add ability to add shortcuts to the homescreen, more work still needed

app/src/main/AndroidManifest.xml

@@ -10,6 +10,7 @@
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
     <uses-permission android:name="com.android.browser.permission.READ_HISTORY_BOOKMARKS"/>
     <uses-permission android:name="com.android.browser.permission.WRITE_HISTORY_BOOKMARKS"/>
+    <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT"/>
 
     <uses-feature
         android:name="android.hardware.location.gps"

app/src/main/java/acr/browser/lightning/activity/BrowserActivity.java

@@ -676,6 +676,13 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
                     currentView.goForward();
                 }
                 return true;
+            case R.id.action_add_to_homescreen:
+                if (currentView != null) {
+                    HistoryItem shortcut = new HistoryItem(currentView.getUrl(), currentView.getTitle());
+                    shortcut.setBitmap(currentView.getFavicon());
+                    Utils.createShortcut(this, shortcut);
+                }
+                return true;
             case R.id.action_new_tab:
                 newTab(null, true);
                 return true;

app/src/main/java/acr/browser/lightning/utils/Utils.java

@@ -20,12 +20,14 @@ import android.graphics.LinearGradient;
 import android.graphics.Paint;
 import android.graphics.Path;
 import android.graphics.Shader;
+import android.net.Uri;
 import android.os.Environment;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.annotation.StringRes;
 import android.support.design.widget.Snackbar;
 import android.support.v7.app.AlertDialog;
+import android.text.TextUtils;
 import android.util.DisplayMetrics;
 import android.util.Log;
 import android.view.View;
@@ -43,7 +45,9 @@ import java.text.SimpleDateFormat;
 import java.util.Date;
 
 import acr.browser.lightning.R;
+import acr.browser.lightning.activity.MainActivity;
 import acr.browser.lightning.constant.Constants;
+import acr.browser.lightning.database.HistoryItem;
 import acr.browser.lightning.download.DownloadHandler;
 import acr.browser.lightning.preference.PreferenceManager;
 
@@ -377,4 +381,21 @@ public final class Utils {
 
         canvas.drawPath(wallpath, paint);
     }
+
+    public static void createShortcut(@NonNull Activity activity, HistoryItem item) {
+        Log.d(Constants.TAG, "Creating shortcut: " + item.getTitle() + ' ' + item.getUrl());
+        Intent shortcutIntent = new Intent(activity, MainActivity.class);
+        shortcutIntent.setData(Uri.parse(item.getUrl()));
+
+        final String title = TextUtils.isEmpty(item.getTitle()) ? activity.getString(R.string.untitled) : item.getTitle();
+
+        Intent addIntent = new Intent();
+        addIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
+        addIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME, title);
+        addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON, item.getBitmap());
+        addIntent.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
+        activity.sendBroadcast(addIntent);
+        Utils.showSnackbar(activity, R.string.message_added_to_homescreen);
+    }
+
 }

app/src/main/res/menu-large/main.xml

@@ -53,6 +53,9 @@
     <item
         android:id="@+id/action_copy"
         android:title="@string/action_copy"/>
+    <item
+        android:id="@+id/action_add_to_homescreen"
+        android:title="@string/action_add_to_homescreen"/>
     <item
         android:id="@+id/action_bookmarks"
         android:title="@string/action_bookmarks"/>

app/src/main/res/menu-xlarge/main.xml

@@ -53,6 +53,9 @@
     <item
         android:id="@+id/action_copy"
         android:title="@string/action_copy"/>
+    <item
+        android:id="@+id/action_add_to_homescreen"
+        android:title="@string/action_add_to_homescreen"/>
     <item
         android:id="@+id/action_bookmarks"
         android:title="@string/action_bookmarks"/>

app/src/main/res/menu/main.xml

@@ -35,6 +35,9 @@
     <item
         android:id="@+id/action_copy"
         android:title="@string/action_copy"/>
+    <item
+        android:id="@+id/action_add_to_homescreen"
+        android:title="@string/action_add_to_homescreen"/>
     <item
         android:id="@+id/action_bookmarks"
         android:title="@string/action_bookmarks"/>

app/src/main/res/values/strings.xml

@@ -227,4 +227,6 @@
     <string name="tabs_in_drawer">Show tabs in Navigation Drawer</string>
     <string name="do_not_track">Request \'Do Not Track\'</string>
     <string name="remove_identifying_headers">Remove Identifying Headers</string>
+    <string name="action_add_to_homescreen">Add to Homescreen</string>
+    <string name="message_added_to_homescreen">Shortcut Added to Homescreen</string>
 </resources>