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gerrit-public.fairphone.software / platform / packages / apps / Launcher3 / 2313eff05b8f52e72ebe06c589c419941fa019d6 / . / src / com / android / launcher2 / Launcher.java
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/*
* Copyright (C) 2008 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.launcher2;
import com.android.common.Search;
import com.android.launcher.R;
import com.android.launcher2.CustomizePagedView.CustomizationType;
import com.android.launcher2.Workspace.ShrinkState;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.animation.PropertyValuesHolder;
import android.animation.TimeInterpolator;
import android.animation.ValueAnimator;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.SearchManager;
import android.app.StatusBarManager;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProviderInfo;
import android.content.ActivityNotFoundException;
import android.content.BroadcastReceiver;
import android.content.ClipData;
import android.content.ClipDescription;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.Intent.ShortcutIconResource;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.database.ContentObserver;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.os.Parcelable;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.provider.LiveFolders;
import android.provider.Settings;
import android.speech.RecognizerIntent;
import android.text.Selection;
import android.text.SpannableStringBuilder;
import android.text.TextUtils;
import android.text.method.TextKeyListener;
import android.util.Log;
import android.view.HapticFeedbackConstants;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.view.View.OnLongClickListener;
import android.view.accessibility.AccessibilityEvent;
import android.view.animation.DecelerateInterpolator;
import android.view.inputmethod.InputMethodManager;
import android.widget.Advanceable;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.PopupWindow;
import android.widget.TabHost;
import android.widget.TabWidget;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.TabHost.OnTabChangeListener;
import android.widget.TabHost.TabContentFactory;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
/**
* Default launcher application.
*/
public final class Launcher extends Activity
implements View.OnClickListener, OnLongClickListener, LauncherModel.Callbacks,
AllAppsView.Watcher, View.OnTouchListener {
static final String TAG = "Launcher";
static final boolean LOGD = false;
static final boolean PROFILE_STARTUP = false;
static final boolean DEBUG_WIDGETS = false;
static final boolean DEBUG_USER_INTERFACE = false;
private static final int MENU_GROUP_ADD = 1;
private static final int MENU_GROUP_WALLPAPER = MENU_GROUP_ADD + 1;
private static final int MENU_ADD = Menu.FIRST + 1;
private static final int MENU_MANAGE_APPS = MENU_ADD + 1;
private static final int MENU_WALLPAPER_SETTINGS = MENU_MANAGE_APPS + 1;
private static final int MENU_SEARCH = MENU_WALLPAPER_SETTINGS + 1;
private static final int MENU_NOTIFICATIONS = MENU_SEARCH + 1;
private static final int MENU_SETTINGS = MENU_NOTIFICATIONS + 1;
private static final int REQUEST_CREATE_SHORTCUT = 1;
private static final int REQUEST_CREATE_LIVE_FOLDER = 4;
private static final int REQUEST_CREATE_APPWIDGET = 5;
private static final int REQUEST_PICK_APPLICATION = 6;
private static final int REQUEST_PICK_SHORTCUT = 7;
private static final int REQUEST_PICK_LIVE_FOLDER = 8;
private static final int REQUEST_PICK_APPWIDGET = 9;
private static final int REQUEST_PICK_WALLPAPER = 10;
static final String EXTRA_SHORTCUT_DUPLICATE = "duplicate";
static final int SCREEN_COUNT = 5;
static final int DEFAULT_SCREEN = 2;
static final int DIALOG_CREATE_SHORTCUT = 1;
static final int DIALOG_RENAME_FOLDER = 2;
private static final String PREFERENCES = "launcher.preferences";
// Type: int
private static final String RUNTIME_STATE_CURRENT_SCREEN = "launcher.current_screen";
// Type: int
private static final String RUNTIME_STATE = "launcher.state";
// Type: long
private static final String RUNTIME_STATE_USER_FOLDERS = "launcher.user_folder";
// Type: int
private static final String RUNTIME_STATE_PENDING_ADD_SCREEN = "launcher.add_screen";
// Type: int
private static final String RUNTIME_STATE_PENDING_ADD_CELL_X = "launcher.add_cellX";
// Type: int
private static final String RUNTIME_STATE_PENDING_ADD_CELL_Y = "launcher.add_cellY";
// Type: boolean
private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME = "launcher.rename_folder";
// Type: long
private static final String RUNTIME_STATE_PENDING_FOLDER_RENAME_ID = "launcher.rename_folder_id";
// tags for the customization tabs
private static final String WIDGETS_TAG = "widgets";
private static final String APPLICATIONS_TAG = "applications";
private static final String SHORTCUTS_TAG = "shortcuts";
private static final String WALLPAPERS_TAG = "wallpapers";
private static final String TOOLBAR_ICON_METADATA_NAME = "com.android.launcher.toolbar_icon";
/** The different states that Launcher can be in. */
private enum State { WORKSPACE, ALL_APPS, CUSTOMIZE, OVERVIEW,
CUSTOMIZE_SPRING_LOADED, ALL_APPS_SPRING_LOADED };
private State mState = State.WORKSPACE;
private AnimatorSet mStateAnimation;
static final int APPWIDGET_HOST_ID = 1024;
private static final Object sLock = new Object();
private static int sScreen = DEFAULT_SCREEN;
private final BroadcastReceiver mCloseSystemDialogsReceiver
= new CloseSystemDialogsIntentReceiver();
private final ContentObserver mWidgetObserver = new AppWidgetResetObserver();
private LayoutInflater mInflater;
private DragController mDragController;
private Workspace mWorkspace;
private AppWidgetManager mAppWidgetManager;
private LauncherAppWidgetHost mAppWidgetHost;
private int mAddScreen = -1;
private int mAddIntersectCellX = -1;
private int mAddIntersectCellY = -1;
private int[] mAddDropPosition;
private int[] mTmpAddItemCellCoordinates = new int[2];
private FolderInfo mFolderInfo;
private DeleteZone mDeleteZone;
private HandleView mHandleView;
private AllAppsView mAllAppsGrid;
private TabHost mHomeCustomizationDrawer;
private boolean mAutoAdvanceRunning = false;
private AllAppsPagedView mAllAppsPagedView = null;
private CustomizePagedView mCustomizePagedView = null;
private Bundle mSavedState;
private SpannableStringBuilder mDefaultKeySsb = null;
private boolean mWorkspaceLoading = true;
private boolean mPaused = true;
private boolean mRestoring;
private boolean mWaitingForResult;
private boolean mOnResumeNeedsLoad;
private Bundle mSavedInstanceState;
private LauncherModel mModel;
private IconCache mIconCache;
private boolean mUserPresent = true;
private boolean mVisible = false;
private boolean mAttached = false;
private static LocaleConfiguration sLocaleConfiguration = null;
private ArrayList<ItemInfo> mDesktopItems = new ArrayList<ItemInfo>();
private static HashMap<Long, FolderInfo> sFolders = new HashMap<Long, FolderInfo>();
private ImageView mPreviousView;
private ImageView mNextView;
// Hotseats (quick-launch icons next to AllApps)
private String[] mHotseatConfig = null;
private Intent[] mHotseats = null;
private Drawable[] mHotseatIcons = null;
private CharSequence[] mHotseatLabels = null;
private Intent mAppMarketIntent = null;
// Related to the auto-advancing of widgets
private final int ADVANCE_MSG = 1;
private final int mAdvanceInterval = 20000;
private final int mAdvanceStagger = 250;
private long mAutoAdvanceSentTime;
private long mAutoAdvanceTimeLeft = -1;
private HashMap<View, AppWidgetProviderInfo> mWidgetsToAdvance =
new HashMap<View, AppWidgetProviderInfo>();
// External icons saved in case of resource changes, orientation, etc.
private static Drawable.ConstantState sGlobalSearchIcon;
private static Drawable.ConstantState sVoiceSearchIcon;
private static Drawable.ConstantState sAppMarketIcon;
private CustomizationType getCustomizeFilterForTabTag(String tag) {
if (tag.equals(WIDGETS_TAG)) {
return CustomizationType.WidgetCustomization;
} else if (tag.equals(APPLICATIONS_TAG)) {
return CustomizationType.ApplicationCustomization;
} else if (tag.equals(WALLPAPERS_TAG)) {
return CustomizePagedView.CustomizationType.WallpaperCustomization;
} else if (tag.equals(SHORTCUTS_TAG)) {
return CustomizePagedView.CustomizationType.ShortcutCustomization;
}
return CustomizationType.WidgetCustomization;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (LauncherApplication.isInPlaceRotationEnabled()) {
// hide the status bar (temporary until we get the status bar design figured out)
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
this.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR);
}
LauncherApplication app = ((LauncherApplication)getApplication());
mModel = app.setLauncher(this);
mIconCache = app.getIconCache();
mDragController = new DragController(this);
mInflater = getLayoutInflater();
mAppWidgetManager = AppWidgetManager.getInstance(this);
mAppWidgetHost = new LauncherAppWidgetHost(this, APPWIDGET_HOST_ID);
mAppWidgetHost.startListening();
if (PROFILE_STARTUP) {
android.os.Debug.startMethodTracing(
Environment.getExternalStorageDirectory() + "/launcher");
}
loadHotseats();
checkForLocaleChange();
setContentView(R.layout.launcher);
mHomeCustomizationDrawer = (TabHost) findViewById(R.id.customization_drawer);
if (mHomeCustomizationDrawer != null) {
mHomeCustomizationDrawer.setup();
// share the same customization workspace across all the tabs
mCustomizePagedView = (CustomizePagedView) mInflater.inflate(
R.layout.customization_drawer, mHomeCustomizationDrawer, false);
TabContentFactory contentFactory = new TabContentFactory() {
public View createTabContent(String tag) {
return mCustomizePagedView;
}
};
TextView tabView;
TabWidget tabWidget = (TabWidget)
mHomeCustomizationDrawer.findViewById(com.android.internal.R.id.tabs);
tabView = (TextView) mInflater.inflate(R.layout.tab_widget_indicator, tabWidget, false);
tabView.setText(getString(R.string.widgets_tab_label));
mHomeCustomizationDrawer.addTab(mHomeCustomizationDrawer.newTabSpec(WIDGETS_TAG)
.setIndicator(tabView).setContent(contentFactory));
tabView = (TextView) mInflater.inflate(R.layout.tab_widget_indicator, tabWidget, false);
tabView.setText(getString(R.string.applications_tab_label));
mHomeCustomizationDrawer.addTab(mHomeCustomizationDrawer.newTabSpec(APPLICATIONS_TAG)
.setIndicator(tabView).setContent(contentFactory));
tabView = (TextView) mInflater.inflate(R.layout.tab_widget_indicator, tabWidget, false);
tabView.setText(getString(R.string.wallpapers_tab_label));
mHomeCustomizationDrawer.addTab(mHomeCustomizationDrawer.newTabSpec(WALLPAPERS_TAG)
.setIndicator(tabView).setContent(contentFactory));
tabView = (TextView) mInflater.inflate(R.layout.tab_widget_indicator, tabWidget, false);
tabView.setText(getString(R.string.shortcuts_tab_label));
mHomeCustomizationDrawer.addTab(mHomeCustomizationDrawer.newTabSpec(SHORTCUTS_TAG)
.setIndicator(tabView).setContent(contentFactory));
mHomeCustomizationDrawer.setOnTabChangedListener(new OnTabChangeListener() {
public void onTabChanged(String tabId) {
final CustomizePagedView.CustomizationType newType =
getCustomizeFilterForTabTag(tabId);
if (newType != mCustomizePagedView.getCustomizationFilter()) {
// animate the changing of the tab content by fading pages in and out
final Resources res = getResources();
final int duration = res.getInteger(R.integer.config_tabTransitionTime);
final float alpha = mCustomizePagedView.getAlpha();
ValueAnimator alphaAnim = ObjectAnimator.ofFloat(mCustomizePagedView,
"alpha", alpha, 0.0f);
alphaAnim.setDuration(duration);
alphaAnim.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
String tag = mHomeCustomizationDrawer.getCurrentTabTag();
mCustomizePagedView.setCustomizationFilter(newType);
final float alpha = mCustomizePagedView.getAlpha();
ValueAnimator alphaAnim = ObjectAnimator.ofFloat(
mCustomizePagedView, "alpha", alpha, 1.0f);
alphaAnim.setDuration(duration);
alphaAnim.start();
}
});
alphaAnim.start();
}
}
});
}
setupViews();
registerContentObservers();
lockAllApps();
mSavedState = savedInstanceState;
restoreState(mSavedState);
// Update customization drawer _after_ restoring the states
if (mCustomizePagedView != null) {
mCustomizePagedView.update();
}
if (PROFILE_STARTUP) {
android.os.Debug.stopMethodTracing();
}
if (!mRestoring) {
mModel.startLoader(this, true);
}
// For handling default keys
mDefaultKeySsb = new SpannableStringBuilder();
Selection.setSelection(mDefaultKeySsb, 0);
IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
registerReceiver(mCloseSystemDialogsReceiver, filter);
// If we have a saved version of these external icons, we load them up immediately
if (LauncherApplication.isScreenXLarge()) {
if (sGlobalSearchIcon != null) {
updateGlobalSearchIcon(sGlobalSearchIcon);
}
if (sVoiceSearchIcon != null) {
updateVoiceSearchIcon(sVoiceSearchIcon);
}
if (sAppMarketIcon != null) {
updateAppMarketIcon(sAppMarketIcon);
}
}
}
@Override
public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
super.dispatchPopulateAccessibilityEvent(event);
// we want to take over text population so it is context dependent
event.getText().clear();
if (mState == State.ALL_APPS) {
event.getText().add(getString(R.string.all_apps_button_label));
} else if (mState == State.WORKSPACE) {
event.getText().add(getString(R.string.all_apps_home_button_label));
}
return true;
}
private void checkForLocaleChange() {
if (sLocaleConfiguration == null) {
new AsyncTask<Void, Void, LocaleConfiguration>() {
@Override
protected LocaleConfiguration doInBackground(Void... unused) {
LocaleConfiguration localeConfiguration = new LocaleConfiguration();
readConfiguration(Launcher.this, localeConfiguration);
return localeConfiguration;
}
@Override
protected void onPostExecute(LocaleConfiguration result) {
sLocaleConfiguration = result;
checkForLocaleChange(); // recursive, but now with a locale configuration
}
}.execute();
return;
}
final Configuration configuration = getResources().getConfiguration();
final String previousLocale = sLocaleConfiguration.locale;
final String locale = configuration.locale.toString();
final int previousMcc = sLocaleConfiguration.mcc;
final int mcc = configuration.mcc;
final int previousMnc = sLocaleConfiguration.mnc;
final int mnc = configuration.mnc;
boolean localeChanged = !locale.equals(previousLocale) || mcc != previousMcc || mnc != previousMnc;
if (localeChanged) {
sLocaleConfiguration.locale = locale;
sLocaleConfiguration.mcc = mcc;
sLocaleConfiguration.mnc = mnc;
mIconCache.flush();
loadHotseats();
final LocaleConfiguration localeConfiguration = sLocaleConfiguration;
new Thread("WriteLocaleConfiguration") {
@Override
public void run() {
writeConfiguration(Launcher.this, localeConfiguration);
}
}.start();
}
}
private static class LocaleConfiguration {
public String locale;
public int mcc = -1;
public int mnc = -1;
}
private static void readConfiguration(Context context, LocaleConfiguration configuration) {
DataInputStream in = null;
try {
in = new DataInputStream(context.openFileInput(PREFERENCES));
configuration.locale = in.readUTF();
configuration.mcc = in.readInt();
configuration.mnc = in.readInt();
} catch (FileNotFoundException e) {
// Ignore
} catch (IOException e) {
// Ignore
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
// Ignore
}
}
}
}
private static void writeConfiguration(Context context, LocaleConfiguration configuration) {
DataOutputStream out = null;
try {
out = new DataOutputStream(context.openFileOutput(PREFERENCES, MODE_PRIVATE));
out.writeUTF(configuration.locale);
out.writeInt(configuration.mcc);
out.writeInt(configuration.mnc);
out.flush();
} catch (FileNotFoundException e) {
// Ignore
} catch (IOException e) {
//noinspection ResultOfMethodCallIgnored
context.getFileStreamPath(PREFERENCES).delete();
} finally {
if (out != null) {
try {
out.close();
} catch (IOException e) {
// Ignore
}
}
}
}
static int getScreen() {
synchronized (sLock) {
return sScreen;
}
}
static void setScreen(int screen) {
synchronized (sLock) {
sScreen = screen;
}
}
// Note: This doesn't do all the client-id magic that BrowserProvider does
// in Browser. (http://b/2425179)
private Uri getDefaultBrowserUri() {
String url = getString(R.string.default_browser_url);
if (url.indexOf("{CID}") != -1) {
url = url.replace("{CID}", "android-google");
}
return Uri.parse(url);
}
// Load the Intent templates from arrays.xml to populate the hotseats. For
// each Intent, if it resolves to a single app, use that as the launch
// intent & use that app's label as the contentDescription. Otherwise,
// retain the ResolveActivity so the user can pick an app.
private void loadHotseats() {
if (mHotseatConfig == null) {
mHotseatConfig = getResources().getStringArray(R.array.hotseats);
if (mHotseatConfig.length > 0) {
mHotseats = new Intent[mHotseatConfig.length];
mHotseatLabels = new CharSequence[mHotseatConfig.length];
mHotseatIcons = new Drawable[mHotseatConfig.length];
} else {
mHotseats = null;
mHotseatIcons = null;
mHotseatLabels = null;
}
TypedArray hotseatIconDrawables = getResources().obtainTypedArray(R.array.hotseat_icons);
for (int i=0; i<mHotseatConfig.length; i++) {
// load icon for this slot; currently unrelated to the actual activity
try {
mHotseatIcons[i] = hotseatIconDrawables.getDrawable(i);
} catch (ArrayIndexOutOfBoundsException ex) {
Log.w(TAG, "Missing hotseat_icons array item #" + i);
mHotseatIcons[i] = null;
}
}
hotseatIconDrawables.recycle();
}
PackageManager pm = getPackageManager();
for (int i=0; i<mHotseatConfig.length; i++) {
Intent intent = null;
if (mHotseatConfig[i].equals("*BROWSER*")) {
// magic value meaning "launch user's default web browser"
// replace it with a generic web request so we can see if there is indeed a default
String defaultUri = getString(R.string.default_browser_url);
intent = new Intent(
Intent.ACTION_VIEW,
((defaultUri != null)
? Uri.parse(defaultUri)
: getDefaultBrowserUri())
).addCategory(Intent.CATEGORY_BROWSABLE);
// note: if the user launches this without a default set, she
// will always be taken to the default URL above; this is
// unavoidable as we must specify a valid URL in order for the
// chooser to appear, and once the user selects something, that
// URL is unavoidably sent to the chosen app.
} else {
try {
intent = Intent.parseUri(mHotseatConfig[i], 0);
} catch (java.net.URISyntaxException ex) {
Log.w(TAG, "Invalid hotseat intent: " + mHotseatConfig[i]);
// bogus; leave intent=null
}
}
if (intent == null) {
mHotseats[i] = null;
mHotseatLabels[i] = getText(R.string.activity_not_found);
continue;
}
if (LOGD) {
Log.d(TAG, "loadHotseats: hotseat " + i
+ " initial intent=["
+ intent.toUri(Intent.URI_INTENT_SCHEME)
+ "]");
}
ResolveInfo bestMatch = pm.resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
List<ResolveInfo> allMatches = pm.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
if (LOGD) {
Log.d(TAG, "Best match for intent: " + bestMatch);
Log.d(TAG, "All matches: ");
for (ResolveInfo ri : allMatches) {
Log.d(TAG, " --> " + ri);
}
}
// did this resolve to a single app, or the resolver?
if (allMatches.size() == 0 || bestMatch == null) {
// can't find any activity to handle this. let's leave the
// intent as-is and let Launcher show a toast when it fails
// to launch.
mHotseats[i] = intent;
// set accessibility text to "Not installed"
mHotseatLabels[i] = getText(R.string.activity_not_found);
} else {
boolean found = false;
for (ResolveInfo ri : allMatches) {
if (bestMatch.activityInfo.name.equals(ri.activityInfo.name)
&& bestMatch.activityInfo.applicationInfo.packageName
.equals(ri.activityInfo.applicationInfo.packageName)) {
found = true;
break;
}
}
if (!found) {
if (LOGD) Log.d(TAG, "Multiple options, no default yet");
// the bestMatch is probably the ResolveActivity, meaning the
// user has not yet selected a default
// so: we'll keep the original intent for now
mHotseats[i] = intent;
// set the accessibility text to "Select shortcut"
mHotseatLabels[i] = getText(R.string.title_select_shortcut);
} else {
// we have an app!
// now reconstruct the intent to launch it through the front
// door
ComponentName com = new ComponentName(
bestMatch.activityInfo.applicationInfo.packageName,
bestMatch.activityInfo.name);
mHotseats[i] = new Intent(Intent.ACTION_MAIN).setComponent(com);
// load the app label for accessibility
mHotseatLabels[i] = bestMatch.activityInfo.loadLabel(pm);
}
}
if (LOGD) {
Log.d(TAG, "loadHotseats: hotseat " + i
+ " final intent=["
+ ((mHotseats[i] == null)
? "null"
: mHotseats[i].toUri(Intent.URI_INTENT_SCHEME))
+ "] label=[" + mHotseatLabels[i]
+ "]"
);
}
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
mWaitingForResult = false;
// The pattern used here is that a user PICKs a specific application,
// which, depending on the target, might need to CREATE the actual target.
// For example, the user would PICK_SHORTCUT for "Music playlist", and we
// launch over to the Music app to actually CREATE_SHORTCUT.
if (resultCode == RESULT_OK && mAddScreen != -1) {
switch (requestCode) {
case REQUEST_PICK_APPLICATION:
completeAddApplication(
this, data, mAddScreen, mAddIntersectCellX, mAddIntersectCellY);
break;
case REQUEST_PICK_SHORTCUT:
processShortcut(data);
break;
case REQUEST_CREATE_SHORTCUT:
completeAddShortcut(data, mAddScreen, mAddIntersectCellX, mAddIntersectCellY);
break;
case REQUEST_PICK_LIVE_FOLDER:
addLiveFolder(data);
break;
case REQUEST_CREATE_LIVE_FOLDER:
completeAddLiveFolder(data, mAddScreen, mAddIntersectCellX, mAddIntersectCellY);
break;
case REQUEST_PICK_APPWIDGET:
addAppWidgetFromPick(data);
break;
case REQUEST_CREATE_APPWIDGET:
int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1);
completeAddAppWidget(appWidgetId, mAddScreen);
break;
case REQUEST_PICK_WALLPAPER:
// We just wanted the activity result here so we can clear mWaitingForResult
break;
}
} else if ((requestCode == REQUEST_PICK_APPWIDGET ||
requestCode == REQUEST_CREATE_APPWIDGET) && resultCode == RESULT_CANCELED &&
data != null) {
// Clean up the appWidgetId if we canceled
int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1);
if (appWidgetId != -1) {
mAppWidgetHost.deleteAppWidgetId(appWidgetId);
}
}
}
@Override
protected void onResume() {
super.onResume();
mPaused = false;
if (mRestoring || mOnResumeNeedsLoad) {
mWorkspaceLoading = true;
mModel.startLoader(this, true);
mRestoring = false;
mOnResumeNeedsLoad = false;
}
// When we resume Launcher, a different Activity might be responsible for the app
// market intent, so refresh the icon
updateAppMarketIcon();
}
@Override
protected void onPause() {
super.onPause();
// Some launcher layouts don't have a previous and next view
if (mPreviousView != null) {
dismissPreview(mPreviousView);
}
if (mNextView != null) {
dismissPreview(mNextView);
}
mPaused = true;
mDragController.cancelDrag();
}
@Override
public Object onRetainNonConfigurationInstance() {
// Flag the loader to stop early before switching
mModel.stopLoader();
mAllAppsGrid.surrender();
return Boolean.TRUE;
}
// We can't hide the IME if it was forced open. So don't bother
/*
@Override
public void onWindowFocusChanged(boolean hasFocus) {
super.onWindowFocusChanged(hasFocus);
if (hasFocus) {
final InputMethodManager inputManager = (InputMethodManager)
getSystemService(Context.INPUT_METHOD_SERVICE);
WindowManager.LayoutParams lp = getWindow().getAttributes();
inputManager.hideSoftInputFromWindow(lp.token, 0, new android.os.ResultReceiver(new
android.os.Handler()) {
protected void onReceiveResult(int resultCode, Bundle resultData) {
Log.d(TAG, "ResultReceiver got resultCode=" + resultCode);
}
});
Log.d(TAG, "called hideSoftInputFromWindow from onWindowFocusChanged");
}
}
*/
private boolean acceptFilter() {
final InputMethodManager inputManager = (InputMethodManager)
getSystemService(Context.INPUT_METHOD_SERVICE);
return !inputManager.isFullscreenMode();
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
boolean handled = super.onKeyDown(keyCode, event);
if (!handled && acceptFilter() && keyCode != KeyEvent.KEYCODE_ENTER) {
boolean gotKey = TextKeyListener.getInstance().onKeyDown(mWorkspace, mDefaultKeySsb,
keyCode, event);
if (gotKey && mDefaultKeySsb != null && mDefaultKeySsb.length() > 0) {
// something usable has been typed - start a search
// the typed text will be retrieved and cleared by
// showSearchDialog()
// If there are multiple keystrokes before the search dialog takes focus,
// onSearchRequested() will be called for every keystroke,
// but it is idempotent, so it's fine.
return onSearchRequested();
}
}
// Eat the long press event so the keyboard doesn't come up.
if (keyCode == KeyEvent.KEYCODE_MENU && event.isLongPress()) {
return true;
}
return handled;
}
private String getTypedText() {
return mDefaultKeySsb.toString();
}
private void clearTypedText() {
mDefaultKeySsb.clear();
mDefaultKeySsb.clearSpans();
Selection.setSelection(mDefaultKeySsb, 0);
}
/**
* Given the integer (ordinal) value of a State enum instance, convert it to a variable of type
* State
*/
private static State intToState(int stateOrdinal) {
State state = State.WORKSPACE;
final State[] stateValues = State.values();
for (int i = 0; i < stateValues.length; i++) {
if (stateValues[i].ordinal() == stateOrdinal) {
state = stateValues[i];
break;
}
}
return state;
}
/**
* Restores the previous state, if it exists.
*
* @param savedState The previous state.
*/
private void restoreState(Bundle savedState) {
if (savedState == null) {
return;
}
State state = intToState(savedState.getInt(RUNTIME_STATE, State.WORKSPACE.ordinal()));
if (state == State.ALL_APPS) {
showAllApps(false);
} else if (state == State.CUSTOMIZE) {
showCustomizationDrawer(false);
}
final int currentScreen = savedState.getInt(RUNTIME_STATE_CURRENT_SCREEN, -1);
if (currentScreen > -1) {
mWorkspace.setCurrentPage(currentScreen);
}
final int addScreen = savedState.getInt(RUNTIME_STATE_PENDING_ADD_SCREEN, -1);
if (addScreen > -1) {
mAddScreen = addScreen;
mAddIntersectCellX = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_X);
mAddIntersectCellY = savedState.getInt(RUNTIME_STATE_PENDING_ADD_CELL_Y);
mRestoring = true;
}
boolean renameFolder = savedState.getBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, false);
if (renameFolder) {
long id = savedState.getLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID);
mFolderInfo = mModel.getFolderById(this, sFolders, id);
mRestoring = true;
}
// Restore the current AllApps drawer tab
if (mAllAppsGrid != null && mAllAppsGrid instanceof AllAppsTabbed) {
String curTab = savedState.getString("allapps_currentTab");
if (curTab != null) {
AllAppsTabbed tabhost = (AllAppsTabbed) mAllAppsGrid;
tabhost.setCurrentTabByTag(curTab);
}
int curPage = savedState.getInt("allapps_currentPage", -1);
if (curPage > -1) {
mAllAppsPagedView.setRestorePage(curPage);
}
}
// Restore the current customization drawer tab
if (mHomeCustomizationDrawer != null) {
String curTab = savedState.getString("customize_currentTab");
if (curTab != null) {
// We set this directly so that there is no delay before the tab is set
mCustomizePagedView.setCustomizationFilter(getCustomizeFilterForTabTag(curTab));
mHomeCustomizationDrawer.setCurrentTabByTag(curTab);
}
// Note: currently we do not restore the page for the customization tray because unlike
// AllApps, the page content can change drastically
}
}
/**
* Finds all the views we need and configure them properly.
*/
private void setupViews() {
final DragController dragController = mDragController;
DragLayer dragLayer = (DragLayer) findViewById(R.id.drag_layer);
dragLayer.setDragController(dragController);
mAllAppsGrid = (AllAppsView)dragLayer.findViewById(R.id.all_apps_view);
mAllAppsGrid.setLauncher(this);
mAllAppsGrid.setDragController(dragController);
((View) mAllAppsGrid).setWillNotDraw(false); // We don't want a hole punched in our window.
// Manage focusability manually since this thing is always visible (in non-xlarge)
((View) mAllAppsGrid).setFocusable(false);
if (LauncherApplication.isScreenXLarge()) {
// They need to be INVISIBLE initially so that they will be measured in the layout.
// Otherwise the animations are messed up when we show them for the first time.
((View) mAllAppsGrid).setVisibility(View.INVISIBLE);
mHomeCustomizationDrawer.setVisibility(View.INVISIBLE);
}
mWorkspace = (Workspace) dragLayer.findViewById(R.id.workspace);
final Workspace workspace = mWorkspace;
workspace.setHapticFeedbackEnabled(false);
DeleteZone deleteZone = (DeleteZone) dragLayer.findViewById(R.id.delete_zone);
mDeleteZone = deleteZone;
View handleView = findViewById(R.id.all_apps_button);
if (handleView != null && handleView instanceof HandleView) {
// we don't use handle view in xlarge mode
mHandleView = (HandleView)handleView;
mHandleView.setLauncher(this);
mHandleView.setOnClickListener(this);
mHandleView.setOnLongClickListener(this);
}
if (mCustomizePagedView != null) {
mCustomizePagedView.setLauncher(this);
mCustomizePagedView.setDragController(dragController);
} else {
ImageView hotseatLeft = (ImageView) findViewById(R.id.hotseat_left);
hotseatLeft.setContentDescription(mHotseatLabels[0]);
hotseatLeft.setImageDrawable(mHotseatIcons[0]);
ImageView hotseatRight = (ImageView) findViewById(R.id.hotseat_right);
hotseatRight.setContentDescription(mHotseatLabels[1]);
hotseatRight.setImageDrawable(mHotseatIcons[1]);
mPreviousView = (ImageView) dragLayer.findViewById(R.id.previous_screen);
mNextView = (ImageView) dragLayer.findViewById(R.id.next_screen);
Drawable previous = mPreviousView.getDrawable();
Drawable next = mNextView.getDrawable();
mWorkspace.setIndicators(previous, next);
mPreviousView.setHapticFeedbackEnabled(false);
mPreviousView.setOnLongClickListener(this);
mNextView.setHapticFeedbackEnabled(false);
mNextView.setOnLongClickListener(this);
}
workspace.setOnLongClickListener(this);
workspace.setDragController(dragController);
workspace.setLauncher(this);
workspace.setWallpaperDimension();
deleteZone.setLauncher(this);
deleteZone.setDragController(dragController);
int deleteZoneHandleId;
final View allAppsButton = findViewById(R.id.all_apps_button);
final View divider = findViewById(R.id.divider);
final View configureButton = findViewById(R.id.configure_button);
if (LauncherApplication.isScreenXLarge()) {
deleteZone.setOverlappingViews(new View[] { allAppsButton, divider, configureButton });
} else {
deleteZone.setOverlappingView(findViewById(R.id.all_apps_button_cluster));
}
dragController.addDragListener(deleteZone);
DeleteZone allAppsDeleteZone = (DeleteZone) findViewById(R.id.all_apps_delete_zone);
if (allAppsDeleteZone != null) {
allAppsDeleteZone.setLauncher(this);
allAppsDeleteZone.setDragController(dragController);
allAppsDeleteZone.setDragAndDropEnabled(false);
dragController.addDragListener(allAppsDeleteZone);
dragController.addDropTarget(allAppsDeleteZone);
}
ApplicationInfoDropTarget allAppsInfoTarget = (ApplicationInfoDropTarget)
findViewById(R.id.all_apps_info_target);
if (allAppsInfoTarget != null) {
allAppsInfoTarget.setLauncher(this);
dragController.addDragListener(allAppsInfoTarget);
allAppsInfoTarget.setDragAndDropEnabled(false);
View marketButton = findViewById(R.id.market_button);
if (marketButton != null) {
allAppsInfoTarget.setOverlappingView(marketButton);
}
}
dragController.setDragScoller(workspace);
dragController.setScrollView(dragLayer);
dragController.setMoveTarget(workspace);
// The order here is bottom to top.
dragController.addDropTarget(workspace);
dragController.addDropTarget(deleteZone);
if (allAppsInfoTarget != null) {
dragController.addDropTarget(allAppsInfoTarget);
}
if (allAppsDeleteZone != null) {
dragController.addDropTarget(allAppsDeleteZone);
}
}
@SuppressWarnings({"UnusedDeclaration"})
public void previousScreen(View v) {
if (mState != State.ALL_APPS) {
mWorkspace.scrollLeft();
}
}
@SuppressWarnings({"UnusedDeclaration"})
public void nextScreen(View v) {
if (mState != State.ALL_APPS) {
mWorkspace.scrollRight();
}
}
@SuppressWarnings({"UnusedDeclaration"})
public void launchHotSeat(View v) {
if (mState == State.ALL_APPS) return;
int index = -1;
if (v.getId() == R.id.hotseat_left) {
index = 0;
} else if (v.getId() == R.id.hotseat_right) {
index = 1;
}
// reload these every tap; you never know when they might change
loadHotseats();
if (index >= 0 && index < mHotseats.length && mHotseats[index] != null) {
Intent intent = mHotseats[index];
startActivitySafely(
mHotseats[index],
"hotseat"
);
}
}
/**
* Creates a view representing a shortcut.
*
* @param info The data structure describing the shortcut.
*
* @return A View inflated from R.layout.application.
*/
View createShortcut(ShortcutInfo info) {
return createShortcut(R.layout.application,
(ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), info);
}
/**
* Creates a view representing a shortcut inflated from the specified resource.
*
* @param layoutResId The id of the XML layout used to create the shortcut.
* @param parent The group the shortcut belongs to.
* @param info The data structure describing the shortcut.
*
* @return A View inflated from layoutResId.
*/
View createShortcut(int layoutResId, ViewGroup parent, ShortcutInfo info) {
BubbleTextView favorite = (BubbleTextView) mInflater.inflate(layoutResId, parent, false);
favorite.applyFromShortcutInfo(info, mIconCache);
favorite.setOnClickListener(this);
return favorite;
}
/**
* Add an application shortcut to the workspace.
*
* @param data The intent describing the application.
* @param cellInfo The position on screen where to create the shortcut.
*/
void completeAddApplication(Context context, Intent data, int screen,
int intersectCellX, int intersectCellY) {
final int[] cellXY = mTmpAddItemCellCoordinates;
final CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen);
if (!layout.findCellForSpanThatIntersects(cellXY, 1, 1, intersectCellX, intersectCellY)) {
showOutOfSpaceMessage();
return;
}
final ShortcutInfo info = mModel.getShortcutInfo(context.getPackageManager(),
data, context);
if (info != null) {
info.setActivity(data.getComponent(), Intent.FLAG_ACTIVITY_NEW_TASK |
Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
info.container = ItemInfo.NO_ID;
mWorkspace.addApplicationShortcut(info, screen, cellXY[0], cellXY[1],
isWorkspaceLocked(), mAddIntersectCellX, mAddIntersectCellY);
} else {
Log.e(TAG, "Couldn't find ActivityInfo for selected application: " + data);
}
}
/**
* Add a shortcut to the workspace.
*
* @param data The intent describing the shortcut.
* @param cellInfo The position on screen where to create the shortcut.
*/
private void completeAddShortcut(Intent data, int screen,
int intersectCellX, int intersectCellY) {
final int[] cellXY = mTmpAddItemCellCoordinates;
final CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen);
int[] touchXY = null;
if (mAddDropPosition != null && mAddDropPosition[0] > -1 && mAddDropPosition[1] > -1) {
touchXY = mAddDropPosition;
}
boolean foundCellSpan = false;
if (touchXY != null) {
// when dragging and dropping, just find the closest free spot
CellLayout screenLayout = (CellLayout) mWorkspace.getChildAt(screen);
int[] result = screenLayout.findNearestVacantArea(
touchXY[0], touchXY[1], 1, 1, cellXY);
foundCellSpan = (result != null);
} else {
foundCellSpan = layout.findCellForSpanThatIntersects(
cellXY, 1, 1, intersectCellX, intersectCellY);
}
if (!foundCellSpan) {
showOutOfSpaceMessage();
return;
}
final ShortcutInfo info = mModel.addShortcut(
this, data, screen, cellXY[0], cellXY[1], false);
if (!mRestoring) {
final View view = createShortcut(info);
mWorkspace.addInScreen(view, screen, cellXY[0], cellXY[1], 1, 1, isWorkspaceLocked());
}
}
/**
* Add a widget to the workspace.
*
* @param appWidgetId The app widget id
* @param cellInfo The position on screen where to create the widget.
*/
private void completeAddAppWidget(int appWidgetId, int screen) {
AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId);
// Calculate the grid spans needed to fit this widget
CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen);
int[] spanXY = layout.rectToCell(appWidgetInfo.minWidth, appWidgetInfo.minHeight, null);
// Try finding open space on Launcher screen
// We have saved the position to which the widget was dragged-- this really only matters
// if we are placing widgets on a "spring-loaded" screen
final int[] cellXY = mTmpAddItemCellCoordinates;
// For now, we don't save the coordinate where we dropped the icon because we're not
// supporting spring-loaded mini-screens; however, leaving the ability to directly place
// a widget on the home screen in case we want to add it in the future
int[] touchXY = null;
if (mAddDropPosition != null && mAddDropPosition[0] > -1 && mAddDropPosition[1] > -1) {
touchXY = mAddDropPosition;
}
boolean foundCellSpan = false;
if (touchXY != null) {
// when dragging and dropping, just find the closest free spot
CellLayout screenLayout = (CellLayout) mWorkspace.getChildAt(screen);
int[] result = screenLayout.findNearestVacantArea(
touchXY[0], touchXY[1], spanXY[0], spanXY[1], cellXY);
foundCellSpan = (result != null);
} else {
// if we long pressed on an empty cell to bring up a menu,
// make sure we intersect the empty cell
// if mAddIntersectCellX/Y are -1 (e.g. we used menu -> add) then
// findCellForSpanThatIntersects will just ignore them
foundCellSpan = layout.findCellForSpanThatIntersects(cellXY, spanXY[0], spanXY[1],
mAddIntersectCellX, mAddIntersectCellY);
}
if (!foundCellSpan) {
if (appWidgetId != -1) mAppWidgetHost.deleteAppWidgetId(appWidgetId);
showOutOfSpaceMessage();
return;
}
// Build Launcher-specific widget info and save to database
LauncherAppWidgetInfo launcherInfo = new LauncherAppWidgetInfo(appWidgetId);
launcherInfo.spanX = spanXY[0];
launcherInfo.spanY = spanXY[1];
LauncherModel.addItemToDatabase(this, launcherInfo,
LauncherSettings.Favorites.CONTAINER_DESKTOP,
screen, cellXY[0], cellXY[1], false);
if (!mRestoring) {
mDesktopItems.add(launcherInfo);
// Perform actual inflation because we're live
launcherInfo.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo);
launcherInfo.hostView.setAppWidget(appWidgetId, appWidgetInfo);
launcherInfo.hostView.setTag(launcherInfo);
mWorkspace.addInScreen(launcherInfo.hostView, screen, cellXY[0], cellXY[1],
launcherInfo.spanX, launcherInfo.spanY, isWorkspaceLocked());
addWidgetToAutoAdvanceIfNeeded(launcherInfo.hostView, appWidgetInfo);
}
}
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
final String action = intent.getAction();
if (Intent.ACTION_SCREEN_OFF.equals(action)) {
mUserPresent = false;
updateRunning();
} else if (Intent.ACTION_USER_PRESENT.equals(action)) {
mUserPresent = true;
updateRunning();
}
}
};
@Override
public void onAttachedToWindow() {
super.onAttachedToWindow();
// Listen for broadcasts related to user-presence
final IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_SCREEN_OFF);
filter.addAction(Intent.ACTION_USER_PRESENT);
registerReceiver(mReceiver, filter);
mAttached = true;
mVisible = true;
}
@Override
public void onDetachedFromWindow() {
super.onDetachedFromWindow();
mVisible = false;
if (mAttached) {
unregisterReceiver(mReceiver);
mAttached = false;
}
updateRunning();
}
public void onWindowVisibilityChanged(int visibility) {
mVisible = visibility == View.VISIBLE;
updateRunning();
}
private void sendAdvanceMessage(long delay) {
mHandler.removeMessages(ADVANCE_MSG);
Message msg = mHandler.obtainMessage(ADVANCE_MSG);
mHandler.sendMessageDelayed(msg, delay);
mAutoAdvanceSentTime = System.currentTimeMillis();
}
private void updateRunning() {
boolean autoAdvanceRunning = mVisible && mUserPresent && !mWidgetsToAdvance.isEmpty();
if (autoAdvanceRunning != mAutoAdvanceRunning) {
mAutoAdvanceRunning = autoAdvanceRunning;
if (autoAdvanceRunning) {
long delay = mAutoAdvanceTimeLeft == -1 ? mAdvanceInterval : mAutoAdvanceTimeLeft;
sendAdvanceMessage(delay);
} else {
if (!mWidgetsToAdvance.isEmpty()) {
mAutoAdvanceTimeLeft = Math.max(0, mAdvanceInterval -
(System.currentTimeMillis() - mAutoAdvanceSentTime));
}
mHandler.removeMessages(ADVANCE_MSG);
mHandler.removeMessages(0); // Remove messages sent using postDelayed()
}
}
}
private final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
if (msg.what == ADVANCE_MSG) {
int i = 0;
for (View key: mWidgetsToAdvance.keySet()) {
final View v = key.findViewById(mWidgetsToAdvance.get(key).autoAdvanceViewId);
final int delay = mAdvanceStagger * i;
if (v instanceof Advanceable) {
postDelayed(new Runnable() {
public void run() {
((Advanceable) v).advance();
}
}, delay);
}
i++;
}
sendAdvanceMessage(mAdvanceInterval);
}
}
};
void addWidgetToAutoAdvanceIfNeeded(View hostView, AppWidgetProviderInfo appWidgetInfo) {
if (appWidgetInfo.autoAdvanceViewId == -1) return;
View v = hostView.findViewById(appWidgetInfo.autoAdvanceViewId);
if (v instanceof Advanceable) {
mWidgetsToAdvance.put(hostView, appWidgetInfo);
((Advanceable) v).willBeAdvancedByHost();
updateRunning();
}
}
void removeWidgetToAutoAdvance(View hostView) {
if (mWidgetsToAdvance.containsKey(hostView)) {
mWidgetsToAdvance.remove(hostView);
updateRunning();
}
}
public void removeAppWidget(LauncherAppWidgetInfo launcherInfo) {
mDesktopItems.remove(launcherInfo);
removeWidgetToAutoAdvance(launcherInfo.hostView);
launcherInfo.hostView = null;
}
void showOutOfSpaceMessage() {
Toast.makeText(this, getString(R.string.out_of_space), Toast.LENGTH_SHORT).show();
}
public LauncherAppWidgetHost getAppWidgetHost() {
return mAppWidgetHost;
}
public LauncherModel getModel() {
return mModel;
}
void closeSystemDialogs() {
getWindow().closeAllPanels();
try {
dismissDialog(DIALOG_CREATE_SHORTCUT);
// Unlock the workspace if the dialog was showing
} catch (Exception e) {
// An exception is thrown if the dialog is not visible, which is fine
}
try {
dismissDialog(DIALOG_RENAME_FOLDER);
// Unlock the workspace if the dialog was showing
} catch (Exception e) {
// An exception is thrown if the dialog is not visible, which is fine
}
// Whatever we were doing is hereby canceled.
mWaitingForResult = false;
}
@Override
protected void onNewIntent(Intent intent) {
super.onNewIntent(intent);
// Close the menu
if (Intent.ACTION_MAIN.equals(intent.getAction())) {
// also will cancel mWaitingForResult.
closeSystemDialogs();
boolean alreadyOnHome = ((intent.getFlags() & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT)
!= Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT);
// in all these cases, only animate if we're already on home
if (LauncherApplication.isScreenXLarge()) {
mWorkspace.unshrink(alreadyOnHome);
}
if (!mWorkspace.isDefaultPageShowing()) {
// on the phone, we don't animate the change to the workspace if all apps is visible
boolean animate = alreadyOnHome &&
(LauncherApplication.isScreenXLarge() || mState != State.ALL_APPS);
mWorkspace.moveToDefaultScreen(animate);
if (!animate) mWorkspace.updateWallpaperOffsetImmediately();
}
showWorkspace(alreadyOnHome);
final View v = getWindow().peekDecorView();
if (v != null && v.getWindowToken() != null) {
InputMethodManager imm = (InputMethodManager)getSystemService(
INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
}
}
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
// Do not call super here
mSavedInstanceState = savedInstanceState;
}
@Override
protected void onSaveInstanceState(Bundle outState) {
outState.putInt(RUNTIME_STATE_CURRENT_SCREEN, mWorkspace.getCurrentPage());
final ArrayList<Folder> folders = mWorkspace.getOpenFolders();
if (folders.size() > 0) {
final int count = folders.size();
long[] ids = new long[count];
for (int i = 0; i < count; i++) {
final FolderInfo info = folders.get(i).getInfo();
ids[i] = info.id;
}
outState.putLongArray(RUNTIME_STATE_USER_FOLDERS, ids);
} else {
super.onSaveInstanceState(outState);
}
outState.putInt(RUNTIME_STATE, mState.ordinal());
if (mAddScreen > -1 && mWaitingForResult) {
outState.putInt(RUNTIME_STATE_PENDING_ADD_SCREEN, mAddScreen);
outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_X, mAddIntersectCellX);
outState.putInt(RUNTIME_STATE_PENDING_ADD_CELL_Y, mAddIntersectCellY);
}
if (mFolderInfo != null && mWaitingForResult) {
outState.putBoolean(RUNTIME_STATE_PENDING_FOLDER_RENAME, true);
outState.putLong(RUNTIME_STATE_PENDING_FOLDER_RENAME_ID, mFolderInfo.id);
}
// Save the current AllApps drawer tab
if (mAllAppsGrid != null && mAllAppsGrid instanceof AllAppsTabbed) {
AllAppsTabbed tabhost = (AllAppsTabbed) mAllAppsGrid;
String currentTabTag = tabhost.getCurrentTabTag();
if (currentTabTag != null) {
outState.putString("allapps_currentTab", currentTabTag);
outState.putInt("allapps_currentPage", mAllAppsPagedView.getCurrentPage());
}
}
// Save the current customization drawer tab
if (mHomeCustomizationDrawer != null) {
String currentTabTag = mHomeCustomizationDrawer.getCurrentTabTag();
if (currentTabTag != null) {
outState.putString("customize_currentTab", currentTabTag);
}
}
}
@Override
public void onDestroy() {
super.onDestroy();
try {
mAppWidgetHost.stopListening();
} catch (NullPointerException ex) {
Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex);
}
mAppWidgetHost = null;
mWidgetsToAdvance.clear();
TextKeyListener.getInstance().release();
mModel.stopLoader();
unbindDesktopItems();
getContentResolver().unregisterContentObserver(mWidgetObserver);
// Some launcher layouts don't have a previous and next view
if (mPreviousView != null) {
dismissPreview(mPreviousView);
}
if (mNextView != null) {
dismissPreview(mNextView);
}
unregisterReceiver(mCloseSystemDialogsReceiver);
((ViewGroup) mWorkspace.getParent()).removeAllViews();
mWorkspace.removeAllViews();
mWorkspace = null;
mDragController = null;
}
@Override
public void startActivityForResult(Intent intent, int requestCode) {
if (requestCode >= 0) mWaitingForResult = true;
super.startActivityForResult(intent, requestCode);
}
@Override
public void startSearch(String initialQuery, boolean selectInitialQuery,
Bundle appSearchData, boolean globalSearch) {
showWorkspace(true);
if (initialQuery == null) {
// Use any text typed in the launcher as the initial query
initialQuery = getTypedText();
clearTypedText();
}
if (appSearchData == null) {
appSearchData = new Bundle();
appSearchData.putString(Search.SOURCE, "launcher-search");
}
final SearchManager searchManager =
(SearchManager) getSystemService(Context.SEARCH_SERVICE);
searchManager.startSearch(initialQuery, selectInitialQuery, getComponentName(),
appSearchData, globalSearch);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
if (isWorkspaceLocked()) {
return false;
}
super.onCreateOptionsMenu(menu);
menu.add(MENU_GROUP_ADD, MENU_ADD, 0, R.string.menu_add)
.setIcon(android.R.drawable.ic_menu_add)
.setAlphabeticShortcut('A');
menu.add(0, MENU_MANAGE_APPS, 0, R.string.menu_manage_apps)
.setIcon(android.R.drawable.ic_menu_manage)
.setAlphabeticShortcut('M');
menu.add(MENU_GROUP_WALLPAPER, MENU_WALLPAPER_SETTINGS, 0, R.string.menu_wallpaper)
.setIcon(android.R.drawable.ic_menu_gallery)
.setAlphabeticShortcut('W');
menu.add(0, MENU_SEARCH, 0, R.string.menu_search)
.setIcon(android.R.drawable.ic_search_category_default)
.setAlphabeticShortcut(SearchManager.MENU_KEY);
menu.add(0, MENU_NOTIFICATIONS, 0, R.string.menu_notifications)
.setIcon(com.android.internal.R.drawable.ic_menu_notifications)
.setAlphabeticShortcut('N');
final Intent settings = new Intent(android.provider.Settings.ACTION_SETTINGS);
settings.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
menu.add(0, MENU_SETTINGS, 0, R.string.menu_settings)
.setIcon(android.R.drawable.ic_menu_preferences).setAlphabeticShortcut('P')
.setIntent(settings);
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
super.onPrepareOptionsMenu(menu);
// If all apps is animating, don't show the menu, because we don't know
// which one to show.
if (mAllAppsGrid.isAnimating()) {
return false;
}
// Only show the add and wallpaper options when we're not in all apps.
boolean visible = !mAllAppsGrid.isVisible();
menu.setGroupVisible(MENU_GROUP_ADD, visible);
menu.setGroupVisible(MENU_GROUP_WALLPAPER, visible);
// Disable add if the workspace is full.
if (visible) {
CellLayout layout = (CellLayout) mWorkspace.getChildAt(mWorkspace.getCurrentPage());
menu.setGroupEnabled(MENU_GROUP_ADD, layout.existsEmptyCell());
}
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_ADD:
addItems();
return true;
case MENU_MANAGE_APPS:
manageApps();
return true;
case MENU_WALLPAPER_SETTINGS:
startWallpaper();
return true;
case MENU_SEARCH:
onSearchRequested();
return true;
case MENU_NOTIFICATIONS:
showNotifications();
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* Indicates that we want global search for this activity by setting the globalSearch
* argument for {@link #startSearch} to true.
*/
@Override
public boolean onSearchRequested() {
startSearch(null, false, null, true);
return true;
}
public boolean isWorkspaceLocked() {
return mWorkspaceLoading || mWaitingForResult;
}
private void addItems() {
if (LauncherApplication.isScreenXLarge()) {
// Animate the widget chooser up from the bottom of the screen
if (mState != State.CUSTOMIZE) {
showCustomizationDrawer(true);
}
} else {
showWorkspace(true);
showAddDialog(-1, -1);
}
}
private void resetAddInfo() {
mAddScreen = -1;
mAddIntersectCellX = -1;
mAddIntersectCellY = -1;
mAddDropPosition = null;
}
void addAppWidgetFromDrop(PendingAddWidgetInfo info, int screen, int[] position) {
resetAddInfo();
mAddScreen = screen;
mAddDropPosition = position;
int appWidgetId = getAppWidgetHost().allocateAppWidgetId();
AppWidgetManager.getInstance(this).bindAppWidgetId(appWidgetId, info.componentName);
addAppWidgetImpl(appWidgetId, info);
}
private void manageApps() {
startActivity(new Intent(android.provider.Settings.ACTION_MANAGE_ALL_APPLICATIONS_SETTINGS));
}
void addAppWidgetFromPick(Intent data) {
// TODO: catch bad widget exception when sent
int appWidgetId = data.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, -1);
// TODO: Is this log message meaningful?
if (LOGD) Log.d(TAG, "dumping extras content=" + data.getExtras());
addAppWidgetImpl(appWidgetId, null);
}
void addAppWidgetImpl(int appWidgetId, PendingAddWidgetInfo info) {
AppWidgetProviderInfo appWidget = mAppWidgetManager.getAppWidgetInfo(appWidgetId);
if (appWidget.configure != null) {
// Launch over to configure widget, if needed
Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_CONFIGURE);
intent.setComponent(appWidget.configure);
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
if (info != null) {
if (info.mimeType != null && !info.mimeType.isEmpty()) {
intent.putExtra(
InstallWidgetReceiver.EXTRA_APPWIDGET_CONFIGURATION_DATA_MIME_TYPE,
info.mimeType);
final String mimeType = info.mimeType;
final ClipData clipData = (ClipData) info.configurationData;
final ClipDescription clipDesc = clipData.getDescription();
for (int i = 0; i < clipDesc.getMimeTypeCount(); ++i) {
if (clipDesc.getMimeType(i).equals(mimeType)) {
final ClipData.Item item = clipData.getItem(i);
final CharSequence stringData = item.getText();
final Uri uriData = item.getUri();
final Intent intentData = item.getIntent();
final String key =
InstallWidgetReceiver.EXTRA_APPWIDGET_CONFIGURATION_DATA;
if (uriData != null) {
intent.putExtra(key, uriData);
} else if (intentData != null) {
intent.putExtra(key, intentData);
} else if (stringData != null) {
intent.putExtra(key, stringData);
}
break;
}
}
}
}
startActivityForResultSafely(intent, REQUEST_CREATE_APPWIDGET);
} else {
// Otherwise just add it
completeAddAppWidget(appWidgetId, mAddScreen);
}
}
void processShortcutFromDrop(ComponentName componentName, int screen, int[] position) {
resetAddInfo();
mAddScreen = screen;
mAddDropPosition = position;
Intent createShortcutIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT);
createShortcutIntent.setComponent(componentName);
processShortcut(createShortcutIntent);
}
void processShortcut(Intent intent) {
// Handle case where user selected "Applications"
String applicationName = getResources().getString(R.string.group_applications);
String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME);
if (applicationName != null && applicationName.equals(shortcutName)) {
Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY);
pickIntent.putExtra(Intent.EXTRA_INTENT, mainIntent);
pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_application));
startActivityForResultSafely(pickIntent, REQUEST_PICK_APPLICATION);
} else {
startActivityForResultSafely(intent, REQUEST_CREATE_SHORTCUT);
}
}
void processWallpaper(Intent intent) {
startActivityForResult(intent, REQUEST_PICK_WALLPAPER);
}
void addLiveFolderFromDrop(ComponentName componentName, int screen, int[] position) {
resetAddInfo();
mAddScreen = screen;
mAddDropPosition = position;
Intent createFolderIntent = new Intent(LiveFolders.ACTION_CREATE_LIVE_FOLDER);
createFolderIntent.setComponent(componentName);
addLiveFolder(createFolderIntent);
}
void addLiveFolder(Intent intent) { // YYY add screen intersect etc. parameters here
// Handle case where user selected "Folder"
String folderName = getResources().getString(R.string.group_folder);
String shortcutName = intent.getStringExtra(Intent.EXTRA_SHORTCUT_NAME);
if (folderName != null && folderName.equals(shortcutName)) {
addFolder(mAddScreen, mAddIntersectCellX, mAddIntersectCellY);
} else {
startActivityForResultSafely(intent, REQUEST_CREATE_LIVE_FOLDER);
}
}
void addFolder(int screen, int intersectCellX, int intersectCellY) {
UserFolderInfo folderInfo = new UserFolderInfo();
folderInfo.title = getText(R.string.folder_name);
final CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen);
final int[] cellXY = mTmpAddItemCellCoordinates;
if (!layout.findCellForSpanThatIntersects(cellXY, 1, 1, intersectCellX, intersectCellY)) {
showOutOfSpaceMessage();
return;
}
// Update the model
LauncherModel.addItemToDatabase(this, folderInfo,
LauncherSettings.Favorites.CONTAINER_DESKTOP,
screen, cellXY[0], cellXY[1], false);
sFolders.put(folderInfo.id, folderInfo);
// Create the view
FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this,
(ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()),
folderInfo, mIconCache);
mWorkspace.addInScreen(newFolder, screen, cellXY[0], cellXY[1], 1, 1, isWorkspaceLocked());
}
void removeFolder(FolderInfo folder) {
sFolders.remove(folder.id);
}
private void completeAddLiveFolder(
Intent data, int screen, int intersectCellX, int intersectCellY) {
final CellLayout layout = (CellLayout) mWorkspace.getChildAt(screen);
final int[] cellXY = mTmpAddItemCellCoordinates;
if (!layout.findCellForSpanThatIntersects(cellXY, 1, 1, intersectCellX, intersectCellY)) {
showOutOfSpaceMessage();
return;
}
final LiveFolderInfo info = addLiveFolder(this, data, screen, cellXY[0], cellXY[1], false);
if (!mRestoring) {
final View view = LiveFolderIcon.fromXml(R.layout.live_folder_icon, this,
(ViewGroup) mWorkspace.getChildAt(mWorkspace.getCurrentPage()), info);
mWorkspace.addInScreen(view, screen, cellXY[0], cellXY[1], 1, 1, isWorkspaceLocked());
}
}
static LiveFolderInfo addLiveFolder(Context context, Intent data,
int screen, int cellX, int cellY, boolean notify) {
Intent baseIntent = data.getParcelableExtra(LiveFolders.EXTRA_LIVE_FOLDER_BASE_INTENT);
String name = data.getStringExtra(LiveFolders.EXTRA_LIVE_FOLDER_NAME);
Drawable icon = null;
Intent.ShortcutIconResource iconResource = null;
Parcelable extra = data.getParcelableExtra(LiveFolders.EXTRA_LIVE_FOLDER_ICON);
if (extra != null && extra instanceof Intent.ShortcutIconResource) {
try {
iconResource = (Intent.ShortcutIconResource) extra;
final PackageManager packageManager = context.getPackageManager();
Resources resources = packageManager.getResourcesForApplication(
iconResource.packageName);
final int id = resources.getIdentifier(iconResource.resourceName, null, null);
icon = resources.getDrawable(id);
} catch (Exception e) {
Log.w(TAG, "Could not load live folder icon: " + extra);
}
}
if (icon == null) {
icon = context.getResources().getDrawable(R.drawable.ic_launcher_folder);
}
final LiveFolderInfo info = new LiveFolderInfo();
info.icon = Utilities.createIconBitmap(icon, context);
info.title = name;
info.iconResource = iconResource;
info.uri = data.getData();
info.baseIntent = baseIntent;
info.displayMode = data.getIntExtra(LiveFolders.EXTRA_LIVE_FOLDER_DISPLAY_MODE,
LiveFolders.DISPLAY_MODE_GRID);
LauncherModel.addItemToDatabase(context, info, LauncherSettings.Favorites.CONTAINER_DESKTOP,
screen, cellX, cellY, notify);
sFolders.put(info.id, info);
return info;
}
private void showNotifications() {
final StatusBarManager statusBar = (StatusBarManager) getSystemService(STATUS_BAR_SERVICE);
if (statusBar != null) {
statusBar.expand();
}
}
private void startWallpaper() {
showWorkspace(true);
final Intent pickWallpaper = new Intent(Intent.ACTION_SET_WALLPAPER);
Intent chooser = Intent.createChooser(pickWallpaper,
getText(R.string.chooser_wallpaper));
// NOTE: Adds a configure option to the chooser if the wallpaper supports it
// Removed in Eclair MR1
// WallpaperManager wm = (WallpaperManager)
// getSystemService(Context.WALLPAPER_SERVICE);
// WallpaperInfo wi = wm.getWallpaperInfo();
// if (wi != null && wi.getSettingsActivity() != null) {
// LabeledIntent li = new LabeledIntent(getPackageName(),
// R.string.configure_wallpaper, 0);
// li.setClassName(wi.getPackageName(), wi.getSettingsActivity());
// chooser.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Intent[] { li });
// }
startActivityForResult(chooser, REQUEST_PICK_WALLPAPER);
}
/**
* Registers various content observers. The current implementation registers
* only a favorites observer to keep track of the favorites applications.
*/
private void registerContentObservers() {
ContentResolver resolver = getContentResolver();
resolver.registerContentObserver(LauncherProvider.CONTENT_APPWIDGET_RESET_URI,
true, mWidgetObserver);
}
@Override
public boolean dispatchKeyEvent(KeyEvent event) {
if (event.getAction() == KeyEvent.ACTION_DOWN) {
switch (event.getKeyCode()) {
case KeyEvent.KEYCODE_HOME:
return true;
case KeyEvent.KEYCODE_VOLUME_DOWN:
if (SystemProperties.getInt("debug.launcher2.dumpstate", 0) != 0) {
dumpState();
return true;
}
break;
}
} else if (event.getAction() == KeyEvent.ACTION_UP) {
switch (event.getKeyCode()) {
case KeyEvent.KEYCODE_HOME:
return true;
}
}
return super.dispatchKeyEvent(event);
}
@Override
public void onBackPressed() {
if (mState == State.ALL_APPS || mState == State.CUSTOMIZE) {
showWorkspace(true);
} else {
closeFolder();
}
// Some launcher layouts don't have a previous and next view
if (mPreviousView != null) {
dismissPreview(mPreviousView);
dismissPreview(mNextView);
}
}
private void closeFolder() {
Folder folder = mWorkspace.getOpenFolder();
if (folder != null) {
closeFolder(folder);
}
}
void closeFolder(Folder folder) {
folder.getInfo().opened = false;
ViewGroup parent = (ViewGroup) folder.getParent();
if (parent != null) {
CellLayout cl = (CellLayout) parent;
cl.removeViewWithoutMarkingCells(folder);
if (folder instanceof DropTarget) {
// Live folders aren't DropTargets.
mDragController.removeDropTarget((DropTarget)folder);
}
}
folder.onClose();
}
/**
* Re-listen when widgets are reset.
*/
private void onAppWidgetReset() {
mAppWidgetHost.startListening();
}
/**
* Go through the and disconnect any of the callbacks in the drawables and the views or we
* leak the previous Home screen on orientation change.
*/
private void unbindDesktopItems() {
for (ItemInfo item: mDesktopItems) {
item.unbind();
}
mDesktopItems.clear();
}
/**
* Launches the intent referred by the clicked shortcut.
*
* @param v The view representing the clicked shortcut.
*/
public void onClick(View v) {
Object tag = v.getTag();
if (tag instanceof ShortcutInfo) {
// Open shortcut
final Intent intent = ((ShortcutInfo) tag).intent;
int[] pos = new int[2];
v.getLocationOnScreen(pos);
intent.setSourceBounds(new Rect(pos[0], pos[1],
pos[0] + v.getWidth(), pos[1] + v.getHeight()));
startActivitySafely(intent, tag);
} else if (tag instanceof FolderInfo) {
handleFolderClick((FolderInfo) tag);
} else if (v == mHandleView) {
if (mState == State.ALL_APPS) {
showWorkspace(true);
} else {
showAllApps(true);
}
}
}
public boolean onTouch(View v, MotionEvent event) {
// this is an intercepted event being forwarded from mWorkspace;
// clicking anywhere on the workspace causes the customization drawer to slide down
showWorkspace(true);
return false;
}
/**
* Event handler for the search button
*
* @param v The view that was clicked.
*/
public void onClickSearchButton(View v) {
startSearch(null, false, null, true);
// Use a custom animation for launching search
overridePendingTransition(R.anim.fade_in_fast, R.anim.fade_out_fast);
}
/**
* Event handler for the voice button
*
* @param v The view that was clicked.
*/
public void onClickVoiceButton(View v) {
startVoiceSearch();
}
private void startVoiceSearch() {
Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
}
/**
* Event handler for the "gear" button that appears on the home screen, which
* enters home screen customization mode.
*
* @param v The view that was clicked.
*/
public void onClickConfigureButton(View v) {
addItems();
}
/**
* Event handler for the "grid" button that appears on the home screen, which
* enters all apps mode.
*
* @param v The view that was clicked.
*/
public void onClickAllAppsButton(View v) {
showAllApps(true);
}
public void onClickAppMarketButton(View v) {
if (mAppMarketIntent != null) {
startActivitySafely(mAppMarketIntent, "app market");
}
}
void startApplicationDetailsActivity(ComponentName componentName) {
String packageName = componentName.getPackageName();
Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS,
Uri.fromParts("package", packageName, null));
startActivity(intent);
}
void startApplicationUninstallActivity(ApplicationInfo appInfo) {
if ((appInfo.flags & ApplicationInfo.DOWNLOADED_FLAG) == 0) {
// System applications cannot be installed. For now, show a toast explaining that.
// We may give them the option of disabling apps this way.
int messageId = R.string.uninstall_system_app_text;
Toast.makeText(this, messageId, Toast.LENGTH_SHORT).show();
} else {
String packageName = appInfo.componentName.getPackageName();
String className = appInfo.componentName.getClassName();
Intent intent = new Intent(
Intent.ACTION_DELETE, Uri.fromParts("package", packageName, className));
startActivity(intent);
}
}
void startActivitySafely(Intent intent, Object tag) {
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
try {
startActivity(intent);
} catch (ActivityNotFoundException e) {
Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
Log.e(TAG, "Unable to launch. tag=" + tag + " intent=" + intent, e);
} catch (SecurityException e) {
Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
Log.e(TAG, "Launcher does not have the permission to launch " + intent +
". Make sure to create a MAIN intent-filter for the corresponding activity " +
"or use the exported attribute for this activity. "
+ "tag="+ tag + " intent=" + intent, e);
}
}
void startActivityForResultSafely(Intent intent, int requestCode) {
try {
startActivityForResult(intent, requestCode);
} catch (ActivityNotFoundException e) {
Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
} catch (SecurityException e) {
Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
Log.e(TAG, "Launcher does not have the permission to launch " + intent +
". Make sure to create a MAIN intent-filter for the corresponding activity " +
"or use the exported attribute for this activity.", e);
}
}
private void handleFolderClick(FolderInfo folderInfo) {
if (!folderInfo.opened) {
// Close any open folder
closeFolder();
// Open the requested folder
openFolder(folderInfo);
} else {
// Find the open folder...
Folder openFolder = mWorkspace.getFolderForTag(folderInfo);
int folderScreen;
if (openFolder != null) {
folderScreen = mWorkspace.getPageForView(openFolder);
// .. and close it
closeFolder(openFolder);
if (folderScreen != mWorkspace.getCurrentPage()) {
// Close any folder open on the current screen
closeFolder();
// Pull the folder onto this screen
openFolder(folderInfo);
}
}
}
}
/**
* Opens the user folder described by the specified tag. The opening of the folder
* is animated relative to the specified View. If the View is null, no animation
* is played.
*
* @param folderInfo The FolderInfo describing the folder to open.
*/
public void openFolder(FolderInfo folderInfo) {
Folder openFolder;
if (folderInfo instanceof UserFolderInfo) {
openFolder = UserFolder.fromXml(this);
} else if (folderInfo instanceof LiveFolderInfo) {
openFolder = com.android.launcher2.LiveFolder.fromXml(this, folderInfo);
} else {
return;
}
openFolder.setDragController(mDragController);
openFolder.setLauncher(this);
openFolder.bind(folderInfo);
folderInfo.opened = true;
mWorkspace.addInFullScreen(openFolder, folderInfo.screen);
openFolder.onOpen();
}
public boolean onLongClick(View v) {
switch (v.getId()) {
case R.id.previous_screen:
if (mState != State.ALL_APPS) {
mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS,
HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING);
showPreviews(v);
}
return true;
case R.id.next_screen:
if (mState != State.ALL_APPS) {
mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS,
HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING);
showPreviews(v);
}
return true;
case R.id.all_apps_button:
if (mState != State.ALL_APPS) {
mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS,
HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING);
showPreviews(v);
}
return true;
}
if (isWorkspaceLocked()) {
return false;
}
if (!(v instanceof CellLayout)) {
v = (View) v.getParent();
}
resetAddInfo();
CellLayout.CellInfo longClickCellInfo = (CellLayout.CellInfo) v.getTag();
// This happens when long clicking an item with the dpad/trackball
if (longClickCellInfo == null || !longClickCellInfo.valid) {
return true;
}
final View itemUnderLongClick = longClickCellInfo.cell;
if (mWorkspace.allowLongPress() && !mDragController.isDragging()) {
if (itemUnderLongClick == null) {
// User long pressed on empty space
mWorkspace.setAllowLongPress(false);
mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS,
HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING);
if (!LauncherApplication.isScreenXLarge()) {
showAddDialog(longClickCellInfo.cellX, longClickCellInfo.cellY);
}
} else {
if (!(itemUnderLongClick instanceof Folder)) {
// User long pressed on an item
mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS,
HapticFeedbackConstants.FLAG_IGNORE_VIEW_SETTING);
mAddIntersectCellX = longClickCellInfo.cellX;
mAddIntersectCellY = longClickCellInfo.cellY;
mWorkspace.startDrag(longClickCellInfo);
}
}
}
return true;
}
@SuppressWarnings({"unchecked"})
private void dismissPreview(final View v) {
final PopupWindow window = (PopupWindow) v.getTag();
if (window != null) {
window.setOnDismissListener(new PopupWindow.OnDismissListener() {
public void onDismiss() {
ViewGroup group = (ViewGroup) v.getTag(R.id.workspace);
int count = group.getChildCount();
for (int i = 0; i < count; i++) {
((ImageView) group.getChildAt(i)).setImageDrawable(null);
}
ArrayList<Bitmap> bitmaps = (ArrayList<Bitmap>) v.getTag(R.id.icon);
for (Bitmap bitmap : bitmaps) bitmap.recycle();
v.setTag(R.id.workspace, null);
v.setTag(R.id.icon, null);
window.setOnDismissListener(null);
}
});
window.dismiss();
}
v.setTag(null);
}
private void showPreviews(View anchor) {
showPreviews(anchor, 0, mWorkspace.getChildCount());
}
private void showPreviews(final View anchor, int start, int end) {
final Resources resources = getResources();
final Workspace workspace = mWorkspace;
CellLayout cell = ((CellLayout) workspace.getChildAt(start));
float max = workspace.getChildCount();
final Rect r = new Rect();
resources.getDrawable(R.drawable.preview_background).getPadding(r);
int extraW = (int) ((r.left + r.right) * max);
int extraH = r.top + r.bottom;
int aW = cell.getWidth() - extraW;
float w = aW / max;
int width = cell.getWidth();
int height = cell.getHeight();
int x = cell.getLeftPadding();
int y = cell.getTopPadding();
width -= (x + cell.getRightPadding());
height -= (y + cell.getBottomPadding());
float scale = w / width;
int count = end - start;
final float sWidth = width * scale;
float sHeight = height * scale;
LinearLayout preview = new LinearLayout(this);
PreviewTouchHandler handler = new PreviewTouchHandler(anchor);
ArrayList<Bitmap> bitmaps = new ArrayList<Bitmap>(count);
for (int i = start; i < end; i++) {
ImageView image = new ImageView(this);
cell = (CellLayout) workspace.getChildAt(i);
final Bitmap bitmap = Bitmap.createBitmap((int) sWidth, (int) sHeight,
Bitmap.Config.ARGB_8888);
final Canvas c = new Canvas(bitmap);
c.scale(scale, scale);
c.translate(-cell.getLeftPadding(), -cell.getTopPadding());
cell.drawChildren(c);
image.setBackgroundDrawable(resources.getDrawable(R.drawable.preview_background));
image.setImageBitmap(bitmap);
image.setTag(i);
image.setOnClickListener(handler);
image.setOnFocusChangeListener(handler);
image.setFocusable(true);
if (i == mWorkspace.getCurrentPage()) image.requestFocus();
preview.addView(image,
LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
bitmaps.add(bitmap);
}
final PopupWindow p = new PopupWindow(this);
p.setContentView(preview);
p.setWidth((int) (sWidth * count + extraW));
p.setHeight((int) (sHeight + extraH));
p.setAnimationStyle(R.style.AnimationPreview);
p.setOutsideTouchable(true);
p.setFocusable(true);
p.setBackgroundDrawable(new ColorDrawable(0));
p.showAsDropDown(anchor, 0, 0);
p.setOnDismissListener(new PopupWindow.OnDismissListener() {
public void onDismiss() {
dismissPreview(anchor);
}
});
anchor.setTag(p);
anchor.setTag(R.id.workspace, preview);
anchor.setTag(R.id.icon, bitmaps);
}
class PreviewTouchHandler implements View.OnClickListener, Runnable, View.OnFocusChangeListener {
private final View mAnchor;
public PreviewTouchHandler(View anchor) {
mAnchor = anchor;
}
public void onClick(View v) {
mWorkspace.snapToPage((Integer) v.getTag());
v.post(this);
}
public void run() {
dismissPreview(mAnchor);
}
public void onFocusChange(View v, boolean hasFocus) {
if (hasFocus) {
mWorkspace.snapToPage((Integer) v.getTag());
}
}
}
Workspace getWorkspace() {
return mWorkspace;
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DIALOG_CREATE_SHORTCUT:
return new CreateShortcut().createDialog();
case DIALOG_RENAME_FOLDER:
return new RenameFolder().createDialog();
}
return super.onCreateDialog(id);
}
@Override
protected void onPrepareDialog(int id, Dialog dialog) {
switch (id) {
case DIALOG_CREATE_SHORTCUT:
break;
case DIALOG_RENAME_FOLDER:
if (mFolderInfo != null) {
EditText input = (EditText) dialog.findViewById(R.id.folder_name);
final CharSequence text = mFolderInfo.title;
input.setText(text);
input.setSelection(0, text.length());
}
break;
}
}
void showRenameDialog(FolderInfo info) {
mFolderInfo = info;
mWaitingForResult = true;
showDialog(DIALOG_RENAME_FOLDER);
}
private void showAddDialog(int intersectX, int intersectY) {
resetAddInfo();
mAddIntersectCellX = intersectX;
mAddIntersectCellY = intersectY;
mAddScreen = mWorkspace.getCurrentPage();
mWaitingForResult = true;
showDialog(DIALOG_CREATE_SHORTCUT);
}
private void pickShortcut() {
// Insert extra item to handle picking application
Bundle bundle = new Bundle();
ArrayList<String> shortcutNames = new ArrayList<String>();
shortcutNames.add(getString(R.string.group_applications));
bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames);
ArrayList<ShortcutIconResource> shortcutIcons = new ArrayList<ShortcutIconResource>();
shortcutIcons.add(ShortcutIconResource.fromContext(Launcher.this,
R.drawable.ic_launcher_application));
bundle.putParcelableArrayList(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, shortcutIcons);
Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY);
pickIntent.putExtra(Intent.EXTRA_INTENT, new Intent(Intent.ACTION_CREATE_SHORTCUT));
pickIntent.putExtra(Intent.EXTRA_TITLE, getText(R.string.title_select_shortcut));
pickIntent.putExtras(bundle);
startActivityForResult(pickIntent, REQUEST_PICK_SHORTCUT);
}
private class RenameFolder {
private EditText mInput;
Dialog createDialog() {
final View layout = View.inflate(Launcher.this, R.layout.rename_folder, null);
mInput = (EditText) layout.findViewById(R.id.folder_name);
AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this);
builder.setIcon(0);
builder.setTitle(getString(R.string.rename_folder_title));
builder.setCancelable(true);
builder.setOnCancelListener(new Dialog.OnCancelListener() {
public void onCancel(DialogInterface dialog) {
cleanup();
}
});
builder.setNegativeButton(getString(R.string.cancel_action),
new Dialog.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
cleanup();
}
}
);
builder.setPositiveButton(getString(R.string.rename_action),
new Dialog.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
changeFolderName();
}
}
);
builder.setView(layout);
final AlertDialog dialog = builder.create();
dialog.setOnShowListener(new DialogInterface.OnShowListener() {
public void onShow(DialogInterface dialog) {
mWaitingForResult = true;
mInput.requestFocus();
InputMethodManager inputManager = (InputMethodManager)
getSystemService(Context.INPUT_METHOD_SERVICE);
inputManager.showSoftInput(mInput, 0);
}
});
return dialog;
}
private void changeFolderName() {
final String name = mInput.getText().toString();
if (!TextUtils.isEmpty(name)) {
// Make sure we have the right folder info
mFolderInfo = sFolders.get(mFolderInfo.id);
mFolderInfo.title = name;
LauncherModel.updateItemInDatabase(Launcher.this, mFolderInfo);
if (mWorkspaceLoading) {
lockAllApps();
mModel.startLoader(Launcher.this, false);
} else {
final FolderIcon folderIcon = (FolderIcon)
mWorkspace.getViewForTag(mFolderInfo);
if (folderIcon != null) {
folderIcon.setText(name);
getWorkspace().requestLayout();
} else {
lockAllApps();
mWorkspaceLoading = true;
mModel.startLoader(Launcher.this, false);
}
}
}
cleanup();
}
private void cleanup() {
dismissDialog(DIALOG_RENAME_FOLDER);
mWaitingForResult = false;
mFolderInfo = null;
}
}
// Now a part of LauncherModel.Callbacks. Used to reorder loading steps.
public boolean isAllAppsVisible() {
return mState == State.ALL_APPS;
}
// AllAppsView.Watcher
public void zoomed(float zoom) {
// In XLarge view, we zoom down the workspace below all apps so it's still visible
if (zoom == 1.0f && !LauncherApplication.isScreenXLarge()) {
mWorkspace.setVisibility(View.GONE);
}
}
private void showToolbarButton(View button) {
button.setAlpha(1.0f);
button.setVisibility(View.VISIBLE);
button.setFocusable(true);
button.setClickable(true);
}
private void hideToolbarButton(View button) {
button.setAlpha(0.0f);
// We can't set it to GONE, otherwise the RelativeLayout gets screwed up
button.setVisibility(View.INVISIBLE);
button.setFocusable(false);
button.setClickable(false);
}
/**
* Helper function for showing or hiding a toolbar button, possibly animated.
*
* @param show If true, create an animation to the show the item. Otherwise, hide it.
* @param view The toolbar button to be animated
* @param seq A AnimatorSet that will be used to animate the transition. If null, the
* transition will not be animated.
*/
private void hideOrShowToolbarButton(boolean show, final View view, AnimatorSet seq) {
final boolean showing = show;
final boolean hiding = !show;
final int duration = show ?
getResources().getInteger(R.integer.config_toolbarButtonFadeInTime) :
getResources().getInteger(R.integer.config_toolbarButtonFadeOutTime);
if (seq != null) {
Animator anim = ObjectAnimator.ofFloat(view, "alpha", show ? 1.0f : 0.0f);
anim.setDuration(duration);
anim.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
if (showing) showToolbarButton(view);
}
@Override
public void onAnimationEnd(Animator animation) {
if (hiding) hideToolbarButton(view);
}
});
seq.play(anim);
} else {
if (showing) {
showToolbarButton(view);
} else {
hideToolbarButton(view);
}
}
}
/**
* Show/hide the appropriate toolbar buttons for newState.
* If showSeq or hideSeq is null, the transition will be done immediately (not animated).
*
* @param newState The state that is being switched to
* @param showSeq AnimatorSet in which to put "show" animations, or null.
* @param hideSeq AnimatorSet in which to put "hide" animations, or null.
*/
private void hideAndShowToolbarButtons(State newState, AnimatorSet showSeq, AnimatorSet hideSeq) {
final View searchButton = findViewById(R.id.search_button_cluster);
final View allAppsButton = findViewById(R.id.all_apps_button);
final View divider = findViewById(R.id.divider);
final View configureButton = findViewById(R.id.configure_button);
switch (newState) {
case WORKSPACE:
hideOrShowToolbarButton(true, searchButton, showSeq);
hideOrShowToolbarButton(true, allAppsButton, showSeq);
hideOrShowToolbarButton(true, divider, showSeq);
hideOrShowToolbarButton(true, configureButton, showSeq);
mDeleteZone.setOverlappingViews(new View[] { allAppsButton, divider, configureButton });
mDeleteZone.setDragAndDropEnabled(true);
mDeleteZone.setText(getResources().getString(R.string.delete_zone_label_workspace));
break;
case ALL_APPS:
hideOrShowToolbarButton(false, configureButton, hideSeq);
hideOrShowToolbarButton(false, searchButton, hideSeq);
hideOrShowToolbarButton(false, divider, hideSeq);
hideOrShowToolbarButton(false, allAppsButton, hideSeq);
mDeleteZone.setDragAndDropEnabled(false);
mDeleteZone.setText(getResources().getString(R.string.delete_zone_label_all_apps));
break;
case CUSTOMIZE:
hideOrShowToolbarButton(false, allAppsButton, hideSeq);
hideOrShowToolbarButton(false, searchButton, hideSeq);
hideOrShowToolbarButton(false, divider, hideSeq);
hideOrShowToolbarButton(false, configureButton, hideSeq);
mDeleteZone.setDragAndDropEnabled(false);
break;
}
}
/**
* Helper method for the cameraZoomIn/cameraZoomOut animations
* @param view The view being animated
* @param state The state that we are moving in or out of -- either ALL_APPS or CUSTOMIZE
* @param scaleFactor The scale factor used for the zoom
*/
private void setPivotsForZoom(View view, State state, float scaleFactor) {
final int height = view.getHeight();
view.setPivotX(view.getWidth() / 2.0f);
// Set pivotY so that at the starting zoom factor, the view is partially
// visible. Modifying initialHeightFactor changes how much of the view is
// initially showing, and hence the perceived angle from which the view enters.
if (state == State.ALL_APPS) {
final float initialHeightFactor = 0.165f;
view.setPivotY((1 - initialHeightFactor) * height);
} else {
final float initialHeightFactor = 0.2f;
view.setPivotY(-initialHeightFactor * height);
}
}
/**
* Zoom the camera out from the workspace to reveal 'toView'.
* Assumes that the view to show is anchored at either the very top or very bottom
* of the screen.
* @param toState The state to zoom out to. Must be ALL_APPS or CUSTOMIZE.
*/
private void cameraZoomOut(State toState, boolean animated) {
final Resources res = getResources();
final boolean toAllApps = (toState == State.ALL_APPS);
final int duration = toAllApps ?
res.getInteger(R.integer.config_allAppsZoomInTime) :
res.getInteger(R.integer.config_customizeZoomInTime);
final float scale = toAllApps ?
(float) res.getInteger(R.integer.config_allAppsZoomScaleFactor) :
(float) res.getInteger(R.integer.config_customizeZoomScaleFactor);
final View toView = toAllApps ? (View) mAllAppsGrid : mHomeCustomizationDrawer;
setPivotsForZoom(toView, toState, scale);
if (toAllApps) {
mWorkspace.shrink(ShrinkState.BOTTOM_HIDDEN, animated);
toView.setAlpha(0f);
} else {
mWorkspace.shrink(ShrinkState.TOP, animated);
}
if (animated) {
ValueAnimator scaleAnim = ObjectAnimator.ofPropertyValuesHolder(toView,
PropertyValuesHolder.ofFloat("scaleX", scale, 1.0f),
PropertyValuesHolder.ofFloat("scaleY", scale, 1.0f));
scaleAnim.setDuration(duration);
if (toAllApps) {
ObjectAnimator alphaAnim = ObjectAnimator.ofPropertyValuesHolder(toView,
PropertyValuesHolder.ofFloat("alpha", 1.0f));
alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f));
alphaAnim.setDuration(duration);
alphaAnim.start();
}
scaleAnim.setInterpolator(new Workspace.ZoomOutInterpolator());
scaleAnim.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
// Prepare the position
toView.setTranslationX(0.0f);
toView.setTranslationY(0.0f);
toView.setVisibility(View.VISIBLE);
if (!toAllApps) {
toView.setAlpha(1.0f);
}
}
@Override
public void onAnimationEnd(Animator animation) {
// If we don't set the final scale values here, if this animation is cancelled
// it will have the wrong scale value and subsequent cameraPan animations will
// not fix that
toView.setScaleX(1.0f);
toView.setScaleY(1.0f);
}
});
AnimatorSet toolbarHideAnim = new AnimatorSet();
AnimatorSet toolbarShowAnim = new AnimatorSet();
hideAndShowToolbarButtons(toState, toolbarShowAnim, toolbarHideAnim);
// toView should appear right at the end of the workspace shrink animation
final int startDelay = 0;
if (mStateAnimation != null) mStateAnimation.cancel();
mStateAnimation = new AnimatorSet();
mStateAnimation.playTogether(scaleAnim, toolbarHideAnim);
mStateAnimation.play(scaleAnim).after(startDelay);
// Show the new toolbar buttons just as the main animation is ending
final int fadeInTime = res.getInteger(R.integer.config_toolbarButtonFadeInTime);
mStateAnimation.play(toolbarShowAnim).after(duration + startDelay - fadeInTime);
mStateAnimation.start();
} else {
toView.setTranslationX(0.0f);
toView.setTranslationY(0.0f);
toView.setScaleX(1.0f);
toView.setScaleY(1.0f);
toView.setVisibility(View.VISIBLE);
hideAndShowToolbarButtons(toState, null, null);
}
mWorkspace.setVerticalWallpaperOffset(toAllApps ?
Workspace.WallpaperVerticalOffset.TOP : Workspace.WallpaperVerticalOffset.BOTTOM);
}
/**
* Zoom the camera back into the workspace, hiding 'fromView'.
* This is the opposite of cameraZoomOut.
* @param fromState The current state (must be ALL_APPS or CUSTOMIZE).
* @param animated If true, the transition will be animated.
*/
private void cameraZoomIn(State fromState, boolean animated) {
cameraZoomIn(fromState, animated, false);
}
private void cameraZoomIn(State fromState, boolean animated, boolean springLoaded) {
Resources res = getResources();
final boolean fromAllApps = (fromState == State.ALL_APPS);
int duration = fromAllApps ?
res.getInteger(R.integer.config_allAppsZoomOutTime) :
res.getInteger(R.integer.config_customizeZoomOutTime);
float scaleFactor = fromAllApps ?
(float) res.getInteger(R.integer.config_allAppsZoomScaleFactor) :
(float) res.getInteger(R.integer.config_customizeZoomScaleFactor);
final View fromView = fromAllApps ? (View) mAllAppsGrid : mHomeCustomizationDrawer;
mCustomizePagedView.endChoiceMode();
mAllAppsPagedView.endChoiceMode();
setPivotsForZoom(fromView, fromState, scaleFactor);
if (!springLoaded) {
mWorkspace.unshrink(animated);
}
if (animated) {
if (mStateAnimation != null) mStateAnimation.cancel();
mStateAnimation = new AnimatorSet();
ValueAnimator scaleAnim = ObjectAnimator.ofPropertyValuesHolder(fromView,
PropertyValuesHolder.ofFloat("scaleX", scaleFactor),
PropertyValuesHolder.ofFloat("scaleY", scaleFactor));
scaleAnim.setDuration(duration);
scaleAnim.setInterpolator(new Workspace.ZoomInInterpolator());
ValueAnimator alphaAnim = ObjectAnimator.ofPropertyValuesHolder(fromView,
PropertyValuesHolder.ofFloat("alpha", 1.0f, 0.0f));
alphaAnim.setDuration(res.getInteger(R.integer.config_allAppsFadeOutTime));
alphaAnim.setInterpolator(new DecelerateInterpolator(1.5f));
alphaAnim.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
fromView.setVisibility(View.GONE);
}
});
AnimatorSet toolbarHideAnim = new AnimatorSet();
AnimatorSet toolbarShowAnim = new AnimatorSet();
if (!springLoaded) {
hideAndShowToolbarButtons(State.WORKSPACE, toolbarShowAnim, toolbarHideAnim);
}
mStateAnimation.playTogether(scaleAnim, toolbarHideAnim, alphaAnim);
// Show the new toolbar buttons at the very end of the whole animation
final int fadeInTime = res.getInteger(R.integer.config_toolbarButtonFadeInTime);
final int unshrinkTime = res.getInteger(R.integer.config_workspaceUnshrinkTime);
mStateAnimation.play(toolbarShowAnim).after(unshrinkTime - fadeInTime);
mStateAnimation.start();
} else {
fromView.setVisibility(View.GONE);
if (!springLoaded) {
hideAndShowToolbarButtons(State.WORKSPACE, null, null);
}
}
mWorkspace.setVerticalWallpaperOffset(Workspace.WallpaperVerticalOffset.MIDDLE);
}
/**
* Pan the camera in the vertical plane between 'fromView' and 'toView'.
* This is the transition used on xlarge screens to go between all apps and
* the home customization drawer.
* @param fromState The view to pan away from. Must be ALL_APPS or CUSTOMIZE.
* @param toState The view to pan into the frame. Must be ALL_APPS or CUSTOMIZE.
* @param animated If true, the transition will be animated.
*/
private void cameraPan(State fromState, State toState, boolean animated) {
final Resources res = getResources();
final int duration = res.getInteger(R.integer.config_allAppsCameraPanTime);
final int workspaceHeight = mWorkspace.getHeight();
final boolean fromAllApps = (fromState == State.ALL_APPS);
final View fromView = fromAllApps ? (View) mAllAppsGrid : mHomeCustomizationDrawer;
final View toView = fromAllApps ? mHomeCustomizationDrawer : (View) mAllAppsGrid;
final float fromViewStartY = fromAllApps ? 0.0f : fromView.getY();
final float fromViewEndY = fromAllApps ? -fromView.getHeight() * 2 : workspaceHeight * 2;
final float toViewStartY = fromAllApps ? workspaceHeight * 2 : -toView.getHeight() * 2;
final float toViewEndY = fromAllApps ? workspaceHeight - toView.getHeight() : 0.0f;
mCustomizePagedView.endChoiceMode();
mAllAppsPagedView.endChoiceMode();
if (toState == State.ALL_APPS) {
mWorkspace.shrink(Workspace.ShrinkState.BOTTOM_HIDDEN, animated);
} else {
mWorkspace.shrink(Workspace.ShrinkState.TOP, animated);
}
if (animated) {
if (mStateAnimation != null) mStateAnimation.cancel();
mStateAnimation = new AnimatorSet();
mStateAnimation.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
toView.setVisibility(View.VISIBLE);
toView.setY(toViewStartY);
toView.setAlpha(1.0f);
}
@Override
public void onAnimationEnd(Animator animation) {
fromView.setVisibility(View.GONE);
}
});
AnimatorSet toolbarHideAnim = new AnimatorSet();
AnimatorSet toolbarShowAnim = new AnimatorSet();
hideAndShowToolbarButtons(toState, toolbarShowAnim, toolbarHideAnim);
ObjectAnimator fromAnim = ObjectAnimator.ofFloat(fromView, "y",
fromViewStartY, fromViewEndY);
fromAnim.setDuration(duration);
ObjectAnimator toAnim = ObjectAnimator.ofPropertyValuesHolder(toView,
PropertyValuesHolder.ofFloat("y", toViewStartY, toViewEndY),
PropertyValuesHolder.ofFloat("scaleX", toView.getScaleX(), 1.0f),
PropertyValuesHolder.ofFloat("scaleY", toView.getScaleY(), 1.0f)
);
fromAnim.setDuration(duration);
mStateAnimation.playTogether(toolbarHideAnim, fromAnim, toAnim);
// Show the new toolbar buttons just as the main animation is ending
final int fadeInTime = res.getInteger(R.integer.config_toolbarButtonFadeInTime);
mStateAnimation.play(toolbarShowAnim).after(duration - fadeInTime);
mStateAnimation.start();
} else {
fromView.setY(fromViewEndY);
fromView.setVisibility(View.GONE);
toView.setY(toViewEndY);
toView.setScaleX(1.0f);
toView.setScaleY(1.0f);
toView.setVisibility(View.VISIBLE);
hideAndShowToolbarButtons(toState, null, null);
}
mWorkspace.setVerticalWallpaperOffset((toState == State.ALL_APPS) ?
Workspace.WallpaperVerticalOffset.TOP : Workspace.WallpaperVerticalOffset.BOTTOM);
}
void showAllApps(boolean animated) {
if (mState == State.ALL_APPS) {
return;
}
if (LauncherApplication.isScreenXLarge()) {
if (mState == State.CUSTOMIZE) {
cameraPan(State.CUSTOMIZE, State.ALL_APPS, animated);
} else {
cameraZoomOut(State.ALL_APPS, animated);
}
} else {
mAllAppsGrid.zoom(1.0f, animated);
}
((View) mAllAppsGrid).setFocusable(true);
((View) mAllAppsGrid).requestFocus();
// TODO: fade these two too
mDeleteZone.setVisibility(View.GONE);
// Change the state *after* we've called all the transition code
mState = State.ALL_APPS;
// send an accessibility event to announce the context change
getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
}
void showWorkspace(boolean animated) {
showWorkspace(animated, null);
}
void showWorkspace(boolean animated, CellLayout layout) {
if (layout != null) {
// always animated, but that's ok since we never specify a layout and
// want no animation
mWorkspace.unshrink(layout);
} else {
mWorkspace.unshrink(animated);
}
if (mState == State.ALL_APPS) {
closeAllApps(animated);
} else if (mState == State.CUSTOMIZE) {
hideCustomizationDrawer(animated);
}
// Change the state *after* we've called all the transition code
mState = State.WORKSPACE;
// send an accessibility event to announce the context change
getWindow().getDecorView().sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SELECTED);
}
void enterSpringLoadedDragMode(CellLayout layout) {
mWorkspace.enterSpringLoadedDragMode(layout);
if (mState == State.ALL_APPS) {
cameraZoomIn(State.ALL_APPS, true, true);
mState = State.ALL_APPS_SPRING_LOADED;
} else if (mState == State.CUSTOMIZE) {
cameraZoomIn(State.CUSTOMIZE, true, true);
mState = State.CUSTOMIZE_SPRING_LOADED;
}/* else {
// we're already in spring loaded mode; don't do anything
}*/
}
void exitSpringLoadedDragMode() {
if (mState == State.ALL_APPS_SPRING_LOADED) {
mWorkspace.exitSpringLoadedDragMode(Workspace.ShrinkState.BOTTOM_VISIBLE);
cameraZoomOut(State.ALL_APPS, true);
mState = State.ALL_APPS;
} else if (mState == State.CUSTOMIZE_SPRING_LOADED) {
mWorkspace.exitSpringLoadedDragMode(Workspace.ShrinkState.TOP);
cameraZoomOut(State.CUSTOMIZE, true);
mState = State.CUSTOMIZE;
}/* else {
// we're not in spring loaded mode; don't do anything
}*/
}
/**
* Things to test when changing this code.
* - Home from workspace
* - from center screen
* - from other screens
* - Home from all apps
* - from center screen
* - from other screens
* - Back from all apps
* - from center screen
* - from other screens
* - Launch app from workspace and quit
* - with back
* - with home
* - Launch app from all apps and quit
* - with back
* - with home
* - Go to a screen that's not the default, then all
* apps, and launch and app, and go back
* - with back
* -with home
* - On workspace, long press power and go back
* - with back
* - with home
* - On all apps, long press power and go back
* - with back
* - with home
* - On workspace, power off
* - On all apps, power off
* - Launch an app and turn off the screen while in that app
* - Go back with home key
* - Go back with back key TODO: make this not go to workspace
* - From all apps
* - From workspace
* - Enter and exit car mode (becuase it causes an extra configuration changed)
* - From all apps
* - From the center workspace
* - From another workspace
*/
void closeAllApps(boolean animated) {
if (mState == State.ALL_APPS || mState == State.ALL_APPS_SPRING_LOADED) {
mWorkspace.setVisibility(View.VISIBLE);
if (LauncherApplication.isScreenXLarge()) {
cameraZoomIn(State.ALL_APPS, animated);
} else {
mAllAppsGrid.zoom(0.0f, animated);
}
((View)mAllAppsGrid).setFocusable(false);
mWorkspace.getChildAt(mWorkspace.getCurrentPage()).requestFocus();
}
}
void lockAllApps() {
// TODO
}
void unlockAllApps() {
// TODO
}
// Show the customization drawer (only exists in x-large configuration)
private void showCustomizationDrawer(boolean animated) {
if (mState == State.ALL_APPS) {
cameraPan(State.ALL_APPS, State.CUSTOMIZE, animated);
} else {
cameraZoomOut(State.CUSTOMIZE, animated);
}
// Change the state *after* we've called all the transition code
mState = State.CUSTOMIZE;
}
// Hide the customization drawer (only exists in x-large configuration)
void hideCustomizationDrawer(boolean animated) {
if (mState == State.CUSTOMIZE || mState == State.CUSTOMIZE_SPRING_LOADED) {
cameraZoomIn(State.CUSTOMIZE, animated);
}
}
void addExternalItemToScreen(ItemInfo itemInfo, CellLayout layout) {
if (!mWorkspace.addExternalItemToScreen(itemInfo, layout)) {
showOutOfSpaceMessage();
}
}
void onWorkspaceClick(CellLayout layout) {
showWorkspace(true, layout);
}
// if successful in getting icon, return it; otherwise, set button to use default drawable
private Drawable.ConstantState updateButtonWithIconFromExternalActivity(
int buttonId, ComponentName activityName, int fallbackDrawableId) {
ImageView button = (ImageView) findViewById(buttonId);
Drawable toolbarIcon = null;
try {
PackageManager packageManager = getPackageManager();
// Look for the toolbar icon specified in the activity meta-data
Bundle metaData = packageManager.getActivityInfo(
activityName, PackageManager.GET_META_DATA).metaData;
if (metaData != null) {
int iconResId = metaData.getInt(TOOLBAR_ICON_METADATA_NAME);
if (iconResId != 0) {
Resources res = packageManager.getResourcesForActivity(activityName);
toolbarIcon = res.getDrawable(iconResId);
}
}
} catch (NameNotFoundException e) {
// Do nothing
}
// If we were unable to find the icon via the meta-data, use a generic one
if (toolbarIcon == null) {
button.setImageResource(fallbackDrawableId);
return null;
} else {
button.setImageDrawable(toolbarIcon);
return toolbarIcon.getConstantState();
}
}
private void updateButtonWithDrawable(int buttonId, Drawable.ConstantState d) {
ImageView button = (ImageView) findViewById(buttonId);
button.setImageDrawable(d.newDrawable(getResources()));
}
private void updateGlobalSearchIcon() {
if (LauncherApplication.isScreenXLarge()) {
final SearchManager searchManager =
(SearchManager) getSystemService(Context.SEARCH_SERVICE);
ComponentName activityName = searchManager.getGlobalSearchActivity();
if (activityName != null) {
sGlobalSearchIcon = updateButtonWithIconFromExternalActivity(
R.id.search_button, activityName, R.drawable.search_button_generic);
} else {
findViewById(R.id.search_button).setVisibility(View.GONE);
}
}
}
private void updateGlobalSearchIcon(Drawable.ConstantState d) {
updateButtonWithDrawable(R.id.search_button, d);
}
private void updateVoiceSearchIcon() {
if (LauncherApplication.isScreenXLarge()) {
Intent intent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
ComponentName activityName = intent.resolveActivity(getPackageManager());
if (activityName != null) {
sVoiceSearchIcon = updateButtonWithIconFromExternalActivity(
R.id.voice_button, activityName, R.drawable.ic_voice_search);
} else {
findViewById(R.id.voice_button).setVisibility(View.GONE);
}
}
}
private void updateVoiceSearchIcon(Drawable.ConstantState d) {
updateButtonWithDrawable(R.id.voice_button, d);
}
/**
* Sets the app market icon (shown when all apps is visible on x-large screens)
*/
private void updateAppMarketIcon() {
if (LauncherApplication.isScreenXLarge()) {
Intent intent = new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_APP_MARKET);
// Find the app market activity by resolving an intent.
// (If multiple app markets are installed, it will return the ResolverActivity.)
ComponentName activityName = intent.resolveActivity(getPackageManager());
if (activityName != null) {
mAppMarketIntent = intent;
sAppMarketIcon = updateButtonWithIconFromExternalActivity(
R.id.market_button, activityName, R.drawable.app_market_generic);
}
}
}
private void updateAppMarketIcon(Drawable.ConstantState d) {
updateButtonWithDrawable(R.id.market_button, d);
}
/**
* Displays the shortcut creation dialog and launches, if necessary, the
* appropriate activity.
*/
private class CreateShortcut implements DialogInterface.OnClickListener,
DialogInterface.OnCancelListener, DialogInterface.OnDismissListener,
DialogInterface.OnShowListener {
private AddAdapter mAdapter;
Dialog createDialog() {
mAdapter = new AddAdapter(Launcher.this);
final AlertDialog.Builder builder = new AlertDialog.Builder(Launcher.this);
builder.setTitle(getString(R.string.menu_item_add_item));
builder.setAdapter(mAdapter, this);
builder.setInverseBackgroundForced(true);
AlertDialog dialog = builder.create();
dialog.setOnCancelListener(this);
dialog.setOnDismissListener(this);
dialog.setOnShowListener(this);
return dialog;
}
public void onCancel(DialogInterface dialog) {
mWaitingForResult = false;
cleanup();
}
public void onDismiss(DialogInterface dialog) {
}
private void cleanup() {
try {
dismissDialog(DIALOG_CREATE_SHORTCUT);
} catch (Exception e) {
// An exception is thrown if the dialog is not visible, which is fine
}
}
/**
* Handle the action clicked in the "Add to home" dialog.
*/
public void onClick(DialogInterface dialog, int which) {
Resources res = getResources();
cleanup();
switch (which) {
case AddAdapter.ITEM_SHORTCUT: {
pickShortcut();
break;
}
case AddAdapter.ITEM_APPWIDGET: {
int appWidgetId = Launcher.this.mAppWidgetHost.allocateAppWidgetId();
Intent pickIntent = new Intent(AppWidgetManager.ACTION_APPWIDGET_PICK);
pickIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
// start the pick activity
startActivityForResult(pickIntent, REQUEST_PICK_APPWIDGET);
break;
}
case AddAdapter.ITEM_LIVE_FOLDER: {
// Insert extra item to handle inserting folder
Bundle bundle = new Bundle();
ArrayList<String> shortcutNames = new ArrayList<String>();
shortcutNames.add(res.getString(R.string.group_folder));
bundle.putStringArrayList(Intent.EXTRA_SHORTCUT_NAME, shortcutNames);
ArrayList<ShortcutIconResource> shortcutIcons =
new ArrayList<ShortcutIconResource>();
shortcutIcons.add(ShortcutIconResource.fromContext(Launcher.this,
R.drawable.ic_launcher_folder));
bundle.putParcelableArrayList(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, shortcutIcons);
Intent pickIntent = new Intent(Intent.ACTION_PICK_ACTIVITY);
pickIntent.putExtra(Intent.EXTRA_INTENT,
new Intent(LiveFolders.ACTION_CREATE_LIVE_FOLDER));
pickIntent.putExtra(Intent.EXTRA_TITLE,
getText(R.string.title_select_live_folder));
pickIntent.putExtras(bundle);
startActivityForResult(pickIntent, REQUEST_PICK_LIVE_FOLDER);
break;
}
case AddAdapter.ITEM_WALLPAPER: {
startWallpaper();
break;
}
}
}
public void onShow(DialogInterface dialog) {
mWaitingForResult = true;
}
}
/**
* Receives notifications when applications are added/removed.
*/
private class CloseSystemDialogsIntentReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
closeSystemDialogs();
String reason = intent.getStringExtra("reason");
if (!"homekey".equals(reason)) {
boolean animate = true;
if (mPaused || "lock".equals(reason)) {
animate = false;
}
showWorkspace(animate);
}
}
}
/**
* Receives notifications whenever the appwidgets are reset.
*/
private class AppWidgetResetObserver extends ContentObserver {
public AppWidgetResetObserver() {
super(new Handler());
}
@Override
public void onChange(boolean selfChange) {
onAppWidgetReset();
}
}
/**
* If the activity is currently paused, signal that we need to re-run the loader
* in onResume.
*
* This needs to be called from incoming places where resources might have been loaded
* while we are paused. That is becaues the Configuration might be wrong
* when we're not running, and if it comes back to what it was when we
* were paused, we are not restarted.
*
* Implementation of the method from LauncherModel.Callbacks.
*
* @return true if we are currently paused. The caller might be able to
* skip some work in that case since we will come back again.
*/
public boolean setLoadOnResume() {
if (mPaused) {
Log.i(TAG, "setLoadOnResume");
mOnResumeNeedsLoad = true;
return true;
} else {
return false;
}
}
/**
* Implementation of the method from LauncherModel.Callbacks.
*/
public int getCurrentWorkspaceScreen() {
if (mWorkspace != null) {
return mWorkspace.getCurrentPage();
} else {
return SCREEN_COUNT / 2;
}
}
void setAllAppsPagedView(AllAppsPagedView view) {
mAllAppsPagedView = view;
}
/**
* Refreshes the shortcuts shown on the workspace.
*
* Implementation of the method from LauncherModel.Callbacks.
*/
public void startBinding() {
final Workspace workspace = mWorkspace;
int count = workspace.getChildCount();
for (int i = 0; i < count; i++) {
// Use removeAllViewsInLayout() to avoid an extra requestLayout() and invalidate().
((ViewGroup) workspace.getChildAt(i)).removeAllViewsInLayout();
}
if (DEBUG_USER_INTERFACE) {
android.widget.Button finishButton = new android.widget.Button(this);
finishButton.setText("Finish");
workspace.addInScreen(finishButton, 1, 0, 0, 1, 1);
finishButton.setOnClickListener(new android.widget.Button.OnClickListener() {
public void onClick(View v) {
finish();
}
});
}
}
/**
* Bind the items start-end from the list.
*
* Implementation of the method from LauncherModel.Callbacks.
*/
public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end) {
setLoadOnResume();
final Workspace workspace = mWorkspace;
for (int i=start; i<end; i++) {
final ItemInfo item = shortcuts.get(i);
mDesktopItems.add(item);
switch (item.itemType) {
case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION:
case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT:
final View shortcut = createShortcut((ShortcutInfo)item);
workspace.addInScreen(shortcut, item.screen, item.cellX, item.cellY, 1, 1,
false);
break;
case LauncherSettings.Favorites.ITEM_TYPE_USER_FOLDER:
final FolderIcon newFolder = FolderIcon.fromXml(R.layout.folder_icon, this,
(ViewGroup) workspace.getChildAt(workspace.getCurrentPage()),
(UserFolderInfo) item, mIconCache);
workspace.addInScreen(newFolder, item.screen, item.cellX, item.cellY, 1, 1,
false);
break;
case LauncherSettings.Favorites.ITEM_TYPE_LIVE_FOLDER:
final FolderIcon newLiveFolder = LiveFolderIcon.fromXml(
R.layout.live_folder_icon, this,
(ViewGroup) workspace.getChildAt(workspace.getCurrentPage()),
(LiveFolderInfo) item);
workspace.addInScreen(newLiveFolder, item.screen, item.cellX, item.cellY, 1, 1,
false);
break;
}
}
workspace.requestLayout();
}
/**
* Implementation of the method from LauncherModel.Callbacks.
*/
public void bindFolders(HashMap<Long, FolderInfo> folders) {
setLoadOnResume();
sFolders.clear();
sFolders.putAll(folders);
}
/**
* Add the views for a widget to the workspace.
*
* Implementation of the method from LauncherModel.Callbacks.
*/
public void bindAppWidget(LauncherAppWidgetInfo item) {
setLoadOnResume();
final long start = DEBUG_WIDGETS ? SystemClock.uptimeMillis() : 0;
if (DEBUG_WIDGETS) {
Log.d(TAG, "bindAppWidget: " + item);
}
final Workspace workspace = mWorkspace;
final int appWidgetId = item.appWidgetId;
final AppWidgetProviderInfo appWidgetInfo = mAppWidgetManager.getAppWidgetInfo(appWidgetId);
if (DEBUG_WIDGETS) {
Log.d(TAG, "bindAppWidget: id=" + item.appWidgetId + " belongs to component " + appWidgetInfo.provider);
}
item.hostView = mAppWidgetHost.createView(this, appWidgetId, appWidgetInfo);
item.hostView.setAppWidget(appWidgetId, appWidgetInfo);
item.hostView.setTag(item);
workspace.addInScreen(item.hostView, item.screen, item.cellX,
item.cellY, item.spanX, item.spanY, false);
addWidgetToAutoAdvanceIfNeeded(item.hostView, appWidgetInfo);
workspace.requestLayout();
mDesktopItems.add(item);
if (DEBUG_WIDGETS) {
Log.d(TAG, "bound widget id="+item.appWidgetId+" in "
+ (SystemClock.uptimeMillis()-start) + "ms");
}
}
/**
* Callback saying that there aren't any more items to bind.
*
* Implementation of the method from LauncherModel.Callbacks.
*/
public void finishBindingItems() {
setLoadOnResume();
if (mSavedState != null) {
if (!mWorkspace.hasFocus()) {
mWorkspace.getChildAt(mWorkspace.getCurrentPage()).requestFocus();
}
final long[] userFolders = mSavedState.getLongArray(RUNTIME_STATE_USER_FOLDERS);
if (userFolders != null) {
for (long folderId : userFolders) {
final FolderInfo info = sFolders.get(folderId);
if (info != null) {
openFolder(info);
}
}
final Folder openFolder = mWorkspace.getOpenFolder();
if (openFolder != null) {
openFolder.requestFocus();
}
}
mSavedState = null;
}
if (mSavedInstanceState != null) {
super.onRestoreInstanceState(mSavedInstanceState);
mSavedInstanceState = null;
}
mWorkspaceLoading = false;
}
/**
* Updates the icons on the launcher that are affected by changes to the package list
* on the device.
*/
private void updateIconsAffectedByPackageManagerChanges() {
updateAppMarketIcon();
updateGlobalSearchIcon();
updateVoiceSearchIcon();
}
/**
* Add the icons for all apps.
*
* Implementation of the method from LauncherModel.Callbacks.
*/
public void bindAllApplications(ArrayList<ApplicationInfo> apps) {
mAllAppsGrid.setApps(apps);
if (mCustomizePagedView != null) {
mCustomizePagedView.setApps(apps);
}
updateIconsAffectedByPackageManagerChanges();
}
/**
* A package was installed.
*
* Implementation of the method from LauncherModel.Callbacks.
*/
public void bindAppsAdded(ArrayList<ApplicationInfo> apps) {
setLoadOnResume();
removeDialog(DIALOG_CREATE_SHORTCUT);
mAllAppsGrid.addApps(apps);
if (mCustomizePagedView != null) {
mCustomizePagedView.addApps(apps);
}
updateIconsAffectedByPackageManagerChanges();
}
/**
* A package was updated.
*
* Implementation of the method from LauncherModel.Callbacks.
*/
public void bindAppsUpdated(ArrayList<ApplicationInfo> apps) {
setLoadOnResume();
removeDialog(DIALOG_CREATE_SHORTCUT);
mWorkspace.updateShortcuts(apps);
mAllAppsGrid.updateApps(apps);
if (mCustomizePagedView != null) {
mCustomizePagedView.updateApps(apps);
}
updateIconsAffectedByPackageManagerChanges();
}
/**
* A package was uninstalled.
*
* Implementation of the method from LauncherModel.Callbacks.
*/
public void bindAppsRemoved(ArrayList<ApplicationInfo> apps, boolean permanent) {
removeDialog(DIALOG_CREATE_SHORTCUT);
if (permanent) {
mWorkspace.removeItems(apps);
}
mAllAppsGrid.removeApps(apps);
if (mCustomizePagedView != null) {
mCustomizePagedView.removeApps(apps);
}
updateIconsAffectedByPackageManagerChanges();
}
/**
* A number of packages were updated.
*/
public void bindPackagesUpdated() {
// update the customization drawer contents
if (mCustomizePagedView != null) {
mCustomizePagedView.update();
}
}
/**
* Prints out out state for debugging.
*/
public void dumpState() {
Log.d(TAG, "BEGIN launcher2 dump state for launcher " + this);
Log.d(TAG, "mSavedState=" + mSavedState);
Log.d(TAG, "mWorkspaceLoading=" + mWorkspaceLoading);
Log.d(TAG, "mRestoring=" + mRestoring);
Log.d(TAG, "mWaitingForResult=" + mWaitingForResult);
Log.d(TAG, "mSavedInstanceState=" + mSavedInstanceState);
Log.d(TAG, "mDesktopItems.size=" + mDesktopItems.size());
Log.d(TAG, "sFolders.size=" + sFolders.size());
mModel.dumpState();
mAllAppsGrid.dumpState();
Log.d(TAG, "END launcher2 dump state");
}
}