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Commit bde3c8b6 authored by Brian Isganitis's avatar Brian Isganitis
Browse files

Move activity starting logic into new ActivityContext extension. 

This code branch is needed for taskbar, so needs to be moved from the
activity classes to an interface that both can share.

Test: Manual
Bug: 216683257
Change-Id: I042c0dcf08207d94847b9d7a1783acc14613ef5f
parent 763fd21b

src/com/android/launcher3/BaseActivity.java

+2 −24
Original line number Diff line number Diff line
@@ -16,7 +16,6 @@ 


package com.android.launcher3;



import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_WIDGETS;

import static com.android.launcher3.util.SystemUiController.UI_STATE_FULLSCREEN_TASK;



import static java.lang.annotation.RetentionPolicy.SOURCE;
@@ -25,12 +24,7 @@ import android.app.Activity; 
import android.content.Context;

import android.content.ContextWrapper;

import android.content.Intent;

import android.content.pm.LauncherApps;

import android.content.res.Configuration;

import android.graphics.Rect;

import android.os.Bundle;

import android.os.UserHandle;

import android.util.Log;



import androidx.annotation.IntDef;
@@ -39,7 +33,7 @@ import com.android.launcher3.DeviceProfile.OnDeviceProfileChangeListener; 
import com.android.launcher3.logging.StatsLogManager;

import com.android.launcher3.util.SystemUiController;

import com.android.launcher3.util.ViewCache;

import com.android.launcher3.views.ActivityContext;

import com.android.launcher3.views.AppLauncher;

import com.android.launcher3.views.ScrimView;



import java.io.PrintWriter;
@@ -50,7 +44,7 @@ import java.util.List; 
/**

 * Launcher BaseActivity

 */

public abstract class BaseActivity extends Activity implements ActivityContext,

public abstract class BaseActivity extends Activity implements AppLauncher,

        DeviceProfileListenable {



    private static final String TAG = "BaseActivity";
@@ -314,22 +308,6 @@ public abstract class BaseActivity extends Activity implements ActivityContext, 
        writer.println(prefix + "mForceInvisible: " + mForceInvisible);

    }



    /**

     * A wrapper around the platform method with Launcher specific checks

     */

    public void startShortcut(String packageName, String id, Rect sourceBounds,

            Bundle startActivityOptions, UserHandle user) {

        if (GO_DISABLE_WIDGETS) {

            return;

        }

        try {

            getSystemService(LauncherApps.class).startShortcut(packageName, id, sourceBounds,

                    startActivityOptions, user);

        } catch (SecurityException | IllegalStateException e) {

            Log.e(TAG, "Failed to start shortcut", e);

        }

    }



    public static <T extends BaseActivity> T fromContext(Context context) {

        if (context instanceof BaseActivity) {

            return (T) context;

src/com/android/launcher3/BaseDraggingActivity.java

+9 −121
Original line number Diff line number Diff line
@@ -16,50 +16,33 @@ 


package com.android.launcher3;



import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_APP_LAUNCH_TAP;

import static com.android.launcher3.util.DisplayController.CHANGE_ROTATION;

import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;



import android.app.ActivityOptions;

import android.app.WallpaperColors;

import android.app.WallpaperManager;

import android.app.WallpaperManager.OnColorsChangedListener;

import android.content.ActivityNotFoundException;

import android.content.Context;

import android.content.Intent;

import android.content.pm.LauncherApps;

import android.content.res.Configuration;

import android.graphics.Point;

import android.graphics.Rect;

import android.graphics.drawable.Drawable;

import android.os.Bundle;

import android.os.Process;

import android.os.StrictMode;

import android.os.UserHandle;

import android.util.Log;

import android.view.ActionMode;

import android.view.Display;

import android.view.View;

import android.widget.Toast;



import androidx.annotation.NonNull;

import androidx.annotation.Nullable;



import com.android.launcher3.LauncherSettings.Favorites;

import com.android.launcher3.allapps.ActivityAllAppsContainerView;

import com.android.launcher3.allapps.search.DefaultSearchAdapterProvider;

import com.android.launcher3.allapps.search.SearchAdapterProvider;

import com.android.launcher3.logging.InstanceId;

import com.android.launcher3.logging.InstanceIdSequence;

import com.android.launcher3.logging.StatsLogManager;

import com.android.launcher3.model.data.ItemInfo;

import com.android.launcher3.model.data.WorkspaceItemInfo;

import com.android.launcher3.touch.ItemClickHandler;

import com.android.launcher3.util.ActivityOptionsWrapper;

import com.android.launcher3.util.DisplayController;

import com.android.launcher3.util.DisplayController.DisplayInfoChangeListener;

import com.android.launcher3.util.DisplayController.Info;

import com.android.launcher3.util.PackageManagerHelper;

import com.android.launcher3.util.RunnableList;

import com.android.launcher3.util.Themes;

import com.android.launcher3.util.TraceHelper;
@@ -162,112 +145,12 @@ public abstract class BaseDraggingActivity extends BaseActivity 
        // no-op

    }



    @Override

    @NonNull

    public ActivityOptionsWrapper getActivityLaunchOptions(View v, @Nullable ItemInfo item) {

        int left = 0, top = 0;

        int width = v.getMeasuredWidth(), height = v.getMeasuredHeight();

        if (v instanceof BubbleTextView) {

            // Launch from center of icon, not entire view

            Drawable icon = ((BubbleTextView) v).getIcon();

            if (icon != null) {

                Rect bounds = icon.getBounds();

                left = (width - bounds.width()) / 2;

                top = v.getPaddingTop();

                width = bounds.width();

                height = bounds.height();

            }

        }

        ActivityOptions options =

                ActivityOptions.makeClipRevealAnimation(v, left, top, width, height);



        options.setLaunchDisplayId(

                (v != null && v.getDisplay() != null) ? v.getDisplay().getDisplayId()

                        : Display.DEFAULT_DISPLAY);

        RunnableList callback = new RunnableList();

        addOnResumeCallback(callback::executeAllAndDestroy);

        return new ActivityOptionsWrapper(options, callback);

    }



    public boolean startActivitySafely(View v, Intent intent, @Nullable ItemInfo item) {

        if (mIsSafeModeEnabled && !PackageManagerHelper.isSystemApp(this, intent)) {

            Toast.makeText(this, R.string.safemode_shortcut_error, Toast.LENGTH_SHORT).show();

            return false;

        }



        Bundle optsBundle = (v != null) ? getActivityLaunchOptions(v, item).toBundle() : null;

        UserHandle user = item == null ? null : item.user;



        // Prepare intent

        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

        if (v != null) {

            intent.setSourceBounds(Utilities.getViewBounds(v));

        }

        try {

            boolean isShortcut = (item instanceof WorkspaceItemInfo)

                    && (item.itemType == Favorites.ITEM_TYPE_SHORTCUT

                    || item.itemType == Favorites.ITEM_TYPE_DEEP_SHORTCUT)

                    && !((WorkspaceItemInfo) item).isPromise();

            if (isShortcut) {

                // Shortcuts need some special checks due to legacy reasons.

                startShortcutIntentSafely(intent, optsBundle, item);

            } else if (user == null || user.equals(Process.myUserHandle())) {

                // Could be launching some bookkeeping activity

                startActivity(intent, optsBundle);

            } else {

                getSystemService(LauncherApps.class).startMainActivity(

                        intent.getComponent(), user, intent.getSourceBounds(), optsBundle);

            }

            if (item != null) {

                InstanceId instanceId = new InstanceIdSequence().newInstanceId();

                logAppLaunch(getStatsLogManager(), item, instanceId);

            }

            return true;

        } catch (NullPointerException | ActivityNotFoundException | SecurityException e) {

            Toast.makeText(this, R.string.activity_not_found, Toast.LENGTH_SHORT).show();

            Log.e(TAG, "Unable to launch. tag=" + item + " intent=" + intent, e);

        }

        return false;

    }



    /**

     * Creates and logs a new app launch event.

     */

    public void logAppLaunch(StatsLogManager statsLogManager, ItemInfo info,

            InstanceId instanceId) {

        statsLogManager.logger().withItemInfo(info).withInstanceId(instanceId)

                .log(LAUNCHER_APP_LAUNCH_TAP);

    }



    private void startShortcutIntentSafely(Intent intent, Bundle optsBundle, ItemInfo info) {

        try {

            StrictMode.VmPolicy oldPolicy = StrictMode.getVmPolicy();

            try {

                // Temporarily disable deathPenalty on all default checks. For eg, shortcuts

                // containing file Uri's would cause a crash as penaltyDeathOnFileUriExposure

                // is enabled by default on NYC.

                StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder().detectAll()

                        .penaltyLog().build());



                if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {

                    String id = ((WorkspaceItemInfo) info).getDeepShortcutId();

                    String packageName = intent.getPackage();

                    startShortcut(packageName, id, intent.getSourceBounds(), optsBundle, info.user);

                } else {

                    // Could be launching some bookkeeping activity

                    startActivity(intent, optsBundle);

                }

            } finally {

                StrictMode.setVmPolicy(oldPolicy);

            }

        } catch (SecurityException e) {

            if (!onErrorStartingShortcut(intent, info)) {

                throw e;

            }

        }

    }



    protected boolean onErrorStartingShortcut(Intent intent, ItemInfo info) {

        return false;

        ActivityOptionsWrapper wrapper = super.getActivityLaunchOptions(v, item);

        addOnResumeCallback(wrapper.onEndCallback::executeAllAndDestroy);

        return wrapper;

    }



    @Override
@@ -337,4 +220,9 @@ public abstract class BaseDraggingActivity extends BaseActivity 
            ActivityAllAppsContainerView<?> allApps) {

        return new DefaultSearchAdapterProvider(this);

    }



    @Override

    public boolean isAppBlockedForSafeMode() {

        return mIsSafeModeEnabled;

    }

}

src/com/android/launcher3/Launcher.java

+1 −1
Original line number Diff line number Diff line
@@ -2065,7 +2065,7 @@ public class Launcher extends StatefulActivity<LauncherState> implements Launche 


    @TargetApi(Build.VERSION_CODES.M)

    @Override

    protected boolean onErrorStartingShortcut(Intent intent, ItemInfo info) {

    public boolean onErrorStartingShortcut(Intent intent, ItemInfo info) {

        // Due to legacy reasons, direct call shortcuts require Launchers to have the

        // corresponding permission. Show the appropriate permission prompt if that

        // is the case.

src/com/android/launcher3/views/AppLauncher.java

0 → 100644
+213 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2022 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.launcher3.views;



import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_APP_LAUNCH_TAP;

import static com.android.launcher3.model.WidgetsModel.GO_DISABLE_WIDGETS;



import android.app.ActivityOptions;

import android.content.ActivityNotFoundException;

import android.content.Context;

import android.content.Intent;

import android.content.pm.LauncherApps;

import android.graphics.Rect;

import android.graphics.drawable.Drawable;

import android.os.Bundle;

import android.os.Process;

import android.os.StrictMode;

import android.os.UserHandle;

import android.util.Log;

import android.view.Display;

import android.view.View;

import android.widget.Toast;



import androidx.annotation.Nullable;



import com.android.launcher3.BubbleTextView;

import com.android.launcher3.LauncherSettings;

import com.android.launcher3.R;

import com.android.launcher3.Utilities;

import com.android.launcher3.logging.InstanceId;

import com.android.launcher3.logging.InstanceIdSequence;

import com.android.launcher3.logging.StatsLogManager;

import com.android.launcher3.model.data.ItemInfo;

import com.android.launcher3.model.data.WorkspaceItemInfo;

import com.android.launcher3.util.ActivityOptionsWrapper;

import com.android.launcher3.util.PackageManagerHelper;

import com.android.launcher3.util.RunnableList;



/** An {@link ActivityContext} that can also launch app activities and shortcuts safely. */

public interface AppLauncher extends ActivityContext {



    String TAG = "AppLauncher";



    /**

     * Safely starts an activity.

     *

     * @param v View starting the activity.

     * @param intent Base intent being launched.

     * @param item Item associated with the view.

     * @return {@code true} if the activity starts successfully.

     */

    default boolean startActivitySafely(

            View v, Intent intent, @Nullable ItemInfo item) {



        Context context = (Context) this;

        if (isAppBlockedForSafeMode() && !PackageManagerHelper.isSystemApp(context, intent)) {

            Toast.makeText(context, R.string.safemode_shortcut_error, Toast.LENGTH_SHORT).show();

            return false;

        }



        Bundle optsBundle = (v != null) ? getActivityLaunchOptions(v, item).toBundle() : null;

        UserHandle user = item == null ? null : item.user;



        // Prepare intent

        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

        if (v != null) {

            intent.setSourceBounds(Utilities.getViewBounds(v));

        }

        try {

            boolean isShortcut = (item instanceof WorkspaceItemInfo)

                    && (item.itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT

                    || item.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT)

                    && !((WorkspaceItemInfo) item).isPromise();

            if (isShortcut) {

                // Shortcuts need some special checks due to legacy reasons.

                startShortcutIntentSafely(intent, optsBundle, item);

            } else if (user == null || user.equals(Process.myUserHandle())) {

                // Could be launching some bookkeeping activity

                context.startActivity(intent, optsBundle);

            } else {

                context.getSystemService(LauncherApps.class).startMainActivity(

                        intent.getComponent(), user, intent.getSourceBounds(), optsBundle);

            }

            if (item != null) {

                InstanceId instanceId = new InstanceIdSequence().newInstanceId();

                logAppLaunch(getStatsLogManager(), item, instanceId);

            }

            return true;

        } catch (NullPointerException | ActivityNotFoundException | SecurityException e) {

            Toast.makeText(context, R.string.activity_not_found, Toast.LENGTH_SHORT).show();

            Log.e(TAG, "Unable to launch. tag=" + item + " intent=" + intent, e);

        }

        return false;

    }



    /** Returns {@code true} if an app launch is blocked due to safe mode. */

    default boolean isAppBlockedForSafeMode() {

        return false;

    }



    /**

     * Creates and logs a new app launch event.

     */

    default void logAppLaunch(StatsLogManager statsLogManager, ItemInfo info,

            InstanceId instanceId) {

        statsLogManager.logger().withItemInfo(info).withInstanceId(instanceId)

                .log(LAUNCHER_APP_LAUNCH_TAP);

    }



    /**

     * Returns launch options for an Activity.

     *

     * @param v View initiating a launch.

     * @param item Item associated with the view.

     */

    default ActivityOptionsWrapper getActivityLaunchOptions(View v, @Nullable ItemInfo item) {

        int left = 0, top = 0;

        int width = v.getMeasuredWidth(), height = v.getMeasuredHeight();

        if (v instanceof BubbleTextView) {

            // Launch from center of icon, not entire view

            Drawable icon = ((BubbleTextView) v).getIcon();

            if (icon != null) {

                Rect bounds = icon.getBounds();

                left = (width - bounds.width()) / 2;

                top = v.getPaddingTop();

                width = bounds.width();

                height = bounds.height();

            }

        }

        ActivityOptions options =

                ActivityOptions.makeClipRevealAnimation(v, left, top, width, height);



        options.setLaunchDisplayId(

                (v != null && v.getDisplay() != null) ? v.getDisplay().getDisplayId()

                        : Display.DEFAULT_DISPLAY);

        RunnableList callback = new RunnableList();

        return new ActivityOptionsWrapper(options, callback);

    }



    /**

     * Safely launches an intent for a shortcut.

     *

     * @param intent Intent to start.

     * @param optsBundle Optional launch arguments.

     * @param info Shortcut information.

     */

    default void startShortcutIntentSafely(Intent intent, Bundle optsBundle, ItemInfo info) {

        try {

            StrictMode.VmPolicy oldPolicy = StrictMode.getVmPolicy();

            try {

                // Temporarily disable deathPenalty on all default checks. For eg, shortcuts

                // containing file Uri's would cause a crash as penaltyDeathOnFileUriExposure

                // is enabled by default on NYC.

                StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder().detectAll()

                        .penaltyLog().build());



                if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) {

                    String id = ((WorkspaceItemInfo) info).getDeepShortcutId();

                    String packageName = intent.getPackage();

                    startShortcut(packageName, id, intent.getSourceBounds(), optsBundle, info.user);

                } else {

                    // Could be launching some bookkeeping activity

                    ((Context) this).startActivity(intent, optsBundle);

                }

            } finally {

                StrictMode.setVmPolicy(oldPolicy);

            }

        } catch (SecurityException e) {

            if (!onErrorStartingShortcut(intent, info)) {

                throw e;

            }

        }

    }



    /**

     * A wrapper around the platform method with Launcher specific checks.

     */

    default void startShortcut(String packageName, String id, Rect sourceBounds,

            Bundle startActivityOptions, UserHandle user) {

        if (GO_DISABLE_WIDGETS) {

            return;

        }

        try {

            ((Context) this).getSystemService(LauncherApps.class).startShortcut(packageName, id,

                    sourceBounds, startActivityOptions, user);

        } catch (SecurityException | IllegalStateException e) {

            Log.e(TAG, "Failed to start shortcut", e);

        }

    }



    /**

     * Invoked when a shortcut fails to launch.

     * @param intent Shortcut intent that failed to start.

     * @param info Shortcut information.

     * @return {@code true} if the error is handled by this callback.

     */

    default boolean onErrorStartingShortcut(Intent intent, ItemInfo info) {

        return false;

    }

}