PhoneUIManager.java

/*
 * Tint Browser for Android
 * 
 * Copyright (C) 2012 - to infinity and beyond J. Devauchelle and contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 3 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

package org.tint.ui.managers;

import org.tint.R;
import org.tint.ui.activities.TintBrowserActivity;
import org.tint.ui.components.BadgedImageView;
import org.tint.ui.components.CustomWebView;
import org.tint.ui.fragments.BaseWebViewFragment;
import org.tint.ui.fragments.PhoneStartPageFragment;
import org.tint.ui.fragments.PhoneWebViewFragment;
import org.tint.ui.fragments.StartPageFragment.OnStartPageItemClickedListener;
import org.tint.ui.views.PanelLayout;
import org.tint.ui.views.PanelLayout.PanelEventsListener;
import org.tint.ui.views.PhoneUrlBar;
import org.tint.ui.views.PhoneUrlBar.OnPhoneUrlBarEventListener;
import org.tint.ui.views.TabView;
import org.tint.ui.views.TabsScroller.OnRemoveListener;
import org.tint.utils.Constants;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.preference.PreferenceManager;
import android.util.SparseArray;
import android.view.ActionMode;
import android.view.MotionEvent;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.View.OnClickListener;
import android.view.inputmethod.InputMethodManager;
import android.view.ViewGroup;
import android.webkit.WebView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.RelativeLayout;

public class PhoneUIManager extends BasePhoneUIManager {

	private PanelLayout mPanel;
	
	private BadgedImageView mFaviconView;
	
	private ImageView mHome;
	
	private ImageView mExitFullScreen;	
	
	private TabAdapter mAdapter;
	
	private SharedPreferences mPreferences;

	static {
		sAnimationType = AnimationType.NONE;
	}
	
	public PhoneUIManager(TintBrowserActivity activity) {
		super(activity);		
		
		mPreferences = PreferenceManager.getDefaultSharedPreferences(activity);
		
		mAdapter = new TabAdapter();
        mPanel.getTabsScroller().setAdapter(mAdapter);
	}
	
	@Override
	protected void setupUI() {
		mActionBar.hide();		
		
		mPanel = (PanelLayout) mActivity.findViewById(R.id.panel_layout);
		
		mPanel.setPanelEventsListener(new PanelEventsListener() {
			
			@Override
			public void onPanelShown() {
				mPanel.getTabsScroller().snapToSelected(mCurrentTabIndex, true);
			}
			
			@Override
			public void onPanelHidden() { }
		});
		
		mExitFullScreen = (ImageView) mActivity.findViewById(R.id.ExitFullScreen);
		mExitFullScreen.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				toggleFullScreen();
			}
		});
		
		ImageView openTabView = (ImageView) mActivity.findViewById(R.id.BtnAddTab);
		openTabView.setOnClickListener(new OnClickListener() {			
			@Override
			public void onClick(View v) {
				addTab(true, PreferenceManager.getDefaultSharedPreferences(v.getContext()).
						getBoolean(Constants.PREFERENCE_INCOGNITO_BY_DEFAULT, false));
				
				if (mPreferences.getBoolean(Constants.PREFERENCE_CLOSE_PANEL_ON_NEW_TAB, true)) {
					mPanel.hidePanel();
				} else {
					// Wait for the adapter/scoller to updated before scrolling to the new tab.
					// Maybe find a better way to do this.
					mPanel.postDelayed(new Runnable() {

						@Override
						public void run() {
							mPanel.getTabsScroller().snapToSelected(mCurrentTabIndex, true);
						}
					}, 50);
				}
			}
		});
		
		ImageView openBookmarksView = (ImageView) mActivity.findViewById(R.id.BtnBookmarks);
		openBookmarksView.setOnClickListener(new OnClickListener() {			
			@Override
			public void onClick(View v) {
				openBookmarksActivityForResult();
			}
		});
		
		mProgressBar = (ProgressBar) mActivity.findViewById(R.id.WebViewProgress);
		mProgressBar.setIndeterminate(false);
		mProgressBar.setMax(100);
		mProgressBar.setVisibility(View.GONE);
		
		mUrlBar = (PhoneUrlBar) mActivity.findViewById(R.id.UrlBar);		
		
		mUrlBar.setEventListener(new OnPhoneUrlBarEventListener() {
			
			@Override
			public void onVisibilityChanged(boolean urlBarVisible) {
				if (urlBarVisible) {
					mUrlBar.showGoStopReloadButton();
				} else {
					BaseWebViewFragment currentFragment = getCurrentWebViewFragment();
					
					if ((currentFragment != null) &&
							(currentFragment.isStartPageShown())){
						mUrlBar.hideGoStopReloadButton();
					}
				}
			}
			
			@Override
			public void onUrlValidated() {
				loadCurrentUrl();
			}
			
			@Override
			public void onGoStopReloadClicked() {
				if (mUrlBar.isUrlChangedByUser()) {
					// Use the UIManager to load urls, as it perform check on them.
					loadCurrentUrl();
				} else if (getCurrentWebView().isLoading()) {
					getCurrentWebView().stopLoading();
				} else {
					getCurrentWebView().reload();
				}
			}

			@Override
			public void onMenuVisibilityChanged(boolean isVisible) {
				mMenuVisible = isVisible;				
			}
		});
        
        mUrlBar.setTitle(R.string.ApplicationName);
        mUrlBar.setSubtitle(R.string.UrlBarUrlDefaultSubTitle);
		
        mFaviconView = (BadgedImageView) mActivity.findViewById(R.id.FaviconView);
        mFaviconView.setOnClickListener(new OnClickListener() {			
			@Override
			public void onClick(View v) {
				if (mUrlBar.isUrlBarVisible()) {
					mUrlBar.hideUrl();
				} else {
					mPanel.togglePanel();
				}
			}
		});
        
		mTopBar = (RelativeLayout) mActivity.findViewById(R.id.TopBar);
		mTopBar.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View arg0) {
				// Steal event from WebView.				
			}
		});
		
		mBack = (ImageView) mActivity.findViewById(R.id.BtnBack);
        mBack.setOnClickListener(new OnClickListener() {			
			@Override
			public void onClick(View v) {
				if ((!getCurrentWebViewFragment().isStartPageShown()) &&
				    (getCurrentWebView().canGoBack())) {
					getCurrentWebView().goBack();
					mPanel.hidePanel();
				}
			}
		});
        mBack.setEnabled(false);
        
        mForward = (ImageView) mActivity.findViewById(R.id.BtnForward);
        mForward.setOnClickListener(new OnClickListener() {			
			@Override
			public void onClick(View v) {
				if ((!getCurrentWebViewFragment().isStartPageShown()) &&
				    (getCurrentWebView().canGoForward())) {
					getCurrentWebView().goForward();
					mPanel.hidePanel();
				}
			}
		});
        mForward.setEnabled(false);
        
        mHome = (ImageView) mActivity.findViewById(R.id.BtnHome);
        mHome.setOnClickListener(new OnClickListener() {			
			@Override
			public void onClick(View v) {
				mProgressBar.setProgress(0);
				mProgressBar.setVisibility(View.GONE);
				loadHomePage();
				mPanel.hidePanel();
			}
		});
        
        mPanel.getTabsScroller().setOnRemoveListener(new OnRemoveListener() {
			
			@Override
			public void onRemovePosition(int position) {
				if (mFragmentsList.size() > 1) {
					closeTabByIndex(position);
				} else {
					loadHomePage();
				}
			}
		});
        
        super.setupUI();
	}

	@Override
	public void addTab(String url, boolean openInBackground, boolean privateBrowsing) {
		super.addTab(url, openInBackground, privateBrowsing);

		updateUrlBar();		
		mAdapter.notifyDataSetChanged();
	}
	
	@Override
	protected void closeLastTab() {
		super.closeLastTab();
				
		mAdapter.notifyDataSetChanged();
	}
	
	@Override
	protected void closeTabByIndex(int index) {
		super.closeTabByIndex(index);

		updateUrlBar();
		mAdapter.notifyDataSetChanged();
	}
	
	@Override
	protected void showCurrentTab(boolean notifyTabSwitched) {
		super.showCurrentTab(notifyTabSwitched);
		
		TabView currentTabView = mAdapter.getViewAt(mCurrentTabIndex);
		if (currentTabView != null) {
			currentTabView.setSelected(true);
		}
	}
	
	@Override
	public void onPageStarted(WebView view, String url, Bitmap favicon) {
		if (view == getCurrentWebView()) {
			mProgressBar.setProgress(0);
			mProgressBar.setVisibility(View.VISIBLE);			
			
			mUrlBar.setUrl(url);
			
			mUrlBar.setGoStopReloadImage(R.drawable.ic_stop);
			
			updateBackForwardEnabled();
		}
		
		CustomWebView webview = (CustomWebView) view;
		PhoneWebViewFragment parent = (PhoneWebViewFragment) webview.getParentFragment();
		
		if (parent != null) {
			int index = mFragmentsList.indexOf(parent);
			if (index != -1) {
				TabView tabview = mAdapter.getViewAt(index);
				tabview.setFavicon(null);
			}
		}
	}
	
	@Override
	public void onPageFinished(WebView view, String url) {
		super.onPageFinished(view, url);
		
		if (view == getCurrentWebView()) {
			mProgressBar.setProgress(100);
			mProgressBar.setVisibility(View.GONE);			
						
			mUrlBar.setUrl(url);
			
			mUrlBar.setGoStopReloadImage(R.drawable.ic_refresh);
			
			updateBackForwardEnabled();
		}
	}

	@Override
	public void onClientPageFinished(final CustomWebView view, String url) {
		super.onClientPageFinished(view, url);
	
		PhoneWebViewFragment parent = (PhoneWebViewFragment) view.getParentFragment();
		
		if ((parent != null) &&
				(!parent.isStartPageShown()) &&
				(!view.isLoading())) {
			int index = mFragmentsList.indexOf(parent);
			if (index != -1) {
				final TabView tabview = mAdapter.getViewAt(index);
				
				mPanel.postDelayed(new Runnable() {					
					@Override
					public void run() {
						tabview.setImage(view.capturePicture());
					}
				}, 50);
			}
		}
	}

	@Override
	public void onReceivedTitle(WebView view, String title) {
		super.onReceivedTitle(view, title);
		
		mAdapter.notifyDataSetChanged();
	}

	@Override
	public void onReceivedIcon(WebView view, Bitmap icon) {
		// Don't call parent here, we don't need the parent behavior.
		CustomWebView webview = (CustomWebView) view;
		PhoneWebViewFragment parent = (PhoneWebViewFragment) webview.getParentFragment();
		
		if ((parent != null) &&
				(!parent.isStartPageShown())) {
			int index = mFragmentsList.indexOf(parent);
			if (index != -1) {
				TabView tabview = mAdapter.getViewAt(index);
				tabview.setFavicon(icon);
			}
		}
	}

	@Override
	public boolean onKeyBack() {
		if (!super.onKeyBack()) {
			if (mUrlBar.isUrlBarVisible()) {
				mUrlBar.hideUrl();
				
				return true;
			} else if (mPanel.isPanelShown()) {
				mPanel.hidePanel();
				return true;
			} else {
				CustomWebView currentWebView = getCurrentWebView();
				
				if ((currentWebView != null) &&
						(currentWebView.canGoBack())) {
					currentWebView.goBack();
					return true;
				} else if (isHomePageStartPage() &&
						!isStartPageShownOnCurrentTab()) {
					loadHomePage();
					return true;
				}
			}
		}
		
		return false;
	}
	
	@Override
	public boolean onKeySearch() {
		mUrlBar.showUrl();
		return true;
	}

	@Override
	public void onMenuVisibilityChanged(boolean isVisible) { }

	@Override
	public void onShowStartPage() {
		super.onShowStartPage();
		
		mAdapter.notifyDataSetChanged();
	}

	@Override
	public void onActionModeStarted(ActionMode mode) {
		mActionMode = mode;
	}

	@Override
	public void onActionModeFinished(ActionMode mode) {
		if (mActionMode != null) {
			mActionMode = null;
		
			InputMethodManager mgr = (InputMethodManager) mActivity.getSystemService(Context.INPUT_METHOD_SERVICE);
			mgr.hideSoftInputFromWindow(null, 0);
		}
	}
	
	@Override
	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
		if ((requestCode == TintBrowserActivity.ACTIVITY_BOOKMARKS) &&
				(resultCode == Activity.RESULT_OK)) {
			if (mPanel.isPanelShown()) {
				mPanel.hidePanel();
			}
		}
	}

	@Override
	public boolean onTouch(View v, MotionEvent event) {
		return false;
	}

	@Override
	protected void setFullScreenFromPreferences() {
		boolean fullScreen = isFullScreen();
		
		Window win = mActivity.getWindow();
        WindowManager.LayoutParams winParams = win.getAttributes();
		final int bits = WindowManager.LayoutParams.FLAG_FULLSCREEN;
		
		if (fullScreen) {
			winParams.flags |=  bits;
			mTopBar.setVisibility(View.GONE);
			mExitFullScreen.setVisibility(View.VISIBLE);
		} else {
			winParams.flags &= ~bits;
			mTopBar.setVisibility(View.VISIBLE);
			mExitFullScreen.setVisibility(View.GONE);
		}
		
		win.setAttributes(winParams);
	}

	@Override
	protected void updateUrlBar() {
		CustomWebView currentWebView;
		BaseWebViewFragment currentFragment = getCurrentWebViewFragment();
		
		if ((currentFragment != null) &&
				(currentFragment.isStartPageShown())) {
			currentWebView = null;
		} else {
			currentWebView = getCurrentWebView();
		}
		
		if (currentWebView != null) {
			String title = currentWebView.getTitle();
			String url = currentWebView.getUrl();
			Bitmap icon = currentWebView.getFavicon();

			if ((title != null) &&
					(!title.isEmpty())) {
				mUrlBar.setTitle(title);
			} else {
				mUrlBar.setTitle(R.string.ApplicationName);
			}

			if ((url != null) &&
					(!url.isEmpty())) {				
				mUrlBar.setSubtitle(url);
				mUrlBar.setUrl(url);
			} else {
				mUrlBar.setSubtitle(R.string.UrlBarUrlDefaultSubTitle);
				mUrlBar.setUrl(null);
			}
			
			setApplicationButtonImage(icon);
			
			if (currentWebView.isLoading()) {
				mProgressBar.setProgress(currentWebView.getProgress());
				mProgressBar.setVisibility(View.VISIBLE);
				mUrlBar.setGoStopReloadImage(R.drawable.ic_stop);
			} else {
				mProgressBar.setVisibility(View.GONE);
				mUrlBar.setGoStopReloadImage(R.drawable.ic_refresh);
			}
			
			updateBackForwardEnabled();
		} else {
			mUrlBar.setTitle(R.string.ApplicationName);
			mUrlBar.setSubtitle(R.string.UrlBarUrlDefaultSubTitle);

			mProgressBar.setVisibility(View.GONE);
						
			mUrlBar.setUrl(null);
			mBack.setEnabled(false);
			mForward.setEnabled(false);
		}
		
		mFaviconView.setValue(mFragmentsList.size());
		
		mUrlBar.setPrivateBrowsingIndicator(currentFragment != null ? currentFragment.isPrivateBrowsingEnabled() : false);
	}

	@Override
	protected void createStartPageFragment() {
		mStartPageFragment = new PhoneStartPageFragment();
		mStartPageFragment.setOnStartPageItemClickedListener(new OnStartPageItemClickedListener() {					
			@Override
			public void onStartPageItemClicked(String url) {
				loadUrl(url);
			}
		});
	}
	
	private void showTabByIndex(int index, boolean notifyTabSwitched) {
		PhoneWebViewFragment oldFragment = mFragmentsList.get(mCurrentTabIndex);
		oldFragment.getWebView().onPause();
		
		TabView oldTabView = mAdapter.getViewAt(mCurrentTabIndex);
		if (oldTabView != null) {
			oldTabView.setSelected(false);
		}
		
		mCurrentTabIndex = index;
		showCurrentTab(notifyTabSwitched);
	}
	
	private class TabAdapter extends BaseAdapter {
		
		private SparseArray<TabView> mViews;
		
		public TabAdapter() {
			super();
			mViews = new SparseArray<TabView>();
		}

		@Override
		public int getCount() {
			return mFragmentsList.size();
		}

		@Override
		public PhoneWebViewFragment getItem(int position) {
			return mFragmentsList.get(position);
		}

		@Override
		public long getItemId(int position) {			
			return position;
		}

		@Override
		public void notifyDataSetChanged() {
			mViews.clear();
			super.notifyDataSetChanged();
		}

		@Override
		public View getView(final int position, View convertView, ViewGroup parent) {
			final TabView tabview = new TabView(mActivity);
			
			PhoneWebViewFragment fragment = getItem(position);
			
			if (fragment.isStartPageShown()) {
				tabview.setTitle(R.string.StartPageLabel);
				tabview.setFavicon(null);
			} else {
				CustomWebView webView = fragment.getWebView();
				
				tabview.setTitle(webView.getTitle());
				
				tabview.setFavicon(webView.getFavicon());
				tabview.setImage(webView.isLoading() ? null : webView.capturePicture());
			}
			
			tabview.setSelected(position == mCurrentTabIndex);
			
			tabview.setOnClickListener(new OnClickListener() {
				
				@Override
				public void onClick(View v) {
					if (tabview.isClose(v)) {
						mPanel.getTabsScroller().animateOut(tabview);
					} else {
						showTabByIndex(position, true);
						mPanel.hidePanel();
					}
				}
			});
			
			mViews.put(position, tabview);
			
			return tabview;
		}
		
		public TabView getViewAt(int position) {
			return mViews.get(position);
		}
		
	}

}