Performance improvments, fixed bug with find in page in full-screen mode

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

@@ -4,7 +4,6 @@
 
 package acr.browser.lightning.activity;
 
-import android.annotation.TargetApi;
 import android.app.Activity;
 import android.content.ClipData;
 import android.content.ClipboardManager;
@@ -17,7 +16,6 @@ import android.database.sqlite.SQLiteException;
 import android.graphics.Bitmap;
 import android.graphics.Color;
 import android.graphics.PorterDuff;
-import android.graphics.Rect;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.media.MediaPlayer;
@@ -26,7 +24,6 @@ import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
-import android.os.StrictMode;
 import android.provider.MediaStore;
 import android.support.annotation.ColorInt;
 import android.support.annotation.IdRes;
@@ -56,9 +53,9 @@ import android.view.View.OnLongClickListener;
 import android.view.View.OnTouchListener;
 import android.view.ViewGroup;
 import android.view.ViewGroup.LayoutParams;
+import android.view.ViewParent;
 import android.view.ViewTreeObserver;
 import android.view.Window;
-import android.view.WindowInsets;
 import android.view.WindowManager;
 import android.view.animation.Animation;
 import android.view.animation.DecelerateInterpolator;
@@ -83,6 +80,8 @@ import android.widget.TextView;
 import android.widget.TextView.OnEditorActionListener;
 import android.widget.VideoView;
 
+import com.anthonycr.bonsai.Observable;
+import com.anthonycr.bonsai.Schedulers;
 import com.anthonycr.grant.PermissionsManager;
 import com.anthonycr.progress.AnimatedProgressBar;
 import com.squareup.otto.Bus;
@@ -93,7 +92,6 @@ import java.io.IOException;
 
 import javax.inject.Inject;
 
-import acr.browser.lightning.BuildConfig;
 import acr.browser.lightning.R;
 import acr.browser.lightning.app.BrowserApp;
 import acr.browser.lightning.browser.BrowserPresenter;
@@ -113,15 +111,9 @@ import acr.browser.lightning.database.HistoryItem;
 import acr.browser.lightning.dialog.LightningDialogBuilder;
 import acr.browser.lightning.fragment.BookmarksFragment;
 import acr.browser.lightning.fragment.TabsFragment;
-import acr.browser.lightning.search.Suggestions;
-import acr.browser.lightning.search.SuggestionsAdapter;
-
-import com.anthonycr.bonsai.Observable;
-import com.anthonycr.bonsai.Schedulers;
-
 import acr.browser.lightning.receiver.NetworkReceiver;
+import acr.browser.lightning.search.Suggestions;
 import acr.browser.lightning.utils.DrawableUtils;
-import acr.browser.lightning.utils.KeyboardHelper;
 import acr.browser.lightning.utils.ProxyUtils;
 import acr.browser.lightning.utils.ThemeUtils;
 import acr.browser.lightning.utils.UrlUtils;
@@ -233,18 +225,6 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
-
-        if (BuildConfig.DEBUG) {
-            StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
-                .detectAll()
-                .penaltyLog()
-                .build());
-            StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder()
-                .detectAll()
-                .penaltyLog()
-                .build());
-        }
-
         super.onCreate(savedInstanceState);
         BrowserApp.getAppComponent().inject(this);
         setContentView(R.layout.activity_main);
@@ -254,18 +234,6 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         mPresenter = new BrowserPresenter(this, isIncognito());
 
         initialize(savedInstanceState);
-
-        KeyboardHelper keyboardHelper = new KeyboardHelper(mRoot);
-        keyboardHelper.registerKeyboardListener(new KeyboardHelper.KeyboardListener() {
-            @Override
-            public void keyboardVisibilityChanged(boolean visible) {
-                if (visible) {
-                    setTabHeightForKeyboard();
-                } else {
-                    setTabHeight();
-                }
-            }
-        });
     }
 
     private synchronized void initialize(Bundle savedInstanceState) {
@@ -630,21 +598,6 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
 
         setFullscreen(mPreferences.getHideStatusBarEnabled(), false);
 
-        initializeTabHeight();
-
-        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT_WATCH) {
-            // Sets the tab height correctly if the status bar is hidden
-            // Also ensures that tab is correct height on rotation
-            mRoot.setOnApplyWindowInsetsListener(new View.OnApplyWindowInsetsListener() {
-                @TargetApi(Build.VERSION_CODES.KITKAT_WATCH)
-                @Override
-                public WindowInsets onApplyWindowInsets(View v, WindowInsets insets) {
-                    initializeTabHeight();
-                    return mRoot.onApplyWindowInsets(insets);
-                }
-            });
-        }
-
         switch (mPreferences.getSearchChoice()) {
             case 0:
                 mSearchText = mPreferences.getSearchUrl();
@@ -693,7 +646,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
     public void onWindowVisibleToUserAfterResume() {
         super.onWindowVisibleToUserAfterResume();
         mToolbarLayout.setTranslationY(0);
-        mBrowserFrame.setTranslationY(0);
+        setWebViewTranslation(mToolbarLayout.getHeight());
     }
 
     @Override
@@ -825,6 +778,38 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         }
     }
 
+    private void putToolbarInRoot() {
+        if (mToolbarLayout.getParent() != mUiLayout) {
+            if (mToolbarLayout.getParent() != null) {
+                ((ViewGroup) mToolbarLayout.getParent()).removeView(mToolbarLayout);
+            }
+
+            mUiLayout.addView(mToolbarLayout, 0);
+            mUiLayout.requestLayout();
+        }
+        setWebViewTranslation(0);
+    }
+
+    private void overlayToolbarOnWebView() {
+        if (mToolbarLayout.getParent() != mBrowserFrame) {
+            if (mToolbarLayout.getParent() != null) {
+                ((ViewGroup) mToolbarLayout.getParent()).removeView(mToolbarLayout);
+            }
+
+            mBrowserFrame.addView(mToolbarLayout);
+            mBrowserFrame.requestLayout();
+        }
+        setWebViewTranslation(mToolbarLayout.getHeight());
+    }
+
+    private void setWebViewTranslation(float translation) {
+        if (mFullScreen && mCurrentView != null) {
+            mCurrentView.setTranslationY(translation);
+        } else if (mCurrentView != null) {
+            mCurrentView.setTranslationY(0);
+        }
+    }
+
     /**
      * method that shows a dialog asking what string the user wishes to search
      * for. It highlights the text entered.
@@ -937,8 +922,6 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         // Set the background color so the color mode color doesn't show through
         mBrowserFrame.setBackgroundColor(mBackgroundColor);
 
-        mBrowserFrame.removeAllViews();
-
         removeViewFromParent(mCurrentView);
 
         mCurrentView = null;
@@ -966,12 +949,15 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         // Set the background color so the color mode color doesn't show through
         mBrowserFrame.setBackgroundColor(mBackgroundColor);
 
-        mBrowserFrame.removeAllViews();
-
         removeViewFromParent(view);
         removeViewFromParent(mCurrentView);
 
-        mBrowserFrame.addView(view, MATCH_PARENT);
+        mBrowserFrame.addView(view, 0, MATCH_PARENT);
+        if (mFullScreen) {
+            view.setTranslationY(mToolbarLayout.getHeight() + mToolbarLayout.getTranslationY());
+        } else {
+            view.setTranslationY(0);
+        }
 
         view.requestFocus();
 
@@ -1030,9 +1016,9 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         if (view == null) {
             return;
         }
-        ViewGroup parent = ((ViewGroup) view.getParent());
-        if (parent != null) {
-            parent.removeView(view);
+        ViewParent parent = view.getParent();
+        if (parent instanceof ViewGroup) {
+            ((ViewGroup) parent).removeView(view);
         }
     }
 
@@ -1095,6 +1081,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         } else if (isIncognito()) {
             WebUtils.clearWebStorage();     // We want to make sure incognito mode is secure
         }
+        mSuggestionsAdapter.clearCache();
     }
 
     @Override
@@ -1114,11 +1101,10 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
 
         if (mFullScreen) {
             showActionBar();
-            mBrowserFrame.setTranslationY(0);
             mToolbarLayout.setTranslationY(0);
+            setWebViewTranslation(mToolbarLayout.getHeight());
         }
 
-        initializeTabHeight();
         supportInvalidateOptionsMenu();
         initializeToolbarHeight(newConfig);
     }
@@ -1138,15 +1124,22 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
                 }
                 mToolbar.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, toolbarSize));
                 mToolbar.setMinimumHeight(toolbarSize);
+                doOnLayout(mToolbar, new Runnable() {
+                    @Override
+                    public void run() {
+                        setWebViewTranslation(mToolbarLayout.getHeight());
+                    }
+                });
                 mToolbar.requestLayout();
+
             }
         });
     }
 
     public void closeBrowser() {
         mBrowserFrame.setBackgroundColor(mBackgroundColor);
+        removeViewFromParent(mCurrentView);
         performExitCleanUp();
-        mBrowserFrame.removeAllViews();
         int size = mTabsManager.size();
         mTabsManager.shutdown();
         mCurrentView = null;
@@ -1263,6 +1256,12 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         BrowserApp.get(this).registerReceiver(mNetworkReceiver, filter);
 
         mEventBus.register(mBusEventListener);
+
+        if (mFullScreen) {
+            overlayToolbarOnWebView();
+        } else {
+            putToolbarInRoot();
+        }
     }
 
     /**
@@ -1773,7 +1772,6 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         }
         mCustomViewCallback = null;
         setRequestedOrientation(mOriginalOrientation);
-        setTabHeight();
     }
 
     private class VideoCompletionListener implements MediaPlayer.OnCompletionListener,
@@ -1890,9 +1888,9 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
                 Animation show = new Animation() {
                     @Override
                     protected void applyTransformation(float interpolatedTime, Transformation t) {
-                        float trans = (1.0f - interpolatedTime) * height;
-                        mToolbarLayout.setTranslationY(trans - height);
-                        mBrowserFrame.setTranslationY(trans - height);
+                        float trans = interpolatedTime * height;
+                        mToolbarLayout.setTranslationY(-trans);
+                        setWebViewTranslation(height - trans);
                     }
                 };
                 show.setDuration(250);
@@ -1931,7 +1929,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
                     protected void applyTransformation(float interpolatedTime, Transformation t) {
                         float trans = interpolatedTime * totalHeight;
                         mToolbarLayout.setTranslationY(trans - totalHeight);
-                        mBrowserFrame.setTranslationY(trans - totalHeight);
+                        setWebViewTranslation(trans);
                     }
                 };
                 show.setDuration(250);
@@ -1941,23 +1939,6 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         }
     }
 
-    /**
-     * This method initializes the height of the
-     * view that holds the current WebView. It waits
-     * for the root layout to be laid out before setting
-     * the height as it needs the root layout to be measured
-     * first.
-     */
-    private void initializeTabHeight() {
-        Log.d(TAG, "initializeTabHeight");
-        doOnLayout(mUiLayout, new Runnable() {
-            @Override
-            public void run() {
-                setTabHeight();
-            }
-        });
-    }
-
     /**
      * Performs an action when the provided view is laid out.
      *
@@ -1980,46 +1961,6 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
         });
     }
 
-    /**
-     * This method sets the height of the browser
-     * frame view that holds the current WebView.
-     * It requires the root layout to be properly
-     * laid out in order to set the correct height.
-     */
-    private void setTabHeight() {
-        Log.d(TAG, "setTabHeight");
-        if (mRoot.getHeight() == 0) {
-            mRoot.measure(View.MeasureSpec.EXACTLY, View.MeasureSpec.EXACTLY);
-        }
-
-        Log.d(TAG, "UI Layout top: " + mUiLayout.getTop());
-
-        if (mFullScreen) {
-            int height = mRoot.getHeight() - mUiLayout.getTop();
-            mBrowserFrame.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, height));
-        } else {
-            LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
-            params.weight = 1;
-            mBrowserFrame.setLayoutParams(params);
-        }
-
-        mBrowserFrame.requestLayout();
-    }
-
-    private void setTabHeightForKeyboard() {
-        doOnLayout(mUiLayout, new Runnable() {
-            @Override
-            public void run() {
-                Rect rect = new Rect();
-                mRoot.getWindowVisibleDisplayFrame(rect);
-
-                int height = rect.bottom - mUiLayout.getTop();
-                mBrowserFrame.setLayoutParams(new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, height));
-                mBrowserFrame.requestLayout();
-            }
-        });
-    }
-
     /**
      * This method lets the search bar know that the page is currently loading
      * and that it should display the stop icon to indicate to the user that

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

@@ -4,6 +4,7 @@ import android.app.Activity;
 import android.app.Application;
 import android.content.Context;
 import android.os.Build;
+import android.os.StrictMode;
 import android.support.annotation.NonNull;
 import android.util.Log;
 import android.webkit.WebView;
@@ -34,6 +35,17 @@ public class BrowserApp extends Application {
     @Override
     public void onCreate() {
         super.onCreate();
+        if (BuildConfig.DEBUG) {
+            StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
+                .detectAll()
+                .penaltyLog()
+                .build());
+            StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder()
+                .detectAll()
+                .penaltyLog()
+                .build());
+        }
+
         mAppComponent = DaggerAppComponent.builder().appModule(new AppModule(this)).build();
         mAppComponent.inject(this);
 
@@ -48,7 +60,7 @@ public class BrowserApp extends Application {
             @Override
             public void onActivityDestroyed(Activity activity) {
                 Log.d(TAG, "Cleaning up after the Android framework");
-                MemoryLeakUtils.clearNextServedView(BrowserApp.this);
+                MemoryLeakUtils.clearNextServedView(activity, BrowserApp.this);
             }
         });
     }

app/src/main/java/acr/browser/lightning/search/Suggestions.java

@@ -34,12 +34,14 @@ import acr.browser.lightning.database.BookmarkManager;
 import acr.browser.lightning.database.HistoryDatabase;
 import acr.browser.lightning.database.HistoryItem;
 import acr.browser.lightning.preference.PreferenceManager;
+
 import com.anthonycr.bonsai.Action;
 import com.anthonycr.bonsai.Observable;
 import com.anthonycr.bonsai.OnSubscribe;
 import com.anthonycr.bonsai.Scheduler;
 import com.anthonycr.bonsai.Schedulers;
 import com.anthonycr.bonsai.Subscriber;
+
 import acr.browser.lightning.utils.ThemeUtils;
 
 public class Suggestions extends BaseAdapter implements Filterable {
@@ -87,16 +89,14 @@ public class Suggestions extends BaseAdapter implements Filterable {
         mSearchDrawable = ThemeUtils.getThemedDrawable(context, R.drawable.ic_search, mDarkTheme);
         mBookmarkDrawable = ThemeUtils.getThemedDrawable(context, R.drawable.ic_bookmark, mDarkTheme);
         mHistoryDrawable = ThemeUtils.getThemedDrawable(context, R.drawable.ic_history, mDarkTheme);
-
-        clearCache();
     }
 
     public void refreshPreferences() {
         mUseGoogle = mPreferenceManager.getGoogleSearchSuggestionsEnabled();
     }
 
-    private void clearCache() {
-        BrowserApp.getTaskThread().execute(new ClearCacheRunnable(BrowserApp.get(mContext)));
+    public void clearCache() {
+        Schedulers.io().execute(new ClearCacheRunnable(BrowserApp.get(mContext)));
     }
 
     public void refreshBookmarks() {

app/src/main/java/acr/browser/lightning/utils/MemoryLeakUtils.java

@@ -7,8 +7,11 @@ import android.os.Build;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.util.Log;
+import android.view.View;
 import android.view.inputmethod.InputMethodManager;
 
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 
 public class MemoryLeakUtils {
@@ -25,7 +28,7 @@ public class MemoryLeakUtils {
      *                    the InputMethodManager that is
      *                    leaking the views.
      */
-    public static void clearNextServedView(@NonNull Application application) {
+    public static void clearNextServedView(Activity activity, @NonNull Application application) {
 
         if (Build.VERSION.SDK_INT > Build.VERSION_CODES.M) {
             // This shouldn't be a problem on N
@@ -42,7 +45,22 @@ public class MemoryLeakUtils {
             }
         }
 
-        if (sFinishInputLocked != null) {
+        boolean isCurrentActivity = false;
+
+        try {
+            Field servedViewField = InputMethodManager.class.getDeclaredField("mNextServedView");
+            servedViewField.setAccessible(true);
+            Object servedView = servedViewField.get(imm);
+            if (servedView instanceof View) {
+                isCurrentActivity = ((View) servedView).getContext() == activity;
+            }
+        } catch (NoSuchFieldException e) {
+            Log.d(TAG, "Unable to get mNextServedView field", e);
+        } catch (IllegalAccessException e) {
+            Log.d(TAG, "Unable to access mNextServedView field", e);
+        }
+
+        if (sFinishInputLocked != null && isCurrentActivity) {
             sFinishInputLocked.setAccessible(true);
             try {
                 sFinishInputLocked.invoke(imm);

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

@@ -3,7 +3,6 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="?attr/drawerBackground"
     android:clickable="true"
     android:orientation="vertical">
 

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

@@ -3,7 +3,6 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="?attr/drawerBackground"
     android:clickable="true"
     android:orientation="vertical">