Bug 1014994 - Part 4: Display list of Remote Tabs when possible. r=margaret

mobile/android/base/home/RemoteTabsExpandableListFragment.java

@@ -0,0 +1,184 @@
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko.home;
+
+import java.util.EnumSet;
+import java.util.List;
+
+import org.mozilla.gecko.R;
+import org.mozilla.gecko.RemoteTabsExpandableListAdapter;
+import org.mozilla.gecko.TabsAccessor;
+import org.mozilla.gecko.TabsAccessor.RemoteClient;
+import org.mozilla.gecko.TabsAccessor.RemoteTab;
+import org.mozilla.gecko.Telemetry;
+import org.mozilla.gecko.TelemetryContract;
+import org.mozilla.gecko.home.HomePager.OnUrlOpenListener;
+
+import android.content.Context;
+import android.database.Cursor;
+import android.os.Bundle;
+import android.support.v4.app.LoaderManager.LoaderCallbacks;
+import android.support.v4.content.Loader;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.ViewStub;
+import android.widget.ExpandableListAdapter;
+import android.widget.ExpandableListView;
+import android.widget.ExpandableListView.OnChildClickListener;
+import android.widget.ExpandableListView.OnGroupClickListener;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+/**
+ * Fragment that displays tabs from other devices in an <code>ExpandableListView<code>.
+ * <p>
+ * This is intended to be used on phones, and possibly in portrait mode on tablets.
+ */
+public class RemoteTabsExpandableListFragment extends HomeFragment {
+    // Logging tag name.
+    @SuppressWarnings("unused")
+    private static final String LOGTAG = "GeckoRemoteTabsExpList";
+
+    // Cursor loader ID.
+    private static final int LOADER_ID_REMOTE_TABS = 0;
+
+    // Adapter for the list of remote tabs.
+    private RemoteTabsExpandableListAdapter mAdapter;
+
+    // The view shown by the fragment.
+    private ExpandableListView mList;
+
+    // Reference to the View to display when there are no results.
+    private View mEmptyView;
+
+    // Callbacks used for the loader.
+    private CursorLoaderCallbacks mCursorLoaderCallbacks;
+
+    public static RemoteTabsExpandableListFragment newInstance() {
+        return new RemoteTabsExpandableListFragment();
+    }
+
+    public RemoteTabsExpandableListFragment() {
+        super();
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.home_remote_tabs_list_panel, container, false);
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        mList = (ExpandableListView) view.findViewById(R.id.list);
+        mList.setTag(HomePager.LIST_TAG_REMOTE_TABS);
+
+        mList.setOnChildClickListener(new OnChildClickListener() {
+            @Override
+            public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition, long id) {
+                final ExpandableListAdapter adapter = parent.getExpandableListAdapter();
+                final RemoteTab tab = (RemoteTab) adapter.getChild(groupPosition, childPosition);
+                if (tab == null) {
+                    return false;
+                }
+
+                Telemetry.sendUIEvent(TelemetryContract.Event.LOAD_URL, TelemetryContract.Method.LIST_ITEM);
+
+                // This item is a TwoLinePageRow, so we allow switch-to-tab.
+                mUrlOpenListener.onUrlOpen(tab.url, EnumSet.of(OnUrlOpenListener.Flags.ALLOW_SWITCH_TO_TAB));
+                return true;
+            }
+        });
+
+        mList.setOnGroupClickListener(new OnGroupClickListener() {
+            @Override
+            public boolean onGroupClick(ExpandableListView parent, View v, int groupPosition, long id) {
+                // Since we don't indicate the expansion state yet, don't allow
+                // collapsing groups at all.
+                return true;
+            }
+        });
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        mList = null;
+        mEmptyView = null;
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        // Intialize adapter
+        mAdapter = new RemoteTabsExpandableListAdapter(R.layout.home_remote_tabs_group, R.layout.home_remote_tabs_child, null);
+        mList.setAdapter(mAdapter);
+
+        // Create callbacks before the initial loader is started
+        mCursorLoaderCallbacks = new CursorLoaderCallbacks();
+        loadIfVisible();
+    }
+
+    private void updateUiFromClients(List<RemoteClient> clients) {
+        if (clients != null && !clients.isEmpty()) {
+            for (int i = 0; i < mList.getExpandableListAdapter().getGroupCount(); i++) {
+                mList.expandGroup(i);
+            }
+            return;
+        }
+
+        // Cursor is empty, so set the empty view if it hasn't been set already.
+        if (mEmptyView == null) {
+            // Set empty panel view. We delay this so that the empty view won't flash.
+            final ViewStub emptyViewStub = (ViewStub) getView().findViewById(R.id.home_empty_view_stub);
+            mEmptyView = emptyViewStub.inflate();
+
+            final ImageView emptyIcon = (ImageView) mEmptyView.findViewById(R.id.home_empty_image);
+            emptyIcon.setImageResource(R.drawable.icon_remote_tabs_empty);
+
+            final TextView emptyText = (TextView) mEmptyView.findViewById(R.id.home_empty_text);
+            emptyText.setText(R.string.home_remote_tabs_empty);
+
+            mList.setEmptyView(mEmptyView);
+        }
+    }
+
+    @Override
+    protected void load() {
+        getLoaderManager().initLoader(LOADER_ID_REMOTE_TABS, null, mCursorLoaderCallbacks);
+    }
+
+    private static class RemoteTabsCursorLoader extends SimpleCursorLoader {
+        public RemoteTabsCursorLoader(Context context) {
+            super(context);
+        }
+
+        @Override
+        public Cursor loadCursor() {
+            return TabsAccessor.getRemoteTabsCursor(getContext());
+        }
+    }
+
+    private class CursorLoaderCallbacks implements LoaderCallbacks<Cursor> {
+        @Override
+        public Loader<Cursor> onCreateLoader(int id, Bundle args) {
+            return new RemoteTabsCursorLoader(getActivity());
+        }
+
+        @Override
+        public void onLoadFinished(Loader<Cursor> loader, Cursor c) {
+            final List<RemoteClient> clients = TabsAccessor.getClientsFromCursor(c);
+            mAdapter.replaceClients(clients);
+            updateUiFromClients(clients);
+        }
+
+        @Override
+        public void onLoaderReset(Loader<Cursor> loader) {
+            mAdapter.replaceClients(null);
+        }
+    }
+}

mobile/android/base/home/RemoteTabsPanel.java

@@ -145,9 +145,7 @@ public class RemoteTabsPanel extends HomeFragment {
 
         switch (action) {
         case None:
-            // This is only here to allow splitting commits. It will be replaced
-            // with the list of Remote Tabs in the next commits.
-            return RemoteTabsStaticFragment.newInstance(R.layout.remote_tabs_needs_upgrade);
+            return new RemoteTabsExpandableListFragment();
         case NeedsVerification:
             return RemoteTabsStaticFragment.newInstance(R.layout.remote_tabs_needs_verification);
         case NeedsPassword:

mobile/android/base/moz.build

@@ -297,6 +297,7 @@ gbjar.sources += [
     'home/ReadingListPanel.java',
     'home/ReadingListRow.java',
     'home/RecentTabsPanel.java',
+    'home/RemoteTabsExpandableListFragment.java',
     'home/RemoteTabsPanel.java',
     'home/RemoteTabsStaticFragment.java',
     'home/SearchEngine.java',

mobile/android/base/resources/layout/home_remote_tabs_child.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<org.mozilla.gecko.home.TwoLinePageRow xmlns:android="http://schemas.android.com/apk/res/android"
+                                       style="@style/Widget.RemoteTabsItemView"
+                                       android:layout_width="match_parent"
+                                       android:layout_height="@dimen/page_row_height"
+                                       android:minHeight="@dimen/page_row_height"/>

mobile/android/base/resources/layout/home_remote_tabs_group.xml

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+   This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:gecko="http://schemas.android.com/apk/res-auto"
+    style="@style/Widget.RemoteTabsClientView"
+    android:layout_width="match_parent"
+    android:layout_height="@dimen/page_row_height"
+    android:gravity="center_vertical"
+    android:minHeight="@dimen/page_row_height" >
+
+    <ImageView
+        android:id="@+id/device_type"
+        android:layout_width="@dimen/favicon_bg"
+        android:layout_height="@dimen/favicon_bg"
+        android:layout_marginLeft="10dip"
+        android:layout_marginRight="10dip" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginRight="10dip"
+        android:orientation="vertical" >
+
+        <org.mozilla.gecko.widget.FadedTextView
+            android:id="@+id/client"
+            style="@style/Widget.TwoLinePageRow.Title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            gecko:fadeWidth="30dp" />
+
+        <TextView
+            android:id="@+id/last_synced"
+            style="@style/Widget.TwoLinePageRow.Url"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:drawablePadding="5dp"
+            android:maxLength="1024" />
+    </LinearLayout>
+
+</LinearLayout>

mobile/android/base/resources/layout/home_remote_tabs_list_panel.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:layout_width="match_parent"
+              android:layout_height="match_parent"
+              android:orientation="vertical">
+
+    <ViewStub android:id="@+id/home_empty_view_stub"
+              android:layout="@layout/home_empty_panel"
+              android:layout_width="match_parent"
+              android:layout_height="match_parent"/>
+
+    <TextView android:id="@+id/title"
+              style="@style/Widget.Home.HistoryPanelTitle"
+              android:visibility="gone"/>
+
+    <ExpandableListView
+            android:id="@+id/list"
+            style="@style/Widget.RemoteTabsListView"
+            android:groupIndicator="@android:color/transparent"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1"/>
+
+</LinearLayout>

mobile/android/base/resources/values/styles.xml

@@ -576,6 +576,16 @@
         <item name="android:layout_height">wrap_content</item>
     </style>
 
+    <style name="Widget.RemoteTabsItemView" parent="Widget.TwoLinePageRow"/>
+
+    <style name="Widget.RemoteTabsClientView" parent="Widget.TwoLinePageRow">
+        <item name="android:background">#fff5f7f9</item>
+    </style>
+
+    <style name="Widget.RemoteTabsListView" parent="Widget.HomeListView">
+        <item name="android:childDivider">#E7ECF0</item>
+    </style>
+
     <!-- TabsTray Row -->
     <style name="TabRowTextAppearance">
         <item name="android:textColor">#FFFFFFFF</item>