Stefano Pacifici
9 years ago
2 changed files with 213 additions and 62 deletions
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package acr.browser.lightning.activity; |
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import android.app.Activity; |
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import android.content.Context; |
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import android.support.annotation.Nullable; |
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import android.webkit.WebView; |
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import java.util.ArrayList; |
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import java.util.List; |
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import javax.inject.Inject; |
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import acr.browser.lightning.controller.BrowserController; |
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import acr.browser.lightning.view.LightningView; |
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/** |
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* @author Stefano Pacifici |
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* @date 2015/09/14 |
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*/ |
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public class TabsManager { |
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private final List<LightningView> mWebViewList = new ArrayList<>(); |
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@Inject |
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public TabsManager() { |
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} |
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/** |
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* Return a clone of the current tabs list. The list will not be updated, the user has to fetch |
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* a new copy when notified. |
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* |
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* @return a copy of the current tabs list |
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*/ |
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public List<LightningView> getTabsList() { |
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return new ArrayList<>(mWebViewList); |
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} |
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/** |
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* Return the tab at the given position in tabs list, or null if position is not in tabs list |
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* range. |
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* |
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* @param position the index in tabs list |
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* @return the corespondent {@link LightningView}, or null if the index is invalid |
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*/ |
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@Nullable |
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public LightningView getTabAtPosition(final int position) { |
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if (position < 0 || position >= mWebViewList.size()) { |
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return null; |
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} |
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return mWebViewList.get(position); |
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} |
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/** |
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* Try to low memory pressure |
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*/ |
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public void freeMemory() { |
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for (LightningView tab: mWebViewList) { |
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tab.freeMemory(); |
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} |
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} |
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/** |
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* Shutdown the manager |
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*/ |
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public synchronized void shutdown() { |
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for (LightningView tab: mWebViewList) { |
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tab.onDestroy(); |
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} |
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mWebViewList.clear(); |
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} |
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/** |
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* Resume the tabs |
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* |
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* @param context |
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*/ |
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public synchronized void resume(final Context context) { |
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for (LightningView tab: mWebViewList) { |
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tab.initializePreferences(null, context); |
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} |
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} |
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/** |
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* Forward network connection status to the webviews. |
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* |
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* @param isConnected |
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*/ |
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public synchronized void notifyConnectioneStatus(final boolean isConnected) { |
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for (LightningView tab: mWebViewList) { |
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final WebView webView = tab.getWebView(); |
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if (webView != null) { |
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webView.setNetworkAvailable(isConnected); |
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} |
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} |
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} |
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/** |
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* @return The number of currently opened tabs |
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*/ |
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public int size() { |
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return mWebViewList.size(); |
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} |
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/** |
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* Create and return a new tab. The tab is automatically added to the tabs list. |
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* |
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* @param activity |
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* @param url |
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* @param darkTheme |
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* @param isIncognito |
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* @param controller |
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* @return |
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*/ |
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public synchronized LightningView newTab(final Activity activity, |
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final String url, final boolean darkTheme, |
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final boolean isIncognito, |
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final BrowserController controller) { |
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final LightningView tab = new LightningView(activity, url, darkTheme, isIncognito, controller); |
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mWebViewList.add(tab); |
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return tab; |
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} |
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/** |
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* Remove a tab and return its reference or null if the position is not in tabs range |
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* |
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* @param position The position of the tab to remove |
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* @return The removed tab reference or null |
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*/ |
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@Nullable |
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public synchronized LightningView deleteTab(final int position) { |
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if (position >= mWebViewList.size()) { |
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return null; |
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} |
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final LightningView tab = mWebViewList.remove(position); |
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// TODO This should not be done outside this call
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// tab.onDestroy();
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return tab; |
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} |
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/** |
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* TODO I think it should be removed |
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* Return the position of the given tab |
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* @param tab |
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* @return |
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*/ |
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public int positionOf(final LightningView tab) { |
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return mWebViewList.indexOf(tab); |
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} |
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/** |
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* @return A string representation of the currently opened tabs |
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*/ |
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public String tabsString() { |
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final StringBuilder builder = new StringBuilder(); |
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for (LightningView tab: mWebViewList) { |
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final String url = tab.getUrl(); |
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if (url != null && !url.isEmpty()) { |
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builder.append(url).append("|$|SEPARATOR|$|"); |
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} |
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} |
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return builder.toString(); |
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} |
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/** |
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* TODO Remove this, temporary workaround |
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* @param tab |
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* @return |
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*/ |
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public int getPositionForTab(final LightningView tab) { |
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return mWebViewList.indexOf(tab); |
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} |
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} |
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