2012 Google Inc. |
| * Licensed to The Android Open Source Project. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.mail.ui; |
| |
| import android.animation.LayoutTransition; |
| import android.app.Activity; |
| import android.app.Fragment; |
| import android.app.LoaderManager; |
| import android.content.Intent; |
| import android.content.res.Resources; |
| import android.database.DataSetObserver; |
| import android.net.Uri; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.Parcelable; |
| import androidx.annotation.IdRes; |
| import androidx.swiperefreshlayout.widget.SwipeRefreshLayout.OnRefreshListener; |
| import android.view.KeyEvent; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.AbsListView; |
| import android.widget.AdapterView; |
| import android.widget.AdapterView.OnItemLongClickListener; |
| import android.widget.ListView; |
| import android.widget.TextView; |
| |
| import com.android.mail.ConversationListContext; |
| import com.android.mail.R; |
| import com.android.mail.analytics.Analytics; |
| import com.android.mail.analytics.AnalyticsTimer; |
| import com.android.mail.browse.ConversationCursor; |
| import com.android.mail.browse.ConversationItemView; |
| import com.android.mail.browse.ConversationItemViewModel; |
| import com.android.mail.browse.ConversationListFooterView; |
| import com.android.mail.browse.ToggleableItem; |
| import com.android.mail.providers.Account; |
| import com.android.mail.providers.AccountObserver; |
| import com.android.mail.providers.Conversation; |
| import com.android.mail.providers.Folder; |
| import com.android.mail.providers.FolderObserver; |
| import com.android.mail.providers.Settings; |
| import com.android.mail.providers.UIProvider; |
| import com.android.mail.providers.UIProvider.AccountCapabilities; |
| import com.android.mail.providers.UIProvider.ConversationListIcon; |
| import com.android.mail.providers.UIProvider.FolderCapabilities; |
| import com.android.mail.providers.UIProvider.Swipe; |
| import com.android.mail.ui.SwipeableListView.ListItemSwipedListener; |
| import com.android.mail.ui.SwipeableListView.ListItemsRemovedListener; |
| import com.android.mail.ui.SwipeableListView.SwipeListener; |
| import com.android.mail.ui.ViewMode.ModeChangeListener; |
| import com.android.mail.utils.KeyboardUtils; |
| import com.android.mail.utils.LogTag; |
| import com.android.mail.utils.LogUtils; |
| import com.android.mail.utils.Utils; |
| import com.android.mail.utils.ViewUtils; |
| import com.google.common.collect.ImmutableList; |
| |
| import java.util.Collection; |
| import java.util.List; |
| |
| import static android.view.View.OnKeyListener; |
| |
| /** |
| * The conversation list UI component. |
| */ |
| public final class ConversationListFragment extends Fragment implements |
| OnItemLongClickListener, ModeChangeListener, ListItemSwipedListener, OnRefreshListener, |
| SwipeListener, OnKeyListener, AdapterView.OnItemClickListener, View.OnClickListener, |
| AbsListView.OnScrollListener { |
| /** Key used to pass data to {@link ConversationListFragment}. */ |
| private static final String CONVERSATION_LIST_KEY = "conversation-list"; |
| /** Key used to keep track of the scroll state of the list. */ |
| private static final String LIST_STATE_KEY = "list-state"; |
| |
| private static final String LOG_TAG = LogTag.getLogTag(); |
| /** Key used to save the ListView choice mode, since ListView doesn't save it automatically! */ |
| private static final String CHOICE_MODE_KEY = "choice-mode-key"; |
| |
| // True if we are on a tablet device |
| private static boolean mTabletDevice; |
| |
| // Delay before displaying the loading view. |
| private static int LOADING_DELAY_MS; |
| // Minimum amount of time to keep the loading view displayed. |
| private static int MINIMUM_LOADING_DURATION; |
| |
| /** |
| * Frequency of update of timestamps. Initialized in |
| * {@link #onCreate(Bundle)} and final afterwards. |
| */ |
| private static int TIMESTAMP_UPDATE_INTERVAL = 0; |
| |
| private ControllableActivity mActivity; |
| |
| // Control state. |
| private ConversationListCallbacks mCallbacks; |
| |
| private final Handler mHandler = new Handler(); |
| |
| // The internal view objects. |
| private SwipeableListView mListView; |
| |
| private View mSearchHeaderView; |
| private TextView mSearchResultCountTextView; |
| |
| /** |
| * Current Account being viewed |
| */ |
| private Account mAccount; |
| /** |
| * Current folder being viewed. |
| */ |
| private Folder mFolder; |
| |
| /** |
| * A simple method to update the timestamps of conversations periodically. |
| */ |
| private Runnable mUpdateTimestampsRunnable = null; |
| |
| private ConversationListContext mViewContext; |
| |
| private AnimatedAdapter mListAdapter; |
| |
| private ConversationListFooterView mFooterView; |
| private ConversationListEmptyView mEmptyView; |
| private View mSecurityHoldView; |
| private TextView mSecurityHoldText; |
| private View mSecurityHoldButton; |
| private View mLoadingView; |
| private ErrorListener mErrorListener; |
| private FolderObserver mFolderObserver; |
| private DataSetObserver mConversationCursorObserver; |
| |
| private ConversationCheckedSet mCheckedSet; |
| private final AccountObserver mAccountObserver = new AccountObserver() { |
| @Override |
| public void onChanged(Account newAccount) { |
| mAccount = newAccount; |
| setSwipeAction(); |
| } |
| }; |
| private ConversationUpdater mUpdater; |
| /** Hash of the Conversation Cursor we last obtained from the controller. */ |
| private int mConversationCursorHash; |
| // The number of items in the last known ConversationCursor |
| private int mConversationCursorLastCount; |
| // State variable to keep track if we just loaded a new list, used for analytics only |
| // True if NO DATA has returned, false if we either partially or fully loaded the data |
| private boolean mInitialCursorLoading; |
| |
| private @IdRes int mNextFocusStartId; |
| // Tracks if a onKey event was initiated from the listview (received ACTION_DOWN before |
| // ACTION_UP). If not, the listview only receives ACTION_UP. |
| private boolean mKeyInitiatedFromList; |
| |
| // Default color id for what background should be while idle |
| private int mDefaultListBackgroundColor; |
| |
| /** Duration, in milliseconds, of the CAB mode (peek icon) animation. */ |
| private static long sSelectionModeAnimationDuration = -1; |
| |
| // Let's ensure that we are only showing one out of the three views at once |
| private void showListView() { |
| setupEmptyIcon(false); |
| mListView.setVisibility(View.VISIBLE); |
| mEmptyView.setVisibility(View.INVISIBLE); |
| mLoadingView.setVisibility(View.INVISIBLE); |
| mSecurityHoldView.setVisibility(View.INVISIBLE); |
| } |
| |
| private void showSecurityHoldView() { |
| setupEmptyIcon(false); |
| mListView.setVisibility(View.INVISIBLE); |
| mEmptyView.setVisibility(View.INVISIBLE); |
| mLoadingView.setVisibility(View.INVISIBLE); |
| setupSecurityHoldView(); |
| mSecurityHoldView.setVisibility(View.VISIBLE); |
| } |
| |
| private void showEmptyView() { |
| // If the callbacks didn't set up the empty icon, then we should show it in the empty view. |
| final boolean shouldShowIcon = !setupEmptyIcon(true); |
| mEmptyView.setupEmptyText(mFolder, mViewContext.searchQuery, |
| mListAdapter.getBidiFormatter(), shouldShowIcon); |
| mListView.setVisibility(View.INVISIBLE); |
| mEmptyView.setVisibility(View.VISIBLE); |
| mLoadingView.setVisibility(View.INVISIBLE); |
| mSecurityHoldView.setVisibility(View.INVISIBLE); |
| } |
| |
| private void showLoadingView() { |
| setupEmptyIcon(false); |
| mListView.setVisibility(View.INVISIBLE); |
| mEmptyView.setVisibility(View.INVISIBLE); |
| mLoadingView.setVisibility(View.VISIBLE); |
| mSecurityHoldView.setVisibility(View.INVISIBLE); |
| } |
| |
| private boolean setupEmptyIcon(boolean isEmpty) { |
| return mCallbacks != null && mCallbacks.setupEmptyIconView(mFolder, isEmpty); |
| } |
| |
| private void setupSecurityHoldView() { |
| mSecurityHoldText.setText(getString(R.string.security_hold_required_text, |
| mAccount.getDisplayName())); |
| } |
| |
| private final Runnable mLoadingViewRunnable = new FragmentRunnable("LoadingRunnable", this) { |
| @Override |
| public void go() { |
| if (!isCursorReadyToShow()) { |
| mCanTakeDownLoadingView = false; |
| showLoadingView(); |
| mHandler.removeCallbacks(mHideLoadingRunnable); |
| mHandler.postDelayed(mHideLoadingRunnable, MINIMUM_LOADING_DURATION); |
| } |
| mLoadingViewPending = false; |
| } |
| }; |
| |
| private final Runnable mHideLoadingRunnable = new FragmentRunnable("CancelLoading", this) { |
| @Override |
| public void go() { |
| mCanTakeDownLoadingView = true; |
| if (isCursorReadyToShow()) { |
| hideLoadingViewAndShowContents(); |
| } |
| } |
| }; |
| |
| // Keep track of if we are waiting for the loading view. This variable is also used to check |
| // if the cursor corresponding to the current folder loaded (either partially or completely). |
| private boolean mLoadingViewPending; |
| private boolean mCanTakeDownLoadingView; |
| |
| /** |
| * If <code>true</code>, we have restored (or attempted to restore) the list's scroll position |
| * from when we were last on this conversation list. |
| */ |
| private boolean mScrollPositionRestored = false; |
| private MailSwipeRefreshLayout mSwipeRefreshWidget; |
| |
| /** |
| * Constructor needs to be public to handle orientation changes and activity |
| * lifecycle events. |
| */ |
| public ConversationListFragment() { |
| super(); |
| } |
| |
| @Override |
| public void onBeginSwipe() { |
| mSwipeRefreshWidget.setEnabled(false); |
| } |
| |
| @Override |
| public void onEndSwipe() { |
| mSwipeRefreshWidget.setEnabled(true); |
| } |
| |
| private class ConversationCursorObserver extends DataSetObserver { |
| @Override |
| public void onChanged() { |
| onConversationListStatusUpdated(); |
| } |
| } |
| |
| /** |
| * Creates a new instance of {@link ConversationListFragment}, initialized |
| * to display conversation list context. |
| */ |
| public static ConversationListFragment newInstance(ConversationListContext viewContext) { |
| final ConversationListFragment fragment = new ConversationListFragment(); |
| final Bundle args = new Bundle(1); |
| args.putBundle(CONVERSATION_LIST_KEY, viewContext.toBundle()); |
| fragment.setArguments(args); |
| return fragment; |
| } |
| |
| /** |
| * Show the header if the current conversation list is showing search |
| * results. |
| */ |
| private void updateSearchResultHeader(int count) { |
| if (mActivity == null || mSearchHeaderView == null) { |
| return; |
| } |
| mSearchResultCountTextView.setText( |
| getResources().getString(R.string.search_results_loaded, count)); |
| } |
| |
| @Override |
| public void onActivityCreated(Bundle savedState) { |
| super.onActivityCreated(savedState); |
| mLoadingViewPending = false; |
| mCanTakeDownLoadingView = true; |
| if (sSelectionModeAnimationDuration < 0) { |
| sSelectionModeAnimationDuration = getResources().getInteger( |
| R.integer.conv_item_view_cab_anim_duration); |
| } |
| |
| // Strictly speaking, we get back an android.app.Activity from |
| // getActivity. However, the |
| // only activity creating a ConversationListContext is a MailActivity |
| // which is of type |
| // ControllableActivity, so this cast should be safe. If this cast |
| // fails, some other |
| // activity is creating ConversationListFragments. This activity must be |
| // of type |
| // ControllableActivity. |
| final Activity activity = getActivity(); |
| if (!(activity instanceof ControllableActivity)) { |
| LogUtils.e(LOG_TAG, "ConversationListFragment expects only a ControllableActivity to" |
| + "create it. Cannot proceed."); |
| } |
| mActivity = (ControllableActivity) activity; |
| // Since we now have a controllable activity, load the account from it, |
| // and register for |
| // future account changes. |
| mAccount = mAccountObserver.initialize(mActivity.getAccountController()); |
| mCallbacks = mActivity.getListHandler(); |
| mErrorListener = mActivity.getErrorListener(); |
| // Start off with the current state of the folder being viewed. |
| final LayoutInflater inflater = LayoutInflater.from(mActivity.getActivityContext()); |
| mFooterView = (ConversationListFooterView) inflater.inflate( |
| R.layout.conversation_list_footer_view, null); |
| mFooterView.setClickListener(mActivity); |
| final ConversationCursor conversationCursor = getConversationListCursor(); |
| final LoaderManager manager = getLoaderManager(); |
| |
| // TODO: These special views are always created, doesn't matter whether they will |
| // be shown or not, as we add more views this will get more expensive. Given these are |
| // tips that are only shown once to the user, we should consider creating these on demand. |
| final ConversationListHelper helper = mActivity.getConversationListHelper(); |
| final List<ConversationSpecialItemView> specialItemViews = helper != null ? |
| ImmutableList.copyOf(helper.makeConversationListSpecialViews( |
| activity, mActivity, mAccount)) |
| : null; |
| if (specialItemViews != null) { |
| // Attach to the LoaderManager |
| for (final ConversationSpecialItemView view : specialItemViews) { |
| view.bindFragment(manager, savedState); |
| } |
| } |
| |
| mListAdapter = new AnimatedAdapter(mActivity.getApplicationContext(), conversationCursor, |
| mActivity.getCheckedSet(), mActivity, mListView, specialItemViews); |
| mListAdapter.addFooter(mFooterView); |
| // Show search result header only if we are in search mode |
| final boolean showSearchHeader = ConversationListContext.isSearchResult(mViewContext); |
| if (showSearchHeader) { |
| mSearchHeaderView = inflater.inflate(R.layout.search_results_view, null); |
| mSearchResultCountTextView = (TextView) |
| mSearchHeaderView.findViewById(R.id.search_result_count_view); |
| mListAdapter.addHeader(mSearchHeaderView); |
| } |
| |
| mListView.setAdapter(mListAdapter); |
| mCheckedSet = mActivity.getCheckedSet(); |
| mListView.setCheckedSet(mCheckedSet); |
| mListAdapter.setFooterVisibility(false); |
| mFolderObserver = new FolderObserver(){ |
| @Override |
| public void onChanged(Folder newFolder) { |
| onFolderUpdated(newFolder); |
| } |
| }; |
| mFolderObserver.initialize(mActivity.getFolderController()); |
| mConversationCursorObserver = new ConversationCursorObserver(); |
| mUpdater = mActivity.getConversationUpdater(); |
| mUpdater.registerConversationListObserver(mConversationCursorObserver); |
| mTabletDevice = Utils.useTabletUI(mActivity.getApplicationContext().getResources()); |
| |
| // Shadow mods to TL require background changes and scroll listening to avoid overdraw |
| mDefaultListBackgroundColor = |
| getResources().getColor(R.color.conversation_list_background_color); |
| getView().setBackgroundColor(mDefaultListBackgroundColor); |
| mListView.setOnScrollListener(this); |
| |
| // The onViewModeChanged callback doesn't get called when the mode |
| // object is created, so |
| // force setting the mode manually this time around. |
| onViewModeChanged(mActivity.getViewMode().getMode()); |
| mActivity.getViewMode().addListener(this); |
| if (mActivity.getListHandler().shouldPreventListSwipesEntirely()) { |
| mListView.preventSwipesEntirely(); |
| } else { |
| mListView.stopPreventingSwipes(); |
| } |
| |
| if (mActivity.isFinishing()) { |
| // Activity is finishing, just bail. |
| return; |
| } |
| mConversationCursorHash = (conversationCursor == null) ? 0 : conversationCursor.hashCode(); |
| // Belt and suspenders here; make sure we do any necessary sync of the |
| // ConversationCursor |
| if (conversationCursor != null && conversationCursor.isRefreshReady()) { |
| conversationCursor.sync(); |
| } |
| |
| // On a phone we never highlight a conversation, so the default is to select none. |
| // On a tablet, we highlight a SINGLE conversation in landscape conversation view. |
| int choice = getDefaultChoiceMode(mTabletDevice); |
| if (savedState != null) { |
| // Restore the choice mode if it was set earlier, or NONE if creating a fresh view. |
| // Choice mode here represents the current conversation only. CAB mode does not rely on |
| // the platform: checked state is a local variable {@link ConversationItemView#mChecked} |
| choice = savedState.getInt(CHOICE_MODE_KEY, choice); |
| if (savedState.containsKey(LIST_STATE_KEY)) { |
| // TODO: find a better way to unset the selected item when restoring |
| mListView.clearChoices(); |
| } |
| } |
| setChoiceMode(choice); |
| |
| // Show list and start loading list. |
| showList(); |
| ToastBarOperation pendingOp = mActivity.getPendingToastOperation(); |
| if (pendingOp != null) { |
| // Clear the pending operation |
| mActivity.setPendingToastOperation(null); |
| mActivity.onUndoAvailable(pendingOp); |
| } |
| } |
| |
| /** |
| * Returns the default choice mode for the list based on whether the list is displayed on tablet |
| * or not. |
| * @param isTablet |
| * @return |
| */ |
| private final static int getDefaultChoiceMode(boolean isTablet) { |
| return isTablet ? ListView.CHOICE_MODE_SINGLE : ListView.CHOICE_MODE_NONE; |
| } |
| |
| public AnimatedAdapter getAnimatedAdapter() { |
| return mListAdapter; |
| } |
| |
| @Override |
| public void onCreate(Bundle savedState) { |
| super.onCreate(savedState); |
| |
| // Initialize fragment constants from resources |
| final Resources res = getResources(); |
| TIMESTAMP_UPDATE_INTERVAL = res.getInteger(R.integer.timestamp_update_interval); |
| LOADING_DELAY_MS = res.getInteger(R.integer.conversationview_show_loading_delay); |
| MINIMUM_LOADING_DURATION = res.getInteger(R.integer.conversationview_min_show_loading); |
| mUpdateTimestampsRunnable = new Runnable() { |
| @Override |
| public void run() { |
| mListView.invalidateViews(); |
| mHandler.postDelayed(mUpdateTimestampsRunnable, TIMESTAMP_UPDATE_INTERVAL); |
| } |
| }; |
| |
| // Get the context from the arguments |
| final Bundle args = getArguments(); |
| mViewContext = ConversationListContext.forBundle(args.getBundle(CONVERSATION_LIST_KEY)); |
| mAccount = mViewContext.account; |
| |
| setRetainInstance(false); |
| } |
| |
| @Override |
| public String toString() { |
| final String s = super.toString(); |
| if (mViewContext == null) { |
| return s; |
| } |
| final StringBuilder sb = new StringBuilder(s); |
| sb.setLength(sb.length() - 1); |
| sb.append(" mListAdapter="); |
| sb.append(mListAdapter); |
| sb.append(" folder="); |
| sb.append(mViewContext.folder); |
| if (mListView != null) { |
| sb.append(" selectedPos="); |
| sb.append(mListView.getSelectedConversationPosDebug()); |
| sb.append(" listSelectedPos="); |
| sb.append(mListView.getSelectedItemPosition()); |
| sb.append(" isListInTouchMode="); |
| sb.append(mListView.isInTouchMode()); |
| } |
| sb.append("}"); |
| return sb.toString(); |
| } |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedState) { |
| View rootView = inflater.inflate(R.layout.conversation_list, null); |
| mEmptyView = (ConversationListEmptyView) rootView.findViewById(R.id.empty_view); |
| mSecurityHoldView = rootView.findViewById(R.id.security_hold_view); |
| mSecurityHoldText = (TextView) rootView.findViewById(R.id.security_hold_text); |
| mSecurityHoldButton = rootView.findViewById(R.id.security_hold_button); |
| mSecurityHoldButton.setOnClickListener(this); |
| mLoadingView = rootView.findViewById(R.id.conversation_list_loading_view); |
| mListView = (SwipeableListView) rootView.findViewById(R.id.conversation_list_view); |
| mListView.setHeaderDividersEnabled(false); |
| mListView.setOnItemLongClickListener(this); |
| mListView.enableSwipe(mAccount.supportsCapability(AccountCapabilities.UNDO)); |
| mListView.setListItemSwipedListener(this); |
| mListView.setSwipeListener(this); |
| mListView.setOnKeyListener(this); |
| mListView.setOnItemClickListener(this); |
| |
| // For tablets, the default left focus is the mini-drawer |
| if (mTabletDevice && mNextFocusStartId == 0) { |
| mNextFocusStartId = R.id.mini_drawer; |
| } |
| setNextFocusStartOnList(); |
| |
| // enable animateOnLayout (equivalent of setLayoutTransition) only for >=JB (b/14302062) |
| if (Utils.isRunningJellybeanOrLater()) { |
| ((ViewGroup) rootView.findViewById(R.id.conversation_list_parent_frame)) |
| .setLayoutTransition(new LayoutTransition()); |
| } |
| |
| // By default let's show the list view |
| showListView(); |
| |
| if (savedState != null && savedState.containsKey(LIST_STATE_KEY)) { |
| mListView.onRestoreInstanceState(savedState.getParcelable(LIST_STATE_KEY)); |
| } |
| mSwipeRefreshWidget = |
| (MailSwipeRefreshLayout) rootView.findViewById(R.id.swipe_refresh_widget); |
| mSwipeRefreshWidget.setColorScheme(R.color.swipe_refresh_color1, |
| R.color.swipe_refresh_color2, |
| R.color.swipe_refresh_color3, R.color.swipe_refresh_color4); |
| mSwipeRefreshWidget.setOnRefreshListener(this); |
| mSwipeRefreshWidget.setScrollableChild(mListView); |
| |
| return rootView; |
| } |
| |
| /** |
| * Sets the choice mode of the list view |
| */ |
| private final void setChoiceMode(int choiceMode) { |
| mListView.setChoiceMode(choiceMode); |
| } |
| |
| /** |
| * Tell the list to select nothing. |
| */ |
| public final void setChoiceNone() { |
| // On a phone, the default choice mode is already none, so nothing to do. |
| if (!mTabletDevice) { |
| return; |
| } |
| clearChoicesAndActivated(); |
| setChoiceMode(ListView.CHOICE_MODE_NONE); |
| } |
| |
| /** |
| * Tell the list to get out of selecting none. |
| */ |
| public final void revertChoiceMode() { |
| // On a phone, the default choice mode is always none, so nothing to do. |
| if (!mTabletDevice) { |
| return; |
| } |
| setChoiceMode(getDefaultChoiceMode(mTabletDevice)); |
| } |
| |
| @Override |
| public void onDestroy() { |
| super.onDestroy(); |
| } |
| |
| @Override |
| public void onDestroyView() { |
| |
| // Clear the list's adapter |
| mListAdapter.destroy(); |
| mListView.setAdapter(null); |
| |
| mActivity.getViewMode().removeListener(this); |
| if (mFolderObserver != null) { |
| mFolderObserver.unregisterAndDestroy(); |
| mFolderObserver = null; |
| } |
| if (mConversationCursorObserver != null) { |
| mUpdater.unregisterConversationListObserver(mConversationCursorObserver); |
| mConversationCursorObserver = null; |
| } |
| mAccountObserver.unregisterAndDestroy(); |
| getAnimatedAdapter().cleanup(); |
| super.onDestroyView(); |
| } |
| |
| /** |
| * There are three binary variables, which determine what we do with a |
| * message. checkbEnabled: Whether check boxes are enabled or not (forced |
| * true on tablet) cabModeOn: Whether CAB mode is currently on or not. |
| * pressType: long or short tap (There is a third possibility: phone or |
| * tablet, but they have <em>identical</em> behavior) The matrix of |
| * possibilities is: |
| * <p> |
| * Long tap: Always toggle selection of conversation. If CAB mode is not |
| * started, then start it. |
| * <pre> |
| * | Checkboxes | No Checkboxes |
| * ----------+------------+--------------- |
| * CAB mode | Select | Select |
| * List mode | Select | Select |
| * |
| * </pre> |
| * |
| * Reference: http://b/issue?id=6392199 |
| * <p> |
| * {@inheritDoc} |
| */ |
| @Override |
| public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) { |
| // Ignore anything that is not a conversation item. Could be a footer. |
| if (!(view instanceof ConversationItemView)) { |
| return false; |
| } |
| return ((ConversationItemView) view).toggleCheckedState("long_press"); |
| } |
| |
| /** |
| * See the comment for |
| * {@link #onItemLongClick(AdapterView, View, int, long)}. |
| * <p> |
| * Short tap behavior: |
| * |
| * <pre> |
| * | Checkboxes | No Checkboxes |
| * ----------+------------+--------------- |
| * CAB mode | Peek | Select |
| * List mode | Peek | Peek |
| * </pre> |
| * |
| * Reference: http://b/issue?id=6392199 |
| * <p> |
| * {@inheritDoc} |
| */ |
| @Override |
| public void onItemClick(AdapterView<?> adapterView, View view, int position, long id) { |
| onListItemSelected(view, position); |
| } |
| |
| private void onListItemSelected(View view, int position) { |
| if (view instanceof ToggleableItem) { |
| final boolean showSenderImage = |
| (mAccount.settings.convListIcon == ConversationListIcon.SENDER_IMAGE); |
| final boolean inCabMode = !mCheckedSet.isEmpty(); |
| if (!showSenderImage && inCabMode) { |
| ((ToggleableItem) view).toggleCheckedState(); |
| } else { |
| if (inCabMode) { |
| // this is a peek. |
| Analytics.getInstance().sendEvent("peek", null, null, mCheckedSet.size()); |
| } |
| AnalyticsTimer.getInstance().trackStart(AnalyticsTimer.OPEN_CONV_VIEW_FROM_LIST); |
| viewConversation(position); |
| } |
| } else { |
| // Ignore anything that is not a conversation item. Could be a footer. |
| // If we are using a keyboard, the highlighted item is the parent; |
| // otherwise, this is a direct call from the ConverationItemView |
| return; |
| } |
| // When a new list item is clicked, commit any existing leave behind |
| // items. Wait until we have opened the desired conversation to cause |
| // any position changes. |
| commitDestructiveActions(Utils.useTabletUI(mActivity.getActivityContext().getResources())); |
| } |
| |
| @Override |
| public boolean onKey(View view, int keyCode, KeyEvent keyEvent) { |
| if (view instanceof SwipeableListView) { |
| SwipeableListView list = (SwipeableListView) view; |
| // Don't need to handle ENTER because it's auto-handled as a "click". |
| if (KeyboardUtils.isKeycodeDirectionEnd(keyCode, ViewUtils.isViewRtl(list))) { |
| if (keyEvent.getAction() == KeyEvent.ACTION_UP) { |
| if (mKeyInitiatedFromList) { |
| int currentPos = list.getSelectedItemPosition(); |
| if (currentPos < 0) { |
| // Find the activated item if the focused item is non-existent. |
| // This can happen when the user transitions from touch mode. |
| currentPos = list.getCheckedItemPosition(); |
| } |
| if (currentPos >= 0) { |
| // We don't use onListItemSelected because right arrow should always |
| // view the conversation even in CAB/no_sender_image mode. |
| viewConversation(currentPos); |
| commitDestructiveActions(Utils.useTabletUI( |
| mActivity.getActivityContext().getResources())); |
| } |
| } |
| mKeyInitiatedFromList = false; |
| } else if (keyEvent.getAction() == KeyEvent.ACTION_DOWN) { |
| mKeyInitiatedFromList = true; |
| } |
| return true; |
| } else if ((keyCode == KeyEvent.KEYCODE_DPAD_UP || |
| keyCode == KeyEvent.KEYCODE_DPAD_DOWN) && |
| keyEvent.getAction() == KeyEvent.ACTION_UP) { |
| final int position = list.getSelectedItemPosition(); |
| if (position >= 0) { |
| final Object item = getAnimatedAdapter().getItem(position); |
| if (item != null && item instanceof ConversationCursor) { |
| final Conversation conv = ((ConversationCursor) item).getConversation(); |
| mCallbacks.onConversationFocused(conv); |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| |
| if (!isCursorReadyToShow()) { |
| // If the cursor got reset, let's reset the analytics state variable and show the list |
| // view since we are waiting for load again |
| mInitialCursorLoading = true; |
| showListView(); |
| } |
| |
| final ConversationCursor conversationCursor = getConversationListCursor(); |
| if (conversationCursor != null) { |
| conversationCursor.handleNotificationActions(); |
| |
| restoreLastScrolledPosition(); |
| } |
| |
| mCheckedSet.addObserver(mConversationSetObserver); |
| } |
| |
| @Override |
| public void onPause() { |
| super.onPause(); |
| |
| mCheckedSet.removeObserver(mConversationSetObserver); |
| |
| saveLastScrolledPosition(); |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle outState) { |
| super.onSaveInstanceState(outState); |
| if (mListView != null) { |
| outState.putParcelable(LIST_STATE_KEY, mListView.onSaveInstanceState()); |
| outState.putInt(CHOICE_MODE_KEY, mListView.getChoiceMode()); |
| } |
| |
| if (mListAdapter != null) { |
| mListAdapter.saveSpecialItemInstanceState(outState); |
| } |
| } |
| |
| @Override |
| public void onStart() { |
| super.onStart(); |
| mHandler.postDelayed(mUpdateTimestampsRunnable, TIMESTAMP_UPDATE_INTERVAL); |
| Analytics.getInstance().sendView("ConversationListFragment"); |
| } |
| |
| @Override |
| public void onStop() { |
| super.onStop(); |
| mHandler.removeCallbacks(mUpdateTimestampsRunnable); |
| } |
| |
| @Override |
| public void onViewModeChanged(int newMode) { |
| if (mTabletDevice) { |
| if (ViewMode.isListMode(newMode)) { |
| // There are no checked conversations when in conversation list mode. |
| clearChoicesAndActivated(); |
| } |
| } |
| } |
| |
| public boolean isAnimating() { |
| final AnimatedAdapter adapter = getAnimatedAdapter(); |
| if (adapter != null && adapter.isAnimating()) { |
| return true; |
| } |
| final boolean isScrolling = (mListView != null && mListView.isScrolling()); |
| if (isScrolling) { |
| LogUtils.i(LOG_TAG, "CLF.isAnimating=true due to scrolling"); |
| } |
| return isScrolling; |
| } |
| |
| protected void clearChoicesAndActivated() { |
| final int currentChecked = mListView.getCheckedItemPosition(); |
| if (currentChecked != ListView.INVALID_POSITION) { |
| mListView.setItemChecked(currentChecked, false); |
| } |
| } |
| |
| /** |
| * Handles a request to show a new conversation list, either from a search |
| * query or for viewing a folder. This will initiate a data load, and hence |
| * must be called on the UI thread. |
| */ |
| private void showList() { |
| mInitialCursorLoading = true; |
| onFolderUpdated(mActivity.getFolderController().getFolder()); |
| onConversationListStatusUpdated(); |
| |
| // try to get an order-of-magnitude sense for message count within folders |
| // (N.B. this count currently isn't working for search folders, since their counts stream |
| // in over time in pieces.) |
| final Folder f = mViewContext.folder; |
| if (f != null) { |
| final long countLog; |
| if (f.totalCount > 0) { |
| countLog = (long) Math.log10(f.totalCount); |
| } else { |
| countLog = 0; |
| } |
| Analytics.getInstance().sendEvent("view_folder", f.getTypeDescription(), |
| Long.toString(countLog), f.totalCount); |
| } |
| } |
| |
| /** |
| * View the message at the given position. |
| * |
| * @param position The position of the conversation in the list (as opposed to its position |
| * in the cursor) |
| */ |
| private void viewConversation(final int position) { |
| LogUtils.d(LOG_TAG, "ConversationListFragment.viewConversation(%d)", position); |
| |
| final Object item = getAnimatedAdapter().getItem(position); |
| if (item != null && item instanceof ConversationCursor) { |
| final ConversationCursor cursor = (ConversationCursor) item; |
| final Conversation conv = cursor.getConversation(); |
| /* |
| * The cursor position may be different than the position method parameter because of |
| * special views in the list. |
| */ |
| conv.position = cursor.getPosition(); |
| setActivated(conv, true); |
| mCallbacks.onConversationSelected(conv, false /* inLoaderCallbacks */); |
| } else { |
| LogUtils.e(LOG_TAG, |
| "unable to open conv at cursor pos=%s item=%s getPositionOffset=%s", |
| position, item, getAnimatedAdapter().getPositionOffset(position)); |
| } |
| } |
| |
| /** |
| * Sets the checked conversation to the position given here. |
| * @param conversation the activated conversation. |
| * @param different if the currently checked conversation is different from the one provided |
| * here. This is a difference in conversations, not a difference in positions. For example, a |
| * conversation at position 2 can move to position 4 as a result of new mail. |
| */ |
| public void setActivated(final Conversation conversation, boolean different) { |
| if (mListView.getChoiceMode() == ListView.CHOICE_MODE_NONE || conversation == null) { |
| return; |
| } |
| |
| final int cursorPosition = conversation.position; |
| final int position = cursorPosition + mListAdapter.getPositionOffset(cursorPosition); |
| setRawActivated(position, different); |
| setRawSelected(conversation, position); |
| } |
| |
| /** |
| * Set the selected conversation (used by the framework to indicate current focus in the list). |
| * @param conversation the selected conversation. |
| */ |
| public void setSelected(final Conversation conversation) { |
| if (mListView.getChoiceMode() == ListView.CHOICE_MODE_NONE || conversation == null) { |
| return; |
| } |
| |
| final int cursorPosition = conversation.position; |
| final int position = cursorPosition + mListAdapter.getPositionOffset(cursorPosition); |
| setRawSelected(conversation, position); |
| } |
| |
| /** |
| * Set the selected conversation (used by the framework to indicate current focus in the list). |
| * @param position The position of the item in the list |
| */ |
| private void setRawSelected(Conversation conversation, final int position) { |
| final View selectedView = mListView.getChildAt( |
| position - mListView.getFirstVisiblePosition()); |
| // Don't do anything if the view is already selected. |
| if (!(selectedView != null && selectedView.isSelected())) { |
| final int firstVisible = mListView.getFirstVisiblePosition(); |
| final int lastVisible = mListView.getLastVisiblePosition(); |
| // Check if the view is off the screen |
| if (selectedView == null || position < firstVisible || position > lastVisible) { |
| mListView.setSelection(position); |
| } else { |
| // If the view is on screen, we call setSelectionFromTop with a top offset. This |
| // prevents the list from stupidly scrolling the item to the top because |
| // setSelection calls setSelectionFromTop with y = 0. |
| mListView.setSelectionFromTop(position, selectedView.getTop()); |
| } |
| mListView.setSelectedConversation(conversation); |
| } |
| } |
| |
| /** |
| * Sets the activated conversation to the position given here. |
| * @param position The position of the item in the list |
| * @param different if the currently activated conversation is different from the one provided |
| * here. This is a difference in conversations, not a difference in positions. For example, a |
| * conversation at position 2 can move to position 4 as a result of new mail. |
| */ |
| public void setRawActivated(final int position, final boolean different) { |
| if (mListView.getChoiceMode() == ListView.CHOICE_MODE_NONE) { |
| return; |
| } |
| |
| if (different) { |
| mListView.smoothScrollToPosition(position); |
| } |
| // Internally setItemChecked will set the activated bit if the item does not implement |
| // the Checkable interface. We use checked state to indicated CAB selection mode. |
| mListView.setItemChecked(position, true); |
| } |
| |
| /** |
| * Returns the cursor associated with the conversation list. |
| * @return |
| */ |
| private ConversationCursor getConversationListCursor() { |
| return mCallbacks != null ? mCallbacks.getConversationListCursor() : null; |
| } |
| |
| /** |
| * Request a refresh of the list. No sync is carried out and none is |
| * promised. |
| */ |
| public void requestListRefresh() { |
| mListAdapter.notifyDataSetChanged(); |
| } |
| |
| /** |
| * Change the UI to delete the conversations provided and then call the |
| * {@link DestructiveAction} provided here <b>after</b> the UI has been |
| * updated. |
| * @param conversations |
| * @param action |
| */ |
| public void requestDelete(int actionId, final Collection<Conversation> conversations, |
| final DestructiveAction action) { |
| for (Conversation conv : conversations) { |
| conv.localDeleteOnUpdate = true; |
| } |
| final ListItemsRemovedListener listener = new ListItemsRemovedListener() { |
| @Override |
| public void onListItemsRemoved() { |
| action.performAction(); |
| } |
| }; |
| if (mListView.getSwipeAction() == actionId) { |
| if (!mListView.destroyItems(conversations, listener)) { |
| // The listView failed to destroy the items, perform the action manually |
| LogUtils.e(LOG_TAG, "ConversationListFragment.requestDelete: " + |
| "listView failed to destroy items."); |
| action.performAction(); |
| } |
| return; |
| } |
| // Delete the local delete items (all for now) and when done, |
| // update... |
| mListAdapter.delete(conversations, listener); |
| } |
| |
| public void onFolderUpdated(Folder folder) { |
| if (!isCursorReadyToShow()) { |
| // Wait a bit before showing either the empty or loading view. If the messages are |
| // actually local, it's disorienting to see this appear on every folder transition. |
| // If they aren't, then it will likely take more than 200 milliseconds to load, and |
| // then we'll see the loading view. |
| if (!mLoadingViewPending) { |
| mHandler.postDelayed(mLoadingViewRunnable, LOADING_DELAY_MS); |
| mLoadingViewPending = true; |
| } |
| } |
| |
| mFolder = folder; |
| setSwipeAction(); |
| |
| // Update enabled state of swipe to refresh. |
| mSwipeRefreshWidget.setEnabled(!ConversationListContext.isSearchResult(mViewContext)); |
| |
| if (mFolder == null) { |
| return; |
| } |
| mListAdapter.setFolder(mFolder); |
| mFooterView.setFolder(mFolder); |
| if (!mFolder.wasSyncSuccessful()) { |
| mErrorListener.onError(mFolder, false); |
| } |
| |
| // Update the sync status bar with sync results if needed |
| checkSyncStatus(); |
| |
| // Blow away conversation items cache. |
| ConversationItemViewModel.onFolderUpdated(mFolder); |
| } |
| |
| /** |
| * Updates the footer visibility and updates the conversation cursor |
| */ |
| public void onConversationListStatusUpdated() { |
| // Also change the cursor here. |
| onCursorUpdated(); |
| |
| if (isCursorReadyToShow() && mCanTakeDownLoadingView) { |
| hideLoadingViewAndShowContents(); |
| } |
| } |
| |
| private void hideLoadingViewAndShowContents() { |
| final ConversationCursor cursor = getConversationListCursor(); |
| final boolean showFooter = mFooterView.updateStatus(cursor); |
| // Update the sync status bar with sync results if needed |
| checkSyncStatus(); |
| mListAdapter.setFooterVisibility(showFooter); |
| mLoadingViewPending = false; |
| mHandler.removeCallbacks(mLoadingViewRunnable); |
| |
| // Even though cursor might be empty, the list adapter might have teasers/footers. |
| // So we check the list adapter count if the cursor is fully/partially loaded. |
| if (mAccount.securityHold != 0) { |
| showSecurityHoldView(); |
| } else if (mListAdapter.getCount() == 0) { |
| showEmptyView(); |
| } else { |
| showListView(); |
| } |
| } |
| |
| private void setSwipeAction() { |
| int swipeSetting = Settings.getSwipeSetting(mAccount.settings); |
| if (swipeSetting == Swipe.DISABLED |
| || !mAccount.supportsCapability(AccountCapabilities.UNDO) |
| || (mFolder != null && mFolder.isTrash())) { |
| mListView.enableSwipe(false); |
| } else { |
| final int action; |
| mListView.enableSwipe(true); |
| if (mFolder == null) { |
| action = R.id.remove_folder; |
| } else { |
| switch (swipeSetting) { |
| // Try to respect user's setting as best as we can and default to doing nothing |
| case Swipe.DELETE: |
| // Delete in Outbox means discard failed message and put it in draft |
| if (mFolder.isType(UIProvider.FolderType.OUTBOX)) { |
| action = R.id.discard_outbox; |
| } else { |
| action = R.id.delete; |
| } |
| break; |
| case Swipe.ARCHIVE: |
| // Special case spam since it shouldn't remove spam folder label on swipe |
| if (mAccount.supportsCapability(AccountCapabilities.ARCHIVE) |
| && !mFolder.isSpam()) { |
| if (mFolder.supportsCapability(FolderCapabilities.ARCHIVE)) { |
| action = R.id.archive; |
| break; |
| } else if (mFolder.supportsCapability |
| (FolderCapabilities.CAN_ACCEPT_MOVED_MESSAGES)) { |
| action = R.id.remove_folder; |
| break; |
| } |
| } |
| |
| /* |
| * If we get here, we don't support archive, on either the account or the |
| * folder, so we want to fall through to swipe doing nothing |
| */ |
| //$FALL-THROUGH$ |
| default: |
| mListView.enableSwipe(false); |
| action = 0; // Use default value so setSwipeAction essentially has no effect |
| break; |
| } |
| } |
| mListView.setSwipeAction(action); |
| } |
| mListView.setCurrentAccount(mAccount); |
| mListView.setCurrentFolder(mFolder); |
| } |
| |
| /** |
| * Changes the conversation cursor in the list and sets checked position if none is set. |
| */ |
| private void onCursorUpdated() { |
| if (mCallbacks == null || mListAdapter == null) { |
| return; |
| } |
| // Check against the previous cursor here and see if they are the same. If they are, then |
| // do a notifyDataSetChanged. |
| final ConversationCursor newCursor = mCallbacks.getConversationListCursor(); |
| |
| if (newCursor == null && mListAdapter.getCursor() != null) { |
| // We're losing our cursor, so save our scroll position |
| saveLastScrolledPosition(); |
| } |
| |
| mListAdapter.swapCursor(newCursor); |
| // When the conversation cursor is *updated*, we get back the same instance. In that |
| // situation, CursorAdapter.swapCursor() silently returns, without forcing a |
| // notifyDataSetChanged(). So let's force a call to notifyDataSetChanged, since an updated |
| // cursor means that the dataset has changed. |
| final int newCursorHash = (newCursor == null) ? 0 : newCursor.hashCode(); |
| if (mConversationCursorHash == newCursorHash && mConversationCursorHash != 0) { |
| mListAdapter.notifyDataSetChanged(); |
| } |
| mConversationCursorHash = newCursorHash; |
| |
| updateAnalyticsData(newCursor); |
| if (newCursor != null) { |
| final int newCursorCount = newCursor.getCount(); |
| updateSearchResultHeader(newCursorCount); |
| if (newCursorCount > 0) { |
| newCursor.markContentsSeen(); |
| restoreLastScrolledPosition(); |
| } |
| } |
| |
| // If a current conversation is available, and none is activated in the list, then ask |
| // the list to select the current conversation. |
| final Conversation conv = mCallbacks.getCurrentConversation(); |
| final boolean currentConvIsPeeking = mCallbacks.isCurrentConversationJustPeeking(); |
| if (conv != null && !currentConvIsPeeking) { |
| if (mListView.getChoiceMode() != ListView.CHOICE_MODE_NONE |
| && mListView.getCheckedItemPosition() == -1) { |
| setActivated(conv, true); |
| } |
| } |
| } |
| |
| public void commitDestructiveActions(boolean animate) { |
| if (mListView != null) { |
| mListView.commitDestructiveActions(animate); |
| |
| } |
| } |
| |
| @Override |
| public void onListItemSwiped(Collection<Conversation> conversations) { |
| mUpdater.showNextConversation(conversations); |
| } |
| |
| private void checkSyncStatus() { |
| if (mFolder != null && mFolder.isSyncInProgress()) { |
| LogUtils.d(LOG_TAG, "CLF.checkSyncStatus still syncing"); |
| // Still syncing, ignore |
| } else { |
| // Finished syncing: |
| LogUtils.d(LOG_TAG, "CLF.checkSyncStatus done syncing"); |
| mSwipeRefreshWidget.setRefreshing(false); |
| } |
| } |
| |
| /** |
| * Displays the indefinite progress bar indicating a sync is in progress. This |
| * should only be called if user manually requested a sync, and not for background syncs. |
| */ |
| protected void showSyncStatusBar() { |
| mSwipeRefreshWidget.setRefreshing(true); |
| } |
| |
| /** |
| * Clears all items in the list. |
| */ |
| public void clear() { |
| mListView.setAdapter(null); |
| } |
| |
| private final ConversationSetObserver mConversationSetObserver = new ConversationSetObserver() { |
| @Override |
| public void onSetPopulated(final ConversationCheckedSet set) { |
| // Disable the swipe to refresh widget. |
| mSwipeRefreshWidget.setEnabled(false); |
| } |
| |
| @Override |
| public void onSetEmpty() { |
| mSwipeRefreshWidget.setEnabled(true); |
| } |
| |
| @Override |
| public void onSetChanged(final ConversationCheckedSet set) { |
| // Do nothing |
| } |
| }; |
| |
| private void saveLastScrolledPosition() { |
| if (mFolder == null || mFolder.conversationListUri == null || |
| mListAdapter.getCursor() == null) { |
| // If you save your scroll position in an empty list, you're gonna have a bad time |
| return; |
| } |
| |
| final Parcelable savedState = mListView.onSaveInstanceState(); |
| |
| mActivity.getListHandler().setConversationListScrollPosition( |
| mFolder.conversationListUri.toString(), savedState); |
| } |
| |
| private void restoreLastScrolledPosition() { |
| // Scroll to our previous position, if necessary |
| if (!mScrollPositionRestored && mFolder != null) { |
| final String key = mFolder.conversationListUri.toString(); |
| final Parcelable savedState = mActivity.getListHandler() |
| .getConversationListScrollPosition(key); |
| if (savedState != null) { |
| mListView.onRestoreInstanceState(savedState); |
| } |
| mScrollPositionRestored = true; |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see androidx.swiperefreshlayout.widget.SwipeRefreshLayout.OnRefreshListener#onRefresh() |
| */ |
| @Override |
| public void onRefresh() { |
| Analytics.getInstance().sendEvent(Analytics.EVENT_CATEGORY_MENU_ITEM, "swipe_refresh", null, |
| 0); |
| |
| // This will call back to showSyncStatusBar(): |
| mActivity.getFolderController().requestFolderRefresh(); |
| |
| // Clear list adapter state out of an abundance of caution. |
| // There is a class of bugs where an animation that should have finished doesn't (maybe |
| // it didn't start, or it didn't finish), and the list gets stuck pretty much forever. |
| // Clearing the state here is in line with user expectation for 'refresh'. |
| getAnimatedAdapter().clearAnimationState(); |
| // possibly act on the now-cleared state |
| mActivity.onAnimationEnd(mListAdapter); |
| } |
| |
| /** |
| * Extracted function that handles Analytics state and logging updates for each new cursor |
| * @param newCursor the new cursor pointer |
| */ |
| private void updateAnalyticsData(ConversationCursor newCursor) { |
| if (newCursor != null) { |
| // Check if the initial data returned yet |
| if (mInitialCursorLoading) { |
| // This marks the very first time the cursor with the data the user sees returned. |
| // We either have a cursor in LOADING state with cursor's count > 0, OR the cursor |
| // completed loading. |
| // Use this point to log the appropriate timing information that depends on when |
| // the conversation list view finishes loading |
| if (isCursorReadyToShow()) { |
| if (newCursor.getCount() == 0) { |
| Analytics.getInstance().sendEvent("empty_state", "post_label_change", |
| mFolder.getTypeDescription(), 0); |
| } |
| AnalyticsTimer.getInstance().logDuration(AnalyticsTimer.COLD_START_LAUNCHER, |
| true /* isDestructive */, "cold_start_to_list", "from_launcher", null); |
| // Don't need null checks because the activity, controller, and folder cannot |
| // be null in this case |
| if (mActivity.getFolderController().getFolder().isSearch()) { |
| AnalyticsTimer.getInstance().logDuration(AnalyticsTimer.SEARCH_TO_LIST, |
| true /* isDestructive */, "search_to_list", null, null); |
| } |
| |
| mInitialCursorLoading = false; |
| } |
| } else { |
| // Log the appropriate events that happen after the initial cursor is loaded |
| if (newCursor.getCount() == 0 && mConversationCursorLastCount > 0) { |
| Analytics.getInstance().sendEvent("empty_state", "post_delete", |
| mFolder.getTypeDescription(), 0); |
| } |
| } |
| |
| // We save the count here because for folders that are empty, multiple successful |
| // cursor loads will occur with size of 0. Thus we don't want to emit any false |
| // positive post_delete events. |
| mConversationCursorLastCount = newCursor.getCount(); |
| } else { |
| mConversationCursorLastCount = 0; |
| } |
| } |
| |
| /** |
| * Helper function to determine if the current cursor is ready to populate the UI |
| * Since we extracted the functionality into a static function in ConversationCursor, |
| * this function remains for the sole purpose of readability. |
| * @return |
| */ |
| private boolean isCursorReadyToShow() { |
| return ConversationCursor.isCursorReadyToShow(getConversationListCursor()); |
| } |
| |
| public SwipeableListView getListView() { |
| return mListView; |
| } |
| |
| public void setNextFocusStartId(@IdRes int id) { |
| mNextFocusStartId = id; |
| setNextFocusStartOnList(); |
| } |
| |
| private void setNextFocusStartOnList() { |
| if (mListView != null && mNextFocusStartId != 0) { |
| // Since we manually handle right navigation from the list, let's just always set both |
| // the default left and right navigation to the left id so that whenever the framework |
| // handles one of these directions, it will go to the left side regardless of RTL. |
| mListView.setNextFocusLeftId(mNextFocusStartId); |
| mListView.setNextFocusRightId(mNextFocusStartId); |
| } |
| } |
| |
| public void onClick(View view) { |
| if (view == mSecurityHoldButton) { |
| final String accountSecurityUri = mAccount.accountSecurityUri; |
| Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(accountSecurityUri)); |
| startActivity(intent); |
| } |
| } |
| |
| @Override |
| public final void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, |
| int totalItemCount) { |
| mListView.onScroll(view, firstVisibleItem, visibleItemCount, totalItemCount); |
| } |
| |
| /** |
| * Used with SwipeableListView to change conv_list backgrounds to work around shadow elevation |
| * issues causing and overdraw problems due to static backgrounds. |
| * |
| * @param view |
| * @param scrollState |
| */ |
| @Override |
| public void onScrollStateChanged(final AbsListView view, final int scrollState) { |
| mListView.onScrollStateChanged(view, scrollState); |
| |
| final View rootView = getView(); |
| |
| // It seems that the list view is reading the scroll state, but the onCreateView has not |
| // yet finished and the root view is null, so check that |
| if (rootView != null) { |
| // If not scrolling, assign default background - white for tablet, transparent for phone |
| if (scrollState == AbsListView.OnScrollListener.SCROLL_STATE_IDLE) { |
| rootView.setBackgroundColor(mDefaultListBackgroundColor); |
| |
| // Otherwise, list is scrolling, so remove background (corresponds to 0 input) |
| } else { |
| rootView.setBackgroundResource(0); |
| } |
| } |
| } |
| } |
