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Code Issues Releases Wiki Activity

Refactor network data blocking out of the main K9 class and into the MessageView class.

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This commit is contained in:
Andrew Chen 2010-12-25 01:26:47 +00:00
parent f14c7ecd9b
commit 77c01c65dd
2 changed files with 45 additions and 28 deletions
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28
src/com/fsck/k9/K9.java
View File

@ -22,7 +22,6 @@ import android.os.Handler;
import android.os.Looper;
import android.text.format.Time;
import android.util.Log;
import android.webkit.WebSettings;
import com.fsck.k9.activity.MessageCompose;
import com.fsck.k9.controller.MessagingController;
@ -180,13 +179,6 @@ public class K9 extends Application
private static boolean useGalleryBugWorkaround = false;
private static boolean galleryBuggy;
/**
* We use WebSettings.getBlockNetworkLoads() to prevent the WebView that displays email
* bodies from loading external resources over the network. Unfortunately this method
* isn't exposed via the official Android API. That's why we use reflection to be able
* to call the method.
*/
private static final Method mGetBlockNetworkLoads = getMethod(WebSettings.class, "setBlockNetworkLoads");
/**
* The MIME type(s) of attachments we're willing to view.
@ -948,12 +940,11 @@ public class K9 extends Application
mMessageViewReturnToList = messageViewReturnToList;
}
private static Method getMethod(Class<?> classObject, String methodName)
public static Method getMethod(Class<?> classObject, String methodName)
{
try
{
Method method = classObject.getMethod(methodName, boolean.class);
return method;
return classObject.getMethod(methodName, boolean.class);
}
catch (NoSuchMethodException e)
{
@ -968,21 +959,6 @@ public class K9 extends Application
return null;
}
public static void setBlockNetworkLoads(WebSettings webSettings, boolean state)
{
if (mGetBlockNetworkLoads != null)
{
try
{
mGetBlockNetworkLoads.invoke(webSettings, state);
}
catch (Exception e)
{
Log.e(K9.LOG_TAG, "Error on invoking WebSettings.setBlockNetworkLoads()", e);
}
}
}
public static FontSizes getFontSizes()
{
return fontSizes;

45
src/com/fsck/k9/activity/MessageView.java
View File

@ -6,6 +6,7 @@ import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Serializable;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
@ -100,6 +101,14 @@ public class MessageView extends K9Activity implements OnClickListener
private static final String SHOW_PICTURES = "showPictures";
private static final String STATE_PGP_DATA = "pgpData";
/**
* We use WebSettings.getBlockNetworkLoads() to prevent the WebView that displays email
* bodies from loading external resources over the network. Unfortunately this method
* isn't exposed via the official Android API. That's why we use reflection to be able
* to call the method.
*/
private static final Method mGetBlockNetworkLoads = K9.getMethod(WebSettings.class, "setBlockNetworkLoads");
private static final int ACTIVITY_CHOOSE_FOLDER_MOVE = 1;
private static final int ACTIVITY_CHOOSE_FOLDER_COPY = 2;
@ -1867,8 +1876,7 @@ public class MessageView extends K9Activity implements OnClickListener
*/
private void setLoadPictures(boolean enable)
{
K9.setBlockNetworkLoads(mMessageContentView.getSettings(), !enable);
mMessageContentView.getSettings().setBlockNetworkImage(!enable);
blockNetworkDataInWebView(mMessageContentView, !enable);
mShowPictures = enable;
mHandler.showShowPictures(false);
}
@ -2807,6 +2815,39 @@ public class MessageView extends K9Activity implements OnClickListener
webSettings.setTextSize(K9.getFontSizes().getMessageViewContent());
// Disable network images by default. This is overriden by preferences.
blockNetworkDataInWebView(view, true);
}
/**
* Configure a web view to load or not load network data. A <b>true</b> setting here means that
* network data will be blocked.
* @param view {@link android.webkit.WebView} to adjust network data settings on.
* @param shouldBlockNetworkData True if network data should be blocked, false to allow network data.
*/
public static void blockNetworkDataInWebView(final WebView view, final boolean shouldBlockNetworkData)
{
// Sanity check to make sure we don't blow up.
if (view == null || view.getSettings() == null)
{
return;
}
// Block network loads.
if (mGetBlockNetworkLoads != null)
{
try
{
mGetBlockNetworkLoads.invoke(view.getSettings(), shouldBlockNetworkData);
}
catch (Exception e)
{
Log.e(K9.LOG_TAG, "Error on invoking WebSettings.setBlockNetworkLoads()", e);
}
}
// Block network images.
view.getSettings().setBlockNetworkImage(shouldBlockNetworkData);
}
}