Breaking out search box display logic into a ui model

app/src/main/java/acr/browser/lightning/activity/BrowserActivity.java

@@ -95,6 +95,7 @@ import acr.browser.lightning.app.BrowserApp;
 import acr.browser.lightning.browser.BookmarksView;
 import acr.browser.lightning.browser.BrowserPresenter;
 import acr.browser.lightning.browser.BrowserView;
+import acr.browser.lightning.browser.SearchBoxModel;
 import acr.browser.lightning.browser.TabsView;
 import acr.browser.lightning.constant.Constants;
 import acr.browser.lightning.constant.DownloadsPage;
@@ -189,6 +190,8 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
 
     @Inject LightningDialogBuilder mBookmarksDialogBuilder;
 
+    @Inject SearchBoxModel mSearchBoxModel;
+
     private TabsManager mTabsManager;
 
     // Image
@@ -510,7 +513,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
             final LightningView currentView = mTabsManager.getCurrentTab();
             if (!hasFocus && currentView != null) {
                 setIsLoading(currentView.getProgress() < 100);
-                updateUrl(currentView.getUrl(), true);
+                updateUrl(currentView.getUrl(), false);
             } else if (hasFocus && currentView != null) {
 
                 // Hack to make sure the text gets selected
@@ -1112,7 +1115,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
     }
 
     @Override
-    public void showBlockedLocalFileDialog(DialogInterface.OnClickListener listener) {
+    public void showBlockedLocalFileDialog(@NonNull DialogInterface.OnClickListener listener) {
         AlertDialog.Builder builder = new AlertDialog.Builder(this);
         Dialog dialog = builder.setCancelable(true)
             .setTitle(R.string.title_warning)
@@ -1534,36 +1537,16 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
     }
 
     @Override
-    public void updateUrl(@Nullable String url, boolean shortUrl) {
+    public void updateUrl(@Nullable String url, boolean isLoading) {
         if (url == null || mSearch == null || mSearch.hasFocus()) {
             return;
         }
         final LightningView currentTab = mTabsManager.getCurrentTab();
         mBookmarksView.handleUpdatedUrl(url);
-        if (shortUrl && !UrlUtils.isSpecialUrl(url)) {
-            switch (mPreferences.getUrlBoxContentChoice()) {
-                case 0: // Default, show only the domain
-                    url = url.replaceFirst(Constants.HTTP, "");
-                    url = Utils.getDomainName(url);
-                    mSearch.setText(url);
-                    break;
-                case 1: // URL, show the entire URL
-                    mSearch.setText(url);
-                    break;
-                case 2: // Title, show the page's title
-                    if (currentTab != null && !currentTab.getTitle().isEmpty()) {
-                        mSearch.setText(currentTab.getTitle());
-                    } else {
-                        mSearch.setText(mUntitledTitle);
-                    }
-                    break;
-            }
-        } else {
-            if (UrlUtils.isSpecialUrl(url)) {
-                url = "";
-            }
-            mSearch.setText(url);
-        }
+
+        String currentTitle = currentTab != null ? currentTab.getTitle() : null;
+
+        mSearch.setText(mSearchBoxModel.getDisplayContent(url, currentTitle, isLoading));
     }
 
     @Override

app/src/main/java/acr/browser/lightning/app/AppComponent.java

@@ -8,11 +8,11 @@ import acr.browser.lightning.activity.TabsManager;
 import acr.browser.lightning.activity.ThemableBrowserActivity;
 import acr.browser.lightning.activity.ThemableSettingsActivity;
 import acr.browser.lightning.browser.BrowserPresenter;
+import acr.browser.lightning.browser.SearchBoxModel;
 import acr.browser.lightning.constant.BookmarkPage;
 import acr.browser.lightning.constant.DownloadsPage;
 import acr.browser.lightning.constant.HistoryPage;
 import acr.browser.lightning.constant.StartPage;
-import acr.browser.lightning.database.history.HistoryDatabase;
 import acr.browser.lightning.dialog.LightningDialogBuilder;
 import acr.browser.lightning.download.DownloadHandler;
 import acr.browser.lightning.download.LightningDownloadListener;
@@ -83,6 +83,6 @@ public interface AppComponent {
 
     void inject(DownloadHandler downloadHandler);
 
-    HistoryDatabase historyDatabase();
+    void inject(SearchBoxModel searchBoxModel);
 
 }

app/src/main/java/acr/browser/lightning/browser/BrowserPresenter.java

@@ -121,7 +121,7 @@ public class BrowserPresenter {
                 mView.updateProgress(newTab.getProgress());
                 mView.setBackButtonEnabled(newTab.canGoBack());
                 mView.setForwardButtonEnabled(newTab.canGoForward());
-                mView.updateUrl(newTab.getUrl(), true);
+                mView.updateUrl(newTab.getUrl(), false);
                 mView.setTabView(newTab.getWebView());
                 int index = mTabsModel.indexOfTab(newTab);
                 if (index >= 0) {

app/src/main/java/acr/browser/lightning/browser/BrowserView.java

@@ -2,6 +2,7 @@ package acr.browser.lightning.browser;
 
 import android.content.DialogInterface;
 import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import android.support.annotation.StringRes;
 import android.view.View;
 
@@ -11,7 +12,7 @@ public interface BrowserView {
 
     void removeTabView();
 
-    void updateUrl(String url, boolean shortUrl);
+    void updateUrl(@Nullable String url, boolean isLoading);
 
     void updateProgress(int progress);
 
@@ -21,7 +22,7 @@ public interface BrowserView {
 
     void closeActivity();
 
-    void showBlockedLocalFileDialog(DialogInterface.OnClickListener listener);
+    void showBlockedLocalFileDialog(@NonNull DialogInterface.OnClickListener listener);
 
     void showSnackbar(@StringRes int resource);
 

app/src/main/java/acr/browser/lightning/browser/SearchBoxModel.java

@@ -0,0 +1,71 @@
+package acr.browser.lightning.browser;
+
+import android.app.Application;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.text.TextUtils;
+
+import javax.inject.Inject;
+
+import acr.browser.lightning.R;
+import acr.browser.lightning.app.BrowserApp;
+import acr.browser.lightning.preference.PreferenceManager;
+import acr.browser.lightning.utils.UrlUtils;
+import acr.browser.lightning.utils.Utils;
+
+/**
+ * A UI model for the search box.
+ */
+public class SearchBoxModel {
+
+    @Inject PreferenceManager mPreferences;
+    @Inject Application mApplication;
+
+    @NonNull private final String mUntitledTitle;
+
+    @Inject
+    public SearchBoxModel() {
+        BrowserApp.getAppComponent().inject(this);
+        mUntitledTitle = mApplication.getString(R.string.untitled);
+    }
+
+    /**
+     * Returns the contents of the search box based on a variety of factors.
+     * <li>
+     * <ul>The user's preference to show either the URL, domain, or page title</ul>
+     * <ul>Whether or not the current page is loading</ul>
+     * <ul>Whether or not the current page is a Lightning generated page.</ul>
+     * </li>
+     * This method uses the URL, title, and loading information to determine what
+     * should be displayed by the search box.
+     *
+     * @param url       the URL of the current page.
+     * @param title     the title of the current page, if known.
+     * @param isLoading whether the page is currently loading or not.
+     * @return the string that should be displayed by the search box.
+     */
+    @NonNull
+    public String getDisplayContent(@NonNull String url, @Nullable String title, boolean isLoading) {
+        if (UrlUtils.isSpecialUrl(url)) {
+            return "";
+        } else if (isLoading) {
+            return url;
+        } else {
+            switch (mPreferences.getUrlBoxContentChoice()) {
+                default:
+                case 0: // Default, show only the domain
+                    String domain = Utils.getDomainName(url);
+                    return domain != null ? domain : url;
+                case 1: // URL, show the entire URL
+                    return url;
+                case 2: // Title, show the page's title
+                    if (!TextUtils.isEmpty(title)) {
+                        return title;
+                    } else {
+                        return mUntitledTitle;
+                    }
+            }
+        }
+    }
+
+}

app/src/main/java/acr/browser/lightning/controller/UIController.java

@@ -28,7 +28,7 @@ public interface UIController {
 
     boolean getUseDarkTheme();
 
-    void updateUrl(@Nullable String title, boolean shortUrl);
+    void updateUrl(@Nullable String title, boolean isLoading);
 
     void updateProgress(int n);
 

app/src/main/java/acr/browser/lightning/view/LightningWebClient.java

@@ -102,7 +102,7 @@ public class LightningWebClient extends WebViewClient {
     @Override
     public void onPageFinished(@NonNull WebView view, String url) {
         if (view.isShown()) {
-            mUIController.updateUrl(url, true);
+            mUIController.updateUrl(url, false);
             mUIController.setBackButtonEnabled(view.canGoBack());
             mUIController.setForwardButtonEnabled(view.canGoForward());
             view.postInvalidate();
@@ -123,7 +123,7 @@ public class LightningWebClient extends WebViewClient {
     public void onPageStarted(WebView view, String url, Bitmap favicon) {
         mLightningView.getTitleInfo().setFavicon(null);
         if (mLightningView.isShown()) {
-            mUIController.updateUrl(url, false);
+            mUIController.updateUrl(url, true);
             mUIController.showActionBar();
         }
         mUIController.tabChanged(mLightningView);