Controller Refactor
Bug: 3170671
First step towards a model/view/control design in Browser
introduced Controller object
started separating UI code
represent state of the app in one place only
Change-Id: Ica387d6bde2dcf1a4993c3db0cce498cf34ff60f
diff --git a/src/com/android/browser/IntentHandler.java b/src/com/android/browser/IntentHandler.java
new file mode 100644
index 0000000..040af81
--- /dev/null
+++ b/src/com/android/browser/IntentHandler.java
@@ -0,0 +1,371 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package com.android.browser;
+
+import com.android.browser.search.SearchEngine;
+import com.android.common.Search;
+import com.android.common.speech.LoggingEvents;
+
+import android.app.Activity;
+import android.app.SearchManager;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.provider.Browser;
+import android.provider.MediaStore;
+import android.speech.RecognizerResultsIntent;
+import android.text.TextUtils;
+import android.util.Patterns;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+/**
+ * Handle all browser related intents
+ */
+public class IntentHandler {
+
+ // "source" parameter for Google search suggested by the browser
+ final static String GOOGLE_SEARCH_SOURCE_SUGGEST = "browser-suggest";
+ // "source" parameter for Google search from unknown source
+ final static String GOOGLE_SEARCH_SOURCE_UNKNOWN = "unknown";
+
+ /* package */ static final UrlData EMPTY_URL_DATA = new UrlData(null);
+
+ private Activity mActivity;
+ private Controller mController;
+ private TabControl mTabControl;
+ private BrowserSettings mSettings;
+
+ public IntentHandler(Activity browser, Controller controller) {
+ mActivity = browser;
+ mController = controller;
+ mTabControl = mController.getTabControl();
+ mSettings = controller.getSettings();
+ }
+
+ void onNewIntent(Intent intent) {
+ Tab current = mTabControl.getCurrentTab();
+ // When a tab is closed on exit, the current tab index is set to -1.
+ // Reset before proceed as Browser requires the current tab to be set.
+ if (current == null) {
+ // Try to reset the tab in case the index was incorrect.
+ current = mTabControl.getTab(0);
+ if (current == null) {
+ // No tabs at all so just ignore this intent.
+ return;
+ }
+ mController.setActiveTab(current);
+ mController.resetTitleAndIcon(current);
+ }
+ final String action = intent.getAction();
+ final int flags = intent.getFlags();
+ if (Intent.ACTION_MAIN.equals(action) ||
+ (flags & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) != 0) {
+ // just resume the browser
+ return;
+ }
+ // In case the SearchDialog is open.
+ ((SearchManager) mActivity.getSystemService(Context.SEARCH_SERVICE))
+ .stopSearch();
+ boolean activateVoiceSearch = RecognizerResultsIntent
+ .ACTION_VOICE_SEARCH_RESULTS.equals(action);
+ if (Intent.ACTION_VIEW.equals(action)
+ || Intent.ACTION_SEARCH.equals(action)
+ || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action)
+ || Intent.ACTION_WEB_SEARCH.equals(action)
+ || activateVoiceSearch) {
+ if (current.isInVoiceSearchMode()) {
+ String title = current.getVoiceDisplayTitle();
+ if (title != null && title.equals(intent.getStringExtra(
+ SearchManager.QUERY))) {
+ // The user submitted the same search as the last voice
+ // search, so do nothing.
+ return;
+ }
+ if (Intent.ACTION_SEARCH.equals(action)
+ && current.voiceSearchSourceIsGoogle()) {
+ Intent logIntent = new Intent(
+ LoggingEvents.ACTION_LOG_EVENT);
+ logIntent.putExtra(LoggingEvents.EXTRA_EVENT,
+ LoggingEvents.VoiceSearch.QUERY_UPDATED);
+ logIntent.putExtra(
+ LoggingEvents.VoiceSearch.EXTRA_QUERY_UPDATED_VALUE,
+ intent.getDataString());
+ mActivity.sendBroadcast(logIntent);
+ // Note, onPageStarted will revert the voice title bar
+ // When http://b/issue?id=2379215 is fixed, we should update
+ // the title bar here.
+ }
+ }
+ // If this was a search request (e.g. search query directly typed into the address bar),
+ // pass it on to the default web search provider.
+ if (handleWebSearchIntent(mActivity, mController, intent)) {
+ return;
+ }
+
+ UrlData urlData = getUrlDataFromIntent(intent);
+ if (urlData.isEmpty()) {
+ urlData = new UrlData(mSettings.getHomePage());
+ }
+
+ final String appId = intent
+ .getStringExtra(Browser.EXTRA_APPLICATION_ID);
+ if ((Intent.ACTION_VIEW.equals(action)
+ // If a voice search has no appId, it means that it came
+ // from the browser. In that case, reuse the current tab.
+ || (activateVoiceSearch && appId != null))
+ && !mActivity.getPackageName().equals(appId)
+ && (flags & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != 0) {
+ Tab appTab = mTabControl.getTabFromId(appId);
+ if (appTab != null) {
+ mController.reuseTab(appTab, appId, urlData);
+ return;
+ } else {
+ // No matching application tab, try to find a regular tab
+ // with a matching url.
+ appTab = mTabControl.findUnusedTabWithUrl(urlData.mUrl);
+ if (appTab != null) {
+ if (current != appTab) {
+ mController.switchToTab(mTabControl.getTabIndex(appTab));
+ }
+ // Otherwise, we are already viewing the correct tab.
+ } else {
+ // if FLAG_ACTIVITY_BROUGHT_TO_FRONT flag is on, the url
+ // will be opened in a new tab unless we have reached
+ // MAX_TABS. Then the url will be opened in the current
+ // tab. If a new tab is created, it will have "true" for
+ // exit on close.
+ mController.openTabAndShow(urlData, true, appId);
+ }
+ }
+ } else {
+ if (!urlData.isEmpty()
+ && urlData.mUrl.startsWith("about:debug")) {
+ if ("about:debug.dom".equals(urlData.mUrl)) {
+ current.getWebView().dumpDomTree(false);
+ } else if ("about:debug.dom.file".equals(urlData.mUrl)) {
+ current.getWebView().dumpDomTree(true);
+ } else if ("about:debug.render".equals(urlData.mUrl)) {
+ current.getWebView().dumpRenderTree(false);
+ } else if ("about:debug.render.file".equals(urlData.mUrl)) {
+ current.getWebView().dumpRenderTree(true);
+ } else if ("about:debug.display".equals(urlData.mUrl)) {
+ current.getWebView().dumpDisplayTree();
+ } else {
+ mSettings.toggleDebugSettings();
+ }
+ return;
+ }
+ // Get rid of the subwindow if it exists
+ mController.dismissSubWindow(current);
+ // If the current Tab is being used as an application tab,
+ // remove the association, since the new Intent means that it is
+ // no longer associated with that application.
+ current.setAppId(null);
+ mController.loadUrlDataIn(current, urlData);
+ }
+ }
+ }
+
+ protected UrlData getUrlDataFromIntent(Intent intent) {
+ String url = "";
+ Map<String, String> headers = null;
+ if (intent != null) {
+ final String action = intent.getAction();
+ if (Intent.ACTION_VIEW.equals(action)) {
+ url = UrlUtils.smartUrlFilter(intent.getData());
+ if (url != null && url.startsWith("content:")) {
+ /* Append mimetype so webview knows how to display */
+ String mimeType = intent.resolveType(mActivity.getContentResolver());
+ if (mimeType != null) {
+ url += "?" + mimeType;
+ }
+ }
+ if (url != null && url.startsWith("http")) {
+ final Bundle pairs = intent
+ .getBundleExtra(Browser.EXTRA_HEADERS);
+ if (pairs != null && !pairs.isEmpty()) {
+ Iterator<String> iter = pairs.keySet().iterator();
+ headers = new HashMap<String, String>();
+ while (iter.hasNext()) {
+ String key = iter.next();
+ headers.put(key, pairs.getString(key));
+ }
+ }
+ }
+ } else if (Intent.ACTION_SEARCH.equals(action)
+ || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action)
+ || Intent.ACTION_WEB_SEARCH.equals(action)) {
+ url = intent.getStringExtra(SearchManager.QUERY);
+ if (url != null) {
+ // In general, we shouldn't modify URL from Intent.
+ // But currently, we get the user-typed URL from search box as well.
+ url = UrlUtils.fixUrl(url);
+ url = UrlUtils.smartUrlFilter(url);
+ final ContentResolver cr = mActivity.getContentResolver();
+ final String newUrl = url;
+ if (mTabControl == null
+ || mTabControl.getCurrentWebView() == null
+ || !mTabControl.getCurrentWebView().isPrivateBrowsingEnabled()) {
+ new AsyncTask<Void, Void, Void>() {
+ @Override
+ protected Void doInBackground(Void... unused) {
+ Browser.updateVisitedHistory(cr, newUrl, false);
+ return null;
+ }
+ }.execute();
+ }
+ String searchSource = "&source=android-" + GOOGLE_SEARCH_SOURCE_SUGGEST + "&";
+ if (url.contains(searchSource)) {
+ String source = null;
+ final Bundle appData = intent.getBundleExtra(SearchManager.APP_DATA);
+ if (appData != null) {
+ source = appData.getString(Search.SOURCE);
+ }
+ if (TextUtils.isEmpty(source)) {
+ source = GOOGLE_SEARCH_SOURCE_UNKNOWN;
+ }
+ url = url.replace(searchSource, "&source=android-"+source+"&");
+ }
+ }
+ }
+ }
+ return new UrlData(url, headers, intent);
+ }
+
+ /**
+ * Launches the default web search activity with the query parameters if the given intent's data
+ * are identified as plain search terms and not URLs/shortcuts.
+ * @return true if the intent was handled and web search activity was launched, false if not.
+ */
+ static boolean handleWebSearchIntent(Activity activity,
+ Controller controller, Intent intent) {
+ if (intent == null) return false;
+
+ String url = null;
+ final String action = intent.getAction();
+ if (RecognizerResultsIntent.ACTION_VOICE_SEARCH_RESULTS.equals(
+ action)) {
+ return false;
+ }
+ if (Intent.ACTION_VIEW.equals(action)) {
+ Uri data = intent.getData();
+ if (data != null) url = data.toString();
+ } else if (Intent.ACTION_SEARCH.equals(action)
+ || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action)
+ || Intent.ACTION_WEB_SEARCH.equals(action)) {
+ url = intent.getStringExtra(SearchManager.QUERY);
+ }
+ return handleWebSearchRequest(activity, controller, url,
+ intent.getBundleExtra(SearchManager.APP_DATA),
+ intent.getStringExtra(SearchManager.EXTRA_DATA_KEY));
+ }
+
+ /**
+ * Launches the default web search activity with the query parameters if the given url string
+ * was identified as plain search terms and not URL/shortcut.
+ * @return true if the request was handled and web search activity was launched, false if not.
+ */
+ private static boolean handleWebSearchRequest(Activity activity,
+ Controller controller, String inUrl, Bundle appData,
+ String extraData) {
+ if (inUrl == null) return false;
+
+ // In general, we shouldn't modify URL from Intent.
+ // But currently, we get the user-typed URL from search box as well.
+ String url = UrlUtils.fixUrl(inUrl).trim();
+
+ // URLs are handled by the regular flow of control, so
+ // return early.
+ if (Patterns.WEB_URL.matcher(url).matches()
+ || UrlUtils.ACCEPTED_URI_SCHEMA.matcher(url).matches()) {
+ return false;
+ }
+
+ final ContentResolver cr = activity.getContentResolver();
+ final String newUrl = url;
+ if (controller == null || controller.getTabControl() == null
+ || controller.getTabControl().getCurrentWebView() == null
+ || !controller.getTabControl().getCurrentWebView()
+ .isPrivateBrowsingEnabled()) {
+ new AsyncTask<Void, Void, Void>() {
+ @Override
+ protected Void doInBackground(Void... unused) {
+ Browser.updateVisitedHistory(cr, newUrl, false);
+ Browser.addSearchUrl(cr, newUrl);
+ return null;
+ }
+ }.execute();
+ }
+
+ SearchEngine searchEngine = BrowserSettings.getInstance().getSearchEngine();
+ if (searchEngine == null) return false;
+ searchEngine.startSearch(activity, url, appData, extraData);
+
+ return true;
+ }
+
+ /**
+ * A UrlData class to abstract how the content will be set to WebView.
+ * This base class uses loadUrl to show the content.
+ */
+ static class UrlData {
+ final String mUrl;
+ final Map<String, String> mHeaders;
+ final Intent mVoiceIntent;
+
+ UrlData(String url) {
+ this.mUrl = url;
+ this.mHeaders = null;
+ this.mVoiceIntent = null;
+ }
+
+ UrlData(String url, Map<String, String> headers, Intent intent) {
+ this.mUrl = url;
+ this.mHeaders = headers;
+ if (RecognizerResultsIntent.ACTION_VOICE_SEARCH_RESULTS
+ .equals(intent.getAction())) {
+ this.mVoiceIntent = intent;
+ } else {
+ this.mVoiceIntent = null;
+ }
+ }
+
+ boolean isEmpty() {
+ return mVoiceIntent == null && (mUrl == null || mUrl.length() == 0);
+ }
+
+ /**
+ * Load this UrlData into the given Tab. Use loadUrlDataIn to update
+ * the title bar as well.
+ */
+ public void loadIn(Tab t) {
+ if (mVoiceIntent != null) {
+ t.activateVoiceSearchMode(mVoiceIntent);
+ } else {
+ t.getWebView().loadUrl(mUrl, mHeaders);
+ }
+ }
+ }
+
+}