chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentMigrationHelper.java - Issue 1206673003: Merge java_staging/src into java/src.

Unified Diff: chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentMigrationHelper.java

Issue 1206673003: Merge java_staging/src into java/src. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: rebase Created 5 years, 6 months ago

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Index: chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentMigrationHelper.java

diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentMigrationHelper.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentMigrationHelper.java

deleted file mode 100644

index d65842fa828cb158f2ebe302394314245950c13a..0000000000000000000000000000000000000000

--- a/chrome/android/java_staging/src/org/chromium/chrome/browser/document/DocumentMigrationHelper.java

+++ /dev/null

@@ -1,488 +0,0 @@

-// Use of this source code is governed by a BSD-style license that can be

-// found in the LICENSE file.

-package org.chromium.chrome.browser.document;

-import android.annotation.TargetApi;

-import android.app.Activity;

-import android.app.ActivityManager;

-import android.app.ActivityManager.AppTask;

-import android.app.ActivityManager.TaskDescription;

-import android.content.Context;

-import android.content.Intent;

-import android.graphics.Bitmap;

-import android.graphics.Bitmap.Config;

-import android.graphics.Canvas;

-import android.graphics.Color;

-import android.os.Build;

-import android.os.StrictMode;

-import android.text.TextUtils;

-import android.util.Log;

-import android.util.Pair;

-import android.util.SparseArray;

-import org.chromium.base.ApplicationStatus;

-import org.chromium.base.ImportantFileWriterAndroid;

-import org.chromium.chrome.R;

-import org.chromium.chrome.browser.ApplicationLifetime;

-import org.chromium.chrome.browser.ChromeMobileApplication;

-import org.chromium.chrome.browser.IntentHandler;

-import org.chromium.chrome.browser.Tab;

-import org.chromium.chrome.browser.TabState;

-import org.chromium.chrome.browser.UrlConstants;

-import org.chromium.chrome.browser.UrlUtilities;

-import org.chromium.chrome.browser.compositor.layouts.content.ContentOffsetProvider;

-import org.chromium.chrome.browser.compositor.layouts.content.TabContentManager;

-import org.chromium.chrome.browser.compositor.layouts.content.TabContentManager.DecompressThumbnailCallback;

-import org.chromium.chrome.browser.device.DeviceClassManager;

-import org.chromium.chrome.browser.favicon.FaviconHelper;

-import org.chromium.chrome.browser.favicon.FaviconHelper.FaviconImageCallback;

-import org.chromium.chrome.browser.ntp.NativePageFactory;

-import org.chromium.chrome.browser.preferences.ChromePreferenceManager;

-import org.chromium.chrome.browser.profiles.Profile;

-import org.chromium.chrome.browser.tab.TabIdManager;

-import org.chromium.chrome.browser.tabmodel.TabCreatorManager;

-import org.chromium.chrome.browser.tabmodel.TabPersistentStore;

-import org.chromium.chrome.browser.tabmodel.TabPersistentStore.OnTabStateReadCallback;

-import org.chromium.chrome.browser.tabmodel.document.ActivityDelegate;

-import org.chromium.chrome.browser.tabmodel.document.DocumentTabModel;

-import org.chromium.chrome.browser.tabmodel.document.DocumentTabModel.Entry;

-import org.chromium.chrome.browser.tabmodel.document.DocumentTabModel.InitializationObserver;

-import org.chromium.chrome.browser.tabmodel.document.DocumentTabModelImpl;

-import org.chromium.chrome.browser.tabmodel.document.DocumentTabModelSelector;

-import org.chromium.chrome.browser.tabmodel.document.OffTheRecordDocumentTabModel;

-import org.chromium.chrome.browser.tabmodel.document.StorageDelegate;

-import java.io.File;

-import java.io.IOException;

-import java.util.ArrayList;

-import java.util.List;

-/**

- * The class that carries out migration of tab states from/to document mode.

- */

-@TargetApi(Build.VERSION_CODES.LOLLIPOP)

-public class DocumentMigrationHelper {

- private static final String TAG = "DocumentMigrationHelper";

- private static final int[] ICON_TYPES = {FaviconHelper.FAVICON,

- FaviconHelper.TOUCH_ICON | FaviconHelper.TOUCH_PRECOMPOSED_ICON};

- private static final int DESIRED_ICON_SIZE_DP = 32;

- public static final int FINALIZE_MODE_NO_ACTION = 0;

- public static final int FINALIZE_MODE_FINISH_ACTIVITY = 1;

- public static final int FINALIZE_MODE_RESTART_APP = 2;

- private static class MigrationTabStateReadCallback implements OnTabStateReadCallback {

- private int mSelectedTabId = Tab.INVALID_TAB_ID;

- @Override

- public void onDetailsRead(int index, int id, String url, boolean isStandardActiveIndex,

- boolean isIncognitoActiveIndex) {

- TabIdManager.getInstance().incrementIdCounterTo(id + 1);

- if (!isStandardActiveIndex) return;

- // If the current tab read is the active standard tab, set the last used

- // tab pref with the id, so that when document mode starts we show that

- // tab first.

- mSelectedTabId = id;

- }

- public int getSelectedTabId() {

- return mSelectedTabId;

- }

- /**

- * Stores a list of "tasks" that are meant to be returned by the ActivityManager for migration.

- * The tasks are inserted manually during the migration from classic mode to document mode.

- */

- private static class MigrationActivityDelegate extends ActivityDelegate {

- private final List<Entry> mEntries;

- private final int mSelectedTabId;

- private MigrationActivityDelegate(List<Entry> entries, int selectedTabId) {

- super(DocumentActivity.class, IncognitoDocumentActivity.class);

- mEntries = entries;

- mSelectedTabId = selectedTabId;

- }

- public int getSelectedTabId() {

- return mSelectedTabId;

- }

- @Override

- public boolean isValidActivity(boolean isIncognito, Intent intent) {

- return true;

- }

- @Override

- public List<Entry> getTasksFromRecents(boolean isIncognito) {

- // We need to have our own list here, since these entries have not actually been

- // created in Recents yet.

- return mEntries;

- }

- private static class MigrationTabCreatorManager implements TabCreatorManager {

- TabDelegateImpl mRegularTabCreator = new TabDelegateImpl(false);

- TabDelegateImpl mIncognitoTabCreator = new TabDelegateImpl(true);

- @Override

- public TabDelegateImpl getTabCreator(boolean incognito) {

- return incognito ? mIncognitoTabCreator : mRegularTabCreator;

- }

- private static class MigrationTabModel extends DocumentTabModelImpl {

- private final SparseArray<String> mTitleList;

- /**

- * Constucts a {@link DocumentTabModel} to be used for migration.

- * @param activityDelegate The delegate that has the tabs to be migrated.

- * @param storageDelegate Delegate that interacts with the file system.

- */

- MigrationTabModel(MigrationActivityDelegate activityDelegate,

- StorageDelegate storageDelegate) {

- super(activityDelegate, storageDelegate, new MigrationTabCreatorManager(), false,

- Tab.INVALID_TAB_ID, ApplicationStatus.getApplicationContext());

- startTabStateLoad();

- mTitleList = new SparseArray<String>();

- setLastShownId(activityDelegate.getSelectedTabId());

- }

- /**

- * Returns the display title for the Document with the given ID.

- * @param tabId The ID for the document to return the url for.

- * @return The display title for the entry if it was found, null otherwise.

- */

- public String getTitleForDocument(int tabId) {

- String title = mTitleList.get(tabId);

- return TextUtils.isEmpty(title) ? "" : title;

- }

- @Override

- protected boolean shouldStartDeserialization(int currentState) {

- return currentState == STATE_LOAD_TAB_STATE_BG_END;

- }

- @Override

- protected void updateEntryInfoFromTabState(Entry entry, TabState tabState) {

- super.updateEntryInfoFromTabState(entry, tabState);

- mTitleList.put(entry.tabId, tabState.getDisplayTitleFromState());

- }

- /**

- * Migrates all tab state to classic mode and creates a tab model file using the current

- * {@link DocumentTabModel} instances.

- * @param activity The activity to be finished after migration if necessary.

- * @param finalizeMode The mode in which the migration should be finalized.

- */

- public static void migrateTabsFromDocumentToClassic(final Activity activity,

- int finalizeMode) {

- Context context = ApplicationStatus.getApplicationContext();

- // Before migration we remove all incognito tabs and also remove the

- // tabs that can not be reached through the {@link DocumentTabModel} instances.

- List<Integer> tabIdsToRemove = new ArrayList<Integer>();

- DocumentTabModelImpl normalTabModel = (DocumentTabModelImpl)

- ChromeMobileApplication.getDocumentTabModelSelector().getModel(false);

- OffTheRecordDocumentTabModel incognitoTabModel = (OffTheRecordDocumentTabModel)

- ChromeMobileApplication.getDocumentTabModelSelector().getModel(true);

- // TODO(yusufo): Clean up this logic.

- for (int i = 0; i < incognitoTabModel.getCount(); i++) {

- tabIdsToRemove.add(incognitoTabModel.getTabAt(i).getId());

- }

- ActivityManager am =

- (ActivityManager) context.getSystemService(Activity.ACTIVITY_SERVICE);

- List<AppTask> taskList = am.getAppTasks();

- for (int i = 0; i < taskList.size(); i++) {

- Intent intent = DocumentUtils.getBaseIntentFromTask(taskList.get(i));

- int id = ActivityDelegate.getTabIdFromIntent(intent);

- if (id == Tab.INVALID_TAB_ID) continue;

- if (tabIdsToRemove.contains(id)) taskList.get(i).finishAndRemoveTask();

- }

- incognitoTabModel.updateRecentlyClosed();

- File migratedFolder = TabPersistentStore.getStateDirectory(context, 0);

- String tabStatefileName = new File(migratedFolder,

- TabPersistentStore.SAVED_STATE_FILE).getAbsolutePath();

- // All the TabStates (incognito or not) live in the same directory.

- File[] allTabs = normalTabModel.getStorageDelegate().getStateDirectory().listFiles();

- try {

- for (int i = 0; i < allTabs.length; i++) {

- String fileName = allTabs[i].getName();

- Pair<Integer, Boolean> tabInfo = TabState.parseInfoFromFilename(fileName);

- if (tabInfo == null) continue;

- int tabId = tabInfo.first;

- // Also remove the tab state file for the closed tabs.

- boolean success;

- if (!tabIdsToRemove.contains(tabId)) {

- success = allTabs[i].renameTo(new File(migratedFolder, fileName));

- } else {

- success = allTabs[i].delete();

- }

- if (!success) Log.e(TAG, "Failed to move/delete file for tab ID: " + tabId);

- }

- if (normalTabModel.getCount() != 0) {

- byte[] listData;

- listData = TabPersistentStore.serializeTabModelSelector(

- ChromeMobileApplication.getDocumentTabModelSelector(), null);

- ImportantFileWriterAndroid.writeFileAtomically(tabStatefileName, listData);

- }

- } catch (IOException e) {

- Log.e(TAG , "IO exception during tab migration, tab state might not restore correctly");

- }

- finalizeMigration(activity, finalizeMode);

- }

- /**

- * Migrates all tab state to document mode and creates tasks for each currently open tab.

- * @param activity Activity to be used while launching the tasks.

- * @param finalizeMode The mode in which the migration should be finalized.

- */

- public static void migrateTabsFromClassicToDocument(

- final Activity activity, final int finalizeMode) {

- StorageDelegate storageDelegate = new StorageDelegate();

- MigrationActivityDelegate activityDelegate =

- createActivityDelegateWithTabsToMigrate(storageDelegate, activity);

- final MigrationTabModel normalTabModel =

- new MigrationTabModel(activityDelegate, storageDelegate);

- InitializationObserver observer = new InitializationObserver(normalTabModel) {

- @Override

- protected void runImmediately() {

- addAppTasksFromFiles(activity, normalTabModel, finalizeMode);

- }

- @Override

- public boolean isSatisfied(int currentState) {

- return currentState == DocumentTabModelImpl.STATE_DESERIALIZE_END;

- }

- @Override

- public boolean isCanceled() {

- return false;

- }

- };

- observer.runWhenReady();

- }

- /**

- * Migrate tabs saved in classic mode to document mode for an upgrade. This doesn't restart

- * the app process but only finishes the {@link ChromeLauncherActivity} it was being called

- * with.

- * @param activity The activity to use for carrying out and finalizing the migration.

- * @param finalizeMode The mode in which the migration should be finalized.

- * @return Whether any tabs will be migrated.

- */

- public static boolean migrateTabsToDocumentForUpgrade(Activity activity,

- int finalizeMode) {

- // Temporarily allowing disk access. TODO: Fix. See http://crbug.com/493157

- StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads();

- StrictMode.allowThreadDiskWrites();

- try {

- ChromePreferenceManager.getInstance(activity).setAttemptedMigrationOnUpgrade();

- File[] fileList = TabPersistentStore.getStateDirectory(activity, 0).listFiles();

- if (fileList == null || fileList.length == 0

- || (fileList.length == 1

- && fileList[0].getName().equals(TabPersistentStore.SAVED_STATE_FILE))) {

- return false;

- }

- migrateTabsFromClassicToDocument(activity, finalizeMode);

- return true;

- } finally {

- StrictMode.setThreadPolicy(oldPolicy);

- }

- private static void finalizeMigration(Activity activity, final int mode) {

- switch(mode) {

- case FINALIZE_MODE_NO_ACTION:

- return;

- case FINALIZE_MODE_FINISH_ACTIVITY:

- activity.finishAndRemoveTask();

- return;

- case FINALIZE_MODE_RESTART_APP:

- ApplicationLifetime.terminate(true);

- return;

- default:

- assert false;

- }

- private static MigrationActivityDelegate createActivityDelegateWithTabsToMigrate(

- StorageDelegate storageDelegate, Activity activity) {

- File migratedFolder = storageDelegate.getStateDirectory();

- if (!migratedFolder.exists() && !migratedFolder.mkdir()) {

- Log.e(TAG, "Failed to create folder: " + migratedFolder.getAbsolutePath());

- }

- // Create maps for all tabs that will be used during TabModel initialization.

- final List<Entry> normalEntryMap = new ArrayList<Entry>();

- int currentSelectorIndex = 0;

- File currentFolder = TabPersistentStore.getStateDirectory(activity, currentSelectorIndex);

- MigrationTabStateReadCallback callback = new MigrationTabStateReadCallback();

- while (currentFolder.listFiles() != null && currentFolder.listFiles().length != 0) {

- File[] allTabs = TabPersistentStore

- .getStateDirectory(activity, currentSelectorIndex).listFiles();

- try {

- TabPersistentStore.readSavedStateFile(currentFolder, callback);

- } catch (IOException e) {

- Log.e(TAG, "IO Exception while trying to get the last used tab id");

- }

- for (int i = 0; i < allTabs.length; i++) {

- // Move tab state file to the document side folder.

- String fileName = allTabs[i].getName();

- Pair<Integer, Boolean> tabInfo = TabState.parseInfoFromFilename(fileName);

- if (tabInfo == null) continue;

- boolean success;

- if (tabInfo.second) {

- success = allTabs[i].delete();

- } else {

- success = allTabs[i].renameTo(new File(migratedFolder, fileName));

- normalEntryMap.add(new Entry(tabInfo.first, UrlConstants.NTP_URL));

- }

- if (!success) Log.e(TAG, "Failed to move/delete file: " + fileName);

- }

- currentSelectorIndex++;

- currentFolder = TabPersistentStore.getStateDirectory(activity, currentSelectorIndex);

- }

- return new MigrationActivityDelegate(normalEntryMap, callback.getSelectedTabId());

- }

- private static void addAppTasksFromFiles(final Activity activity,

- final MigrationTabModel tabModel, final int finalizeMode) {

- if (tabModel.getCount() == 0) {

- finalizeMigration(activity, finalizeMode);

- return;

- }

- final TabContentManager contentManager =

- new TabContentManager(activity, new ContentOffsetProvider() {

- @Override

- public int getOverlayTranslateY() {

- return 0;

- }

- }, DeviceClassManager.enableSnapshots());

- FaviconHelper faviconHelper = new FaviconHelper();

- for (int i = 0; i < tabModel.getCount(); i++) {

- final int tabId = tabModel.getTabAt(i).getId();

- String currentUrl = tabModel.getCurrentUrlForDocument(tabId);

- String currentTitle = tabModel.getTitleForDocument(tabId);

- final boolean finalizeWhenDone = i == tabModel.getCount() - 1;

- // Use placeholders if we can't find anything for url and title.

- if (TextUtils.isEmpty(currentUrl)) currentUrl = UrlConstants.NTP_URL;

- if (TextUtils.isEmpty(currentTitle)

- && !NativePageFactory.isNativePageUrl(currentUrl, false)) {

- currentTitle = UrlUtilities.getDomainAndRegistry(currentUrl, false);

- }

- final String url = currentUrl;

- final String title = currentTitle;

- faviconHelper.getLargestRawFaviconForUrl(

- Profile.getLastUsedProfile().getOriginalProfile(),

- url, ICON_TYPES, DESIRED_ICON_SIZE_DP,

- new FaviconImageCallback() {

- @Override

- public void onFaviconAvailable(final Bitmap favicon, String iconUrl) {

- // Even if either the favicon or the thumbnail comes back null

- // add the AppTask with the return values. The framework handles a null

- // favicon and addAppTask below handles null thumbnails.

- DecompressThumbnailCallback thumbnailCallback =

- new DecompressThumbnailCallback() {

- @Override

- public void onFinishGetBitmap(Bitmap bitmap) {

- if (!NativePageFactory.isNativePageUrl(url, false)

- && !url.startsWith(UrlConstants.CHROME_SCHEME)) {

- addAppTask(activity, tabId,

- tabModel.getTabStateForDocument(tabId),

- url, title, favicon, bitmap);

- }

- // TODO(yusufo) : Have a counter here to make sure all tabs

- // before this one has been added.

- if (finalizeWhenDone) {

- finalizeMigration(activity, finalizeMode);

- }

- };

- contentManager.getThumbnailForId(tabId, thumbnailCallback);

- }

- });

- }

- private static void addAppTask(Activity activity, int tabId, TabState tabState,

- String currentUrl, String title, Bitmap favicon, Bitmap bitmap) {

- if (tabId == ActivityDelegate.getTabIdFromIntent(activity.getIntent())) return;

- // Create intent and taskDescription.

- Intent intent = new Intent(Intent.ACTION_VIEW,

- DocumentTabModelSelector.createDocumentDataString(tabId, currentUrl));

- intent.setClassName(activity, ChromeLauncherActivity.getDocumentClassName(false));

- intent.putExtra(IntentHandler.EXTRA_PRESERVE_TASK, true);

- intent.addFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT);

- ActivityManager am =

- (ActivityManager) activity.getSystemService(Activity.ACTIVITY_SERVICE);

- Bitmap thumbnail = Bitmap.createBitmap(am.getAppTaskThumbnailSize().getWidth(),

- am.getAppTaskThumbnailSize().getHeight(), Config.ARGB_8888);

- Canvas canvas = new Canvas(thumbnail);

- if (bitmap == null) {

- canvas.drawColor(Color.WHITE);

- } else {

- float scale = Math.max(

- (float) thumbnail.getWidth() / bitmap.getWidth(),

- (float) thumbnail.getHeight() / bitmap.getHeight());

- canvas.scale(scale, scale);

- canvas.drawBitmap(bitmap, 0, 0, null);

- }

- TaskDescription taskDescription = new TaskDescription(title, favicon,

- activity.getResources().getColor(R.color.default_primary_color));

- am.addAppTask(activity, intent, taskDescription, thumbnail);

- Entry entry = new Entry(tabId, tabState);

- DocumentTabModelImpl tabModel = (DocumentTabModelImpl) ChromeMobileApplication

- .getDocumentTabModelSelector().getModel(false);

- tabModel.addEntryForMigration(entry);

- }

- /**

- * Migrates tabs with state to and from document mode.

- * @param toDocumentMode Whether the user is opting out. If true the migration is from Document

- * to Classic mode.

- * @param activity The activity to use for launching intent if needed.

- * @param terminate Whether the application process should be terminated after the migration.

- */

- public static void migrateTabs(boolean toDocumentMode, final Activity activity,

- boolean terminate) {

- // Temporarily allowing disk access. TODO: Fix. See http://crbug.com/493157

- StrictMode.ThreadPolicy oldPolicy = StrictMode.allowThreadDiskReads();

- StrictMode.allowThreadDiskWrites();

- try {

- int terminateMode =

- terminate ? FINALIZE_MODE_RESTART_APP : FINALIZE_MODE_FINISH_ACTIVITY;

- if (toDocumentMode) {

- migrateTabsFromClassicToDocument(activity, terminateMode);

- } else {

- migrateTabsFromDocumentToClassic(activity, terminateMode);

- }

- } finally {

- StrictMode.setThreadPolicy(oldPolicy);

- }