Added controller presenting

Clover/app/src/main/java/org/floens/chan/controller/Controller.java

@@ -21,7 +21,9 @@ import android.content.Context;
 import android.content.res.Configuration;
 import android.view.LayoutInflater;
 import android.view.View;
+import android.view.ViewGroup;
 
+import org.floens.chan.ui.activity.BoardActivity;
 import org.floens.chan.ui.toolbar.NavigationItem;
 
 public abstract class Controller {
@@ -29,9 +31,14 @@ public abstract class Controller {
     public View view;
 
     public NavigationItem navigationItem = new NavigationItem();
-    public Controller previousSibling;
+
+    // NavigationControllers members
+    public Controller previousSiblingController;
     public NavigationController navigationController;
 
+    // Controller (for presenting) members
+    public Controller presentingController;
+
     public Controller(Context context) {
         this.context = context;
     }
@@ -60,7 +67,32 @@ public abstract class Controller {
     }
 
     public void presentController(Controller controller) {
+        ViewGroup contentView = ((BoardActivity) context).getContentView();
+        controller.presentingController = this;
+
+        ControllerTransition transition = new FadeInTransition();
+        transition.setCallback(new ControllerTransition.Callback() {
+            @Override
+            public void onControllerTransitionCompleted(ControllerTransition transition) {
+                ControllerLogic.finishTransition(transition);
+            }
+        });
+        ControllerLogic.startTransition(null, controller, false, true, contentView, transition);
+        ((BoardActivity) context).addController(controller);
+    }
+
+    public void stopPresenting() {
+        ViewGroup contentView = ((BoardActivity) context).getContentView();
 
+        ControllerTransition transition = new FadeOutTransition();
+        transition.setCallback(new ControllerTransition.Callback() {
+            @Override
+            public void onControllerTransitionCompleted(ControllerTransition transition) {
+                ControllerLogic.finishTransition(transition);
+            }
+        });
+        ControllerLogic.startTransition(this, null, true, false, contentView, transition);
+        ((BoardActivity) context).removeController(Controller.this);
     }
 
     public View inflateRes(int resId) {

Clover/app/src/main/java/org/floens/chan/controller/ControllerLogic.java

@@ -21,13 +21,15 @@ public class ControllerLogic {
         AndroidUtils.removeFromParentView(controller.view);
     }
 
-    public static void transition(Controller from, Controller to, boolean destroyFrom, boolean createTo, ViewGroup toView, boolean viewOver) {
-        if (createTo) {
-            to.onCreate();
-        }
+    public static void transition(Controller from, Controller to, boolean destroyFrom, boolean createTo, ViewGroup toView) {
+        if (to != null) {
+            if (createTo) {
+                to.onCreate();
+            }
 
-        attach(to, toView, viewOver);
-        to.onShow();
+            attach(to, toView, true);
+            to.onShow();
+        }
 
         if (from != null) {
             from.onHide();
@@ -39,17 +41,19 @@ public class ControllerLogic {
         }
     }
 
-    public static void startTransition(Controller from, Controller to, boolean destroyFrom, boolean createTo, ViewGroup toView, boolean viewOver, ControllerTransition transition) {
+    public static void startTransition(Controller from, Controller to, boolean destroyFrom, boolean createTo, ViewGroup toView, ControllerTransition transition) {
         transition.destroyFrom = destroyFrom;
         transition.from = from;
         transition.to = to;
 
-        if (createTo) {
-            to.onCreate();
-        }
+        if (to != null) {
+            if (createTo) {
+                to.onCreate();
+            }
 
-        attach(to, toView, viewOver);
-        to.onShow();
+            attach(to, toView, transition.viewOver);
+            to.onShow();
+        }
 
         transition.perform();
     }

Clover/app/src/main/java/org/floens/chan/controller/ControllerTransition.java

@@ -23,7 +23,7 @@ public abstract class ControllerTransition {
     public Controller from;
     public Controller to;
     public boolean destroyFrom;
-    public boolean viewOver;
+    public boolean viewOver = true;
 
     public abstract void perform();
 

Clover/app/src/main/java/org/floens/chan/controller/FadeInTransition.java

@@ -0,0 +1,28 @@
+package org.floens.chan.controller;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.AnimatorSet;
+import android.animation.ObjectAnimator;
+import android.view.View;
+import android.view.animation.DecelerateInterpolator;
+
+public class FadeInTransition extends ControllerTransition {
+    @Override
+    public void perform() {
+        Animator toAlpha = ObjectAnimator.ofFloat(to.view, View.ALPHA, 0f, 1f);
+        toAlpha.setDuration(200);
+        toAlpha.setInterpolator(new DecelerateInterpolator(2f));
+
+        toAlpha.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                onCompleted();
+            }
+        });
+
+        AnimatorSet set = new AnimatorSet();
+        set.playTogether(toAlpha);
+        set.start();
+    }
+}

Clover/app/src/main/java/org/floens/chan/controller/FadeOutTransition.java

@@ -0,0 +1,28 @@
+package org.floens.chan.controller;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.AnimatorSet;
+import android.animation.ObjectAnimator;
+import android.view.View;
+import android.view.animation.DecelerateInterpolator;
+
+public class FadeOutTransition extends ControllerTransition {
+    @Override
+    public void perform() {
+        Animator toAlpha = ObjectAnimator.ofFloat(from.view, View.ALPHA, 1f, 0f);
+        toAlpha.setDuration(200);
+        toAlpha.setInterpolator(new DecelerateInterpolator(2f));
+
+        toAlpha.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                onCompleted();
+            }
+        });
+
+        AnimatorSet set = new AnimatorSet();
+        set.playTogether(toAlpha);
+        set.start();
+    }
+}

Clover/app/src/main/java/org/floens/chan/controller/NavigationController.java

@@ -58,7 +58,7 @@ public abstract class NavigationController extends Controller implements Control
 
         final Controller from = controllerList.size() > 0 ? controllerList.get(controllerList.size() - 1) : null;
         to.navigationController = this;
-        to.previousSibling = from;
+        to.previousSiblingController = from;
 
         controllerList.add(to);
 
@@ -67,10 +67,10 @@ public abstract class NavigationController extends Controller implements Control
             this.controllerTransition = controllerTransition;
             controllerTransition.setCallback(this);
 
-            ControllerLogic.startTransition(from, to, false, true, container, true, controllerTransition);
+            ControllerLogic.startTransition(from, to, false, true, container, controllerTransition);
             toolbar.setNavigationItem(true, true, to.navigationItem);
         } else {
-            ControllerLogic.transition(from, to, false, true, container, true);
+            ControllerLogic.transition(from, to, false, true, container);
             toolbar.setNavigationItem(false, true, to.navigationItem);
         }
 
@@ -104,10 +104,10 @@ public abstract class NavigationController extends Controller implements Control
             this.controllerTransition = controllerTransition;
             controllerTransition.setCallback(this);
 
-            ControllerLogic.startTransition(from, to, true, false, container, false, controllerTransition);
+            ControllerLogic.startTransition(from, to, true, false, container, controllerTransition);
             toolbar.setNavigationItem(true, false, to.navigationItem);
         } else {
-            ControllerLogic.transition(from, to, true, false, container, false);
+            ControllerLogic.transition(from, to, true, false, container);
             toolbar.setNavigationItem(false, false, to.navigationItem);
         }
 

Clover/app/src/main/java/org/floens/chan/controller/PopControllerTransition.java

@@ -26,6 +26,10 @@ import android.view.animation.AccelerateInterpolator;
 import android.view.animation.DecelerateInterpolator;
 
 public class PopControllerTransition extends ControllerTransition {
+    public PopControllerTransition() {
+        viewOver = false;
+    }
+
     @Override
     public void perform() {
         Animator toAlpha = ObjectAnimator.ofFloat(to.view, View.ALPHA, to.view.getAlpha(), 1f);

Clover/app/src/main/java/org/floens/chan/ui/activity/BoardActivity.java

@@ -20,19 +20,27 @@ package org.floens.chan.ui.activity;
 import android.app.Activity;
 import android.content.res.Configuration;
 import android.os.Bundle;
+import android.view.ViewGroup;
 
+import org.floens.chan.controller.Controller;
 import org.floens.chan.ui.controller.BrowseController;
 import org.floens.chan.ui.controller.RootNavigationController;
 import org.floens.chan.utils.ThemeHelper;
 
+import java.util.ArrayList;
+import java.util.List;
+
 /**
- * Not called StartActivity because than the launcher icon would disappear.
- * Instead it's called like the old launcher activity, BoardActivity.
+ * StartActivity
+ * <p/>
+ * (Not actually called StartActivity because then the launcher icon would disappear.
+ * Instead it's called like the old launcher activity, BoardActivity.)
  */
 public class BoardActivity extends Activity {
     private static final String TAG = "StartActivity";
 
-    private RootNavigationController rootNavigationController;
+    private ViewGroup contentView;
+    private List<Controller> stack = new ArrayList<>();
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -40,10 +48,13 @@ public class BoardActivity extends Activity {
 
         ThemeHelper.getInstance().reloadPostViewColors(this);
 
-        rootNavigationController = new RootNavigationController(this);
+        contentView = (ViewGroup) findViewById(android.R.id.content);
+
+        RootNavigationController rootNavigationController = new RootNavigationController(this);
         rootNavigationController.onCreate();
 
         setContentView(rootNavigationController.view);
+        addController(rootNavigationController);
 
         rootNavigationController.pushController(new BrowseController(this), false);
 
@@ -54,19 +65,37 @@ public class BoardActivity extends Activity {
         getWindow().setBackgroundDrawable(null);
     }
 
+    public void addController(Controller controller) {
+        stack.add(controller);
+    }
+
+    public void removeController(Controller controller) {
+        stack.remove(controller);
+    }
+
+    public ViewGroup getContentView() {
+        return contentView;
+    }
+
     @Override
     public void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
-        rootNavigationController.onConfigurationChanged(newConfig);
+        for (Controller controller : stack) {
+            controller.onConfigurationChanged(newConfig);
+        }
     }
 
     @Override
     public void onBackPressed() {
-        if (!rootNavigationController.onBack()) {
+        if (!stackTop().onBack()) {
             super.onBackPressed();
         }
     }
 
+    private Controller stackTop() {
+        return stack.get(stack.size() - 1);
+    }
+
     /*
     @Override
     protected void onCreate(Bundle savedInstanceState) {

Clover/app/src/main/java/org/floens/chan/ui/controller/BrowseController.java

@@ -149,7 +149,8 @@ public class BrowseController extends Controller implements ToolbarMenuItem.Tool
 
     @Override
     public void showImages(List<PostImage> images, int index) {
-
+        ImageViewController imageViewController = new ImageViewController(context);
+        presentController(imageViewController);
     }
 
     @Override

Clover/app/src/main/java/org/floens/chan/ui/controller/ImageViewController.java

@@ -0,0 +1,39 @@
+package org.floens.chan.ui.controller;
+
+import android.content.Context;
+import android.view.View;
+import android.widget.Button;
+
+import org.floens.chan.R;
+import org.floens.chan.controller.Controller;
+
+public class ImageViewController extends Controller implements View.OnClickListener {
+    private Button button;
+
+    public ImageViewController(Context context) {
+        super(context);
+    }
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+
+        view = inflateRes(R.layout.controller_view_image);
+
+        button = (Button) view.findViewById(R.id.button);
+        button.setOnClickListener(this);
+    }
+
+    @Override
+    public boolean onBack() {
+        stopPresenting();
+        return true;
+    }
+
+    @Override
+    public void onClick(View v) {
+        if (v == button) {
+            stopPresenting();
+        }
+    }
+}

Clover/app/src/main/java/org/floens/chan/ui/controller/PassSettingsController.java

@@ -83,7 +83,7 @@ public class PassSettingsController extends Controller implements View.OnClickLi
                 crossfadeView.toggle(true, true);
                 button.setText(R.string.setting_pass_login);
                 hideError();
-                ((PassSettingControllerListener) previousSibling).onPassEnabledChanged(false);
+                ((PassSettingControllerListener) previousSiblingController).onPassEnabledChanged(false);
             } else {
                 auth();
             }
@@ -124,7 +124,7 @@ public class PassSettingsController extends Controller implements View.OnClickLi
                     button.setText(R.string.setting_pass_logout);
                     ChanSettings.passId.set(response.passId);
                     authenticated.setText(response.message);
-                    ((PassSettingControllerListener) previousSibling).onPassEnabledChanged(true);
+                    ((PassSettingControllerListener) previousSiblingController).onPassEnabledChanged(true);
                 }
 
                 button.setEnabled(true);

Clover/app/src/main/java/org/floens/chan/ui/controller/WatchSettingsController.java

@@ -62,7 +62,7 @@ public class WatchSettingsController extends SettingsController implements Compo
     @Override
     public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
         ChanSettings.watchEnabled.set(isChecked);
-        ((WatchSettingControllerListener) previousSibling).onWatchEnabledChanged(isChecked);
+        ((WatchSettingControllerListener) previousSiblingController).onWatchEnabledChanged(isChecked);
         crossfadeView.toggle(isChecked, true);
     }
 

Clover/app/src/main/java/org/floens/chan/ui/view/TouchBlockingFrameLayout.java

@@ -0,0 +1,25 @@
+package org.floens.chan.ui.view;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.widget.FrameLayout;
+
+public class TouchBlockingFrameLayout extends FrameLayout {
+    public TouchBlockingFrameLayout(Context context) {
+        super(context);
+    }
+
+    public TouchBlockingFrameLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public TouchBlockingFrameLayout(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        return true;
+    }
+}

Clover/app/src/main/res/layout/controller_view_image.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<org.floens.chan.ui.view.TouchBlockingFrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="#ffffffff"
+    android:padding="16dp">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Hello, world!"
+            android:textColor="#dd000000"
+            android:textSize="20sp" />
+
+        <Button
+            android:id="@+id/button"
+            android:text="Back"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" />
+
+    </LinearLayout>
+
+</org.floens.chan.ui.view.TouchBlockingFrameLayout>