Java ChromePreferenceManager.getInstance方法代码示例

import org.chromium.chrome.browser.preferences.ChromePreferenceManager; //导入方法依赖的package包/类
/**
 * Launches the signin promo if it needs to be displayed.
 * @param activity The parent activity.
 * @return Whether the signin promo is shown.
 */
public static boolean launchSigninPromoIfNeeded(final Activity activity) {
    // The promo is displayed if Chrome is launched directly (i.e., not with the intent to
    // navigate to and view a URL on startup), the instance is part of the field trial,
    // and the promo has been marked to display.
    ChromePreferenceManager preferenceManager = ChromePreferenceManager.getInstance(activity);
    if (MultiWindowUtils.getInstance().isLegacyMultiWindow(activity)) return false;
    if (!preferenceManager.getShowSigninPromo()) return false;
    preferenceManager.setShowSigninPromo(false);

    String lastSyncName = PrefServiceBridge.getInstance().getSyncLastAccountName();
    if (ChromeSigninController.get(activity).isSignedIn() || !TextUtils.isEmpty(lastSyncName)) {
        return false;
    }

    AccountSigninActivity.startIfAllowed(activity, SigninAccessPoint.SIGNIN_PROMO);
    preferenceManager.setSigninPromoShown();
    return true;
}
 

import org.chromium.chrome.browser.preferences.ChromePreferenceManager; //导入方法依赖的package包/类
/**
 * To be triggered when a snippet is bound to a ViewHolder.
 */
public void onSnippetBound(View cardView) {
    // We only run if the feature is enabled and once per NTP.
    if (!SnippetsConfig.isIncreasedCardVisibilityEnabled() || mFirstCardAnimationRun) return;
    mFirstCardAnimationRun = true;

    // We only want an animation to run if we are not scrolled.
    if (computeVerticalScrollOffset() != 0) return;

    // We only show the animation a certain number of times to a user.
    ChromePreferenceManager manager = ChromePreferenceManager.getInstance(getContext());
    int animCount = manager.getNewTabPageFirstCardAnimationRunCount();
    if (animCount > CardsVariationParameters.getFirstCardAnimationMaxRuns()) return;
    manager.setNewTabPageFirstCardAnimationRunCount(animCount + 1);

    // We do not show the animation if the user has previously seen it then scrolled.
    if (manager.getCardsImpressionAfterAnimation()) return;

    // The peeking card bounces up twice from its position.
    ObjectAnimator animator = ObjectAnimator.ofFloat(cardView, View.TRANSLATION_Y,
            0f, -mPeekingCardBounceDistance, 0f, -mPeekingCardBounceDistance, 0f);
    animator.setStartDelay(PEEKING_CARD_ANIMATION_START_DELAY_MS);
    animator.setDuration(PEEKING_CARD_ANIMATION_TIME_MS);
    animator.setInterpolator(PEEKING_CARD_INTERPOLATOR);
    animator.start();
}
 

import org.chromium.chrome.browser.preferences.ChromePreferenceManager; //导入方法依赖的package包/类
/**
 * Once native is loaded we can consult the command-line (set via about:flags) and also finch
 * state to see if we should enable WebAPKs.
 */
public static void cacheEnabledStateForNextLaunch() {
    ChromePreferenceManager preferenceManager =
            ChromePreferenceManager.getInstance(ContextUtils.getApplicationContext());

    boolean wasCommandLineEnabled = preferenceManager.getCachedWebApkCommandLineEnabled();
    boolean isCommandLineEnabled = isCommandLineFlagSet();
    if (isCommandLineEnabled != wasCommandLineEnabled) {
        // {@link launchWebApkRequirementsDialogIfNeeded()} is skipped the first time Chrome is
        // launched so do caching here instead.
        preferenceManager.setCachedWebApkCommandLineEnabled(isCommandLineEnabled);
    }

    boolean wasEnabled = isEnabledInPrefs();
    boolean isEnabled = computeEnabled();
    if (isEnabled != wasEnabled) {
        Log.d(TAG, "WebApk setting changed (%s => %s)", wasEnabled, isEnabled);
        preferenceManager.setCachedWebApkRuntimeEnabled(isEnabled);
    }
}
 

import org.chromium.chrome.browser.preferences.ChromePreferenceManager; //导入方法依赖的package包/类
/**
 * Cache whether or not Chrome Home is enabled.
 */
public static void cacheChromeHomeEnabled() {
    Context context = ContextUtils.getApplicationContext();

    // Chrome Home doesn't work with tablets.
    if (DeviceFormFactor.isTablet(context)) return;

    boolean isChromeHomeEnabled = ChromeFeatureList.isEnabled(ChromeFeatureList.CHROME_HOME);
    ChromePreferenceManager manager = ChromePreferenceManager.getInstance(context);
    boolean valueChanged = isChromeHomeEnabled != manager.isChromeHomeEnabled();
    manager.setChromeHomeEnabled(isChromeHomeEnabled);
    sChromeHomeEnabled = isChromeHomeEnabled;

    // If the cached value changed, restart chrome.
    if (valueChanged) ApplicationLifetime.terminate(true);
}
 

import org.chromium.chrome.browser.preferences.ChromePreferenceManager; //导入方法依赖的package包/类
/**
 * Launches the signin promo if it needs to be displayed.
 * @param activity The parent activity.
 * @return Whether the signin promo is shown.
 */
public static boolean launchSigninPromoIfNeeded(final Activity activity) {
    // The promo is displayed if Chrome is launched directly (i.e., not with the intent to
    // navigate to and view a URL on startup), the instance is part of the field trial,
    // and the promo has been marked to display.
    ChromePreferenceManager preferenceManager = ChromePreferenceManager.getInstance(activity);
    if (MultiWindowUtils.getInstance().isMultiWindow(activity)) return false;
    if (!preferenceManager.getShowSigninPromo()) return false;
    preferenceManager.setShowSigninPromo(false);

    String lastSyncName = PrefServiceBridge.getInstance().getSyncLastAccountName();
    if (SigninManager.getAndroidSigninPromoExperimentGroup() < 0
            || ChromeSigninController.get(activity).isSignedIn()
            || !TextUtils.isEmpty(lastSyncName)) {
        return false;
    }

    SigninPromoScreen promoScreen = new SigninPromoScreen(activity);
    promoScreen.show();
    preferenceManager.setSigninPromoShown();
    return true;
}
 

import org.chromium.chrome.browser.preferences.ChromePreferenceManager; //导入方法依赖的package包/类
/**
 * Launches the signin promo if it needs to be displayed.
 * @param activity The parent activity.
 * @return Whether the signin promo is shown.
 */
public static boolean launchSigninPromoIfNeeded(final Activity activity) {
    // The promo is displayed if Chrome is launched directly (i.e., not with the intent to
    // navigate to and view a URL on startup), the instance is part of the field trial,
    // and the promo has been marked to display.
    ChromePreferenceManager preferenceManager = ChromePreferenceManager.getInstance();
    if (MultiWindowUtils.getInstance().isLegacyMultiWindow(activity)) return false;
    if (!preferenceManager.getShowSigninPromo()) return false;
    preferenceManager.setShowSigninPromo(false);

    String lastSyncName = PrefServiceBridge.getInstance().getSyncLastAccountName();
    if (ChromeSigninController.get().isSignedIn() || !TextUtils.isEmpty(lastSyncName)) {
        return false;
    }

    AccountSigninActivity.startIfAllowed(activity, SigninAccessPoint.SIGNIN_PROMO);
    preferenceManager.setSigninPromoShown();
    return true;
}
 

import org.chromium.chrome.browser.preferences.ChromePreferenceManager; //导入方法依赖的package包/类
/**
 * @param context The Android Context.
 */
public ContextualSearchPolicy(Context context,
                              ContextualSearchSelectionController selectionController,
                              ContextualSearchNetworkCommunicator networkCommunicator) {
    mPreferenceManager = ChromePreferenceManager.getInstance(context);

    mSelectionController = selectionController;
    mNetworkCommunicator = networkCommunicator;
}
 

import org.chromium.chrome.browser.preferences.ChromePreferenceManager; //导入方法依赖的package包/类
/**
 * Constructs an object that tracks impressions and clicks per user to produce CTR and
 * impression metrics.
 * @param context An Android Context.
 */
CtrSuppression(Context context) {
    mPreferenceManager = ChromePreferenceManager.getInstance(context);

    // This needs to be done last in this constructor because the native code may call
    // into this object.
    mNativePointer = nativeInit();
}
 

import org.chromium.chrome.browser.preferences.ChromePreferenceManager; //导入方法依赖的package包/类
/**
 * @return Whether or not chrome should attach the toolbar to the bottom of the screen.
 */
public static boolean isChromeHomeEnabled() {
    if (sChromeHomeEnabled == null) {
        ChromePreferenceManager manager =
                ChromePreferenceManager.getInstance(ContextUtils.getApplicationContext());
        sChromeHomeEnabled = manager.isChromeHomeEnabled();
    }

    return sChromeHomeEnabled;
}
 

import org.chromium.chrome.browser.preferences.ChromePreferenceManager; //导入方法依赖的package包/类
/**
 * ContextualSearchPolicy constructor.
 */
public ContextualSearchPolicy(ContextualSearchSelectionController selectionController,
        ContextualSearchNetworkCommunicator networkCommunicator) {
    mPreferenceManager = ChromePreferenceManager.getInstance();

    mSelectionController = selectionController;
    mNetworkCommunicator = networkCommunicator;
}
 

import org.chromium.chrome.browser.preferences.ChromePreferenceManager; //导入方法依赖的package包/类
/**
 * Handles Tap suppression by making a callback to either the handler's #handleSuppressedTap()
 * or #handleNonSuppressedTap() after a possible delay.
 * This should be called when the context is fully built (by gathering surrounding text
 * if needed, etc) but before showing any UX.
 */
void handleShouldSuppressTap() {
    int x = (int) mX;
    int y = (int) mY;

    // TODO(donnd): add a policy method to get adjusted tap count.
    ChromePreferenceManager prefs = ChromePreferenceManager.getInstance();
    int adjustedTapsSinceOpen = prefs.getContextualSearchTapCount()
            - prefs.getContextualSearchTapQuickAnswerCount();
    TapSuppressionHeuristics tapHeuristics =
            new TapSuppressionHeuristics(this, mLastTapState, x, y, adjustedTapsSinceOpen);
    // TODO(donnd): Move to be called when the panel closes to work with states that change.
    tapHeuristics.logConditionState();
    // Tell the manager what it needs in order to log metrics on whether the tap would have
    // been suppressed if each of the heuristics were satisfied.
    mHandler.handleMetricsForWouldSuppressTap(tapHeuristics);

    boolean shouldSuppressTap = tapHeuristics.shouldSuppressTap();
    if (mTapTimeNanoseconds != 0) {
        // Remember the tap state for subsequent tap evaluation.
        mLastTapState =
                new ContextualSearchTapState(x, y, mTapTimeNanoseconds, shouldSuppressTap);
    } else {
        mLastTapState = null;
    }

    if (shouldSuppressTap) {
        mHandler.handleSuppressedTap();
    } else {
        mHandler.handleNonSuppressedTap();
    }
}
 

import org.chromium.chrome.browser.preferences.ChromePreferenceManager; //导入方法依赖的package包/类
/**
 * Constructs an object that tracks impressions and clicks per user to produce CTR and
 * impression metrics.
 */
CtrSuppression() {
    mPreferenceManager = ChromePreferenceManager.getInstance();

    // This needs to be done last in this constructor because the native code may call
    // into this object.
    mNativePointer = nativeInit();
}
 

import org.chromium.chrome.browser.preferences.ChromePreferenceManager; //导入方法依赖的package包/类
@Override
public void onCardBound(CardViewHolder cardViewHolder) {
    if (cardViewHolder.getAdapterPosition() == getNewTabPageAdapter().getFirstCardPosition()) {
        updatePeekingCard(cardViewHolder);
    } else {
        cardViewHolder.setNotPeeking();
    }

    // Animate the peeking card.
    // We only run if the feature is enabled and once per NTP.
    if (!shouldAnimateFirstCard()) return;
    mFirstCardAnimationRun = true;

    // We only want an animation to run if we are not scrolled.
    if (computeVerticalScrollOffset() != 0) return;

    // We only show the animation a certain number of times to a user.
    ChromePreferenceManager manager = ChromePreferenceManager.getInstance();
    int animCount = manager.getNewTabPageFirstCardAnimationRunCount();
    if (animCount > CardsVariationParameters.getFirstCardAnimationMaxRuns()) return;
    manager.setNewTabPageFirstCardAnimationRunCount(animCount + 1);

    // We do not show the animation if the user has previously seen it then scrolled.
    if (manager.getCardsImpressionAfterAnimation()) return;

    // The peeking card bounces up twice from its position.
    ObjectAnimator animator =
            ObjectAnimator.ofFloat(cardViewHolder.itemView, View.TRANSLATION_Y, 0f,
                    -mPeekingCardBounceDistance, 0f, -mPeekingCardBounceDistance, 0f);
    animator.setStartDelay(PEEKING_CARD_ANIMATION_START_DELAY_MS);
    animator.setDuration(PEEKING_CARD_ANIMATION_TIME_MS);
    animator.setInterpolator(PEEKING_CARD_INTERPOLATOR);
    animator.start();
}
 

import org.chromium.chrome.browser.preferences.ChromePreferenceManager; //导入方法依赖的package包/类
/**
 * Once native is loaded we can consult the command-line (set via about:flags) and also finch
 * state to see if we should enable WebAPKs.
 */
public static void cacheEnabledStateForNextLaunch() {
    ChromePreferenceManager preferenceManager = ChromePreferenceManager.getInstance();

    boolean wasEnabled = isEnabledInPrefs();
    boolean isEnabled = ChromeFeatureList.isEnabled(ChromeFeatureList.IMPROVED_A2HS);
    if (isEnabled != wasEnabled) {
        Log.d(TAG, "WebApk setting changed (%s => %s)", wasEnabled, isEnabled);
        preferenceManager.setCachedWebApkRuntimeEnabled(isEnabled);
    }
}
 

import org.chromium.chrome.browser.preferences.ChromePreferenceManager; //导入方法依赖的package包/类
/**
 * Cache whether or not Chrome Home is enabled.
 */
public static void cacheChromeHomeEnabled() {
    // Chrome Home doesn't work with tablets.
    if (DeviceFormFactor.isTablet()) return;

    boolean isChromeHomeEnabled = ChromeFeatureList.isEnabled(ChromeFeatureList.CHROME_HOME);
    ChromePreferenceManager manager = ChromePreferenceManager.getInstance();
    boolean valueChanged = isChromeHomeEnabled != manager.isChromeHomeEnabled();
    manager.setChromeHomeEnabled(isChromeHomeEnabled);
    sChromeHomeEnabled = isChromeHomeEnabled;

    // If the cached value changed, restart chrome.
    if (valueChanged) ApplicationLifetime.terminate(true);
}