From c741b33bc22fc87eb75dbc448898ebeba88dbe0c Mon Sep 17 00:00:00 2001
From: Christian Schneppe <christian@pix-art.de>
Date: Wed, 31 May 2017 21:49:40 +0200
Subject: add the 4 most frequently contacted contacts as app shortcuts

---
 .../pixart/messenger/services/ShortcutService.java | 131 +++++++++++++++++++++
 1 file changed, 131 insertions(+)
 create mode 100644 src/main/java/de/pixart/messenger/services/ShortcutService.java

(limited to 'src/main/java/de/pixart/messenger/services/ShortcutService.java')

diff --git a/src/main/java/de/pixart/messenger/services/ShortcutService.java b/src/main/java/de/pixart/messenger/services/ShortcutService.java
new file mode 100644
index 000000000..56345c663
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/services/ShortcutService.java
@@ -0,0 +1,131 @@
+package de.pixart.messenger.services;
+
+import android.annotation.TargetApi;
+import android.content.Intent;
+import android.content.pm.ShortcutInfo;
+import android.content.pm.ShortcutManager;
+import android.graphics.drawable.Icon;
+import android.net.Uri;
+import android.os.Build;
+import android.util.Log;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+import de.pixart.messenger.Config;
+import de.pixart.messenger.entities.Account;
+import de.pixart.messenger.entities.Contact;
+import de.pixart.messenger.ui.StartConversationActivity;
+import de.pixart.messenger.utils.ReplacingSerialSingleThreadExecutor;
+import de.pixart.messenger.xmpp.jid.Jid;
+
+public class ShortcutService {
+    private final XmppConnectionService xmppConnectionService;
+    private final ReplacingSerialSingleThreadExecutor replacingSerialSingleThreadExecutor = new ReplacingSerialSingleThreadExecutor(false);
+
+    public ShortcutService(XmppConnectionService xmppConnectionService) {
+        this.xmppConnectionService = xmppConnectionService;
+    }
+
+    public void refresh() {
+        refresh(false);
+    }
+
+    public void refresh(final boolean forceUpdate) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1) {
+            final Runnable r = new Runnable() {
+                @Override
+                public void run() {
+                    refreshImpl(forceUpdate);
+                }
+            };
+            replacingSerialSingleThreadExecutor.execute(r);
+        }
+    }
+
+    @TargetApi(25)
+    public void report(Contact contact) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1) {
+            ShortcutManager shortcutManager = xmppConnectionService.getSystemService(ShortcutManager.class);
+            shortcutManager.reportShortcutUsed(getShortcutId(contact));
+        }
+    }
+
+    @TargetApi(25)
+    private void refreshImpl(boolean forceUpdate) {
+        List<FrequentContact> frequentContacts = xmppConnectionService.databaseBackend.getFrequentContacts(30);
+        HashMap<String, Account> accounts = new HashMap<>();
+        for (Account account : xmppConnectionService.getAccounts()) {
+            accounts.put(account.getUuid(), account);
+        }
+        List<Contact> contacts = new ArrayList<>();
+        for (FrequentContact frequentContact : frequentContacts) {
+            Account account = accounts.get(frequentContact.account);
+            if (account != null) {
+                contacts.add(account.getRoster().getContact(frequentContact.contact));
+            }
+        }
+        ShortcutManager shortcutManager = xmppConnectionService.getSystemService(ShortcutManager.class);
+        boolean needsUpdate = forceUpdate || contactsChanged(contacts, shortcutManager.getDynamicShortcuts());
+        if (!needsUpdate) {
+            Log.d(Config.LOGTAG, "skipping shortcut update");
+            return;
+        }
+        List<ShortcutInfo> newDynamicShortCuts = new ArrayList<>();
+        for (Contact contact : contacts) {
+            ShortcutInfo shortcut = new ShortcutInfo.Builder(xmppConnectionService, getShortcutId(contact))
+                    .setShortLabel(contact.getDisplayName())
+                    .setIntent(getShortcutIntent(contact))
+                    .setIcon(Icon.createWithBitmap(xmppConnectionService.getAvatarService().getRoundedShortcut(contact)))
+                    .build();
+            newDynamicShortCuts.add(shortcut);
+        }
+        if (shortcutManager.setDynamicShortcuts(newDynamicShortCuts)) {
+            Log.d(Config.LOGTAG, "updated dynamic shortcuts");
+        } else {
+            Log.d(Config.LOGTAG, "unable to update dynamic shortcuts");
+        }
+    }
+
+    private static boolean contactsChanged(List<Contact> needles, List<ShortcutInfo> haystack) {
+        for (Contact needle : needles) {
+            if (!contactExists(needle, haystack)) {
+                return true;
+            }
+        }
+        return needles.size() != haystack.size();
+    }
+
+    @TargetApi(25)
+    private static boolean contactExists(Contact needle, List<ShortcutInfo> haystack) {
+        for (ShortcutInfo shortcutInfo : haystack) {
+            if (getShortcutId(needle).equals(shortcutInfo.getId()) && needle.getDisplayName().equals(shortcutInfo.getShortLabel())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private static String getShortcutId(Contact contact) {
+        return contact.getAccount().getJid().toBareJid().toPreppedString() + "#" + contact.getJid().toBareJid().toPreppedString();
+    }
+
+    private Intent getShortcutIntent(Contact contact) {
+        Intent intent = new Intent(xmppConnectionService, StartConversationActivity.class);
+        intent.setAction(Intent.ACTION_VIEW);
+        intent.setData(Uri.parse("xmpp:" + contact.getJid().toBareJid().toString()));
+        intent.putExtra("account", contact.getAccount().getJid().toBareJid().toString());
+        return intent;
+    }
+
+    public static class FrequentContact {
+        private final String account;
+        private final Jid contact;
+
+        public FrequentContact(String account, Jid contact) {
+            this.account = account;
+            this.contact = contact;
+        }
+    }
+}
-- 
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