android_webview/nonembedded/java/src/org/chromium/android_webview/devui/MainActivity.java - chromium/src - Git at Google

 // Copyright 2019 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 package org.chromium.android_webview.devui;

 import android.content.Intent;
 import android.graphics.PorterDuff;
 import android.graphics.PorterDuffColorFilter;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.provider.Settings;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.LinearLayout;
 import android.widget.TextView;

 import androidx.annotation.IntDef;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
 import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.FragmentTransaction;

 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.base.metrics.RecordHistogram;

 import java.util.HashMap;
 import java.util.Map;

 /**
  * Dev UI main activity.
  * It shows persistent errors and helps to navigate to WebView developer tools.
  */
 public class MainActivity extends FragmentActivity {
     private PersistentErrorView mErrorView;
     private WebViewPackageError mDifferentPackageError;
     private boolean mDifferentPackageErrorVisible = false;
     private boolean mSwitchFragmentOnResume;
     final Map<Integer, Integer> mFragmentIdMap = new HashMap<>();

     // Keep in sync with DeveloperUiService.java
     private static final String FRAGMENT_ID_INTENT_EXTRA = "fragment-id";
     private static final int FRAGMENT_ID_HOME = 0;
     private static final int FRAGMENT_ID_CRASHES = 1;
     private static final int FRAGMENT_ID_FLAGS = 2;

     // These values are persisted to logs. Entries should not be renumbered and
     // numeric values should never be reused.
     @IntDef({MenuChoice.SWITCH_PROVIDER, MenuChoice.REPORT_BUG, MenuChoice.CHECK_UPDATES,
             MenuChoice.CRASHES_REFRESH})
     public @interface MenuChoice {
         int SWITCH_PROVIDER = 0;
         int REPORT_BUG = 1;
         int CHECK_UPDATES = 2;
         int CRASHES_REFRESH = 3;
         int COUNT = 4;
     }

     public static void logMenuSelection(@MenuChoice int selectedMenuItem) {
         RecordHistogram.recordEnumeratedHistogram(
                 "Android.WebView.DevUi.MenuSelection", selectedMenuItem, MenuChoice.COUNT);
     }

     // These values are persisted to logs. Entries should not be renumbered and
     // numeric values should never be reused.
     @IntDef({FragmentNavigation.HOME_FRAGMENT, FragmentNavigation.CRASHES_LIST_FRAGMENT,
             FragmentNavigation.FLAGS_FRAGMENT})
     private @interface FragmentNavigation {
         int HOME_FRAGMENT = 0;
         int CRASHES_LIST_FRAGMENT = 1;
         int FLAGS_FRAGMENT = 2;
         int COUNT = 3;
     }

     /**
      * Logs a navigation to a fragment. Requires a suffix from histograms.xml ("AnyMethod",
      * "FromIntent", or "NavBar") to determine which histogram to log.
      *
      * @param histogramSuffix one of the suffixes listed in histograms.xml
      * @param selectedFragmentId one of FRAGMENT_ID_HOME, FRAGMENT_ID_CRASHES, or FRAGMENT_ID_FLAGS
      */
     private static void logFragmentNavigation(String histogramSuffix, int selectedFragmentId) {
         // Map FRAGMENT_ID_* to FragmentNavigation value (so FRAGMENT_ID_* values are permitted to
         // change in the future without messing up logs).
         @FragmentNavigation
         int sample;
         switch (selectedFragmentId) {
             default:
                 // Fall through.
             case FRAGMENT_ID_HOME:
                 sample = FragmentNavigation.HOME_FRAGMENT;
                 break;
             case FRAGMENT_ID_CRASHES:
                 sample = FragmentNavigation.CRASHES_LIST_FRAGMENT;
                 break;
             case FRAGMENT_ID_FLAGS:
                 sample = FragmentNavigation.FLAGS_FRAGMENT;
                 break;
         }
         RecordHistogram.recordEnumeratedHistogram(
                 "Android.WebView.DevUi.FragmentNavigation." + histogramSuffix, sample,
                 FragmentNavigation.COUNT);
     }

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_main);

         // Let onResume handle showing the initial Fragment.
         mSwitchFragmentOnResume = true;

         mErrorView = new PersistentErrorView(this, R.id.main_error_view);
         mDifferentPackageError = new WebViewPackageError(this, mErrorView);

         // Set up bottom navigation bar:
         mFragmentIdMap.put(R.id.navigation_home, FRAGMENT_ID_HOME);
         mFragmentIdMap.put(R.id.navigation_crash_ui, FRAGMENT_ID_CRASHES);
         mFragmentIdMap.put(R.id.navigation_flags_ui, FRAGMENT_ID_FLAGS);
         LinearLayout bottomNavBar = findViewById(R.id.nav_view);
         View.OnClickListener listener = (View view) -> {
             assert mFragmentIdMap.containsKey(view.getId()) : "Unexpected view ID: " + view.getId();
             int fragmentId = mFragmentIdMap.get(view.getId());
             switchFragment(fragmentId);
             logFragmentNavigation("NavBar", fragmentId);
         };
         final int childCount = bottomNavBar.getChildCount();
         for (int i = 0; i < childCount; ++i) {
             View v = bottomNavBar.getChildAt(i);
             v.setOnClickListener(listener);
         }

         FragmentManager fm = getSupportFragmentManager();
         fm.registerFragmentLifecycleCallbacks(
                 new FragmentManager.FragmentLifecycleCallbacks() {
                     @Override
                     public void onFragmentResumed(FragmentManager fm, Fragment f) {
                         if (!mDifferentPackageErrorVisible) {
                             if (f instanceof DevUiBaseFragment) {
                                 ((DevUiBaseFragment) f).maybeShowErrorView(mErrorView);
                             }
                         }
                     }
                 },
                 /* recursive */ false);

         // The boolean value doesn't matter, we only care about the total count.
         RecordHistogram.recordBooleanHistogram("Android.WebView.DevUi.AppLaunch", true);
     }

     private void switchFragment(int chosenFragmentId) {
         DevUiBaseFragment fragment = null;
         switch (chosenFragmentId) {
             default:
                 chosenFragmentId = FRAGMENT_ID_HOME;
                 // Fall through.
             case FRAGMENT_ID_HOME:
                 fragment = new HomeFragment();
                 break;
             case FRAGMENT_ID_CRASHES:
                 fragment = new CrashesListFragment();
                 break;
             case FRAGMENT_ID_FLAGS:
                 fragment = new FlagsFragment();
                 break;
         }
         assert fragment != null;
         logFragmentNavigation("AnyMethod", chosenFragmentId);

         // Switch fragments
         FragmentManager fm = getSupportFragmentManager();
         FragmentTransaction transaction = fm.beginTransaction();
         transaction.replace(R.id.content_fragment, fragment);
         transaction.commit();

         // Update the bottom toolbar
         LinearLayout bottomNavBar = findViewById(R.id.nav_view);
         final int childCount = bottomNavBar.getChildCount();
         for (int i = 0; i < childCount; ++i) {
             View view = bottomNavBar.getChildAt(i);
             assert mFragmentIdMap.containsKey(view.getId()) : "Unexpected view ID: " + view.getId();
             int fragmentId = mFragmentIdMap.get(view.getId());
             assert view instanceof TextView : "Bottom bar must have TextViews as direct children";
             TextView textView = (TextView) view;

             boolean isSelectedFragment = chosenFragmentId == fragmentId;
             ApiCompatibilityUtils.setTextAppearance(textView,
                     isSelectedFragment ? R.style.SelectedNavigationButton
                                        : R.style.UnselectedNavigationButton);
             int color = isSelectedFragment ? getResources().getColor(R.color.navigation_selected)
                                            : getResources().getColor(R.color.navigation_unselected);
             for (Drawable drawable : textView.getCompoundDrawables()) {
                 if (drawable != null) {
                     drawable.mutate();
                     drawable.setColorFilter(
                             new PorterDuffColorFilter(color, PorterDuff.Mode.SRC_IN));
                 }
             }
         }
     }

     @Override
     protected void onNewIntent(Intent intent) {
         // Store the Intent so we can switch Fragments in onResume (which is called next). Only need
         // to switch Fragment if the Intent specifies to do so.
         setIntent(intent);
         mSwitchFragmentOnResume = intent.hasExtra(FRAGMENT_ID_INTENT_EXTRA);
     }

     @Override
     protected void onResume() {
         super.onResume();

         // Check package status in onResume() to hide/show the error message if the user
         // changes WebView implementation from system settings and then returns back to the
         // activity.
         mDifferentPackageErrorVisible = mDifferentPackageError.showMessageIfDifferent();

         // Don't change Fragment unless we have a new Intent, since the user might just be coming
         // back to this through the task switcher.
         if (!mSwitchFragmentOnResume) return;

         // Ensure we only switch the first time we see a new Intent.
         mSwitchFragmentOnResume = false;

         // Default to HomeFragment if not specified.
         int fragmentId = FRAGMENT_ID_HOME;
         // FRAGMENT_ID_INTENT_EXTRA is an optional extra to specify which fragment to open. At the
         // moment, it's specified only by DeveloperUiService (so make sure these constants stay in
         // sync).
         Bundle extras = getIntent().getExtras();
         if (extras != null) {
             fragmentId = extras.getInt(FRAGMENT_ID_INTENT_EXTRA, fragmentId);
         }
         switchFragment(fragmentId);
         logFragmentNavigation("FromIntent", fragmentId);
     }

     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         getMenuInflater().inflate(R.menu.options_menu, menu);
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
             // Switching WebView providers is only possible for API >= 24.
             MenuItem item = menu.findItem(R.id.options_menu_switch_provider);
             item.setVisible(false);
         }
         return true;
     }

     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         if (item.getItemId() == R.id.options_menu_switch_provider
                 && Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
             logMenuSelection(MenuChoice.SWITCH_PROVIDER);
             startActivity(new Intent(Settings.ACTION_WEBVIEW_SETTINGS));
             return true;
         } else if (item.getItemId() == R.id.options_menu_report_bug) {
             logMenuSelection(MenuChoice.REPORT_BUG);
             Uri reportUri = new Uri.Builder()
                                     .scheme("https")
                                     .authority("bugs.chromium.org")
                                     .path("/p/chromium/issues/entry")
                                     .appendQueryParameter("template", "Webview+Bugs")
                                     .appendQueryParameter("labels",
                                             "Via-WebView-DevTools,Pri-3,Type-Bug,OS-Android")
                                     .build();
             startActivity(new Intent(Intent.ACTION_VIEW, reportUri));
             return true;
         } else if (item.getItemId() == R.id.options_menu_check_updates) {
             logMenuSelection(MenuChoice.CHECK_UPDATES);
             try {
                 Uri marketUri = new Uri.Builder()
                                         .scheme("market")
                                         .authority("details")
                                         .appendQueryParameter("id", this.getPackageName())
                                         .build();
                 startActivity(new Intent(Intent.ACTION_VIEW, marketUri));
             } catch (Exception e) {
                 Uri marketUri = new Uri.Builder()
                                         .scheme("https")
                                         .authority("play.google.com")
                                         .path("/store/apps/details")
                                         .appendQueryParameter("id", this.getPackageName())
                                         .build();
                 startActivity(new Intent(Intent.ACTION_VIEW, marketUri));
             }
             return true;
         }
         return super.onOptionsItemSelected(item);
     }
 }
	// Copyright 2019 The Chromium Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.
	package org.chromium.android_webview.devui;

	import android.content.Intent;
	import android.graphics.PorterDuff;
	import android.graphics.PorterDuffColorFilter;
	import android.graphics.drawable.Drawable;
	import android.net.Uri;
	import android.os.Build;
	import android.os.Bundle;
	import android.provider.Settings;
	import android.view.Menu;
	import android.view.MenuItem;
	import android.view.View;
	import android.widget.LinearLayout;
	import android.widget.TextView;

	import androidx.annotation.IntDef;
	import androidx.fragment.app.Fragment;
	import androidx.fragment.app.FragmentActivity;
	import androidx.fragment.app.FragmentManager;
	import androidx.fragment.app.FragmentTransaction;

	import org.chromium.base.ApiCompatibilityUtils;
	import org.chromium.base.metrics.RecordHistogram;

	import java.util.HashMap;
	import java.util.Map;

	/**
	* Dev UI main activity.
	* It shows persistent errors and helps to navigate to WebView developer tools.
	*/
	public class MainActivity extends FragmentActivity {
	private PersistentErrorView mErrorView;
	private WebViewPackageError mDifferentPackageError;
	private boolean mDifferentPackageErrorVisible = false;
	private boolean mSwitchFragmentOnResume;
	final Map<Integer, Integer> mFragmentIdMap = new HashMap<>();

	// Keep in sync with DeveloperUiService.java
	private static final String FRAGMENT_ID_INTENT_EXTRA = "fragment-id";
	private static final int FRAGMENT_ID_HOME = 0;
	private static final int FRAGMENT_ID_CRASHES = 1;
	private static final int FRAGMENT_ID_FLAGS = 2;

	// These values are persisted to logs. Entries should not be renumbered and
	// numeric values should never be reused.
	@IntDef({MenuChoice.SWITCH_PROVIDER, MenuChoice.REPORT_BUG, MenuChoice.CHECK_UPDATES,
	MenuChoice.CRASHES_REFRESH})
	public @interface MenuChoice {
	int SWITCH_PROVIDER = 0;
	int REPORT_BUG = 1;
	int CHECK_UPDATES = 2;
	int CRASHES_REFRESH = 3;
	int COUNT = 4;
	}

	public static void logMenuSelection(@MenuChoice int selectedMenuItem) {
	RecordHistogram.recordEnumeratedHistogram(
	"Android.WebView.DevUi.MenuSelection", selectedMenuItem, MenuChoice.COUNT);
	}

	// These values are persisted to logs. Entries should not be renumbered and
	// numeric values should never be reused.
	@IntDef({FragmentNavigation.HOME_FRAGMENT, FragmentNavigation.CRASHES_LIST_FRAGMENT,
	FragmentNavigation.FLAGS_FRAGMENT})
	private @interface FragmentNavigation {
	int HOME_FRAGMENT = 0;
	int CRASHES_LIST_FRAGMENT = 1;
	int FLAGS_FRAGMENT = 2;
	int COUNT = 3;
	}

	/**
	* Logs a navigation to a fragment. Requires a suffix from histograms.xml ("AnyMethod",
	* "FromIntent", or "NavBar") to determine which histogram to log.
	*
	* @param histogramSuffix one of the suffixes listed in histograms.xml
	* @param selectedFragmentId one of FRAGMENT_ID_HOME, FRAGMENT_ID_CRASHES, or FRAGMENT_ID_FLAGS
	*/
	private static void logFragmentNavigation(String histogramSuffix, int selectedFragmentId) {
	// Map FRAGMENT_ID_* to FragmentNavigation value (so FRAGMENT_ID_* values are permitted to
	// change in the future without messing up logs).
	@FragmentNavigation
	int sample;
	switch (selectedFragmentId) {
	default:
	// Fall through.
	case FRAGMENT_ID_HOME:
	sample = FragmentNavigation.HOME_FRAGMENT;
	break;
	case FRAGMENT_ID_CRASHES:
	sample = FragmentNavigation.CRASHES_LIST_FRAGMENT;
	break;
	case FRAGMENT_ID_FLAGS:
	sample = FragmentNavigation.FLAGS_FRAGMENT;
	break;
	}
	RecordHistogram.recordEnumeratedHistogram(
	"Android.WebView.DevUi.FragmentNavigation." + histogramSuffix, sample,
	FragmentNavigation.COUNT);
	}

	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);

	setContentView(R.layout.activity_main);

	// Let onResume handle showing the initial Fragment.
	mSwitchFragmentOnResume = true;

	mErrorView = new PersistentErrorView(this, R.id.main_error_view);
	mDifferentPackageError = new WebViewPackageError(this, mErrorView);

	// Set up bottom navigation bar:
	mFragmentIdMap.put(R.id.navigation_home, FRAGMENT_ID_HOME);
	mFragmentIdMap.put(R.id.navigation_crash_ui, FRAGMENT_ID_CRASHES);
	mFragmentIdMap.put(R.id.navigation_flags_ui, FRAGMENT_ID_FLAGS);
	LinearLayout bottomNavBar = findViewById(R.id.nav_view);
	View.OnClickListener listener = (View view) -> {
	assert mFragmentIdMap.containsKey(view.getId()) : "Unexpected view ID: " + view.getId();
	int fragmentId = mFragmentIdMap.get(view.getId());
	switchFragment(fragmentId);
	logFragmentNavigation("NavBar", fragmentId);
	};
	final int childCount = bottomNavBar.getChildCount();
	for (int i = 0; i < childCount; ++i) {
	View v = bottomNavBar.getChildAt(i);
	v.setOnClickListener(listener);
	}

	FragmentManager fm = getSupportFragmentManager();
	fm.registerFragmentLifecycleCallbacks(
	new FragmentManager.FragmentLifecycleCallbacks() {
	@Override
	public void onFragmentResumed(FragmentManager fm, Fragment f) {
	if (!mDifferentPackageErrorVisible) {
	if (f instanceof DevUiBaseFragment) {
	((DevUiBaseFragment) f).maybeShowErrorView(mErrorView);
	}
	}
	}
	},
	/* recursive */ false);

	// The boolean value doesn't matter, we only care about the total count.
	RecordHistogram.recordBooleanHistogram("Android.WebView.DevUi.AppLaunch", true);
	}

	private void switchFragment(int chosenFragmentId) {
	DevUiBaseFragment fragment = null;
	switch (chosenFragmentId) {
	default:
	chosenFragmentId = FRAGMENT_ID_HOME;
	// Fall through.
	case FRAGMENT_ID_HOME:
	fragment = new HomeFragment();
	break;
	case FRAGMENT_ID_CRASHES:
	fragment = new CrashesListFragment();
	break;
	case FRAGMENT_ID_FLAGS:
	fragment = new FlagsFragment();
	break;
	}
	assert fragment != null;
	logFragmentNavigation("AnyMethod", chosenFragmentId);

	// Switch fragments
	FragmentManager fm = getSupportFragmentManager();
	FragmentTransaction transaction = fm.beginTransaction();
	transaction.replace(R.id.content_fragment, fragment);
	transaction.commit();

	// Update the bottom toolbar
	LinearLayout bottomNavBar = findViewById(R.id.nav_view);
	final int childCount = bottomNavBar.getChildCount();
	for (int i = 0; i < childCount; ++i) {
	View view = bottomNavBar.getChildAt(i);
	assert mFragmentIdMap.containsKey(view.getId()) : "Unexpected view ID: " + view.getId();
	int fragmentId = mFragmentIdMap.get(view.getId());
	assert view instanceof TextView : "Bottom bar must have TextViews as direct children";
	TextView textView = (TextView) view;

	boolean isSelectedFragment = chosenFragmentId == fragmentId;
	ApiCompatibilityUtils.setTextAppearance(textView,
	isSelectedFragment ? R.style.SelectedNavigationButton
	: R.style.UnselectedNavigationButton);
	int color = isSelectedFragment ? getResources().getColor(R.color.navigation_selected)
	: getResources().getColor(R.color.navigation_unselected);
	for (Drawable drawable : textView.getCompoundDrawables()) {
	if (drawable != null) {
	drawable.mutate();
	drawable.setColorFilter(
	new PorterDuffColorFilter(color, PorterDuff.Mode.SRC_IN));
	}
	}
	}
	}

	@Override
	protected void onNewIntent(Intent intent) {
	// Store the Intent so we can switch Fragments in onResume (which is called next). Only need
	// to switch Fragment if the Intent specifies to do so.
	setIntent(intent);
	mSwitchFragmentOnResume = intent.hasExtra(FRAGMENT_ID_INTENT_EXTRA);
	}

	@Override
	protected void onResume() {
	super.onResume();

	// Check package status in onResume() to hide/show the error message if the user
	// changes WebView implementation from system settings and then returns back to the
	// activity.
	mDifferentPackageErrorVisible = mDifferentPackageError.showMessageIfDifferent();

	// Don't change Fragment unless we have a new Intent, since the user might just be coming
	// back to this through the task switcher.
	if (!mSwitchFragmentOnResume) return;

	// Ensure we only switch the first time we see a new Intent.
	mSwitchFragmentOnResume = false;

	// Default to HomeFragment if not specified.
	int fragmentId = FRAGMENT_ID_HOME;
	// FRAGMENT_ID_INTENT_EXTRA is an optional extra to specify which fragment to open. At the
	// moment, it's specified only by DeveloperUiService (so make sure these constants stay in
	// sync).
	Bundle extras = getIntent().getExtras();
	if (extras != null) {
	fragmentId = extras.getInt(FRAGMENT_ID_INTENT_EXTRA, fragmentId);
	}
	switchFragment(fragmentId);
	logFragmentNavigation("FromIntent", fragmentId);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
	getMenuInflater().inflate(R.menu.options_menu, menu);
	if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
	// Switching WebView providers is only possible for API >= 24.
	MenuItem item = menu.findItem(R.id.options_menu_switch_provider);
	item.setVisible(false);
	}
	return true;
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
	if (item.getItemId() == R.id.options_menu_switch_provider
	&& Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
	logMenuSelection(MenuChoice.SWITCH_PROVIDER);
	startActivity(new Intent(Settings.ACTION_WEBVIEW_SETTINGS));
	return true;
	} else if (item.getItemId() == R.id.options_menu_report_bug) {
	logMenuSelection(MenuChoice.REPORT_BUG);
	Uri reportUri = new Uri.Builder()
	.scheme("https")
	.authority("bugs.chromium.org")
	.path("/p/chromium/issues/entry")
	.appendQueryParameter("template", "Webview+Bugs")
	.appendQueryParameter("labels",
	"Via-WebView-DevTools,Pri-3,Type-Bug,OS-Android")
	.build();
	startActivity(new Intent(Intent.ACTION_VIEW, reportUri));
	return true;
	} else if (item.getItemId() == R.id.options_menu_check_updates) {
	logMenuSelection(MenuChoice.CHECK_UPDATES);
	try {
	Uri marketUri = new Uri.Builder()
	.scheme("market")
	.authority("details")
	.appendQueryParameter("id", this.getPackageName())
	.build();
	startActivity(new Intent(Intent.ACTION_VIEW, marketUri));
	} catch (Exception e) {
	Uri marketUri = new Uri.Builder()
	.scheme("https")
	.authority("play.google.com")
	.path("/store/apps/details")
	.appendQueryParameter("id", this.getPackageName())
	.build();
	startActivity(new Intent(Intent.ACTION_VIEW, marketUri));
	}
	return true;
	}
	return super.onOptionsItemSelected(item);
	}
	}