Display quota if configured/available in navigation drawer

build.gradle

@@ -33,7 +33,7 @@ dependencies {
     /// dependencies for app building
     compile name: 'touch-image-view'
 
-    compile 'com.github.nextcloud:android-library:1.0.2'
+    compile 'com.github.nextcloud:android-library:1.0.6'
     compile "com.android.support:support-v4:${supportLibraryVersion}"
     compile "com.android.support:design:${supportLibraryVersion}"
     compile 'com.jakewharton:disklrucache:2.0.2'

res/layout/drawer.xml

@@ -24,9 +24,43 @@
         android:layout_width="wrap_content"
         android:layout_height="match_parent"
         android:layout_gravity="start"
+        android:layout_weight="1"
         android:fitsSystemWindows="true"
-        app:theme="@style/NavigationView_ItemTextAppearance"
         app:headerLayout="@layout/drawer_header"
-        app:menu="@menu/drawer_menu"/>
+        app:menu="@menu/drawer_menu"
+        app:theme="@style/NavigationView_ItemTextAppearance">
+
+        <LinearLayout
+            android:id="@+id/drawer_quota"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_gravity="bottom"
+            android:background="@color/white"
+            android:clickable="false"
+            android:orientation="vertical"
+            android:paddingBottom="@dimen/standard_half_padding"
+            android:paddingLeft="@dimen/standard_padding"
+            android:paddingRight="@dimen/standard_padding"
+            android:paddingTop="@dimen/standard_half_padding"
+            android:visibility="gone">
+
+            <ProgressBar
+                android:id="@+id/drawer_quota_ProgressBar"
+                style="?android:attr/progressBarStyleHorizontal"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:indeterminate="false"
+                android:indeterminateOnly="false"
+                android:text="@string/drawer_quota"
+                />
+
+            <TextView
+                android:id="@+id/drawer_quota_text"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/drawer_quota"/>
+        </LinearLayout>
+
+    </android.support.design.widget.NavigationView>
 
 </merge>

res/menu/drawer_menu.xml

@@ -67,4 +67,15 @@
             android:icon="@drawable/ic_settings"
             android:title="@string/actionbar_settings"/>
     </group>
+
+    <!--
+      dummy group/element as a workaround to see
+      the whole menu in case of quota being displayed
+    -->
+    <group>
+        <item
+            android:enabled="false"
+            android:orderInCategory="200"
+            android:title=""/>
+    </group>
 </menu>

res/values/colors.xml

@@ -52,4 +52,10 @@
     <!-- special transparent action bar colors for image preview -->
     <color name="owncloud_blue_transparent">#201D2D44</color>
     <color name="owncloud_blue_dark_transparent">#40162233</color>
+
+    <!-- level colors for info notifications/visualisations -->
+    <color name="infolevel_info">@color/color_accent</color>
+    <color name="infolevel_warning">#fdd835</color>
+    <color name="infolevel_critical">#e57373</color>
+
 </resources>

res/values/strings.xml

@@ -23,6 +23,7 @@
     <string name="drawer_item_on_device">On device</string>
     <string name="drawer_item_settings">Settings</string>
     <string name="drawer_item_uploads_list">Uploads</string>
+    <string name="drawer_quota">%1$s of %2$s used</string>
 	<string name="drawer_close">Close</string>
     <string name="drawer_open">Open</string>
     <string name="prefs_category_general">General</string>

src/com/owncloud/android/ui/activity/DrawerActivity.java

@@ -38,14 +38,19 @@
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.ProgressBar;
 import android.widget.TextView;
 
 import com.owncloud.android.MainApp;
 import com.owncloud.android.R;
 import com.owncloud.android.authentication.AccountUtils;
 import com.owncloud.android.datamodel.OCFile;
 import com.owncloud.android.lib.common.OwnCloudAccount;
+import com.owncloud.android.lib.common.operations.RemoteOperation;
+import com.owncloud.android.lib.common.operations.RemoteOperationResult;
 import com.owncloud.android.lib.common.utils.Log_OC;
+import com.owncloud.android.lib.resources.users.RemoteGetUserQuotaOperation;
 import com.owncloud.android.ui.TextDrawable;
 import com.owncloud.android.utils.DisplayUtils;
 
@@ -121,6 +126,21 @@ public abstract class DrawerActivity extends ToolbarActivity implements DisplayU
      */
     private Account[] mAvatars = new Account[3];
 
+    /**
+     * container layout of the quota view.
+     */
+    private LinearLayout mQuotaView;
+
+    /**
+     * progress bar of the quota view.
+     */
+    private ProgressBar mQuotaProgressBar;
+
+    /**
+     * text view of the quota view.
+     */
+    private TextView mQuotaTextView;
+
     /**
      * Initializes the drawer, its content and highlights the menu item with the given id.
      * This method needs to be called after the content view has been set.
@@ -141,30 +161,22 @@ protected void setupDrawer() {
 
         mNavigationView = (NavigationView) findViewById(R.id.nav_view);
         if (mNavigationView != null) {
-            mAccountChooserToggle = (ImageView) findNavigationViewChildById(R.id.drawer_account_chooser_toogle);
-            mAccountChooserToggle.setImageResource(R.drawable.ic_down);
-            mIsAccountChooserActive = false;
+            setupDrawerHeader();
 
-            mAccountMiddleAccountAvatar = (ImageView) findNavigationViewChildById(R.id.drawer_account_middle);
-            mAccountEndAccountAvatar = (ImageView) findNavigationViewChildById(R.id.drawer_account_end);
+            setupDrawerMenu(mNavigationView);
 
-            // on pre lollipop the light theme adds a black tint to icons with white coloring
-            // ruining the generic avatars, so tinting for icons is deactivated pre lollipop
-            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
-                mNavigationView.setItemIconTintList(null);
-            }
+            setupQuotaElement();
+        }
 
-            setupDrawerContent(mNavigationView);
+        setupDrawerToggle();
 
-            findNavigationViewChildById(R.id.drawer_active_user)
-                    .setOnClickListener(new View.OnClickListener() {
-                        @Override
-                        public void onClick(View v) {
-                            toggleAccountList();
-                        }
-                    });
-        }
+        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+    }
 
+    /**
+     * initializes and sets up the drawer toggle.
+     */
+    private void setupDrawerToggle() {
         mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, R.string.drawer_open, R.string.drawer_close) {
 
             /** Called when a drawer has settled in a completely closed state. */
@@ -188,15 +200,50 @@ public void onDrawerOpened(View drawerView) {
         // Set the drawer toggle as the DrawerListener
         mDrawerLayout.setDrawerListener(mDrawerToggle);
         mDrawerToggle.setDrawerIndicatorEnabled(true);
-        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+    }
+
+    /**
+     * initializes and sets up the drawer header.
+     */
+    private void setupDrawerHeader() {
+        mAccountChooserToggle = (ImageView) findNavigationViewChildById(R.id.drawer_account_chooser_toogle);
+        mAccountChooserToggle.setImageResource(R.drawable.ic_down);
+        mIsAccountChooserActive = false;
+        mAccountMiddleAccountAvatar = (ImageView) findNavigationViewChildById(R.id.drawer_account_middle);
+        mAccountEndAccountAvatar = (ImageView) findNavigationViewChildById(R.id.drawer_account_end);
+
+        findNavigationViewChildById(R.id.drawer_active_user)
+                .setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        toggleAccountList();
+                    }
+                });
+    }
+
+    /**
+     * setup quota elements of the drawer.
+     */
+    private void setupQuotaElement() {
+        mQuotaView = (LinearLayout) findViewById(R.id.drawer_quota);
+        mQuotaProgressBar = (ProgressBar) findViewById(R.id.drawer_quota_ProgressBar);
+        mQuotaTextView = (TextView) findViewById(R.id.drawer_quota_text);
+        DisplayUtils.colorPreLollipopHorizontalProgressBar(mQuotaProgressBar);
     }
 
     /**
      * setup drawer content, basically setting the item selected listener.
      *
      * @param navigationView the drawers navigation view
      */
-    protected void setupDrawerContent(NavigationView navigationView) {
+    protected void setupDrawerMenu(NavigationView navigationView) {
+        // on pre lollipop the light theme adds a black tint to icons with white coloring
+        // ruining the generic avatars, so tinting for icons is deactivated pre lollipop
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
+            navigationView.setItemIconTintList(null);
+        }
+
+        // setup actions for drawer menu items
         navigationView.setNavigationItemSelectedListener(
                 new NavigationView.OnNavigationItemSelectedListener() {
                     @Override
@@ -246,9 +293,9 @@ public boolean onNavigationItemSelected(MenuItem menuItem) {
 
         // handle correct state
         if (mIsAccountChooserActive) {
-            mNavigationView.getMenu().setGroupVisible(R.id.drawer_menu_accounts, true);
+            navigationView.getMenu().setGroupVisible(R.id.drawer_menu_accounts, true);
         } else {
-            mNavigationView.getMenu().setGroupVisible(R.id.drawer_menu_accounts, false);
+            navigationView.getMenu().setGroupVisible(R.id.drawer_menu_accounts, false);
         }
     }
 
@@ -449,6 +496,9 @@ protected void setAccountInDrawer(Account account) {
             DisplayUtils.setAvatar(account, this,
                     mCurrentAccountAvatarRadiusDimension, getResources(), getStorageManager(),
                     findNavigationViewChildById(R.id.drawer_current_account));
+
+            // check and show quota info if available
+            getAndDisplayUserQuota();
         }
     }
 
@@ -477,6 +527,38 @@ private void showMenu() {
         }
     }
 
+    /**
+     * shows or hides the quota UI elements.
+     *
+     * @param showQuota show/hide quota information
+     */
+    private void showQuota(boolean showQuota) {
+        if (showQuota) {
+            mQuotaView.setVisibility(View.VISIBLE);
+        } else {
+            mQuotaView.setVisibility(View.GONE);
+        }
+    }
+
+    /**
+     * configured the quota to be displayed.
+     *
+     * @param usedSpace the used space
+     * @param totalSpace the total space
+     * @param relative the percentage of space already used
+     */
+    private void setQuotaInformation(long usedSpace, long totalSpace, int relative) {
+        mQuotaProgressBar.setProgress(relative);
+        DisplayUtils.colorHorizontalProgressBar(mQuotaProgressBar, DisplayUtils.getRelativeInfoColor(this, relative));
+
+        mQuotaTextView.setText(String.format(
+                getString(R.string.drawer_quota),
+                DisplayUtils.bytesToHumanReadable(usedSpace),
+                DisplayUtils.bytesToHumanReadable(totalSpace)));
+
+        showQuota(true);
+    }
+
     /**
      * checks/highlights the provided menu item if the drawer has been initialized and the menu item exists.
      *
@@ -492,6 +574,57 @@ protected void setDrawerMenuItemChecked(int menuItemId) {
         }
     }
 
+    /**
+     * Retrieves and shows the user quota if available
+     */
+    private void getAndDisplayUserQuota() {
+        // set user space information
+        Thread t = new Thread(new Runnable() {
+            public void run() {
+
+                RemoteOperation getQuotaInfoOperation = new RemoteGetUserQuotaOperation();
+                RemoteOperationResult result = getQuotaInfoOperation.execute(
+                        AccountUtils.getCurrentOwnCloudAccount(DrawerActivity.this), DrawerActivity.this);
+
+                if (result.isSuccess() && result.getData() != null) {
+                    final RemoteGetUserQuotaOperation.Quota quota =
+                            (RemoteGetUserQuotaOperation.Quota) result.getData().get(0);
+
+                    final long used = quota.getUsed();
+                    final long total = quota.getTotal();
+                    final int relative = (int) Math.ceil(quota.getRelative());
+                    final long quotaValue = quota.getQuota();
+
+                    runOnUiThread(new Runnable() {
+                        @Override
+                        public void run() {
+                            if (quotaValue > 0
+                                    || quotaValue == RemoteGetUserQuotaOperation.QUOTA_LIMIT_INFO_NOT_AVAILABLE) {
+                                /**
+                                 * show quota in case
+                                 * it is available and calculated (> 0) or
+                                 * in case of legacy servers (==QUOTA_LIMIT_INFO_NOT_AVAILABLE)
+                                 */
+                                setQuotaInformation(used, total, relative);
+                            } else {
+                                /**
+                                 * quotaValue < 0 means special cases like
+                                 * {@link RemoteGetUserQuotaOperation.SPACE_NOT_COMPUTED},
+                                 * {@link RemoteGetUserQuotaOperation.SPACE_UNKNOWN} or
+                                 * {@link RemoteGetUserQuotaOperation.SPACE_UNLIMITED}
+                                 * thus don't display any quota information.
+                                 */
+                                showQuota(false);
+                            }
+                        }
+                    });
+                }
+            }
+        });
+
+        t.start();
+    }
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);