bug 638523 - Save Image saves htm, not the image r=dougt a=blocking-fennec

embedding/android/GeckoApp.java

@@ -636,7 +636,7 @@ abstract public class GeckoApp
                 Uri uri = data.getData();
                 String mimeType = cr.getType(uri);
                 String fileExt = "." +
-                    mimeType.substring(mimeType.lastIndexOf('/') + 1);
+                    GeckoAppShell.getExtensionFromMimeType(mimeType);
                 File file =
                     File.createTempFile("tmp_" +
                                         (int)Math.floor(1000 * Math.random()),

embedding/android/GeckoAppShell.java

@@ -58,6 +58,7 @@ import android.graphics.*;
 import android.widget.*;
 import android.hardware.*;
 import android.location.*;
+import android.webkit.MimeTypeMap;
 
 import android.util.*;
 import android.net.Uri;
@@ -649,9 +650,12 @@ public class GeckoAppShell
             return new Intent(Intent.ACTION_VIEW);
     }
 
+    static String getExtensionFromMimeType(String aMimeType) {
+        return MimeTypeMap.getSingleton().getExtensionFromMimeType(aMimeType);
+    }
+
     static String getMimeTypeFromExtensions(String aFileExt) {
-        android.webkit.MimeTypeMap mtm =
+        MimeTypeMap mtm = MimeTypeMap.getSingleton();
-            android.webkit.MimeTypeMap.getSingleton();
         StringTokenizer st = new StringTokenizer(aFileExt, "., ");
         String type = null;
         String subType = null;

uriloader/exthandler/android/nsMIMEInfoAndroid.cpp

@@ -88,6 +88,10 @@ nsMIMEInfoAndroid::GetMimeInfoForMimeType(const nsACString& aMimeType,
   if (systemDefault)
     info->mPrefApp = systemDefault;
 
+  nsCAutoString fileExt;
+  bridge->GetExtensionFromMimeType(nsDependentCString(aMimeType), fileExt);
+  info->SetPrimaryExtension(fileExt);
+  
   PRUint32 len;
   info->mHandlerApps->GetLength(&len);
   if (len == 1) {
@@ -108,7 +112,9 @@ nsMIMEInfoAndroid::GetMimeInfoForFileExt(const nsACString& aFileExt,
     mozilla::AndroidBridge::Bridge()->
       GetMimeTypeFromExtensions(aFileExt, mimeType);
   
-  return GetMimeInfoForMimeType(mimeType, aMimeInfo);
+  nsresult rv = GetMimeInfoForMimeType(mimeType, aMimeInfo);
+  NS_ENSURE_SUCCESS(rv, rv);
+  return (*aMimeInfo)->SetPrimaryExtension(aFileExt);
 }
 
 /**
@@ -138,6 +144,12 @@ nsMIMEInfoAndroid::GetMimeInfoForURL(const nsACString &aURL,
     mimeinfo->mPrefApp = systemDefault;
 
 
+  nsCAutoString fileExt;
+  nsCAutoString mimeType;
+  mimeinfo->GetType(mimeType);
+  bridge->GetExtensionFromMimeType(mimeType, fileExt);
+  mimeinfo->SetPrimaryExtension(fileExt);
+  
   PRUint32 len;
   mimeinfo->mHandlerApps->GetLength(&len);
   if (len == 1) {

widget/src/android/AndroidBridge.cpp

@@ -119,6 +119,7 @@ AndroidBridge::Init(JNIEnv *jEnv,
     jGetHandlersForURL = (jmethodID) jEnv->GetStaticMethodID(jGeckoAppShellClass, "getHandlersForURL", "(Ljava/lang/String;Ljava/lang/String;)[Ljava/lang/String;");
     jOpenUriExternal = (jmethodID) jEnv->GetStaticMethodID(jGeckoAppShellClass, "openUriExternal", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Z");
     jGetMimeTypeFromExtensions = (jmethodID) jEnv->GetStaticMethodID(jGeckoAppShellClass, "getMimeTypeFromExtensions", "(Ljava/lang/String;)Ljava/lang/String;");
+    jGetExtensionFromMimeType = (jmethodID) jEnv->GetStaticMethodID(jGeckoAppShellClass, "getExtensionFromMimeType", "(Ljava/lang/String;)Ljava/lang/String;");
     jMoveTaskToBack = (jmethodID) jEnv->GetStaticMethodID(jGeckoAppShellClass, "moveTaskToBack", "()V");
     jGetClipboardText = (jmethodID) jEnv->GetStaticMethodID(jGeckoAppShellClass, "getClipboardText", "()Ljava/lang/String;");
     jSetClipboardText = (jmethodID) jEnv->GetStaticMethodID(jGeckoAppShellClass, "setClipboardText", "(Ljava/lang/String;)V");
@@ -454,13 +455,30 @@ AndroidBridge::GetMimeTypeFromExtensions(const nsACString& aFileExt, nsCString&
     AutoLocalJNIFrame jniFrame;
     NS_ConvertUTF8toUTF16 wFileExt(aFileExt);
     jstring jstrExt = mJNIEnv->NewString(wFileExt.get(), wFileExt.Length());
-    jstring jstrType =  static_cast<jstring>(mJNIEnv->CallStaticObjectMethod(mGeckoAppShellClass,
+    jstring jstrType =  static_cast<jstring>(
+        mJNIEnv->CallStaticObjectMethod(mGeckoAppShellClass,
                                         jGetMimeTypeFromExtensions,
                                         jstrExt));
     nsJNIString jniStr(jstrType);
     aMimeType.Assign(NS_ConvertUTF16toUTF8(jniStr.get()));
 }
 
+void
+AndroidBridge::GetExtensionFromMimeType(const nsCString& aMimeType, nsACString& aFileExt)
+{
+    ALOG_BRIDGE("AndroidBridge::GetExtensionFromMimeType");
+
+    AutoLocalJNIFrame jniFrame;
+    NS_ConvertUTF8toUTF16 wMimeType(aMimeType);
+    jstring jstrType = mJNIEnv->NewString(wMimeType.get(), wMimeType.Length());
+    jstring jstrExt = static_cast<jstring>(
+        mJNIEnv->CallStaticObjectMethod(mGeckoAppShellClass,
+                                        jGetExtensionFromMimeType,
+                                        jstrType));
+    nsJNIString jniStr(jstrExt);
+    aFileExt.Assign(NS_ConvertUTF16toUTF8(jniStr.get()));
+}
+
 void
 AndroidBridge::MoveTaskToBack()
 {

widget/src/android/AndroidBridge.h

@@ -145,6 +145,7 @@ public:
                            const nsAString& aTitle = EmptyString());
 
     void GetMimeTypeFromExtensions(const nsACString& aFileExt, nsCString& aMimeType);
+    void GetExtensionFromMimeType(const nsCString& aMimeType, nsACString& aFileExt);
 
     void MoveTaskToBack();
 
@@ -260,6 +261,7 @@ protected:
     jmethodID jGetHandlersForURL;
     jmethodID jOpenUriExternal;
     jmethodID jGetMimeTypeFromExtensions;
+    jmethodID jGetExtensionFromMimeType;
     jmethodID jMoveTaskToBack;
     jmethodID jGetClipboardText;
     jmethodID jSetClipboardText;