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Bug 975838 - Part 1: add methods to log or throw if called on the wrong thread, pepper GeckoMenu with thread affinities. r=wesj

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This commit is contained in:
Richard Newman 2014-03-17 19:39:40 -07:00
parent 8940db8adf
commit 8a8147efd5
4 changed files with 72 additions and 24 deletions
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3
mobile/android/base/GeckoEditable.java
View File

@ -8,6 +8,7 @@ package org.mozilla.gecko;
import org.mozilla.gecko.gfx.InputConnectionHandler;
import org.mozilla.gecko.gfx.LayerView;
import org.mozilla.gecko.util.ThreadUtils;
import org.mozilla.gecko.util.ThreadUtils.AssertBehavior;
import android.os.Build;
import android.os.Handler;
@ -361,7 +362,7 @@ final class GeckoEditable
}
private void assertOnIcThread() {
ThreadUtils.assertOnThread(mIcRunHandler.getLooper().getThread());
ThreadUtils.assertOnThread(mIcRunHandler.getLooper().getThread(), AssertBehavior.THROW);
}
private void geckoPostToIc(Runnable runnable) {

17
mobile/android/base/GeckoInputConnection.java
View File

@ -5,10 +5,16 @@
package org.mozilla.gecko;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.concurrent.SynchronousQueue;
import org.mozilla.gecko.gfx.InputConnectionHandler;
import org.mozilla.gecko.util.Clipboard;
import org.mozilla.gecko.util.GamepadUtils;
import org.mozilla.gecko.util.ThreadUtils;
import org.mozilla.gecko.util.ThreadUtils.AssertBehavior;
import android.R;
import android.content.Context;
@ -33,11 +39,6 @@ import android.view.inputmethod.ExtractedTextRequest;
import android.view.inputmethod.InputConnection;
import android.view.inputmethod.InputMethodManager;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.util.concurrent.SynchronousQueue;
class GeckoInputConnection
extends BaseInputConnection
implements InputConnectionHandler, GeckoEditableListener {
@ -115,7 +116,7 @@ class GeckoInputConnection
public void waitForUiThread(Handler icHandler) {
if (DEBUG) {
ThreadUtils.assertOnThread(icHandler.getLooper().getThread());
ThreadUtils.assertOnThread(icHandler.getLooper().getThread(), AssertBehavior.THROW);
Log.d(LOGTAG, "waitForUiThread() blocking on thread " +
icHandler.getLooper().getThread().getName());
}
@ -154,7 +155,7 @@ class GeckoInputConnection
public Editable getEditableForUiThread(final Handler uiHandler,
final GeckoEditableClient client) {
if (DEBUG) {
ThreadUtils.assertOnThread(uiHandler.getLooper().getThread());
ThreadUtils.assertOnThread(uiHandler.getLooper().getThread(), AssertBehavior.THROW);
}
final Handler icHandler = client.getInputConnectionHandler();
if (icHandler.getLooper() == uiHandler.getLooper()) {
@ -171,7 +172,7 @@ class GeckoInputConnection
final Method method,
final Object[] args) throws Throwable {
if (DEBUG) {
ThreadUtils.assertOnThread(uiHandler.getLooper().getThread());
ThreadUtils.assertOnThread(uiHandler.getLooper().getThread(), AssertBehavior.THROW);
Log.d(LOGTAG, "UiEditable." + method.getName() + "() blocking");
}
synchronized (icHandler) {

21
mobile/android/base/menu/GeckoMenu.java
View File

@ -4,7 +4,10 @@
package org.mozilla.gecko.menu;
import org.mozilla.gecko.AppConstants;
import org.mozilla.gecko.R;
import org.mozilla.gecko.util.ThreadUtils;
import org.mozilla.gecko.util.ThreadUtils.AssertBehavior;
import android.content.ComponentName;
import android.content.Context;
@ -35,6 +38,12 @@ public class GeckoMenu extends ListView
GeckoMenuItem.OnShowAsActionChangedListener {
private static final String LOGTAG = "GeckoMenu";
/**
* Controls whether off-UI-thread method calls in this class cause an
* exception or just logging.
*/
private static final AssertBehavior THREAD_ASSERT_BEHAVIOR = AppConstants.RELEASE_BUILD ? AssertBehavior.NONE : AssertBehavior.THROW;
/*
* A callback for a menu item selected event.
*/
@ -52,7 +61,7 @@ public class GeckoMenu extends ListView
// Open the menu.
public void openMenu();
// Show the actual view contaning the menu items. This can either be a parent or sub-menu.
// Show the actual view containing the menu items. This can either be a parent or sub-menu.
public void showMenu(View menu);
// Close the menu.
@ -130,6 +139,10 @@ public class GeckoMenu extends ListView
mSecondaryActionItemBar = (DefaultActionItemBar) LayoutInflater.from(context).inflate(R.layout.menu_secondary_action_bar, null);
}
private static void assertOnUiThread() {
ThreadUtils.assertOnUiThread(THREAD_ASSERT_BEHAVIOR);
}
@Override
public MenuItem add(CharSequence title) {
GeckoMenuItem menuItem = new GeckoMenuItem(this, NO_ID, 0, title);
@ -159,12 +172,14 @@ public class GeckoMenu extends ListView
}
private void addItem(GeckoMenuItem menuItem) {
assertOnUiThread();
menuItem.setOnShowAsActionChangedListener(this);
mAdapter.addMenuItem(menuItem);
mItems.add(menuItem);
}
private boolean addActionItem(final GeckoMenuItem menuItem) {
assertOnUiThread();
menuItem.setOnShowAsActionChangedListener(this);
final View actionView = menuItem.getActionView();
@ -272,6 +287,7 @@ public class GeckoMenu extends ListView
@Override
public void clear() {
assertOnUiThread();
for (GeckoMenuItem menuItem : mItems) {
if (menuItem.hasSubMenu()) {
SubMenu sub = menuItem.getSubMenu();
@ -355,6 +371,7 @@ public class GeckoMenu extends ListView
@Override
public boolean hasVisibleItems() {
assertOnUiThread();
for (GeckoMenuItem menuItem : mItems) {
if (menuItem.isVisible() &&
!mPrimaryActionItems.containsKey(menuItem) &&
@ -386,6 +403,7 @@ public class GeckoMenu extends ListView
@Override
public void removeItem(int id) {
assertOnUiThread();
GeckoMenuItem item = (GeckoMenuItem) findItem(id);
if (item == null)
return;
@ -473,6 +491,7 @@ public class GeckoMenu extends ListView
}
public void onItemChanged(GeckoMenuItem item) {
assertOnUiThread();
if (item.isActionItem()) {
final View actionView;
if (item.getActionEnum() == GeckoMenuItem.SHOW_AS_ACTION_ALWAYS) {

55
mobile/android/base/util/ThreadUtils.java
View File

@ -5,15 +5,24 @@
package org.mozilla.gecko.util;
import java.util.Map;
import android.os.Handler;
import android.os.MessageQueue;
import android.util.Log;
import java.util.Map;
public final class ThreadUtils {
private static final String LOGTAG = "ThreadUtils";
/**
* Controls the action taken when a method like
* {@link ThreadUtils#assertOnUiThread(AssertBehavior)} detects a problem.
*/
public static enum AssertBehavior {
NONE,
THROW,
}
private static Thread sUiThread;
private static Thread sBackgroundThread;
@ -101,28 +110,46 @@ public final class ThreadUtils {
GeckoBackgroundThread.post(runnable);
}
public static void assertOnUiThread(final AssertBehavior assertBehavior) {
assertOnThread(getUiThread(), assertBehavior);
}
public static void assertOnUiThread() {
assertOnThread(getUiThread());
assertOnThread(getUiThread(), AssertBehavior.THROW);
}
public static void assertOnGeckoThread() {
assertOnThread(sGeckoThread);
assertOnThread(sGeckoThread, AssertBehavior.THROW);
}
public static void assertOnBackgroundThread() {
assertOnThread(getBackgroundThread());
assertOnThread(getBackgroundThread(), AssertBehavior.THROW);
}
public static void assertOnThread(Thread expectedThread) {
Thread currentThread = Thread.currentThread();
long currentThreadId = currentThread.getId();
long expectedThreadId = expectedThread.getId();
public static void assertOnThread(final Thread expectedThread) {
assertOnThread(expectedThread, AssertBehavior.THROW);
}
if (currentThreadId != expectedThreadId) {
throw new IllegalThreadStateException("Expected thread " + expectedThreadId + " (\""
+ expectedThread.getName()
+ "\"), but running on thread " + currentThreadId
+ " (\"" + currentThread.getName() + ")");
public static void assertOnThread(final Thread expectedThread, AssertBehavior behavior) {
final Thread currentThread = Thread.currentThread();
final long currentThreadId = currentThread.getId();
final long expectedThreadId = expectedThread.getId();
if (currentThreadId == expectedThreadId) {
return;
}
final String message = "Expected thread " +
expectedThreadId + " (\"" + expectedThread.getName() +
"\"), but running on thread " +
currentThreadId + " (\"" + currentThread.getName() + ")";
final IllegalThreadStateException e = new IllegalThreadStateException(message);
switch (behavior) {
case THROW:
throw e;
default:
Log.e(LOGTAG, "Method called on wrong thread!", e);
}
}