Resolve Android content: URLs

This allows opening boarding passes from other apps, such as the
file manager.

add_license.sh

 #!/bin/bash
 
-find "$@" -name '*.h' -o -name '*.cpp' -o -name '*.qml' | grep -v /3rdparty/ | while read FILE; do
+find "$@" -name '*.h' -o -name '*.cpp' -o -name '*.qml' -o -name '*.java'| grep -v /3rdparty/ | while read FILE; do
     if grep -qiE "Copyright \(C\) [0-9, -]{4,} " "$FILE" ; then continue; fi
     thisfile=`basename $FILE`
     authorName=`git config user.name`

src/app/AndroidManifest.xml

@@ -6,7 +6,7 @@
           android:installLocation="auto">
     <application android:name="org.qtproject.qt5.android.bindings.QtApplication" android:label="KDE Itinerary" android:icon="@drawable/icon">
         <activity android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|layoutDirection|locale|fontScale|keyboard|keyboardHidden|navigation"
-                  android:name="org.qtproject.qt5.android.bindings.QtActivity"
+                  android:name="org.kde.itinerary.Activity"
                   android:label="KDE Itinerary"
                   android:windowSoftInputMode="adjustResize"
                   android:launchMode="singleTop">

src/app/CMakeLists.txt

-add_library(itinerary STATIC
+set(itinerary_srcs
     pkpassmanager.cpp
     timelinemodel.cpp
 )
+ecm_qt_declare_logging_category(itinerary_srcs
+    HEADER logging.h
+    IDENTIFIER Log
+    CATEGORY_NAME org.kde.itinerary
+)
+add_library(itinerary STATIC ${itinerary_srcs})
 target_link_libraries(itinerary PUBLIC
     KPkPass
 )

src/app/main.cpp

@@ -16,6 +16,7 @@
 */
 
 #include "itinerary_version.h"
+#include "logging.h"
 
 #include "pkpassmanager.h"
 #include "timelinemodel.h"
@@ -33,9 +34,43 @@
 #endif
 
 #include <QCommandLineParser>
+#include <QDebug>
 #include <QGuiApplication>
 #include <QIcon>
 
+void handleViewIntent(PkPassManager *passMgr)
+{
+#ifdef Q_OS_ANDROID
+    // handle opened files
+    const auto activity = QtAndroid::androidActivity();
+    if (!activity.isValid())
+        return;
+
+    const auto intent = activity.callObjectMethod("getIntent", "()Landroid/content/Intent;");
+    if (!intent.isValid())
+        return;
+
+    const auto uri = intent.callObjectMethod("getData", "()Landroid/net/Uri;");
+    if (!uri.isValid())
+        return;
+
+    const auto scheme = uri.callObjectMethod("getScheme", "()Ljava/lang/String;");
+    if (scheme.toString() == QLatin1String("content")) {
+        const auto tmpFile = activity.callObjectMethod("receiveContent", "(Landroid/net/Uri;)Ljava/lang/String;", uri.object<jobject>());
+        passMgr->importPass(QUrl::fromLocalFile(tmpFile.toString()));
+    } else if (scheme.toString() == QLatin1String("file")) {
+        const auto uriStr = uri.callObjectMethod("toString", "()Ljava/lang/String;");
+        passMgr->importPass(QUrl(uriStr.toString()));
+    } else {
+        const auto uriStr = uri.callObjectMethod("toString", "()Ljava/lang/String;");
+        qCWarning(Log) << "Unknown intent URI:" << uriStr.toString();
+    }
+#else
+    Q_UNUSED(passMgr);
+#endif
+}
+
+
 #ifdef Q_OS_ANDROID
 Q_DECL_EXPORT
 #endif
@@ -73,21 +108,7 @@ int main(int argc, char **argv)
 
     for (const auto &file : parser.positionalArguments())
         passMgr.importPass(QUrl::fromLocalFile(file));
-
-#ifdef Q_OS_ANDROID
-    // handle opened files
-    const auto activity = QtAndroid::androidActivity();
-    if (activity.isValid()) {
-        const auto intent = activity.callObjectMethod("getIntent", "()Landroid/content/Intent;");
-        if (intent.isValid()) {
-            const auto data = intent.callObjectMethod("getDataString", "()Ljava/lang/String;");
-            if (data.isValid()) {
-                // TODO handle content:// urls
-                passMgr.importPass(QUrl(data.toString()));
-            }
-        }
-    }
-#endif
+    handleViewIntent(&passMgr);
 
     return app.exec();
 }

src/app/src/org/kde/itinerary/Activity.java

+/*
+    Copyright (C) 2018 Volker Krause <vkrause@kde.org>
+
+    This program is free software; you can redistribute it and/or modify it
+    under the terms of the GNU Library General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or (at your
+    option) any later version.
+
+    This program 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 Library General Public
+    License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package org.kde.itinerary;
+
+import org.qtproject.qt5.android.bindings.QtActivity;
+
+import android.content.ContentResolver;
+import android.net.Uri;
+import android.util.Log;
+
+import java.io.*;
+
+
+public class Activity extends QtActivity
+{
+    private static final String TAG = "org.kde.itinerary";
+
+    public String receiveContent(Uri uri)
+    {
+        ContentResolver resolver = getContentResolver();
+        File tempFile = new File(getCacheDir(), "content"); // TODO use random name
+
+        try {
+            InputStream is = resolver.openInputStream(uri);
+
+            tempFile.createNewFile();
+            FileOutputStream os = new FileOutputStream(tempFile);
+
+            while (true) {
+                byte[] buffer = new byte[4096];
+                int size = is.read(buffer, 0, 4096);
+                if (size < 0) {
+                    break;
+                }
+                os.write(buffer, 0, size);
+            }
+            os.close();
+        } catch (Exception e) {
+            Log.e(TAG, e.toString());
+            return "";
+        }
+
+        return tempFile.toString();
+    }
+}