Animate tab addition/deletion in recyclerview, change full screen implementation to be simpler

TODO still need to use correct animations for tab addition and removal

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

@@ -57,6 +57,7 @@ import android.view.View.OnLongClickListener;
 import android.view.View.OnTouchListener;
 import android.view.ViewGroup;
 import android.view.ViewGroup.LayoutParams;
+import android.view.ViewTreeObserver;
 import android.view.Window;
 import android.view.WindowManager;
 import android.view.animation.Animation;
@@ -96,6 +97,7 @@ import acr.browser.lightning.R;
 import acr.browser.lightning.app.BrowserApp;
 import acr.browser.lightning.browser.BrowserPresenter;
 import acr.browser.lightning.browser.BrowserView;
+import acr.browser.lightning.browser.TabsView;
 import acr.browser.lightning.bus.BookmarkEvents;
 import acr.browser.lightning.bus.BrowserEvents;
 import acr.browser.lightning.bus.NavigationEvents;
@@ -160,6 +162,9 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
     private AutoCompleteTextView mSearch;
     private ImageView mArrowImage;
 
+    // Current tab view being displayed
+    private View mCurrentView;
+
     // Full Screen Video Views
     private FrameLayout mFullscreenContainer;
     private VideoView mVideoView;
@@ -206,6 +211,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
     private Drawable mDeleteIcon, mRefreshIcon, mClearIcon, mIcon;
 
     private BrowserPresenter mPresenter;
+    private TabsView mTabsView;
 
     // Proxy
     @Inject ProxyUtils mProxyUtils;
@@ -283,6 +289,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         mWebpageBitmap = ThemeUtils.getThemedBitmap(this, R.drawable.ic_webpage, mDarkTheme);
 
         final TabsFragment tabsFragment = new TabsFragment();
+        mTabsView = tabsFragment;
         final int containerId = mShowTabsInDrawer ? R.id.left_drawer : R.id.tabs_toolbar_container;
         final Bundle tabsFragmentArguments = new Bundle();
         tabsFragmentArguments.putBoolean(TabsFragment.IS_INCOGNITO, isIncognito());
@@ -552,31 +559,10 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
             changeToolbarBackground(currentView.getFavicon(), null);
         }
 
-        if (mFullScreen) {
+        mToolbarLayout.setTranslationY(0);
-            mToolbarLayout.setTranslationY(0);
+        mBrowserFrame.setLayoutTransition(new LayoutTransition());
-            int height = mToolbarLayout.getHeight();
+        initializeTabHeight();
-            if (height == 0) {
+        mBrowserFrame.setTranslationY(0);
-                mToolbarLayout.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
-                height = mToolbarLayout.getMeasuredHeight();
-            }
-            if (currentWebView != null)
-                currentWebView.setTranslationY(height);
-            mBrowserFrame.setLayoutTransition(null);
-            if (mBrowserFrame.findViewById(R.id.toolbar_layout) == null) {
-                mUiLayout.removeView(mToolbarLayout);
-                mBrowserFrame.addView(mToolbarLayout);
-                mToolbarLayout.bringToFront();
-            }
-        } else {
-            mToolbarLayout.setTranslationY(0);
-            if (mBrowserFrame.findViewById(R.id.toolbar_layout) != null) {
-                mBrowserFrame.removeView(mToolbarLayout);
-                mUiLayout.addView(mToolbarLayout, 0);
-            }
-            mBrowserFrame.setLayoutTransition(new LayoutTransition());
-            if (currentWebView != null)
-                currentWebView.setTranslationY(0);
-        }
         setFullscreen(mPreferences.getHideStatusBarEnabled(), false);
 
         switch (mPreferences.getSearchChoice()) {
@@ -828,7 +814,28 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         builder.show();
     }
 
-    private View mCurrentView;
+    @Override
+    public void notifyTabViewRemoved(int position) {
+        Log.d(Constants.TAG, "Notify Tab Removed: " + position);
+        mTabsView.tabRemoved(position);
+    }
+
+    @Override
+    public void notifyTabViewAdded() {
+        Log.d(Constants.TAG, "Notify Tab Added");
+        mTabsView.tabAdded();
+    }
+
+    @Override
+    public void notifyTabViewChanged(int position) {
+        Log.d(Constants.TAG, "Notify Tab Changed: " + position);
+        mTabsView.tabChanged(position);
+    }
+
+    @Override
+    public void tabChanged(LightningView tab) {
+        mPresenter.tabChangeOccurred(tab);
+    }
 
     @Override
     public void removeTabView() {
@@ -840,13 +847,6 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
 
         removeViewFromParent(mCurrentView);
 
-        if (mFullScreen) {
-            // mToolbarLayout has already been removed
-            mBrowserFrame.addView(mToolbarLayout);
-            mToolbarLayout.bringToFront();
-            mToolbarLayout.setTranslationY(0);
-        }
-
         mCurrentView = null;
 
         // Use a delayed handler to make the transition smooth
@@ -862,7 +862,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
     }
 
     @Override
-    public void setTabView(@NonNull View view) {
+    public void setTabView(@NonNull final View view) {
         if (mCurrentView == view) {
             return;
         }
@@ -870,7 +870,6 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         // Set the background color so the color mode color doesn't show through
         mBrowserFrame.setBackgroundColor(mBackgroundColor);
 
-        final float translation = mToolbarLayout.getTranslationY();
         mBrowserFrame.removeAllViews();
 
         removeViewFromParent(view);
@@ -880,22 +879,6 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
 
         view.requestFocus();
 
-        if (mFullScreen) {
-            // mToolbarLayout has already been removed
-            mBrowserFrame.addView(mToolbarLayout);
-            mToolbarLayout.bringToFront();
-            Log.d(Constants.TAG, "Move view to browser frame");
-            int height = mToolbarLayout.getHeight();
-            if (height == 0) {
-                mToolbarLayout.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
-                height = mToolbarLayout.getMeasuredHeight();
-            }
-            view.setTranslationY(translation + height);
-            mToolbarLayout.setTranslationY(translation);
-        } else {
-            view.setTranslationY(0);
-        }
-
         mCurrentView = view;
 
         showActionBar();
@@ -1042,7 +1025,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
 
         if (mCurrentView != null && mFullScreen) {
             showActionBar();
-            mCurrentView.setTranslationY(toolbarSize);
+            mBrowserFrame.setTranslationY(0);
             mToolbarLayout.setTranslationY(0);
         }
     }
@@ -1737,19 +1720,8 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
      */
     @Override
     public void hideActionBar() {
-        final WebView currentWebView = mTabsManager.getCurrentWebView();
         if (mFullScreen) {
-            if (mBrowserFrame.findViewById(R.id.toolbar_layout) == null) {
+            if (mToolbarLayout == null || mBrowserFrame == null)
-                mUiLayout.removeView(mToolbarLayout);
-                mBrowserFrame.addView(mToolbarLayout);
-                mToolbarLayout.bringToFront();
-                Log.d(Constants.TAG, "Move view to browser frame");
-                mToolbarLayout.setTranslationY(0);
-                if (currentWebView != null) {
-                    currentWebView.setTranslationY(mToolbarLayout.getHeight());
-                }
-            }
-            if (mToolbarLayout == null || currentWebView == null)
                 return;
 
             final int height = mToolbarLayout.getHeight();
@@ -1759,12 +1731,12 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
                     protected void applyTransformation(float interpolatedTime, Transformation t) {
                         float trans = (1.0f - interpolatedTime) * height;
                         mToolbarLayout.setTranslationY(trans - height);
-                        currentWebView.setTranslationY(trans);
+                        mBrowserFrame.setTranslationY(trans - height);
                     }
                 };
                 show.setDuration(250);
                 show.setInterpolator(new DecelerateInterpolator());
-                currentWebView.startAnimation(show);
+                mBrowserFrame.startAnimation(show);
             }
         }
     }
@@ -1777,8 +1749,6 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
     @Override
     public void showActionBar() {
         if (mFullScreen) {
-            final WebView view = mTabsManager.getCurrentWebView();
-
             if (mToolbarLayout == null)
                 return;
 
@@ -1788,16 +1758,6 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
                 height = mToolbarLayout.getMeasuredHeight();
             }
 
-            if (mBrowserFrame.findViewById(R.id.toolbar_layout) == null) {
-                mUiLayout.removeView(mToolbarLayout);
-                mBrowserFrame.addView(mToolbarLayout);
-                mToolbarLayout.bringToFront();
-                Log.d(Constants.TAG, "Move view to browser frame");
-                mToolbarLayout.setTranslationY(0);
-                if (view != null) {
-                    view.setTranslationY(height);
-                }
-            }
             final LightningView currentTab = mTabsManager.getCurrentTab();
             if (currentTab == null)
                 return;
@@ -1809,18 +1769,44 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
                     protected void applyTransformation(float interpolatedTime, Transformation t) {
                         float trans = interpolatedTime * totalHeight;
                         mToolbarLayout.setTranslationY(trans - totalHeight);
-                        // null pointer here on close
+                        mBrowserFrame.setTranslationY(trans - totalHeight);
-                        if (view != null)
-                            view.setTranslationY(trans);
                     }
                 };
                 show.setDuration(250);
                 show.setInterpolator(new DecelerateInterpolator());
-                if (view != null) {
+                mBrowserFrame.startAnimation(show);
-                    view.startAnimation(show);
+            }
+        }
+    }
+
+    private void initializeTabHeight() {
+        mUiLayout.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
+            @Override
+            public void onGlobalLayout() {
+                setTabHeight();
+
+                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
+                    mUiLayout.getViewTreeObserver().removeGlobalOnLayoutListener(this);
+                } else {
+                    mUiLayout.getViewTreeObserver().removeOnGlobalLayoutListener(this);
                 }
             }
+        });
+
+    }
+
+    private void setTabHeight() {
+        if (mUiLayout.getHeight() == 0) {
+            mUiLayout.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
         }
+
+        if (mFullScreen) {
+            mBrowserFrame.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, mUiLayout.getHeight()));
+        } else {
+            mBrowserFrame.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
+        }
+
+        mBrowserFrame.requestLayout();
     }
 
     /**

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

@@ -396,6 +396,15 @@ public class TabsManager {
         return mTabList.indexOf(mCurrentTab);
     }
 
+    /**
+     * Returns the index of the tab.
+     *
+     * @return Return the index of the tab, or -1 if the tab isn't in the list.
+     */
+    public int indexOfTab(LightningView tab) {
+        return mTabList.indexOf(tab);
+    }
+
     /**
      * Return the current {@link LightningView} or null if
      * no current tab has been set.

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

@@ -67,6 +67,10 @@ public class BrowserPresenter {
                 });
     }
 
+    public void tabChangeOccurred(LightningView tab) {
+        mView.notifyTabViewChanged(mTabsModel.indexOfTab(tab));
+    }
+
     private void onTabChanged(@Nullable LightningView newTab) {
         Log.d(TAG, "On tab changed");
         if (newTab == null) {
@@ -95,6 +99,7 @@ public class BrowserPresenter {
                 mView.setForwardButtonEnabled(newTab.canGoForward());
                 mView.updateUrl(newTab.getUrl(), true);
                 mView.setTabView(newTab.getWebView());
+                mView.notifyTabViewChanged(mTabsModel.indexOfTab(newTab));
             }
         }
 
@@ -141,6 +146,7 @@ public class BrowserPresenter {
             }
         }
         final LightningView afterTab = mTabsModel.getCurrentTab();
+        mView.notifyTabViewRemoved(position);
         if (afterTab == null) {
             mView.closeBrowser();
             return;
@@ -150,10 +156,9 @@ public class BrowserPresenter {
 //            if (currentTab != null) {
 //                currentTab.pauseTimers();
 //            }
+            mView.notifyTabViewChanged(mTabsModel.indexOfCurrentTab());
         }
 
-        mEventBus.post(new BrowserEvents.TabsChanged());
-
         if (shouldClose) {
             mIsNewIntent = false;
             mView.closeActivity();
@@ -231,8 +236,10 @@ public class BrowserPresenter {
             startingTab.resumeTimers();
         }
 
+        mView.notifyTabViewAdded();
+
         if (show) {
-            LightningView tab = mTabsModel.switchToTab(mTabsModel.size() - 1);
+            LightningView tab = mTabsModel.switchToTab(mTabsModel.last());
             onTabChanged(tab);
         }
 

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

@@ -29,4 +29,10 @@ public interface BrowserView {
 
     void setBackButtonEnabled(boolean enabled);
 
+    void notifyTabViewRemoved(int position);
+
+    void notifyTabViewAdded();
+
+    void notifyTabViewChanged(int position);
+
 }

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

@@ -0,0 +1,11 @@
+package acr.browser.lightning.browser;
+
+public interface TabsView {
+
+    void tabAdded();
+
+    void tabRemoved(int position);
+
+    void tabChanged(int position);
+
+}

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

@@ -59,4 +59,6 @@ public interface UIController {
 
     void setBackButtonEnabled(boolean enabled);
 
+    void tabChanged(LightningView tab);
+
 }

app/src/main/java/acr/browser/lightning/fragment/BookmarksFragment.java

@@ -57,22 +57,17 @@ public class BookmarksFragment extends Fragment implements View.OnClickListener,
     public final static String INCOGNITO_MODE = TAG + ".INCOGNITO_MODE";
 
     // Managers
-    @Inject
+    @Inject BookmarkManager mBookmarkManager;
-    BookmarkManager mBookmarkManager;
 
     // Event bus
-    @Inject
+    @Inject Bus mEventBus;
-    Bus mEventBus;
 
     // Dialog builder
-    @Inject
+    @Inject LightningDialogBuilder mBookmarksDialogBuilder;
-    LightningDialogBuilder mBookmarksDialogBuilder;
 
-    @Inject
+    @Inject PreferenceManager mPreferenceManager;
-    PreferenceManager mPreferenceManager;
 
-    @Inject
+    @Inject TabsManager mTabsManager;
-    TabsManager mTabsManager;
 
     // Adapter
     private BookmarkViewAdapter mBookmarkAdapter;

app/src/main/java/acr/browser/lightning/fragment/TabsFragment.java

@@ -37,6 +37,7 @@ import javax.inject.Inject;
 import acr.browser.lightning.R;
 import acr.browser.lightning.activity.TabsManager;
 import acr.browser.lightning.app.BrowserApp;
+import acr.browser.lightning.browser.TabsView;
 import acr.browser.lightning.bus.BrowserEvents;
 import acr.browser.lightning.bus.NavigationEvents;
 import acr.browser.lightning.bus.TabEvents;
@@ -53,7 +54,7 @@ import acr.browser.lightning.view.LightningView;
  * to change. This class contains the adapter used by both the drawer tabs and
  * the desktop tabs. It delegates touch events for the tab UI appropriately.
  */
-public class TabsFragment extends Fragment implements View.OnClickListener, View.OnLongClickListener {
+public class TabsFragment extends Fragment implements View.OnClickListener, View.OnLongClickListener, TabsView {
 
     private static final String TAG = TabsFragment.class.getSimpleName();
 
@@ -206,6 +207,27 @@ public class TabsFragment extends Fragment implements View.OnClickListener, View
         return true;
     }
 
+    @Override
+    public void tabAdded() {
+        if (mTabsAdapter != null) {
+            mTabsAdapter.notifyItemInserted(tabsManager.last());
+        }
+    }
+
+    @Override
+    public void tabRemoved(int position) {
+        if (mTabsAdapter != null) {
+            mTabsAdapter.notifyItemRemoved(position);
+        }
+    }
+
+    @Override
+    public void tabChanged(int position) {
+        if (mTabsAdapter != null) {
+            mTabsAdapter.notifyItemChanged(position);
+        }
+    }
+
     public class LightningViewAdapter extends RecyclerView.Adapter<LightningViewAdapter.LightningViewHolder> {
 
         private final int mLayoutResourceId;
@@ -298,6 +320,7 @@ public class TabsFragment extends Fragment implements View.OnClickListener, View
                 }
                 holder.favicon.setImageBitmap(getDesaturatedBitmap(favicon));
             }
+            holder.itemView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
         }
 
         @Override

app/src/main/java/acr/browser/lightning/reading/MapEntry.java

@@ -1,12 +1,12 @@
 /**
  * Copyright (C) 2010 Peter Karich <>
- *
+ * <p/>
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
  * use this file except in compliance with the License. You may obtain a copy of
  * the License at
- *
+ * <p/>
  * http://www.apache.org/licenses/LICENSE-2.0
- *
+ * <p/>
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
@@ -60,13 +60,12 @@ public class MapEntry<K, V> implements Map.Entry<K, V>, Serializable {
     public boolean equals(Object obj) {
         if (obj == null)
             return false;
-        if (getClass() != obj.getClass())
+        if (!(obj instanceof Map<?, ?>))
             return false;
-        final MapEntry<K, V> other = (MapEntry<K, V>) obj;
+        final MapEntry<?, ?> other = (MapEntry<?, ?>) obj;
-        if (this.key != other.key && (this.key == null || !this.key.equals(other.key)))
+
-            return false;
+        return !(this.key != other.key && (this.key == null || !this.key.equals(other.key))) &&
-        return !(this.value != other.value && (this.value == null || !this.value
+                !(this.value != other.value && (this.value == null || !this.value.equals(other.value)));
-                .equals(other.value)));
     }
 
     @Override

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

@@ -57,7 +57,7 @@ class LightningChromeClient extends WebChromeClient {
     @Override
     public void onReceivedIcon(@NonNull WebView view, Bitmap icon) {
         mLightningView.getTitleInfo().setFavicon(icon);
-        eventBus.post(new BrowserEvents.TabsChanged());
+        mUIController.tabChanged(mLightningView);
         cacheFavicon(view.getUrl(), icon, mActivity);
     }
 
@@ -83,7 +83,7 @@ class LightningChromeClient extends WebChromeClient {
         } else {
             mLightningView.getTitleInfo().setTitle(mActivity.getString(R.string.untitled));
         }
-        eventBus.post(new BrowserEvents.TabsChanged());
+        mUIController.tabChanged(mLightningView);
         if (view != null) {
             mUIController.updateHistory(title, view.getUrl());
         }

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

@@ -570,7 +570,7 @@ public class LightningView {
      */
     public void setForegroundTab(boolean isForeground) {
         isForegroundTab = isForeground;
-        mEventBus.post(new BrowserEvents.TabsChanged());
+        mUIController.tabChanged(this);
     }
 
     /**

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

@@ -110,7 +110,7 @@ public class LightningWebClient extends WebViewClient {
                 mLightningView.getInvertePage()) {
             view.evaluateJavascript(Constants.JAVASCRIPT_INVERT_PAGE, null);
         }
-        mEventBus.post(new BrowserEvents.TabsChanged());
+        mUIController.tabChanged(mLightningView);
     }
 
     @Override
@@ -120,7 +120,7 @@ public class LightningWebClient extends WebViewClient {
             mUIController.updateUrl(url, false);
             mUIController.showActionBar();
         }
-        mEventBus.post(new BrowserEvents.TabsChanged());
+        mUIController.tabChanged(mLightningView);
     }
 
     @Override

app/src/main/res/layout/activity_main.xml

@@ -1,10 +1,10 @@
 <!-- Copyright 2014 ACR Development -->
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout android:id="@+id/main_layout"
-    android:id="@+id/main_layout"
+              xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
+              android:layout_width="match_parent"
-    android:layout_height="match_parent"
+              android:layout_height="match_parent"
-    android:background="@null"
+              android:background="@null"
-    android:orientation="vertical">
+              android:orientation="vertical">
 
     <android.support.v4.widget.DrawerLayout
         android:id="@+id/drawer_layout"
@@ -18,30 +18,30 @@
             android:layout_height="match_parent"
             android:orientation="vertical">
 
-            <include layout="@layout/toolbar" />
+            <include layout="@layout/toolbar"/>
 
-            <include layout="@layout/browser_content" />
+            <include layout="@layout/browser_content"/>
 
-            <include layout="@layout/search_interface" />
+            <include layout="@layout/search_interface"/>
         </LinearLayout>
 
         <FrameLayout
+            android:id="@+id/left_drawer"
             android:layout_width="@dimen/navigation_width"
             android:layout_height="match_parent"
+            android:layout_gravity="start"
             android:background="?attr/drawerBackground"
-            android:id="@+id/left_drawer"
             android:fitsSystemWindows="true"
-            android:layout_gravity="start"
+            android:weightSum="1"/>
-            android:weightSum="1" />
 
         <FrameLayout
-            android:weightSum="1"
-            android:layout_gravity="end"
-            android:fitsSystemWindows="true"
             android:id="@+id/right_drawer"
-            android:background="?attr/drawerBackground"
             android:layout_width="@dimen/navigation_width"
-            android:layout_height="match_parent" />
+            android:layout_height="match_parent"
+            android:layout_gravity="end"
+            android:background="?attr/drawerBackground"
+            android:fitsSystemWindows="true"
+            android:weightSum="1"/>
 
     </android.support.v4.widget.DrawerLayout>