/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3;
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import android.app.ActivityOptions;
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import android.content.ActivityNotFoundException;
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import android.content.Intent;
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import android.content.res.Configuration;
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import android.graphics.Rect;
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import android.os.Bundle;
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import android.os.Process;
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import android.os.StrictMode;
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import android.os.UserHandle;
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import android.util.Log;
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import android.view.ActionMode;
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import android.view.View;
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import android.widget.Toast;
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import com.android.launcher3.LauncherSettings.Favorites;
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import com.android.launcher3.compat.LauncherAppsCompat;
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import com.android.launcher3.model.AppLaunchTracker;
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import com.android.launcher3.shortcuts.DeepShortcutManager;
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import com.android.launcher3.testing.TestProtocol;
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import com.android.launcher3.uioverrides.DisplayRotationListener;
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import com.android.launcher3.uioverrides.WallpaperColorInfo;
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import com.android.launcher3.util.Themes;
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import androidx.annotation.Nullable;
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/**
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* Extension of BaseActivity allowing support for drag-n-drop
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*/
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public abstract class BaseDraggingActivity extends BaseActivity
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implements WallpaperColorInfo.OnChangeListener {
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private static final String TAG = "BaseDraggingActivity";
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// When starting an action mode, setting this tag will cause the action mode to be cancelled
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// automatically when user interacts with the launcher.
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public static final Object AUTO_CANCEL_ACTION_MODE = new Object();
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private ActionMode mCurrentActionMode;
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protected boolean mIsSafeModeEnabled;
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private OnStartCallback mOnStartCallback;
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private int mThemeRes = R.style.AppTheme;
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private DisplayRotationListener mRotationListener;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mIsSafeModeEnabled = getPackageManager().isSafeMode();
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mRotationListener = new DisplayRotationListener(this, this::onDeviceRotationChanged);
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// Update theme
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WallpaperColorInfo wallpaperColorInfo = WallpaperColorInfo.getInstance(this);
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wallpaperColorInfo.addOnChangeListener(this);
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int themeRes = Themes.getActivityThemeRes(this);
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if (themeRes != mThemeRes) {
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mThemeRes = themeRes;
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setTheme(themeRes);
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}
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}
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@Override
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public void onExtractedColorsChanged(WallpaperColorInfo wallpaperColorInfo) {
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updateTheme();
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}
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@Override
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public void onConfigurationChanged(Configuration newConfig) {
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super.onConfigurationChanged(newConfig);
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updateTheme();
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}
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private void updateTheme() {
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if (mThemeRes != Themes.getActivityThemeRes(this)) {
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recreate();
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}
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}
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@Override
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public void onActionModeStarted(ActionMode mode) {
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super.onActionModeStarted(mode);
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mCurrentActionMode = mode;
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}
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@Override
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public void onActionModeFinished(ActionMode mode) {
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super.onActionModeFinished(mode);
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mCurrentActionMode = null;
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}
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@Override
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public boolean finishAutoCancelActionMode() {
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if (mCurrentActionMode != null && AUTO_CANCEL_ACTION_MODE == mCurrentActionMode.getTag()) {
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mCurrentActionMode.finish();
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return true;
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}
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return false;
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}
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public abstract <T extends View> T getOverviewPanel();
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public abstract View getRootView();
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public Rect getViewBounds(View v) {
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int[] pos = new int[2];
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v.getLocationOnScreen(pos);
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return new Rect(pos[0], pos[1], pos[0] + v.getWidth(), pos[1] + v.getHeight());
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}
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public final Bundle getActivityLaunchOptionsAsBundle(View v) {
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ActivityOptions activityOptions = getActivityLaunchOptions(v);
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return activityOptions == null ? null : activityOptions.toBundle();
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}
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public abstract ActivityOptions getActivityLaunchOptions(View v);
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public boolean startActivitySafely(View v, Intent intent, @Nullable ItemInfo item,
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@Nullable String sourceContainer) {
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if (TestProtocol.sDebugTracing) {
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android.util.Log.d(TestProtocol.NO_START_TAG,
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"startActivitySafely 1");
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}
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if (mIsSafeModeEnabled && !Utilities.isSystemApp(this, intent)) {
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Toast.makeText(this, R.string.safemode_shortcut_error, Toast.LENGTH_SHORT).show();
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return false;
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}
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Bundle optsBundle = (v != null) ? getActivityLaunchOptionsAsBundle(v) : null;
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UserHandle user = item == null ? null : item.user;
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// Prepare intent
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intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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if (v != null) {
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intent.setSourceBounds(getViewBounds(v));
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}
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try {
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boolean isShortcut = (item instanceof WorkspaceItemInfo)
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&& (item.itemType == Favorites.ITEM_TYPE_SHORTCUT
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|| item.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT)
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&& !((WorkspaceItemInfo) item).isPromise();
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if (isShortcut) {
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// Shortcuts need some special checks due to legacy reasons.
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startShortcutIntentSafely(intent, optsBundle, item, sourceContainer);
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} else if (user == null || user.equals(Process.myUserHandle())) {
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// Could be launching some bookkeeping activity
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if (TestProtocol.sDebugTracing) {
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android.util.Log.d(TestProtocol.NO_START_TAG,
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"startActivitySafely 2");
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}
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startActivity(intent, optsBundle);
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AppLaunchTracker.INSTANCE.get(this).onStartApp(intent.getComponent(),
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Process.myUserHandle(), sourceContainer);
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} else {
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LauncherAppsCompat.getInstance(this).startActivityForProfile(
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intent.getComponent(), user, intent.getSourceBounds(), optsBundle);
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AppLaunchTracker.INSTANCE.get(this).onStartApp(intent.getComponent(), user,
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sourceContainer);
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}
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getUserEventDispatcher().logAppLaunch(v, intent);
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getStatsLogManager().logAppLaunch(v, intent);
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return true;
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} catch (ActivityNotFoundException|SecurityException e) {
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Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
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Log.e(TAG, "Unable to launch. tag=" + item + " intent=" + intent, e);
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}
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return false;
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}
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private void startShortcutIntentSafely(Intent intent, Bundle optsBundle, ItemInfo info,
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@Nullable String sourceContainer) {
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try {
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StrictMode.VmPolicy oldPolicy = StrictMode.getVmPolicy();
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try {
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// Temporarily disable deathPenalty on all default checks. For eg, shortcuts
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// containing file Uri's would cause a crash as penaltyDeathOnFileUriExposure
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// is enabled by default on NYC.
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StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder().detectAll()
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.penaltyLog().build());
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if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {
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String id = ((WorkspaceItemInfo) info).getDeepShortcutId();
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String packageName = intent.getPackage();
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DeepShortcutManager.getInstance(this).startShortcut(
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packageName, id, intent.getSourceBounds(), optsBundle, info.user);
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AppLaunchTracker.INSTANCE.get(this).onStartShortcut(packageName, id, info.user,
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sourceContainer);
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} else {
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// Could be launching some bookkeeping activity
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startActivity(intent, optsBundle);
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}
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} finally {
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StrictMode.setVmPolicy(oldPolicy);
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}
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} catch (SecurityException e) {
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if (!onErrorStartingShortcut(intent, info)) {
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throw e;
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}
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}
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}
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protected boolean onErrorStartingShortcut(Intent intent, ItemInfo info) {
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return false;
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}
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@Override
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protected void onStart() {
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super.onStart();
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if (mOnStartCallback != null) {
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mOnStartCallback.onActivityStart(this);
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mOnStartCallback = null;
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}
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}
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@Override
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protected void onDestroy() {
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super.onDestroy();
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WallpaperColorInfo.getInstance(this).removeOnChangeListener(this);
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mRotationListener.disable();
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}
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public <T extends BaseDraggingActivity> void setOnStartCallback(OnStartCallback<T> callback) {
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mOnStartCallback = callback;
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}
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protected void onDeviceProfileInitiated() {
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if (mDeviceProfile.isVerticalBarLayout()) {
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mRotationListener.enable();
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mDeviceProfile.updateIsSeascape(getWindowManager());
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} else {
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mRotationListener.disable();
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}
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}
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private void onDeviceRotationChanged() {
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if (mDeviceProfile.updateIsSeascape(getWindowManager())) {
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reapplyUi();
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}
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}
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protected abstract void reapplyUi();
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/**
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* Callback for listening for onStart
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*/
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public interface OnStartCallback<T extends BaseDraggingActivity> {
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void onActivityStart(T activity);
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}
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}
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