@Override public Tab createFrozenTab(TabState state, int id, int index) { ChromeTab tab = ChromeTab.createFrozenTabFromState( id, mActivity, state.isIncognito(), mNativeWindow, state.parentId, state); boolean selectTab = mOrderController.willOpenInForeground(TabLaunchType.FROM_RESTORE, state.isIncognito()); tab.initialize(null, mTabContentManager, !selectTab); assert state.isIncognito() == mIncognito; mTabModel.addTab(tab, index, TabLaunchType.FROM_RESTORE); return tab; }
/** * Opens the specified URL into a tab, potentially reusing a tab. Typically if a user opens * several link from the same application, we reuse the same tab so as to not open too many tabs. * * @param url the URL to open * @param referer The referer url if provided, null otherwise. * @param headers HTTP headers to send alongside the URL. * @param appId the ID of the application that triggered that URL navigation. * @param forceNewTab whether the URL should be opened in a new tab. If false, an existing tab * already opened by the same app will be reused. * @param intent the source of url if it isn't null. * @param intentTimestamp the time the intent was received. * @return the tab the URL was opened in, could be a new tab or a reused one. */ public Tab launchUrlFromExternalApp( String url, String referer, String headers, String appId, boolean forceNewTab, Intent intent, long intentTimestamp) { assert !mIncognito; boolean isLaunchedFromChrome = TextUtils.equals(appId, mActivity.getPackageName()); if (forceNewTab && !isLaunchedFromChrome) { // We don't associate the tab with that app ID, as it is assumed that if the // application wanted to open this tab as a new tab, it probably does not want it // reused either. LoadUrlParams loadUrlParams = new LoadUrlParams(url); loadUrlParams.setIntentReceivedTimestamp(intentTimestamp); loadUrlParams.setVerbatimHeaders(headers); if (referer != null) { loadUrlParams.setReferrer(new Referrer(referer, Referrer.REFERRER_POLICY_DEFAULT)); } return createNewTab(loadUrlParams, TabLaunchType.FROM_EXTERNAL_APP, null, intent); } if (appId == null) { // If we have no application ID, we use a made-up one so that these tabs can be // reused. appId = TabModelImpl.UNKNOWN_APP_ID; } // Let's try to find an existing tab that was started by that app. for (int i = 0; i < mTabModel.getCount(); i++) { Tab tab = mTabModel.getTabAt(i); if (appId.equals(tab.getAppAssociatedWith())) { // We don't reuse the tab, we create a new one at the same index instead. // Reusing a tab would require clearing the navigation history and clearing the // contents (we would not want the previous content to show). LoadUrlParams loadUrlParams = new LoadUrlParams(url); loadUrlParams.setIntentReceivedTimestamp(intentTimestamp); ChromeTab newTab = createNewTab(loadUrlParams, TabLaunchType.FROM_EXTERNAL_APP, null, i, intent); newTab.setAppAssociatedWith(appId); mTabModel.closeTab(tab, false, false, false); return newTab; } } // No tab for that app, we'll have to create a new one. Tab tab = launchUrl(url, TabLaunchType.FROM_EXTERNAL_APP, intent, intentTimestamp); tab.setAppAssociatedWith(appId); return tab; }
@Override public ChromeTab createTabWithWebContents( WebContents webContents, int parentId, TabLaunchType type, String url) { TabModel model = mTabModel; // The parent tab was already closed. Do not open child tabs. if (model.isClosurePending(parentId)) return null; int index = TabModelUtils.getTabIndexById(model, parentId); // If we have a valid parent index increment by one so we add this tab directly after // the parent tab. if (index >= 0) index++; boolean selectTab = mOrderController.willOpenInForeground(type, mIncognito); ChromeTab tab = ChromeTab.createLiveTab( Tab.INVALID_TAB_ID, mActivity, mIncognito, mNativeWindow, type, parentId, !selectTab); tab.initialize(webContents, mTabContentManager, !selectTab); model.addTab(tab, index, type); return tab; }
/** Triggered when the selected tab has changed. */ private void refreshSelectedTab() { ChromeTab tab = null; if (mPreselectedTabId != Tab.INVALID_TAB_ID) { tab = ChromeTab.fromTab(mTabModelSelector.getTabById(mPreselectedTabId)); } if (tab == null) tab = ChromeTab.fromTab(mTabModelSelector.getCurrentTab()); boolean wasIncognito = mToolbarModel.isIncognito(); ChromeTab previousTab = ChromeTab.fromTab(mToolbarModel.getTab()); boolean isIncognito = tab != null ? tab.isIncognito() : mTabModelSelector.isIncognitoSelected(); mToolbarModel.setTab(tab, isIncognito); updateCurrentTabDisplayStatus(); if (previousTab != tab || wasIncognito != isIncognito) { if (previousTab != tab) { if (previousTab != null) previousTab.removeObserver(mTabObserver); if (tab != null) tab.addObserver(mTabObserver); } int defaultPrimaryColor = isIncognito ? mToolbar.getResources().getColor(R.color.incognito_primary_color) : mToolbar.getResources().getColor(R.color.default_primary_color); int primaryColor = (tab != null && tab.getWebContents() != null) ? tab.getWebContents().getThemeColor(defaultPrimaryColor) : defaultPrimaryColor; updatePrimaryColor(primaryColor); mToolbar.onTabOrModelChanged(); if (tab != null && tab.getWebContents() != null && tab.getWebContents().isLoadingToDifferentDocument()) { mToolbar.onNavigatedToDifferentPage(); } } Profile profile = mTabModelSelector.getModel(isIncognito).getProfile(); if (mCurrentProfile != profile) { if (mBookmarksBridge != null) mBookmarksBridge.destroy(); mBookmarksBridge = new BookmarksBridge(profile); mBookmarksBridge.addObserver(mBookmarksObserver); mLocationBar.setAutocompleteProfile(profile); mCurrentProfile = profile; } }
/** * Creates a new tab and posts to UI. * * @param loadUrlParams parameters of the url load. * @param type Information about how the tab was launched. * @param parent the parent tab, if present. * @param position the requested position (index in the tab model) * @param intent the source of the url if it isn't null. * @return The new tab. */ public ChromeTab createNewTab( LoadUrlParams loadUrlParams, TabModel.TabLaunchType type, Tab parent, int position, Intent intent) { try { TraceEvent.begin("ChromeTabCreator.createNewTab"); int parentId = parent != null ? parent.getId() : Tab.INVALID_TAB_ID; WebContents webContents = IntentHandler.getWebContentsFromIntent(intent); boolean isWebContentsPaused = false; if (webContents != null) { // The WebContents comes with additional data, but it shouldn't be used if the // WebContents itself couldn't be parsed out. parentId = IntentUtils.safeGetIntExtra( intent, IntentHandler.EXTRA_PARENT_TAB_ID, Tab.INVALID_TAB_ID); isWebContentsPaused = IntentUtils.safeGetBooleanExtra(intent, IntentHandler.EXTRA_WEB_CONTENTS_PAUSED, false); } // Sanitize the url. loadUrlParams.setUrl(UrlUtilities.fixupUrl(loadUrlParams.getUrl())); loadUrlParams.setTransitionType(getTransitionType(type)); boolean openInForeground = mOrderController.willOpenInForeground(type, mIncognito) || webContents != null; ChromeTab tab; if (webContents != null) { tab = ChromeTab.createLiveTab( Tab.INVALID_TAB_ID, mActivity, mIncognito, mNativeWindow, type, parentId, !openInForeground); tab.initialize(webContents, mTabContentManager, !openInForeground); tab.getTabRedirectHandler().updateIntent(intent); if (isWebContentsPaused) webContents.resumeLoadingCreatedWebContents(); } else if (!openInForeground && SysUtils.isLowEndDevice()) { // On low memory devices the tabs opened in background are not loaded automatically // to preserve resources (cpu, memory, strong renderer binding) for the foreground // tab. tab = ChromeTab.createTabForLazyLoad( mActivity, mIncognito, mNativeWindow, type, parentId, loadUrlParams); tab.initialize(null, mTabContentManager, !openInForeground); mTabSaver.addTabToSaveQueue(tab); tab.getTabRedirectHandler().updateIntent(intent); } else { tab = ChromeTab.createLiveTab( Tab.INVALID_TAB_ID, mActivity, mIncognito, mNativeWindow, type, parentId, !openInForeground); webContents = WarmupManager.getInstance().hasPrerenderedUrl(loadUrlParams.getUrl()) ? WarmupManager.getInstance().takePrerenderedWebContents() : null; tab.initialize(webContents, mTabContentManager, !openInForeground); tab.getTabRedirectHandler().updateIntent(intent); tab.loadUrl(loadUrlParams); } if (intent != null && intent.hasExtra(ServiceTabLauncher.LAUNCH_REQUEST_ID_EXTRA)) { ServiceTabLauncher.onWebContentsForRequestAvailable( intent.getIntExtra(ServiceTabLauncher.LAUNCH_REQUEST_ID_EXTRA, 0), tab.getWebContents()); } mTabModel.addTab(tab, position, type); return tab; } finally { TraceEvent.end("ChromeTabCreator.createNewTab"); } }
@Override public ChromeTab getCurrentTab() { return ChromeTab.fromTab(getToolbarDataProvider().getTab()); }
/** * Creates a frozen Tab. This Tab is not meant to be used or unfrozen -- it is only used as a * placeholder until the real Tab can be created. The index is ignored in DocumentMode because * Android handles the ordering of Tabs. */ @Override public Tab createFrozenTab(TabState state, int id, int index) { return ChromeTab.createFrozenTabFromState( id, null, state.isIncognito(), null, Tab.INVALID_TAB_ID, state); }