Java Code Examples for org.chromium.chrome.browser.tab.Tab#isLoading()

private void updateCurrentTabDisplayStatus() {
    Tab tab = mToolbarModel.getTab();
    mLocationBar.setUrlToPageUrl();

    updateTabLoadingState(true);

    if (tab == null) {
        finishLoadProgress(false);
        return;
    }

    mLoadProgressSimulator.cancel();

    if (tab.isLoading()) {
        if (NativePageFactory.isNativePageUrl(tab.getUrl(), tab.isIncognito())) {
            finishLoadProgress(false);
        } else {
            startLoadProgress();
            updateLoadProgress(tab.getProgress());
        }
    } else {
        finishLoadProgress(false);
    }
}
 

private void updateCurrentTabDisplayStatus() {
    Tab tab = mToolbarModel.getTab();
    mLocationBar.setUrlToPageUrl();

    updateTabLoadingState(true);

    if (tab == null) {
        finishLoadProgress(false);
        return;
    }

    mLoadProgressSimulator.cancel();

    if (tab.isLoading()) {
        if (NativePageFactory.isNativePageUrl(tab.getUrl(), tab.isIncognito())) {
            finishLoadProgress(false);
        } else {
            startLoadProgress();
            updateLoadProgress(tab.getProgress());
        }
    } else {
        finishLoadProgress(false);
    }
}
 

private void updateCurrentTabDisplayStatus() {
    Tab tab = mToolbarModel.getTab();
    mLocationBar.setUrlToPageUrl();

    updateTabLoadingState(true);

    if (tab == null) {
        finishLoadProgress(false);
        return;
    }

    mLoadProgressSimulator.cancel();

    if (tab.isLoading()) {
        if (NativePageFactory.isNativePageUrl(tab.getUrl(), tab.isIncognito())) {
            finishLoadProgress(false);
        } else {
            startLoadProgress();
            updateLoadProgress(tab.getProgress());
        }
    } else {
        finishLoadProgress(false);
    }
}
 

@Override
public void stopOrReloadCurrentTab() {
    Tab currentTab = mToolbarModel.getTab();
    if (currentTab != null) {
        if (currentTab.isLoading()) {
            currentTab.stopLoading();
        } else {
            currentTab.reload();
            RecordUserAction.record("MobileToolbarReload");
        }
    }
    updateButtonStatus();
}
 

private void updateReloadState(boolean tabCrashed) {
    Tab currentTab = mToolbarModel.getTab();
    boolean isLoading = false;
    if (!tabCrashed) {
        isLoading = (currentTab != null && currentTab.isLoading()) || !mNativeLibraryReady;
    }
    mToolbar.updateReloadButtonVisibility(isLoading);
    if (mMenuDelegatePhone != null) mMenuDelegatePhone.updateReloadButtonState(isLoading);
}
 

@Override
public void stopOrReloadCurrentTab() {
    Tab currentTab = mToolbarModel.getTab();
    if (currentTab != null) {
        if (currentTab.isLoading()) {
            currentTab.stopLoading();
            RecordUserAction.record("MobileToolbarStop");
        } else {
            currentTab.reload();
            RecordUserAction.record("MobileToolbarReload");
        }
    }
    updateButtonStatus();
}
 

private void updateReloadState(boolean tabCrashed) {
    Tab currentTab = mToolbarModel.getTab();
    boolean isLoading = false;
    if (!tabCrashed) {
        isLoading = (currentTab != null && currentTab.isLoading()) || !mNativeLibraryReady;
    }
    mToolbar.updateReloadButtonVisibility(isLoading);
    if (mMenuDelegatePhone != null) mMenuDelegatePhone.updateReloadButtonState(isLoading);
}
 

/**
 * Tracks the next page load, with timestamp as the origin of time.
 * If a load is already happening, we track its PLT.
 * If not, we track NavigationCommit timing + PLT for the next load.
 */
public void trackNextPageLoadFromTimestamp(Tab tab, long timestamp) {
    mIntentReceivedTimestamp = timestamp;
    if (tab.isLoading()) {
        mPageLoadStartedTimestamp = -1;
        mCurrentState = STATE_WAITING_LOAD_FINISH;
    } else {
        mCurrentState = STATE_WAITING_LOAD_START;
    }
}
 

@Override
public void stopOrReloadCurrentTab() {
    Tab currentTab = mToolbarModel.getTab();
    if (currentTab != null) {
        if (currentTab.isLoading()) {
            currentTab.stopLoading();
            RecordUserAction.record("MobileToolbarStop");
        } else {
            currentTab.reload();
            RecordUserAction.record("MobileToolbarReload");
        }
    }
    updateButtonStatus();
}
 

private void updateReloadState(boolean tabCrashed) {
    Tab currentTab = mToolbarModel.getTab();
    boolean isLoading = false;
    if (!tabCrashed) {
        isLoading = (currentTab != null && currentTab.isLoading()) || !mNativeLibraryReady;
    }
    mToolbar.updateReloadButtonVisibility(isLoading);
    if (mMenuDelegatePhone != null) mMenuDelegatePhone.updateReloadButtonState(isLoading);
}
 

/**
 * Handles menu item selection and keyboard shortcuts.
 *
 * @param id The ID of the selected menu item (defined in main_menu.xml) or
 *           keyboard shortcut (defined in values.xml).
 * @param fromMenu Whether this was triggered from the menu.
 * @return Whether the action was handled.
 */
public boolean onMenuOrKeyboardAction(int id, boolean fromMenu) {
    if (id == R.id.preferences_id) {
        PreferencesLauncher.launchSettingsPage(this, null);
        RecordUserAction.record("MobileMenuSettings");
    } else if (id == R.id.show_menu) {
        showAppMenuForKeyboardEvent();
    }

    if (id == R.id.update_menu_id) {
        UpdateMenuItemHelper.getInstance().onMenuItemClicked(this);
        return true;
    }

    // All the code below assumes currentTab is not null, so return early if it is null.
    final Tab currentTab = getActivityTab();
    if (currentTab == null) {
        return false;
    } else if (id == R.id.forward_menu_id) {
        if (currentTab.canGoForward()) {
            currentTab.goForward();
            RecordUserAction.record("MobileMenuForward");
            RecordUserAction.record("MobileTabClobbered");
        }
    } else if (id == R.id.bookmark_this_page_id) {
        addOrEditBookmark(currentTab);
        RecordUserAction.record("MobileMenuAddToBookmarks");
    } else if (id == R.id.reload_menu_id) {
        if (currentTab.isLoading()) {
            currentTab.stopLoading();
        } else {
            currentTab.reload();
            RecordUserAction.record("MobileToolbarReload");
        }
    } else if (id == R.id.info_menu_id) {
        WebsiteSettingsPopup.show(
                this, currentTab, null, WebsiteSettingsPopup.OPENED_FROM_MENU);
    } else if (id == R.id.open_history_menu_id) {
        currentTab.loadUrl(
                new LoadUrlParams(UrlConstants.HISTORY_URL, PageTransition.AUTO_TOPLEVEL));
        RecordUserAction.record("MobileMenuHistory");
        StartupMetrics.getInstance().recordOpenedHistory();
    } else if (id == R.id.share_menu_id || id == R.id.direct_share_menu_id) {
        onShareMenuItemSelected(id == R.id.direct_share_menu_id,
                getCurrentTabModel().isIncognito());
    } else if (id == R.id.print_id) {
        PrintingController printingController = getChromeApplication().getPrintingController();
        if (printingController != null && !printingController.isBusy()
                && PrefServiceBridge.getInstance().isPrintingEnabled()) {
            printingController.startPrint(new TabPrinter(currentTab),
                    new PrintManagerDelegateImpl(this));
            RecordUserAction.record("MobileMenuPrint");
        }
    } else if (id == R.id.add_to_homescreen_id) {
        AddToHomescreenDialog.show(this, currentTab);
        RecordUserAction.record("MobileMenuAddToHomescreen");
    } else if (id == R.id.request_desktop_site_id) {
        final boolean reloadOnChange = !currentTab.isNativePage();
        final boolean usingDesktopUserAgent = currentTab.getUseDesktopUserAgent();
        currentTab.setUseDesktopUserAgent(!usingDesktopUserAgent, reloadOnChange);
        RecordUserAction.record("MobileMenuRequestDesktopSite");
    } else if (id == R.id.reader_mode_prefs_id) {
        if (currentTab.getWebContents() != null) {
            RecordUserAction.record("DomDistiller_DistilledPagePrefsOpened");
            AlertDialog.Builder builder =
                    new AlertDialog.Builder(this, R.style.AlertDialogTheme);
            builder.setView(DistilledPagePrefsView.create(this));
            builder.show();
        }
    } else if (id == R.id.help_id) {
        // Since reading back the compositor is asynchronous, we need to do the readback
        // before starting the GoogleHelp.
        String helpContextId = HelpAndFeedback.getHelpContextIdFromUrl(
                this, currentTab.getUrl(), getCurrentTabModel().isIncognito());
        HelpAndFeedback.getInstance(this)
                .show(this, helpContextId, currentTab.getProfile(), currentTab.getUrl());
        RecordUserAction.record("MobileMenuFeedback");
    } else {
        return false;
    }
    return true;
}
 

/**
 * Handles menu item selection and keyboard shortcuts.
 *
 * @param id The ID of the selected menu item (defined in main_menu.xml) or
 *           keyboard shortcut (defined in values.xml).
 * @param fromMenu Whether this was triggered from the menu.
 * @return Whether the action was handled.
 */
public boolean onMenuOrKeyboardAction(int id, boolean fromMenu) {
    if (id == R.id.preferences_id) {
        PreferencesLauncher.launchSettingsPage(this, null);
        RecordUserAction.record("MobileMenuSettings");
    } else if (id == R.id.show_menu) {
        showAppMenuForKeyboardEvent();
    }

    if (id == R.id.update_menu_id) {
        UpdateMenuItemHelper.getInstance().onMenuItemClicked(this);
        return true;
    }

    // All the code below assumes currentTab is not null, so return early if it is null.
    final Tab currentTab = getActivityTab();
    if (currentTab == null) {
        return false;
    } else if (id == R.id.forward_menu_id) {
        if (currentTab.canGoForward()) {
            currentTab.goForward();
            RecordUserAction.record("MobileMenuForward");
            RecordUserAction.record("MobileTabClobbered");
        }
    } else if (id == R.id.bookmark_this_page_id) {
        addOrEditBookmark(currentTab);
        RecordUserAction.record("MobileMenuAddToBookmarks");
    } else if (id == R.id.offline_page_id) {
        DownloadUtils.downloadOfflinePage(this, currentTab);
        RecordUserAction.record("MobileMenuDownloadPage");
    } else if (id == R.id.reload_menu_id) {
        if (currentTab.isLoading()) {
            currentTab.stopLoading();
            RecordUserAction.record("MobileMenuStop");
        } else {
            currentTab.reload();
            RecordUserAction.record("MobileMenuReload");
        }
    } else if (id == R.id.info_menu_id) {
        WebsiteSettingsPopup.show(
                this, currentTab, null, WebsiteSettingsPopup.OPENED_FROM_MENU);
    } else if (id == R.id.open_history_menu_id) {
        currentTab.loadUrl(
                new LoadUrlParams(UrlConstants.HISTORY_URL, PageTransition.AUTO_TOPLEVEL));
        RecordUserAction.record("MobileMenuHistory");
        StartupMetrics.getInstance().recordOpenedHistory();
    } else if (id == R.id.share_menu_id || id == R.id.direct_share_menu_id) {
        onShareMenuItemSelected(id == R.id.direct_share_menu_id,
                getCurrentTabModel().isIncognito());
    } else if (id == R.id.print_id) {
        PrintingController printingController = PrintingControllerImpl.getInstance();
        if (printingController != null && !printingController.isBusy()
                && PrefServiceBridge.getInstance().isPrintingEnabled()) {
            printingController.startPrint(new TabPrinter(currentTab),
                    new PrintManagerDelegateImpl(this));
            RecordUserAction.record("MobileMenuPrint");
        }
    } else if (id == R.id.add_to_homescreen_id) {
        AddToHomescreenManager addToHomescreenManager =
                new AddToHomescreenManager(this, currentTab);
        addToHomescreenManager.start();
        RecordUserAction.record("MobileMenuAddToHomescreen");
    } else if (id == R.id.request_desktop_site_id) {
        final boolean reloadOnChange = !currentTab.isNativePage();
        final boolean usingDesktopUserAgent = currentTab.getUseDesktopUserAgent();
        currentTab.setUseDesktopUserAgent(!usingDesktopUserAgent, reloadOnChange);
        RecordUserAction.record("MobileMenuRequestDesktopSite");
    } else if (id == R.id.reader_mode_prefs_id) {
        if (currentTab.getWebContents() != null) {
            RecordUserAction.record("DomDistiller_DistilledPagePrefsOpened");
            AlertDialog.Builder builder =
                    new AlertDialog.Builder(this, R.style.AlertDialogTheme);
            builder.setView(DistilledPagePrefsView.create(this));
            builder.show();
        }
    } else if (id == R.id.help_id) {
        // Since reading back the compositor is asynchronous, we need to do the readback
        // before starting the GoogleHelp.
        String helpContextId = HelpAndFeedback.getHelpContextIdFromUrl(
                this, currentTab.getUrl(), getCurrentTabModel().isIncognito());
        HelpAndFeedback.getInstance(this)
                .show(this, helpContextId, currentTab.getProfile(), currentTab.getUrl());
        RecordUserAction.record("MobileMenuFeedback");
    } else {
        return false;
    }
    return true;
}
 

/**
 * Loads the current tab with the given load params while taking client
 * referrer and extra headers into account.
 */
private void loadUrlInTab(final Tab tab, final LoadUrlParams params, long timeStamp) {
    Intent intent = getIntent();
    String url = getUrlToLoad();

    // Caching isFirstLoad value to deal with multiple return points.
    boolean isFirstLoad = mIsFirstLoad;
    mIsFirstLoad = false;

    // The following block is a hack that deals with urls preloaded with
    // the wrong fragment. Does an extra pageload and replaces history.
    if (mHasSpeculated && isFirstLoad
            && UrlUtilities.urlsFragmentsDiffer(mSpeculatedUrl, url)) {
        if (mUsingPrerender) {
            LoadUrlParams temporaryParams = new LoadUrlParams(mSpeculatedUrl);
            IntentHandler.addReferrerAndHeaders(temporaryParams, intent);
            tab.loadUrl(temporaryParams);
        }
        params.setShouldReplaceCurrentEntry(true);
    }

    mTabObserver.trackNextPageLoadFromTimestamp(tab, timeStamp);

    // Manually generating metrics in case the hidden tab has completely finished loading.
    if (mUsingHiddenTab && !tab.isLoading() && !tab.isShowingErrorPage()) {
        mTabObserver.onPageLoadStarted(tab, params.getUrl());
        mTabObserver.onPageLoadFinished(tab);
    }

    // No actual load to do if tab already has the exact correct url.
    if (TextUtils.equals(mSpeculatedUrl, params.getUrl()) && mUsingHiddenTab && isFirstLoad) {
        return;
    }

    IntentHandler.addReferrerAndHeaders(params, intent);
    if (params.getReferrer() == null) {
        params.setReferrer(CustomTabsConnection.getInstance(getApplication())
                .getReferrerForSession(mSession));
    }
    // See ChromeTabCreator#getTransitionType(). This marks the navigation chain as starting
    // from an external intent (unless otherwise specified by an extra in the intent).
    params.setTransitionType(IntentHandler.getTransitionTypeFromIntent(intent,
            PageTransition.LINK | PageTransition.FROM_API));
    tab.loadUrl(params);
}