Navigation drawer (squashed and rebased).

2026-02-12 10:49:06 +01:00 · 2016-01-13 21:25:01 +01:00
parent d33dbca25a
commit dae29eecce
26 changed files with 1260 additions and 637 deletions
--- a/briar-android/src/org/briarproject/android/BriarFragmentActivity.java
+++ b/briar-android/src/org/briarproject/android/BriarFragmentActivity.java
@@ -0,0 +1,102 @@
+package org.briarproject.android;
+
+import android.app.AlertDialog;
+import android.support.annotation.AnimRes;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentTransaction;
+import android.support.v7.app.ActionBar;
+
+import org.briarproject.R;
+import org.briarproject.android.fragment.BaseFragment;
+import org.briarproject.android.contact.ContactListFragment;
+import org.briarproject.android.fragment.DashboardFragment;
+import org.briarproject.android.forum.ForumListFragment;
+import org.briarproject.android.fragment.SettingsFragment;
+
+/**
+ * This class should be extended by classes that wish to utilise fragments in
+ * Briar, it encapsulates all fragment related code.
+ */
+public abstract class BriarFragmentActivity extends BriarActivity {
+
+	private void updateToolbarTitle(String fragmentTag) {
+		ActionBar actionBar = getSupportActionBar();
+		if (actionBar == null)
+			return;
+
+		if (fragmentTag.equals(DashboardFragment.TAG)) {
+			actionBar.setTitle(R.string.dashboard_toolbar_header);
+		} else if (fragmentTag.equals(SettingsFragment.TAG)) {
+			actionBar.setTitle(R.string.settings_toolbar_header);
+		} else if (fragmentTag.equals(ContactListFragment.TAG)) {
+			actionBar.setTitle(R.string.contacts_toolbar_header);
+		} else if (fragmentTag.equals(ForumListFragment.TAG)) {
+			actionBar.setTitle(R.string.forums_toolbar_header);
+		}
+	}
+
+	protected void clearBackStack() {
+		getSupportFragmentManager()
+				.popBackStackImmediate(
+						null,
+						FragmentManager.POP_BACK_STACK_INCLUSIVE
+				);
+	}
+
+	@Override
+	public void onBackPressed() {
+		if (getSupportFragmentManager().getBackStackEntryCount() == 0 &&
+				getSupportFragmentManager()
+						.findFragmentByTag(ContactListFragment.TAG) == null) {
+			/*
+			This Makes sure that the first fragment (ContactListFragment) the
+			user sees is the same as the last fragment the user sees before
+			exiting. This models the typical Google navigation behaviour such
+			as in Gmail/Inbox.
+			 */
+			startFragment(ContactListFragment.newInstance());
+
+		} else {
+			super.onBackPressed();
+		}
+	}
+
+	protected void startFragment(BaseFragment fragment) {
+		if (getSupportFragmentManager().getBackStackEntryCount() == 0)
+			this.startFragment(fragment, false);
+		else
+			this.startFragment(fragment, true);
+	}
+
+	protected void showMessageDialog(int titleStringId, int msgStringId) {
+		// TODO replace with custom dialog fragment ?
+		AlertDialog.Builder builder = new AlertDialog.Builder(this);
+		builder.setTitle(titleStringId);
+		builder.setMessage(msgStringId);
+		builder.setPositiveButton(R.string.dialog_button_ok, null);
+		AlertDialog dialog = builder.create();
+		dialog.show();
+	}
+
+	protected void startFragment(BaseFragment fragment,
+			boolean isAddedToBackStack) {
+		this.startFragment(fragment, 0, 0, isAddedToBackStack);
+	}
+
+	protected void startFragment(BaseFragment fragment,
+			@AnimRes int inAnimation, @AnimRes int outAnimation,
+			boolean isAddedToBackStack) {
+		FragmentTransaction trans =
+				getSupportFragmentManager().beginTransaction();
+		if (inAnimation != 0 && outAnimation != 0) {
+			trans.setCustomAnimations(inAnimation, 0, 0, outAnimation);
+		}
+		trans.replace(R.id.content_fragment, fragment, fragment.getUniqueTag());
+		if (isAddedToBackStack) {
+			trans.addToBackStack(fragment.getUniqueTag());
+		}
+		trans.commit();
+		updateToolbarTitle(fragment.getUniqueTag());
+	}
+
+}