Anthony Restaino
11 years ago
4 changed files with 162 additions and 61 deletions
@ -0,0 +1,101 @@
@@ -0,0 +1,101 @@
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package acr.browser.lightning; |
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import java.net.URISyntaxException; |
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import java.util.List; |
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import java.util.regex.Matcher; |
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import java.util.regex.Pattern; |
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import android.app.Activity; |
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import android.content.ActivityNotFoundException; |
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import android.content.Intent; |
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import android.content.IntentFilter; |
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import android.content.pm.PackageManager; |
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import android.content.pm.ResolveInfo; |
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import android.net.Uri; |
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import android.util.Log; |
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import android.webkit.WebView; |
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public class IntentUtils { |
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private Activity mActivity; |
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private BrowserController mController; |
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static final Pattern ACCEPTED_URI_SCHEMA = Pattern.compile("(?i)" |
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+ // switch on case insensitive matching
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"(" |
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+ // begin group for schema
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"(?:http|https|file):\\/\\/" + "|(?:inline|data|about|javascript):" |
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+ "|(?:.*:.*@)" + ")" + "(.*)"); |
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public IntentUtils(BrowserController controller) { |
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mController = controller; |
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mActivity = mController.getActivity(); |
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} |
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public boolean startActivityForUrl(WebView tab, String url) { |
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Intent intent; |
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try { |
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intent = Intent.parseUri(url, Intent.URI_INTENT_SCHEME); |
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} catch (URISyntaxException ex) { |
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Log.w("Browser", "Bad URI " + url + ": " + ex.getMessage()); |
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return false; |
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} |
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if (mActivity.getPackageManager().resolveActivity(intent, 0) == null) { |
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String packagename = intent.getPackage(); |
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if (packagename != null) { |
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intent = new Intent(Intent.ACTION_VIEW, |
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Uri.parse("market://search?q=pname:" + packagename)); |
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intent.addCategory(Intent.CATEGORY_BROWSABLE); |
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mActivity.startActivity(intent); |
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return true; |
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} else { |
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return false; |
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} |
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} |
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intent.addCategory(Intent.CATEGORY_BROWSABLE); |
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intent.setComponent(null); |
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if (tab != null) { |
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intent.putExtra(mActivity.getPackageName() + ".Origin", 1); |
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} |
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Matcher m = ACCEPTED_URI_SCHEMA.matcher(url); |
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if (m.matches() && !isSpecializedHandlerAvailable(intent)) { |
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return false; |
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} |
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try { |
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if (mActivity.startActivityIfNeeded(intent, -1)) { |
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return true; |
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} |
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} catch (ActivityNotFoundException ex) { |
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} |
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return false; |
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} |
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/** |
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* Search for intent handlers that are specific to this URL aka, specialized |
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* apps like google maps or youtube |
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*/ |
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private boolean isSpecializedHandlerAvailable(Intent intent) { |
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PackageManager pm = mActivity.getPackageManager(); |
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List<ResolveInfo> handlers = pm.queryIntentActivities(intent, |
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PackageManager.GET_RESOLVED_FILTER); |
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if (handlers == null || handlers.size() == 0) { |
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return false; |
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} |
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for (ResolveInfo resolveInfo : handlers) { |
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IntentFilter filter = resolveInfo.filter; |
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if (filter == null) { |
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// No intent filter matches this intent?
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// Error on the side of staying in the browser, ignore
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continue; |
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} |
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if (filter.countDataAuthorities() == 0 |
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|| filter.countDataPaths() == 0) { |
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// Generic handler, skip
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continue; |
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} |
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return true; |
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} |
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return false; |
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} |
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} |
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