Implement saving a webpage as an image. https://redmine.stoutner.com/issues/187

[PrivacyBrowserAndroid.git] / app / src / main / java / com / stoutner / privacybrowser / helpers / FileNameHelper.java

diff --git a/app/src/main/java/com/stoutner/privacybrowser/helpers/FileNameHelper.java b/app/src/main/java/com/stoutner/privacybrowser/helpers/FileNameHelper.java
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+++ b/app/src/main/java/com/stoutner/privacybrowser/helpers/FileNameHelper.java
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+/*
+ * Copyright © 2019 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+ *
+ * Privacy Browser is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Privacy Browser is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Privacy Browser.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.stoutner.privacybrowser.helpers;
+
+import android.net.Uri;
+import android.os.Environment;
+
+public class FileNameHelper {
+    public String convertUriToFileNamePath(Uri Uri) {
+        // Initialize a file name path string.
+        String fileNamePath = "";
+
+        // Convert the URI to a raw file name path.
+        String rawFileNamePath = Uri.getPath();
+
+        // Only process the raw file name path if it is not null.
+        if (rawFileNamePath != null) {
+            // Check to see if the file name Path includes a valid storage location.
+            if (rawFileNamePath.contains(":")) {  // The path contains a `:`.
+                // Split the path into the initial content uri and the final path information.
+                String fileNameContentPath = rawFileNamePath.substring(0, rawFileNamePath.indexOf(":"));
+                String fileNameFinalPath = rawFileNamePath.substring(rawFileNamePath.indexOf(":") + 1);
+
+                // Check to see if the current file name final patch is a complete, valid path
+                if (fileNameFinalPath.startsWith("/storage/emulated/")) {  // The existing file name final path is a complete, valid path.
+                    // Use the provided file name path as is.
+                    fileNamePath = fileNameFinalPath;
+                } else { // The existing file name final path is not a complete, valid path.
+                    // Construct the file name path.
+                    switch (fileNameContentPath) {
+                        // The documents home has a special content path.
+                        case "/document/home":
+                            fileNamePath = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOCUMENTS) + "/" + fileNameFinalPath;
+                            break;
+
+                        // Everything else for the primary user should be in `/document/primary`.
+                        case "/document/primary":
+                            fileNamePath = Environment.getExternalStorageDirectory() + "/" + fileNameFinalPath;
+                            break;
+
+                        // Just in case, catch everything else and place it in the external storage directory.
+                        default:
+                            fileNamePath = Environment.getExternalStorageDirectory() + "/" + fileNameFinalPath;
+                            break;
+                    }
+                }
+            } else {  // The path does not contain a `:`.
+                // Use the raw file name path.
+                fileNamePath = rawFileNamePath;
+            }
+        }
+
+        // Return the file name path string.
+        return fileNamePath;
+    }
+}
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