Merge branch 'development' of https://github.com/adithyaphilip/open-keychain into adithyaphilip-development

Conflicts:
	OpenKeychain/src/main/res/values/strings.xml

2 files changed, 203 insertions, 2 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java
index 519efcd62..54cd9b1b4 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java
@@ -762,6 +762,13 @@ public abstract class OperationResult implements Parcelable {
         MSG_DEL_CONSOLIDATE (LogLevel.DEBUG, R.string.msg_del_consolidate),
         MSG_DEL_OK (LogLevel.OK, R.plurals.msg_del_ok),
         MSG_DEL_FAIL (LogLevel.WARN, R.plurals.msg_del_fail),
+
+        //export log
+        MSG_EXPORT_LOG(LogLevel.START,R.string.msg_export_log_start),
+        MSG_EXPORT_LOG_EXPORT_ERROR_NO_FILE(LogLevel.ERROR,R.string.msg_export_log_error_no_file),
+        MSG_EXPORT_LOG_EXPORT_ERROR_FOPEN(LogLevel.ERROR,R.string.msg_export_log_error_fopen),
+        MSG_EXPORT_LOG_EXPORT_ERROR_WRITING(LogLevel.ERROR,R.string.msg_export_log_error_writing),
+        MSG_EXPORT_LOG_EXPORT_SUCCESS (LogLevel.OK, R.string.msg_export_log_success),
         ;
 
         public final int mMsgId;
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/LogDisplayFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/LogDisplayFragment.java
index b655a7e55..138f2f4e7 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/LogDisplayFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/LogDisplayFragment.java
@@ -22,9 +22,13 @@ import android.content.Context;
 import android.content.Intent;
 import android.graphics.Color;
 import android.os.Bundle;
+import android.os.Parcel;
 import android.support.v4.app.ListFragment;
 import android.util.TypedValue;
 import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
@@ -33,11 +37,19 @@ import android.widget.ArrayAdapter;
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import org.sufficientlysecure.keychain.Constants;
 import org.sufficientlysecure.keychain.R;
 import org.sufficientlysecure.keychain.operations.results.OperationResult;
 import org.sufficientlysecure.keychain.operations.results.OperationResult.LogEntryParcel;
 import org.sufficientlysecure.keychain.operations.results.OperationResult.LogLevel;
 import org.sufficientlysecure.keychain.operations.results.OperationResult.SubLogEntryParcel;
+import org.sufficientlysecure.keychain.util.FileHelper;
+import org.sufficientlysecure.keychain.util.Log;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.PrintWriter;
+import java.util.Iterator;
 
 public class LogDisplayFragment extends ListFragment implements OnItemClickListener {
 
@@ -46,6 +58,12 @@ public class LogDisplayFragment extends ListFragment implements OnItemClickListe
     OperationResult mResult;
 
     public static final String EXTRA_RESULT = "log";
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        setHasOptionsMenu(true);
+    }
 
     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
@@ -70,6 +88,183 @@ public class LogDisplayFragment extends ListFragment implements OnItemClickListe
 
         getListView().setFastScrollEnabled(true);
         getListView().setDividerHeight(0);
+
+    }
+
+    @Override
+    public void onCreateOptionsMenu(final Menu menu, final MenuInflater inflater) {
+        inflater.inflate(R.menu.log_display, menu);
+
+        super.onCreateOptionsMenu(menu, inflater);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case R.id.menu_log_display_export_log:
+                exportLog();
+                break;
+        }
+
+        return super.onOptionsItemSelected(item);
+    }
+
+    private void exportLog() {
+
+        showExportLogDialog(new File(Constants.Path.APP_DIR, "export.log"));
+    }
+
+    private void writeToLogFile(final OperationResult.OperationLog operationLog, final File f) {
+        OperationResult.OperationLog currLog = new OperationResult.OperationLog();
+        currLog.add(OperationResult.LogType.MSG_EXPORT_LOG, 0);
+
+        boolean error = false;
+
+        PrintWriter pw = null;
+        try {
+            pw = new PrintWriter(f);
+            pw.print(getPrintableOperationLog(operationLog, ""));
+            if (pw.checkError()) {//IOException
+                Log.e(Constants.TAG, "Log Export I/O Exception " + f.getAbsolutePath());
+                currLog.add(OperationResult.LogType.MSG_EXPORT_LOG_EXPORT_ERROR_WRITING, 1);
+                error = true;
+            }
+        } catch (FileNotFoundException e) {
+            Log.e(Constants.TAG, "File not found for exporting log " + f.getAbsolutePath());
+            currLog.add(OperationResult.LogType.MSG_EXPORT_LOG_EXPORT_ERROR_FOPEN, 1);
+            error = true;
+        }
+        if (pw != null) {
+            pw.close();
+            if (!error && pw.checkError()) {//check if it is only pw.close() which generated error
+                currLog.add(OperationResult.LogType.MSG_EXPORT_LOG_EXPORT_ERROR_WRITING, 1);
+                error = true;
+            }
+        }
+
+        if (!error) currLog.add(OperationResult.LogType.MSG_EXPORT_LOG_EXPORT_SUCCESS, 1);
+
+        int opResultCode = error ? OperationResult.RESULT_ERROR : OperationResult.RESULT_OK;
+        OperationResult opResult = new LogExportResult(opResultCode, currLog);
+        opResult.createNotify(getActivity()).show();
+    }
+
+    /**
+     * returns an indented String of an entire OperationLog
+     *
+     * @param opLog       log to be converted to indented, printable format
+     * @param basePadding padding to add at the start of all log entries, made for use with SubLogs
+     * @return printable, indented version of passed operationLog
+     */
+    private String getPrintableOperationLog(OperationResult.OperationLog opLog, String basePadding) {
+        String log = "";
+        for (Iterator<LogEntryParcel> logIterator = opLog.iterator(); logIterator.hasNext(); ) {
+            log += getPrintableLogEntry(logIterator.next(), basePadding) + "\n";
+        }
+        log = log.substring(0, log.length() - 1);//gets rid of extra new line
+        return log;
+    }
+
+    /**
+     * returns an indented String of a LogEntryParcel including any sub-logs it may contain
+     *
+     * @param entryParcel log entryParcel whose String representation is to be obtained
+     * @return indented version of passed log entryParcel in a readable format
+     */
+    private String getPrintableLogEntry(OperationResult.LogEntryParcel entryParcel,
+                                        String basePadding) {
+
+        final String indent = "    ";//4 spaces = 1 Indent level
+
+        String padding = basePadding;
+        for (int i = 0; i < entryParcel.mIndent; i++) {
+            padding += indent;
+        }
+        String logText = padding;
+
+        switch (entryParcel.mType.mLevel) {
+            case DEBUG:
+                logText += "[DEBUG]";
+                break;
+            case INFO:
+                logText += "[INFO]";
+                break;
+            case WARN:
+                logText += "[WARN]";
+                break;
+            case ERROR:
+                logText += "[ERROR]";
+                break;
+            case START:
+                logText += "[START]";
+                break;
+            case OK:
+                logText += "[OK]";
+                break;
+            case CANCELLED:
+                logText += "[CANCELLED]";
+                break;
+        }
+
+        // special case: first parameter may be a quantity
+        if (entryParcel.mParameters != null && entryParcel.mParameters.length > 0
+                && entryParcel.mParameters[0] instanceof Integer) {
+            logText += getResources().getQuantityString(entryParcel.mType.getMsgId(),
+                    (Integer) entryParcel.mParameters[0],
+                    entryParcel.mParameters);
+        } else {
+            logText += getResources().getString(entryParcel.mType.getMsgId(),
+                    entryParcel.mParameters);
+        }
+
+        if (entryParcel instanceof SubLogEntryParcel) {
+            OperationResult subResult = ((SubLogEntryParcel) entryParcel).getSubResult();
+            LogEntryParcel subEntry = subResult.getLog().getLast();
+            if (subEntry != null) {
+                //the first line of log of subResult is same as entryParcel, so replace logText
+                logText = getPrintableOperationLog(subResult.getLog(), padding);
+            }
+        }
+
+        return logText;
+    }
+
+    private void showExportLogDialog(final File exportFile) {
+
+        String title = this.getString(R.string.title_export_log);
+
+        String message = this.getString(R.string.specify_file_to_export_log_to);
+
+        FileHelper.saveFile(new FileHelper.FileDialogCallback() {
+            @Override
+            public void onFileSelected(File file, boolean checked) {
+                writeToLogFile(mResult.getLog(), file);
+            }
+        }, this.getActivity().getSupportFragmentManager(), title, message, exportFile, null);
+    }
+
+    private static class LogExportResult extends OperationResult {
+
+        public static Creator<LogExportResult> CREATOR = new Creator<LogExportResult>() {
+            public LogExportResult createFromParcel(final Parcel source) {
+                return new LogExportResult(source);
+            }
+
+            public LogExportResult[] newArray(final int size) {
+                return new LogExportResult[size];
+            }
+        };
+
+        public LogExportResult(int result, OperationLog log) {
+            super(result, log);
+        }
+
+        /**
+         * trivial but necessary to implement the Parcelable protocol.
+         */
+        public LogExportResult(Parcel source) {
+            super(source);
+        }
     }
 
     @Override
@@ -109,7 +304,7 @@ public class LogDisplayFragment extends ListFragment implements OnItemClickListe
                 mSecondImg = secondImg;
             }
         }
-
+        // Check if convertView.setPadding is redundant
         @Override
         public View getView(int position, View convertView, ViewGroup parent) {
             LogEntryParcel entry = getItem(position);
@@ -132,7 +327,6 @@ public class LogDisplayFragment extends ListFragment implements OnItemClickListe
             if (entry instanceof SubLogEntryParcel) {
                 ih.mSub.setVisibility(View.VISIBLE);
                 convertView.setClickable(false);
-
                 convertView.setPadding((entry.mIndent) * dipFactor, 0, 0, 0);
 
                 OperationResult result = ((SubLogEntryParcel) entry).getSubResult();