Java AsyncTabParamsManager类代码示例

import org.chromium.chrome.browser.tabmodel.AsyncTabParamsManager; //导入依赖的package包/类
/**
 * Check whether or not the Intent contains an ID for document mode.
 * @param intent Intent to check.
 * @return ID for the document that has the given intent as base intent, or
 *         {@link Tab.INVALID_TAB_ID} if it couldn't be retrieved.
 */
public static int getTabIdFromIntent(Intent intent) {
    if (intent == null || intent.getData() == null) return Tab.INVALID_TAB_ID;

    // Avoid AsyncTabCreationParams related flows early returning here.
    if (AsyncTabParamsManager.hasParamsWithTabToReparent()) {
        return IntentUtils.safeGetIntExtra(
                intent, IntentHandler.EXTRA_TAB_ID, Tab.INVALID_TAB_ID);
    }

    Uri data = intent.getData();
    if (!TextUtils.equals(data.getScheme(), UrlConstants.DOCUMENT_SCHEME)) {
        return Tab.INVALID_TAB_ID;
    }

    try {
        return Integer.parseInt(data.getHost());
    } catch (NumberFormatException e) {
        return Tab.INVALID_TAB_ID;
    }
}
 

import org.chromium.chrome.browser.tabmodel.AsyncTabParamsManager; //导入依赖的package包/类
/**
 * Detaches a tab from its current activity if any.
 *
 * In details, this function:
 * - Tags the tab using mIsDetached.
 * - Registers some information for later reparenting in {@link AsyncTabParamsManager}.
 * - Removes the tab from its current {@link TabModelSelector}, effectively severing
 *   the {@link Activity} to {@link Tab} link.
 *
 * @param intent to be stored within a {@link TabReparentingParams}
 * @param finalizeCallback to be stored within a {@link TabReparentingParams}
 */
private void detach(Intent intent, Runnable finalizeCallback) {
    mIsDetached = true;
    // Add the tab to AsyncTabParamsManager before removing it from the current model to
    // ensure the global count of tabs is correct. See crbug.com/611806.
    if (intent == null) intent = new Intent();
    intent.putExtra(IntentHandler.EXTRA_TAB_ID, mId);
    AsyncTabParamsManager.add(mId, new TabReparentingParams(this, intent, finalizeCallback));

    TabModelSelector tabModelSelector = getTabModelSelector();
    if (tabModelSelector != null) {
        tabModelSelector.getModel(mIncognito).removeTab(this);
    }
    // TODO(yusufo): We can't call updateWindowAndroid here and set mWindowAndroid to null
    // because many code paths (including navigation) expect the tab to always be associated
    // with an activity, and will crash. crbug.com/657007
    if (mContentViewCore != null) mContentViewCore.updateWindowAndroid(null);
    attachTabContentManager(null);
}
 

import org.chromium.chrome.browser.tabmodel.AsyncTabParamsManager; //导入依赖的package包/类
@Override
public void onStart() {
    if (AsyncTabParamsManager.hasParamsWithTabToReparent()) {
        mCompositorViewHolder.prepareForTabReparenting();
    }
    super.onStart();
    if (mContextReporter != null) mContextReporter.enable();

    if (mPartnerBrowserRefreshNeeded) {
        mPartnerBrowserRefreshNeeded = false;
        PartnerBrowserCustomizations.initializeAsync(getApplicationContext(),
                PARTNER_BROWSER_CUSTOMIZATIONS_TIMEOUT_MS);
        PartnerBrowserCustomizations.setOnInitializeAsyncFinished(new Runnable() {
            @Override
            public void run() {
                if (PartnerBrowserCustomizations.isIncognitoDisabled()) {
                    terminateIncognitoSession();
                }
            }
        });
    }
    if (mCompositorViewHolder != null) mCompositorViewHolder.onStart();
    mSnackbarManager.onStart();

    // Explicitly call checkAccessibility() so things are initialized correctly when Chrome has
    // been re-started after closing due to the last tab being closed when homepage is enabled.
    // See crbug.com/541546.
    checkAccessibility();

    mScreenWidthDp = getResources().getConfiguration().screenWidthDp;
}
 

import org.chromium.chrome.browser.tabmodel.AsyncTabParamsManager; //导入依赖的package包/类
/**
 * Begins the tab reparenting process. Detaches the tab from its current activity and fires
 * an Intent to reparent the tab into its new host activity.
 *
 * @param intent An optional intent with the desired component, flags, or extras to use when
 *               launching the new host activity. This intent's URI and action will be
 *               overriden. This may be null if no intent customization is needed.
 * @param startActivityOptions Options to pass to {@link Activity#startActivity(Intent, Bundle)}
 * @param finalizeCallback A callback that will be called after the tab is attached to the new
 *                         host activity in {@link #attachAndFinishReparenting}.
 * @return Whether reparenting succeeded. If false, the tab was not removed and the intent was
 *         not fired.
 */
public boolean detachAndStartReparenting(Intent intent, Bundle startActivityOptions,
        Runnable finalizeCallback) {
    ChromeActivity activity = getActivity();
    if (activity == null) return false;

    if (intent == null) intent = new Intent();
    if (intent.getComponent() == null) {
        intent.setClass(mThemedApplicationContext, ChromeLauncherActivity.class);
    }
    intent.setAction(Intent.ACTION_VIEW);
    if (TextUtils.isEmpty(intent.getDataString())) intent.setData(Uri.parse(getUrl()));
    if (isIncognito()) {
        intent.putExtra(IntentHandler.EXTRA_OPEN_NEW_INCOGNITO_TAB, true);
    }
    IntentHandler.addTrustedIntentExtras(intent, activity);

    if (ChromeFeatureList.isEnabled(ChromeFeatureList.TAB_REPARENTING)) {
        TabModelSelector tabModelSelector = getTabModelSelector();
        if (tabModelSelector == null) return false;
        mIsDetachedForReparenting = true;

        // Add the tab to AsyncTabParamsManager before removing it from the current model to
        // ensure the global count of tabs is correct. See crbug.com/611806.
        intent.putExtra(IntentHandler.EXTRA_TAB_ID, mId);
        AsyncTabParamsManager.add(mId,
                new TabReparentingParams(this, intent, finalizeCallback));

        tabModelSelector.getModel(mIncognito).removeTab(this);

        // TODO(yusufo): We can't call updateWindowAndroid here and set mWindowAndroid to null
        // because many code paths (including navigation) expect the tab to always be associated
        // with an activity, and will crash. crbug.com/657007
        if (mContentViewCore != null) mContentViewCore.updateWindowAndroid(null);
        attachTabContentManager(null);
    }

    activity.startActivity(intent, startActivityOptions);
    return true;
}
 

import org.chromium.chrome.browser.tabmodel.AsyncTabParamsManager; //导入依赖的package包/类
@Override
public void onStart() {
    if (AsyncTabParamsManager.hasParamsWithTabToReparent()) {
        mCompositorViewHolder.prepareForTabReparenting();
    }
    super.onStart();
    if (mContextReporter != null) mContextReporter.enable();

    if (mPartnerBrowserRefreshNeeded) {
        mPartnerBrowserRefreshNeeded = false;
        PartnerBrowserCustomizations.initializeAsync(getApplicationContext(),
                PARTNER_BROWSER_CUSTOMIZATIONS_TIMEOUT_MS);
        PartnerBrowserCustomizations.setOnInitializeAsyncFinished(new Runnable() {
            @Override
            public void run() {
                if (PartnerBrowserCustomizations.isIncognitoDisabled()) {
                    terminateIncognitoSession();
                }
            }
        });
    }
    if (mCompositorViewHolder != null) mCompositorViewHolder.onStart();
    mSnackbarManager.onStart();

    // Explicitly call checkAccessibility() so things are initialized correctly when Chrome has
    // been re-started after closing due to the last tab being closed when homepage is enabled.
    // See crbug.com/541546.
    checkAccessibility();

    mUiMode = getResources().getConfiguration().uiMode;
    mScreenWidthDp = getResources().getConfiguration().screenWidthDp;
}
 

import org.chromium.chrome.browser.tabmodel.AsyncTabParamsManager; //导入依赖的package包/类
private Intent createNewTabIntent(
        AsyncTabCreationParams asyncParams, int parentId, boolean isChromeUI) {
    int assignedTabId = TabIdManager.getInstance().generateValidId(Tab.INVALID_TAB_ID);
    AsyncTabParamsManager.add(assignedTabId, asyncParams);

    Intent intent = new Intent(
            Intent.ACTION_VIEW, Uri.parse(asyncParams.getLoadUrlParams().getUrl()));

    ComponentName componentName = asyncParams.getComponentName();
    if (componentName == null) {
        intent.setClass(ContextUtils.getApplicationContext(), ChromeLauncherActivity.class);
    } else {
        intent.setComponent(componentName);
    }

    Map<String, String> extraHeaders = asyncParams.getLoadUrlParams().getExtraHeaders();
    if (extraHeaders != null && !extraHeaders.isEmpty()) {
        Bundle bundle = new Bundle();
        for (Map.Entry<String, String> header : extraHeaders.entrySet()) {
            bundle.putString(header.getKey(), header.getValue());
        }
        intent.putExtra(Browser.EXTRA_HEADERS, bundle);
    }

    intent.putExtra(IntentHandler.EXTRA_TAB_ID, assignedTabId);
    intent.putExtra(IntentHandler.EXTRA_OPEN_NEW_INCOGNITO_TAB, mIsIncognito);
    intent.putExtra(IntentHandler.EXTRA_PARENT_TAB_ID, parentId);

    if (isChromeUI) {
        intent.putExtra(Browser.EXTRA_APPLICATION_ID,
                ContextUtils.getApplicationContext().getPackageName());
        intent.putExtra(Browser.EXTRA_CREATE_NEW_TAB, true);
    }

    Activity parentActivity = ActivityDelegate.getActivityForTabId(parentId);
    if (parentActivity != null && parentActivity.getIntent() != null) {
        intent.putExtra(IntentHandler.EXTRA_PARENT_INTENT, parentActivity.getIntent());
    }

    if (asyncParams.getRequestId() != null) {
        intent.putExtra(ServiceTabLauncher.LAUNCH_REQUEST_ID_EXTRA,
                asyncParams.getRequestId().intValue());
    }

    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    return intent;
}
 

import org.chromium.chrome.browser.tabmodel.AsyncTabParamsManager; //导入依赖的package包/类
private Intent createNewTabIntent(
        AsyncTabCreationParams asyncParams, int parentId, boolean isChromeUI) {
    int assignedTabId = TabIdManager.getInstance().generateValidId(Tab.INVALID_TAB_ID);
    AsyncTabParamsManager.add(assignedTabId, asyncParams);

    Intent intent = new Intent(
            Intent.ACTION_VIEW, Uri.parse(asyncParams.getLoadUrlParams().getUrl()));

    ComponentName componentName = asyncParams.getComponentName();
    if (componentName == null) {
        intent.setClass(ContextUtils.getApplicationContext(), ChromeLauncherActivity.class);
    } else {
        intent.setComponent(componentName);
    }

    Map<String, String> extraHeaders = asyncParams.getLoadUrlParams().getExtraHeaders();
    if (extraHeaders != null && !extraHeaders.isEmpty()) {
        Bundle bundle = new Bundle();
        for (Map.Entry<String, String> header : extraHeaders.entrySet()) {
            bundle.putString(header.getKey(), header.getValue());
        }
        intent.putExtra(Browser.EXTRA_HEADERS, bundle);
    }

    intent.putExtra(IntentHandler.EXTRA_TAB_ID, assignedTabId);
    intent.putExtra(IntentHandler.EXTRA_OPEN_NEW_INCOGNITO_TAB, mIsIncognito);
    intent.putExtra(IntentHandler.EXTRA_PARENT_TAB_ID, parentId);

    if (mIsIncognito || isChromeUI) {
        intent.putExtra(Browser.EXTRA_APPLICATION_ID,
                ContextUtils.getApplicationContext().getPackageName());
    }

    if (isChromeUI) intent.putExtra(Browser.EXTRA_CREATE_NEW_TAB, true);

    Activity parentActivity = ActivityDelegate.getActivityForTabId(parentId);
    if (parentActivity != null && parentActivity.getIntent() != null) {
        intent.putExtra(IntentHandler.EXTRA_PARENT_INTENT, parentActivity.getIntent());
    }

    if (asyncParams.getRequestId() != null) {
        intent.putExtra(ServiceTabLauncher.LAUNCH_REQUEST_ID_EXTRA,
                asyncParams.getRequestId().intValue());
    }

    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    return intent;
}