Make ResolverActivity update dynamically. (e8f2c7ff) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/app/ResolverActivity.java

+57 −15

Original line number	Diff line number	Diff line
		@@ -17,6 +17,8 @@
		package com.android.internal.app;

		import com.android.internal.R;
		import com.android.internal.content.PackageMonitor;

		import android.content.ComponentName;
		import android.content.Context;
		import android.content.DialogInterface;
		@@ -58,6 +60,12 @@ public class ResolverActivity extends AlertActivity implements
		private TextView mClearDefaultHint;
		private PackageManager mPm;

		private final PackageMonitor mPackageMonitor = new PackageMonitor() {
		@Override public void onSomePackagesChanged() {
		mAdapter.handlePackagesChanged();
		}
		};

		private Intent makeMyIntent() {
		Intent intent = new Intent(getIntent());
		// The resolver activity is set to be hidden from recent tasks.
		@@ -88,6 +96,8 @@ public class ResolverActivity extends AlertActivity implements
		ap.mTitle = title;
		ap.mOnClickListener = this;

		mPackageMonitor.register(this, false);

		if (alwaysUseOption) {
		LayoutInflater inflater = (LayoutInflater) getSystemService(
		Context.LAYOUT_INFLATER_SERVICE);
		@@ -114,6 +124,19 @@ public class ResolverActivity extends AlertActivity implements
		setupAlert();
		}

		@Override
		protected void onRestart() {
		super.onRestart();
		mPackageMonitor.register(this, false);
		mAdapter.handlePackagesChanged();
		}

		@Override
		protected void onStop() {
		super.onStop();
		mPackageMonitor.unregister();
		}

		public void onClick(DialogInterface dialog, int which) {
		ResolveInfo ri = mAdapter.resolveInfoForPosition(which);
		Intent intent = mAdapter.intentForPosition(which);
		@@ -225,29 +248,48 @@ public class ResolverActivity extends AlertActivity implements
		}

		private final class ResolveListAdapter extends BaseAdapter {
		private final Intent[] mInitialIntents;
		private final List<ResolveInfo> mBaseResolveList;
		private final Intent mIntent;
		private final LayoutInflater mInflater;

		private List<ResolveInfo> mCurrentResolveList;
		private List<DisplayResolveInfo> mList;

		public ResolveListAdapter(Context context, Intent intent,
		Intent[] initialIntents, List<ResolveInfo> rList) {
		mIntent = new Intent(intent);
		mIntent.setComponent(null);
		mInitialIntents = initialIntents;
		mBaseResolveList = rList;
		mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
		rebuildList();
		}

		public void handlePackagesChanged() {
		rebuildList();
		notifyDataSetChanged();
		if (mList.size() <= 0) {
		// We no longer have any items... just finish the activity.
		finish();
		}
		}

		if (rList == null) {
		rList = mPm.queryIntentActivities(
		intent, PackageManager.MATCH_DEFAULT_ONLY
		private void rebuildList() {
		if (mBaseResolveList != null) {
		mCurrentResolveList = mBaseResolveList;
		} else {
		mCurrentResolveList = mPm.queryIntentActivities(
		mIntent, PackageManager.MATCH_DEFAULT_ONLY
		\| (mAlwaysCheck != null ? PackageManager.GET_RESOLVED_FILTER : 0));
		}
		int N;
		if ((rList != null) && ((N = rList.size()) > 0)) {
		if ((mCurrentResolveList != null) && ((N = mCurrentResolveList.size()) > 0)) {
		// Only display the first matches that are either of equal
		// priority or have asked to be default options.
		ResolveInfo r0 = rList.get(0);
		ResolveInfo r0 = mCurrentResolveList.get(0);
		for (int i=1; i<N; i++) {
		ResolveInfo ri = rList.get(i);
		ResolveInfo ri = mCurrentResolveList.get(i);
		if (false) Log.v(
		"ResolveListActivity",
		r0.activityInfo.name + "=" +
		@@ -257,7 +299,7 @@ public class ResolverActivity extends AlertActivity implements
		if (r0.priority != ri.priority \|\|
		r0.isDefault != ri.isDefault) {
		while (i < N) {
		rList.remove(i);
		mCurrentResolveList.remove(i);
		N--;
		}
		}
		@@ -265,15 +307,15 @@ public class ResolverActivity extends AlertActivity implements
		if (N > 1) {
		ResolveInfo.DisplayNameComparator rComparator =
		new ResolveInfo.DisplayNameComparator(mPm);
		Collections.sort(rList, rComparator);
		Collections.sort(mCurrentResolveList, rComparator);
		}

		mList = new ArrayList<DisplayResolveInfo>();

		// First put the initial items at the top.
		if (initialIntents != null) {
		for (int i=0; i<initialIntents.length; i++) {
		Intent ii = initialIntents[i];
		if (mInitialIntents != null) {
		for (int i=0; i<mInitialIntents.length; i++) {
		Intent ii = mInitialIntents[i];
		if (ii == null) {
		continue;
		}
		@@ -300,14 +342,14 @@ public class ResolverActivity extends AlertActivity implements

		// Check for applications with same name and use application name or
		// package name if necessary
		r0 = rList.get(0);
		r0 = mCurrentResolveList.get(0);
		int start = 0;
		CharSequence r0Label = r0.loadLabel(mPm);
		for (int i = 1; i < N; i++) {
		if (r0Label == null) {
		r0Label = r0.activityInfo.packageName;
		}
		ResolveInfo ri = rList.get(i);
		ResolveInfo ri = mCurrentResolveList.get(i);
		CharSequence riLabel = ri.loadLabel(mPm);
		if (riLabel == null) {
		riLabel = ri.activityInfo.packageName;
		@@ -315,13 +357,13 @@ public class ResolverActivity extends AlertActivity implements
		if (riLabel.equals(r0Label)) {
		continue;
		}
		processGroup(rList, start, (i-1), r0, r0Label);
		processGroup(mCurrentResolveList, start, (i-1), r0, r0Label);
		r0 = ri;
		r0Label = riLabel;
		start = i;
		}
		// Process last group
		processGroup(rList, start, (N-1), r0, r0Label);
		processGroup(mCurrentResolveList, start, (N-1), r0, r0Label);
		}
		}