improving definition send and view intents

3 files changed, 281 insertions, 191 deletions

diff --git a/org_apg/AndroidManifest.xml b/org_apg/AndroidManifest.xml
index fe1bffaee..570cf72c2 100644
--- a/org_apg/AndroidManifest.xml
+++ b/org_apg/AndroidManifest.xml
@@ -24,6 +24,7 @@
     <!--
         General remarks
         ===============
+        - Last APG 1 version was 10900 (1.0.9 beta 00)
         - APG 2 starting with versionCode 20000! 
         
     
@@ -88,6 +89,7 @@
             <intent-filter>
                 <action android:name="android.intent.action.SEARCH" />
             </intent-filter>
+            <!-- APG's own Actions -->
             <intent-filter android:label="@string/intent_import_key" >
                 <action android:name="org.thialfihar.android.apg.intent.IMPORT" />
 
@@ -95,6 +97,7 @@
 
                 <data android:mimeType="*/*" />
             </intent-filter>
+            <!-- Linking "Import key" to file types -->
             <intent-filter android:label="@string/intent_import_key" >
                 <action android:name="android.intent.action.VIEW" />
 
@@ -212,6 +215,8 @@
             android:label="@string/title_encrypt"
             android:uiOptions="splitActionBarWhenNarrow"
             android:windowSoftInputMode="stateHidden" >
+
+            <!-- APG's own Actions -->
             <intent-filter>
                 <action android:name="org.thialfihar.android.apg.intent.ENCRYPT" />
                 <action android:name="org.thialfihar.android.apg.intent.ENCRYPT_FILE" />
@@ -222,6 +227,14 @@
 
                 <data android:mimeType="*/*" />
             </intent-filter>
+            <!-- Android's Send Action -->
+            <intent-filter android:label="@string/intent_send_encrypt" >
+                <action android:name="android.intent.action.SEND" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+
+                <data android:mimeType="*/*" />
+            </intent-filter>
         </activity>
         <activity
             android:name=".ui.DecryptActivity"
@@ -229,6 +242,8 @@
             android:label="@string/title_decrypt"
             android:uiOptions="splitActionBarWhenNarrow"
             android:windowSoftInputMode="stateHidden" >
+
+            <!-- APG's own Actions -->
             <intent-filter>
                 <action android:name="org.thialfihar.android.apg.intent.DECRYPT" />
                 <action android:name="org.thialfihar.android.apg.intent.DECRYPT_FILE" />
@@ -238,6 +253,15 @@
 
                 <data android:mimeType="*/*" />
             </intent-filter>
+            <!-- Android's Send Action -->
+            <intent-filter android:label="@string/intent_send_decrypt" >
+                <action android:name="android.intent.action.SEND" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+
+                <data android:mimeType="*/*" />
+            </intent-filter>
+            <!-- Linking "Decrypt" to file types -->
             <intent-filter android:label="@string/intent_decrypt_file" >
                 <action android:name="android.intent.action.VIEW" />
 
diff --git a/org_apg/src/org/thialfihar/android/apg/ui/DecryptActivity.java b/org_apg/src/org/thialfihar/android/apg/ui/DecryptActivity.java
index e9b26935c..46bfbdfe5 100644
--- a/org_apg/src/org/thialfihar/android/apg/ui/DecryptActivity.java
+++ b/org_apg/src/org/thialfihar/android/apg/ui/DecryptActivity.java
@@ -58,11 +58,9 @@ import android.widget.Toast;
 import android.widget.ViewFlipper;
 
 import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
-import java.io.IOException;
 import java.io.InputStream;
 import java.util.regex.Matcher;
 
@@ -83,8 +81,6 @@ public class DecryptActivity extends SherlockFragmentActivity {
 
     private long mSignatureKeyId = 0;
 
-    private Intent mIntent;
-
     private boolean mReturnResult = false;
     private String mReplyTo = null;
     private String mSubject = null;
@@ -253,10 +249,12 @@ public class DecryptActivity extends SherlockFragmentActivity {
 
         boolean decryptImmediately = false;
 
-        mIntent = getIntent();
+        // Get intent, action and MIME type
+        Intent intent = getIntent();
+        String action = intent.getAction();
+        String type = intent.getType();
 
-        // handled separately from other actions as it uses mIntent.setAction()
-        if (Intent.ACTION_VIEW.equals(mIntent.getAction())) {
+        if (Intent.ACTION_VIEW.equals(action)) {
 
             // TODO: old implementation of ACTION_VIEW. Is this used in K9?
 
@@ -279,100 +277,29 @@ public class DecryptActivity extends SherlockFragmentActivity {
             // }
 
             // same as ACTION_DECRYPT_FILE but decrypt it immediately
-            mIntent.setAction(ACTION_DECRYPT_FILE);
+            handleActionDecryptFile(intent);
             decryptImmediately = true;
-        }
-
-        if (ACTION_DECRYPT.equals(mIntent.getAction())) {
-            Log.d(Constants.TAG, "Apg Intent DECRYPT startet");
-            Bundle extras = mIntent.getExtras();
-            if (extras == null) {
-                Log.d(Constants.TAG, "extra bundle was null");
-                extras = new Bundle();
-            } else {
-                Log.d(Constants.TAG, "got extras");
-            }
-
-            mData = extras.getByteArray(EXTRA_DATA);
-            String textData = null;
-            if (mData == null) {
-                Log.d(Constants.TAG, "EXTRA_DATA was null");
-                textData = extras.getString(EXTRA_TEXT);
-            } else {
-                Log.d(Constants.TAG, "Got data from EXTRA_DATA");
-            }
-            if (textData != null) {
-                Log.d(Constants.TAG, "textData null, matching text ...");
-                Matcher matcher = PGPMain.PGP_MESSAGE.matcher(textData);
-                if (matcher.matches()) {
-                    Log.d(Constants.TAG, "PGP_MESSAGE matched");
-                    textData = matcher.group(1);
-                    // replace non breakable spaces
-                    textData = textData.replaceAll("\\xa0", " ");
-                    mMessage.setText(textData);
-                } else {
-                    matcher = PGPMain.PGP_SIGNED_MESSAGE.matcher(textData);
-                    if (matcher.matches()) {
-                        Log.d(Constants.TAG, "PGP_SIGNED_MESSAGE matched");
-                        textData = matcher.group(1);
-                        // replace non breakable spaces
-                        textData = textData.replaceAll("\\xa0", " ");
-                        mMessage.setText(textData);
-
-                        mDecryptString = getString(R.string.btn_verify);
-                        // build new action bar
-                        invalidateOptionsMenu();
-                    } else {
-                        Log.d(Constants.TAG, "Nothing matched!");
-                    }
+        } else if (Intent.ACTION_SEND.equals(action) && type != null) {
+            if ("text/plain".equals(type)) {
+                String sharedText = intent.getStringExtra(Intent.EXTRA_TEXT);
+                if (sharedText != null) {
+                    intent.putExtra(EXTRA_TEXT, sharedText);
+                    handleActionDecrypt(intent);
+                    decryptImmediately = true;
                 }
-            }
-            mReplyTo = extras.getString(EXTRA_REPLY_TO);
-            mSubject = extras.getString(EXTRA_SUBJECT);
-        } else if (ACTION_DECRYPT_FILE.equals(mIntent.getAction())) {
-            mInputFilename = mIntent.getData().getPath();
-            mFilename.setText(mInputFilename);
-            guessOutputFilename();
-            mSource.setInAnimation(null);
-            mSource.setOutAnimation(null);
-            while (mSource.getCurrentView().getId() != R.id.sourceFile) {
-                mSource.showNext();
-            }
-        } else if (ACTION_DECRYPT_AND_RETURN.equals(mIntent.getAction())) {
-            mContentUri = mIntent.getData();
-            Bundle extras = mIntent.getExtras();
-            if (extras == null) {
-                extras = new Bundle();
-            }
-
-            mReturnBinary = extras.getBoolean(EXTRA_BINARY, false);
+            } else {
+                Uri uri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
+                if (uri != null) {
+                    // TODO: Implement for binary
 
-            if (mContentUri == null) {
-                mData = extras.getByteArray(EXTRA_DATA);
-                String data = extras.getString(EXTRA_TEXT);
-                if (data != null) {
-                    Matcher matcher = PGPMain.PGP_MESSAGE.matcher(data);
-                    if (matcher.matches()) {
-                        data = matcher.group(1);
-                        // replace non breakable spaces
-                        data = data.replaceAll("\\xa0", " ");
-                        mMessage.setText(data);
-                    } else {
-                        matcher = PGPMain.PGP_SIGNED_MESSAGE.matcher(data);
-                        if (matcher.matches()) {
-                            data = matcher.group(1);
-                            // replace non breakable spaces
-                            data = data.replaceAll("\\xa0", " ");
-                            mMessage.setText(data);
-                            mDecryptString = getString(R.string.btn_verify);
-
-                            // build new action bar
-                            invalidateOptionsMenu();
-                        }
-                    }
                 }
             }
-            mReturnResult = true;
+        } else if (ACTION_DECRYPT.equals(action)) {
+            handleActionDecrypt(intent);
+        } else if (ACTION_DECRYPT_FILE.equals(action)) {
+            handleActionDecryptFile(intent);
+        } else if (ACTION_DECRYPT_AND_RETURN.equals(action)) {
+            handleActionDecryptAndReturn(intent);
         }
 
         if (mSource.getCurrentView().getId() == R.id.sourceMessage
@@ -437,6 +364,118 @@ public class DecryptActivity extends SherlockFragmentActivity {
         }
     }
 
+    /**
+     * Handles activity intent with ACTION_DECRYPT
+     * 
+     * @param intent
+     */
+    private void handleActionDecrypt(Intent intent) {
+        Log.d(Constants.TAG, "Apg Intent DECRYPT startet");
+
+        Bundle extras = intent.getExtras();
+        if (extras == null) {
+            Log.d(Constants.TAG, "extra bundle was null");
+            extras = new Bundle();
+        } else {
+            Log.d(Constants.TAG, "got extras");
+        }
+
+        mData = extras.getByteArray(EXTRA_DATA);
+        String textData = null;
+        if (mData == null) {
+            Log.d(Constants.TAG, "EXTRA_DATA was null");
+            textData = extras.getString(EXTRA_TEXT);
+        } else {
+            Log.d(Constants.TAG, "Got data from EXTRA_DATA");
+        }
+        if (textData != null) {
+            Log.d(Constants.TAG, "textData null, matching text ...");
+            Matcher matcher = PGPMain.PGP_MESSAGE.matcher(textData);
+            if (matcher.matches()) {
+                Log.d(Constants.TAG, "PGP_MESSAGE matched");
+                textData = matcher.group(1);
+                // replace non breakable spaces
+                textData = textData.replaceAll("\\xa0", " ");
+                mMessage.setText(textData);
+            } else {
+                matcher = PGPMain.PGP_SIGNED_MESSAGE.matcher(textData);
+                if (matcher.matches()) {
+                    Log.d(Constants.TAG, "PGP_SIGNED_MESSAGE matched");
+                    textData = matcher.group(1);
+                    // replace non breakable spaces
+                    textData = textData.replaceAll("\\xa0", " ");
+                    mMessage.setText(textData);
+
+                    mDecryptString = getString(R.string.btn_verify);
+                    // build new action bar
+                    invalidateOptionsMenu();
+                } else {
+                    Log.d(Constants.TAG, "Nothing matched!");
+                }
+            }
+        }
+        mReplyTo = extras.getString(EXTRA_REPLY_TO);
+        mSubject = extras.getString(EXTRA_SUBJECT);
+    }
+
+    /**
+     * Handles activity intent with ACTION_DECRYPT_FILE
+     * 
+     * @param intent
+     */
+    private void handleActionDecryptFile(Intent intent) {
+        mInputFilename = intent.getData().getPath();
+        mFilename.setText(mInputFilename);
+        guessOutputFilename();
+        mSource.setInAnimation(null);
+        mSource.setOutAnimation(null);
+        while (mSource.getCurrentView().getId() != R.id.sourceFile) {
+            mSource.showNext();
+        }
+    }
+
+    /**
+     * Handles activity intent with ACTION_DECRYPT_AND_RETURN
+     * 
+     * @param intent
+     */
+    private void handleActionDecryptAndReturn(Intent intent) {
+        mContentUri = intent.getData();
+        Bundle extras = intent.getExtras();
+        if (extras == null) {
+            extras = new Bundle();
+        }
+
+        mReturnBinary = extras.getBoolean(EXTRA_BINARY, false);
+
+        if (mContentUri == null) {
+            mData = extras.getByteArray(EXTRA_DATA);
+            String data = extras.getString(EXTRA_TEXT);
+            if (data != null) {
+                Matcher matcher = PGPMain.PGP_MESSAGE.matcher(data);
+                if (matcher.matches()) {
+                    data = matcher.group(1);
+                    // replace non breakable spaces
+                    data = data.replaceAll("\\xa0", " ");
+                    mMessage.setText(data);
+                } else {
+                    matcher = PGPMain.PGP_SIGNED_MESSAGE.matcher(data);
+                    if (matcher.matches()) {
+                        data = matcher.group(1);
+                        // replace non breakable spaces
+                        data = data.replaceAll("\\xa0", " ");
+                        mMessage.setText(data);
+                        mDecryptString = getString(R.string.btn_verify);
+
+                        // build new action bar
+                        invalidateOptionsMenu();
+                    }
+                }
+            }
+        }
+        mReturnResult = true;
+    }
+
     private void guessOutputFilename() {
         mInputFilename = mFilename.getText().toString();
         File file = new File(mInputFilename);
diff --git a/org_apg/src/org/thialfihar/android/apg/ui/EncryptActivity.java b/org_apg/src/org/thialfihar/android/apg/ui/EncryptActivity.java
index a65f2fc72..1e5159c98 100644
--- a/org_apg/src/org/thialfihar/android/apg/ui/EncryptActivity.java
+++ b/org_apg/src/org/thialfihar/android/apg/ui/EncryptActivity.java
@@ -86,7 +86,6 @@ public class EncryptActivity extends SherlockFragmentActivity {
     public static final String EXTRA_SIGNATURE_KEY_ID = "signatureKeyId";
     public static final String EXTRA_ENCRYPTION_KEY_IDS = "encryptionKeyIds";
 
-    private Intent mIntent = null;
     private String mSubject = null;
     private String mSendTo = null;
 
@@ -343,104 +342,31 @@ public class EncryptActivity extends SherlockFragmentActivity {
             }
         });
 
-        mIntent = getIntent();
-        if (ACTION_ENCRYPT.equals(mIntent.getAction())
-                || ACTION_ENCRYPT_FILE.equals(mIntent.getAction())
-                || ACTION_ENCRYPT_AND_RETURN.equals(mIntent.getAction())
-                || ACTION_GENERATE_SIGNATURE.equals(mIntent.getAction())) {
-            mContentUri = mIntent.getData();
-            Bundle extras = mIntent.getExtras();
-            if (extras == null) {
-                extras = new Bundle();
-            }
-
-            if (ACTION_ENCRYPT_AND_RETURN.equals(mIntent.getAction())
-                    || ACTION_GENERATE_SIGNATURE.equals(mIntent.getAction())) {
-                mReturnResult = true;
-            }
-
-            if (ACTION_GENERATE_SIGNATURE.equals(mIntent.getAction())) {
-                mGenerateSignature = true;
-                mOverrideAsciiArmour = true;
-                mAsciiArmourDemand = false;
-            }
-
-            if (extras.containsKey(EXTRA_ASCII_ARMOUR)) {
-                mAsciiArmourDemand = extras.getBoolean(EXTRA_ASCII_ARMOUR, true);
-                mOverrideAsciiArmour = true;
-                mAsciiArmour.setChecked(mAsciiArmourDemand);
-            }
-
-            mData = extras.getByteArray(EXTRA_DATA);
-            String textData = null;
-            if (mData == null) {
-                textData = extras.getString(EXTRA_TEXT);
-            }
-            mSendTo = extras.getString(EXTRA_SEND_TO);
-            mSubject = extras.getString(EXTRA_SUBJECT);
-            long signatureKeyId = extras.getLong(EXTRA_SIGNATURE_KEY_ID);
-            long encryptionKeyIds[] = extras.getLongArray(EXTRA_ENCRYPTION_KEY_IDS);
-            if (signatureKeyId != 0) {
-                PGPSecretKeyRing keyRing = PGPMain.getSecretKeyRing(signatureKeyId);
-                PGPSecretKey masterKey = null;
-                if (keyRing != null) {
-                    masterKey = PGPHelper.getMasterKey(keyRing);
-                    if (masterKey != null) {
-                        Vector<PGPSecretKey> signKeys = PGPHelper.getUsableSigningKeys(keyRing);
-                        if (signKeys.size() > 0) {
-                            setSecretKeyId(masterKey.getKeyID());
-                        }
-                    }
-                }
-            }
-
-            if (encryptionKeyIds != null) {
-                Vector<Long> goodIds = new Vector<Long>();
-                for (int i = 0; i < encryptionKeyIds.length; ++i) {
-                    PGPPublicKeyRing keyRing = PGPMain.getPublicKeyRing(encryptionKeyIds[i]);
-                    PGPPublicKey masterKey = null;
-                    if (keyRing == null) {
-                        continue;
-                    }
-                    masterKey = PGPHelper.getMasterKey(keyRing);
-                    if (masterKey == null) {
-                        continue;
-                    }
-                    Vector<PGPPublicKey> encryptKeys = PGPHelper.getUsableEncryptKeys(keyRing);
-                    if (encryptKeys.size() == 0) {
-                        continue;
-                    }
-                    goodIds.add(masterKey.getKeyID());
-                }
-                if (goodIds.size() > 0) {
-                    mEncryptionKeyIds = new long[goodIds.size()];
-                    for (int i = 0; i < goodIds.size(); ++i) {
-                        mEncryptionKeyIds[i] = goodIds.get(i);
-                    }
+        // Get intent, action and MIME type
+        Intent intent = getIntent();
+        String action = intent.getAction();
+        String type = intent.getType();
+
+        if (Intent.ACTION_SEND.equals(action) && type != null) {
+            if ("text/plain".equals(type)) {
+                String sharedText = intent.getStringExtra(Intent.EXTRA_TEXT);
+                if (sharedText != null) {
+                    intent.setAction(ACTION_ENCRYPT);
+                    intent.putExtra(EXTRA_TEXT, sharedText);
+                    intent.putExtra(EXTRA_ASCII_ARMOUR, true);
+                    handleActionEncryptSign(intent);
                 }
-            }
+            } else {
+                Uri uri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
+                if (uri != null) {
+                    // TODO: Implement for binary
 
-            if (ACTION_ENCRYPT.equals(mIntent.getAction())
-                    || ACTION_ENCRYPT_AND_RETURN.equals(mIntent.getAction())
-                    || ACTION_GENERATE_SIGNATURE.equals(mIntent.getAction())) {
-                if (textData != null) {
-                    mMessage.setText(textData);
-                }
-                mSource.setInAnimation(null);
-                mSource.setOutAnimation(null);
-                while (mSource.getCurrentView().getId() != R.id.sourceMessage) {
-                    mSource.showNext();
-                }
-            } else if (ACTION_ENCRYPT_FILE.equals(mIntent.getAction())) {
-                mInputFilename = mIntent.getData().getPath();
-                mFilename.setText(mInputFilename);
-                guessOutputFilename();
-                mSource.setInAnimation(null);
-                mSource.setOutAnimation(null);
-                while (mSource.getCurrentView().getId() != R.id.sourceFile) {
-                    mSource.showNext();
                 }
             }
+        } else if (ACTION_ENCRYPT.equals(action) || ACTION_ENCRYPT_FILE.equals(action)
+                || ACTION_ENCRYPT_AND_RETURN.equals(action)
+                || ACTION_GENERATE_SIGNATURE.equals(action)) {
+            handleActionEncryptSign(intent);
         }
 
         updateView();
@@ -469,6 +395,107 @@ public class EncryptActivity extends SherlockFragmentActivity {
         }
     }
 
+    /**
+     * Handles all actions with this intent
+     * 
+     * @param intent
+     */
+    private void handleActionEncryptSign(Intent intent) {
+        String action = intent.getAction();
+
+        mContentUri = intent.getData();
+        Bundle extras = intent.getExtras();
+        if (extras == null) {
+            extras = new Bundle();
+        }
+
+        if (ACTION_ENCRYPT_AND_RETURN.equals(action) || ACTION_GENERATE_SIGNATURE.equals(action)) {
+            mReturnResult = true;
+        }
+
+        if (ACTION_GENERATE_SIGNATURE.equals(action)) {
+            mGenerateSignature = true;
+            mOverrideAsciiArmour = true;
+            mAsciiArmourDemand = false;
+        }
+
+        if (extras.containsKey(EXTRA_ASCII_ARMOUR)) {
+            mAsciiArmourDemand = extras.getBoolean(EXTRA_ASCII_ARMOUR, true);
+            mOverrideAsciiArmour = true;
+            mAsciiArmour.setChecked(mAsciiArmourDemand);
+        }
+
+        mData = extras.getByteArray(EXTRA_DATA);
+        String textData = null;
+        if (mData == null) {
+            textData = extras.getString(EXTRA_TEXT);
+        }
+        mSendTo = extras.getString(EXTRA_SEND_TO);
+        mSubject = extras.getString(EXTRA_SUBJECT);
+        long signatureKeyId = extras.getLong(EXTRA_SIGNATURE_KEY_ID);
+        long encryptionKeyIds[] = extras.getLongArray(EXTRA_ENCRYPTION_KEY_IDS);
+        if (signatureKeyId != 0) {
+            PGPSecretKeyRing keyRing = PGPMain.getSecretKeyRing(signatureKeyId);
+            PGPSecretKey masterKey = null;
+            if (keyRing != null) {
+                masterKey = PGPHelper.getMasterKey(keyRing);
+                if (masterKey != null) {
+                    Vector<PGPSecretKey> signKeys = PGPHelper.getUsableSigningKeys(keyRing);
+                    if (signKeys.size() > 0) {
+                        setSecretKeyId(masterKey.getKeyID());
+                    }
+                }
+            }
+        }
+
+        if (encryptionKeyIds != null) {
+            Vector<Long> goodIds = new Vector<Long>();
+            for (int i = 0; i < encryptionKeyIds.length; ++i) {
+                PGPPublicKeyRing keyRing = PGPMain.getPublicKeyRing(encryptionKeyIds[i]);
+                PGPPublicKey masterKey = null;
+                if (keyRing == null) {
+                    continue;
+                }
+                masterKey = PGPHelper.getMasterKey(keyRing);
+                if (masterKey == null) {
+                    continue;
+                }
+                Vector<PGPPublicKey> encryptKeys = PGPHelper.getUsableEncryptKeys(keyRing);
+                if (encryptKeys.size() == 0) {
+                    continue;
+                }
+                goodIds.add(masterKey.getKeyID());
+            }
+            if (goodIds.size() > 0) {
+                mEncryptionKeyIds = new long[goodIds.size()];
+                for (int i = 0; i < goodIds.size(); ++i) {
+                    mEncryptionKeyIds[i] = goodIds.get(i);
+                }
+            }
+        }
+
+        if (ACTION_ENCRYPT.equals(action) || ACTION_ENCRYPT_AND_RETURN.equals(action)
+                || ACTION_GENERATE_SIGNATURE.equals(action)) {
+            if (textData != null) {
+                mMessage.setText(textData);
+            }
+            mSource.setInAnimation(null);
+            mSource.setOutAnimation(null);
+            while (mSource.getCurrentView().getId() != R.id.sourceMessage) {
+                mSource.showNext();
+            }
+        } else if (ACTION_ENCRYPT_FILE.equals(action)) {
+            mInputFilename = intent.getData().getPath();
+            mFilename.setText(mInputFilename);
+            guessOutputFilename();
+            mSource.setInAnimation(null);
+            mSource.setOutAnimation(null);
+            while (mSource.getCurrentView().getId() != R.id.sourceFile) {
+                mSource.showNext();
+            }
+        }
+    }
+
     private void guessOutputFilename() {
         mInputFilename = mFilename.getText().toString();
         File file = new File(mInputFilename);