1 files changed, 439 insertions, 0 deletions

diff --git a/orgfoxttrss/src/main/java/org/fox/ttrss/offline/OfflineArticleFragment.java b/orgfoxttrss/src/main/java/org/fox/ttrss/offline/OfflineArticleFragment.java
new file mode 100644
index 00000000..985150a9
--- /dev/null
+++ b/orgfoxttrss/src/main/java/org/fox/ttrss/offline/OfflineArticleFragment.java
@@ -0,0 +1,439 @@
+package org.fox.ttrss.offline;
+
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URL;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+import org.fox.ttrss.CommonActivity;
+import org.fox.ttrss.R;
+import org.fox.ttrss.util.ImageCacheService;
+import org.fox.ttrss.util.TypefaceCache;
+import org.jsoup.Jsoup;
+import org.jsoup.nodes.Document;
+import org.jsoup.nodes.Element;
+import org.jsoup.select.Elements;
+
+import android.annotation.SuppressLint;
+import android.app.Activity;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.database.Cursor;
+import android.graphics.Color;
+import android.graphics.Typeface;
+import android.net.Uri;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.provider.BaseColumns;
+import android.support.v4.app.Fragment;
+import android.util.Log;
+import android.util.TypedValue;
+import android.view.ContextMenu;
+import android.view.ContextMenu.ContextMenuInfo;
+import android.view.KeyEvent;
+import android.view.LayoutInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.webkit.WebChromeClient;
+import android.webkit.WebSettings;
+import android.webkit.WebView;
+import android.webkit.WebView.HitTestResult;
+import android.widget.TextView;
+
+public class OfflineArticleFragment extends Fragment {
+	private final String TAG = this.getClass().getSimpleName();
+
+	private SharedPreferences m_prefs;
+	private int m_articleId;
+	private boolean m_isCat = false; // FIXME use
+	private Cursor m_cursor;
+	private OfflineActivity m_activity;
+	
+	public void initialize(int articleId) {
+		m_articleId = articleId;
+	}
+
+	@Override
+	public boolean onContextItemSelected(MenuItem item) {
+		/* AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
+				.getMenuInfo(); */
+		
+		switch (item.getItemId()) {
+		case R.id.article_link_share:
+			m_activity.shareArticle(m_articleId);
+			return true;
+		case R.id.article_link_copy:
+			if (true) {
+				Cursor article = m_activity.getArticleById(m_articleId);
+				
+				if (article != null) {				
+					m_activity.copyToClipboard(article.getString(article.getColumnIndex("link")));
+					article.close();
+				}
+			}
+			return true;
+		default:
+			Log.d(TAG, "onContextItemSelected, unhandled id=" + item.getItemId());
+			return super.onContextItemSelected(item);
+		}
+	}
+	
+	@Override
+	public void onCreateContextMenu(ContextMenu menu, View v,
+	    ContextMenuInfo menuInfo) {
+		
+		//getActivity().getMenuInflater().inflate(R.menu.article_link_context_menu, menu);
+		//menu.setHeaderTitle(m_cursor.getString(m_cursor.getColumnIndex("title")));
+		
+		String title = m_cursor.getString(m_cursor.getColumnIndex("title"));
+		
+		if (v.getId() == R.id.content) {
+			HitTestResult result = ((WebView)v).getHitTestResult();
+
+			if (result != null && (result.getType() == HitTestResult.IMAGE_TYPE || result.getType() == HitTestResult.SRC_IMAGE_ANCHOR_TYPE)) {
+				menu.setHeaderTitle(result.getExtra());
+				getActivity().getMenuInflater().inflate(R.menu.article_content_img_context_menu, menu);
+				
+				/* FIXME I have no idea how to do this correctly ;( */
+				
+				m_activity.setLastContentImageHitTestUrl(result.getExtra());
+				
+			} else {
+				menu.setHeaderTitle(title);
+				getActivity().getMenuInflater().inflate(R.menu.article_link_context_menu, menu);
+			}
+		} else {
+			menu.setHeaderTitle(title);
+			getActivity().getMenuInflater().inflate(R.menu.article_link_context_menu, menu);
+		}
+		
+		super.onCreateContextMenu(menu, v, menuInfo);	
+		
+	}
+	
+	@SuppressLint("NewApi")
+	@Override
+	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {    	
+
+		if (savedInstanceState != null) {
+			m_articleId = savedInstanceState.getInt("articleId");
+		}
+		
+		boolean useTitleWebView = m_prefs.getBoolean("article_compat_view", false);
+		
+		View view = inflater.inflate(useTitleWebView ? R.layout.article_fragment_compat : R.layout.article_fragment, container, false);
+
+		m_cursor = m_activity.getReadableDb().query("articles LEFT JOIN feeds ON (feed_id = feeds."+BaseColumns._ID+")", 
+				new String[] { "articles.*", "feeds.title AS feed_title" }, "articles." + BaseColumns._ID + "=?", 
+				new String[] { String.valueOf(m_articleId) }, null, null, null);
+
+		m_cursor.moveToFirst();
+		
+		if (m_cursor.isFirst()) {
+			if (!useTitleWebView) {
+				View scroll = view.findViewById(R.id.article_scrollview);
+
+				if (scroll != null) {
+					final float scale = getResources().getDisplayMetrics().density;
+					
+					if (m_activity.isSmallScreen()) {
+						scroll.setPadding((int)(8 * scale + 0.5f),
+								(int)(5 * scale + 0.5f),
+								(int)(8 * scale + 0.5f),
+								0);
+					} else {
+						scroll.setPadding((int)(25 * scale + 0.5f),
+								(int)(10 * scale + 0.5f),
+								(int)(25 * scale + 0.5f),
+								0);
+
+					}
+					
+				}
+			}
+			
+			int articleFontSize = Integer.parseInt(m_prefs.getString("article_font_size_sp", "16"));
+			int articleSmallFontSize = Math.max(10, Math.min(18, articleFontSize - 2));
+			
+			TextView title = (TextView)view.findViewById(R.id.title);
+
+			final String link = m_cursor.getString(m_cursor.getColumnIndex("link"));
+			
+			if (title != null) {
+				
+				if (m_prefs.getBoolean("enable_condensed_fonts", false)) {
+					Typeface tf = TypefaceCache.get(m_activity, "sans-serif-condensed", Typeface.NORMAL);
+					
+					if (tf != null && !tf.equals(title.getTypeface())) {
+						title.setTypeface(tf);
+					}
+					
+					title.setTextSize(TypedValue.COMPLEX_UNIT_SP, Math.min(21, articleFontSize + 5));
+				} else {
+					title.setTextSize(TypedValue.COMPLEX_UNIT_SP, Math.min(21, articleFontSize + 3));
+				}
+				
+				String titleStr;
+				
+				if (m_cursor.getString(m_cursor.getColumnIndex("title")).length() > 200)
+					titleStr = m_cursor.getString(m_cursor.getColumnIndex("title")).substring(0, 200) + "...";
+				else
+					titleStr = m_cursor.getString(m_cursor.getColumnIndex("title"));
+								
+				title.setText(titleStr);
+				//title.setPaintFlags(title.getPaintFlags() | Paint.UNDERLINE_TEXT_FLAG);
+				title.setOnClickListener(new OnClickListener() {					
+					@Override
+					public void onClick(View v) {
+						try {
+							URL url = new URL(link.trim());
+							String uri = new URI(url.getProtocol(), url.getUserInfo(), url.getHost(),
+								url.getPort(), url.getPath(), url.getQuery(), url.getRef()).toString();
+							Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
+							startActivity(intent);
+						} catch (Exception e) {
+							e.printStackTrace();
+							m_activity.toast(R.string.error_other_error);
+						}
+					}
+				});
+				
+				registerForContextMenu(title);
+			}
+			
+			TextView comments = (TextView)view.findViewById(R.id.comments);
+			
+			if (comments != null) {
+				comments.setVisibility(View.GONE);
+			}
+			
+			TextView note = (TextView)view.findViewById(R.id.note);
+			
+			if (note != null) {
+				note.setVisibility(View.GONE);
+			}
+			
+			final WebView web = (WebView)view.findViewById(R.id.content);
+			
+			if (web != null) {
+				
+				web.setOnLongClickListener(new View.OnLongClickListener() {					
+					@Override
+					public boolean onLongClick(View v) {
+						HitTestResult result = ((WebView)v).getHitTestResult();
+
+						if (result != null && (result.getType() == HitTestResult.IMAGE_TYPE || result.getType() == HitTestResult.SRC_IMAGE_ANCHOR_TYPE)) {
+							registerForContextMenu(web);
+							m_activity.openContextMenu(web);
+							unregisterForContextMenu(web);
+							return true;
+						} else {
+							if (m_activity.isCompatMode()) {
+								KeyEvent shiftPressEvent = new KeyEvent(0, 0, KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_SHIFT_LEFT, 0, 0);
+								shiftPressEvent.dispatch(web);
+							}
+							
+							return false;
+						}
+					}
+				});
+				
+				web.setWebChromeClient(new WebChromeClient() {					
+					@Override
+	                public void onProgressChanged(WebView view, int progress) {
+	                	m_activity.setProgress(Math.round(((float)progress / 100f) * 10000));
+	                	if (progress == 100) {
+	                		m_activity.setProgressBarVisibility(false);
+	                	}
+	                }
+				});
+				
+				String content;
+				String cssOverride = "";
+				
+				WebSettings ws = web.getSettings();
+				ws.setSupportZoom(false);
+
+				TypedValue tv = new TypedValue();				
+			    getActivity().getTheme().resolveAttribute(R.attr.linkColor, tv, true);
+			    
+			    // prevent flicker in ics
+			    if (!m_prefs.getBoolean("webview_hardware_accel", true) || useTitleWebView) {
+			    	if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
+			    		web.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
+			    	}
+			    }
+			    
+			    String theme = m_prefs.getString("theme", CommonActivity.THEME_DEFAULT); 
+			    
+			    if (CommonActivity.THEME_HOLO.equals(theme)) {
+					cssOverride = "body { background : transparent; color : #e0e0e0}";
+				} else if (CommonActivity.THEME_DARK.equals(theme)) {
+					cssOverride = "body { background : transparent; color : #e0e0e0}";
+				} else {
+					cssOverride = "body { background : transparent; }";
+				}
+
+				if (useTitleWebView || android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.HONEYCOMB) {
+					web.setBackgroundColor(Color.TRANSPARENT);
+				} else {
+					// seriously?
+					web.setBackgroundColor(Color.argb(1, 0, 0, 0));
+				}
+				
+				String hexColor = String.format("#%06X", (0xFFFFFF & tv.data));
+			    cssOverride += " a:link {color: "+hexColor+";} a:visited { color: "+hexColor+";}";
+				
+			    cssOverride += " table { width : 100%; }";
+			    
+				String articleContent = m_cursor.getString(m_cursor.getColumnIndex("content"));
+				Document doc = Jsoup.parse(articleContent);
+					
+				if (doc != null) {
+					if (m_prefs.getBoolean("offline_image_cache_enabled", false)) {
+						
+						Elements images = doc.select("img");
+						
+						for (Element img : images) {
+							String url = img.attr("src");
+							
+							if (ImageCacheService.isUrlCached(m_activity, url)) {						
+								img.attr("src", "file://" + ImageCacheService.getCacheFileName(m_activity, url));
+							}						
+						}
+					}
+					
+					// thanks webview for crashing on <video> tag
+					Elements videos = doc.select("video");
+					
+					for (Element video : videos)
+						video.remove();
+					
+					articleContent = doc.toString();
+				}
+				
+				if (m_prefs.getBoolean("justify_article_text", true)) {
+					cssOverride += "body { text-align : justify; } ";
+				}
+				
+				ws.setDefaultFontSize(articleFontSize);
+				
+				content = 
+					"<html>" +
+					"<head>" +
+					"<meta content=\"text/html; charset=utf-8\" http-equiv=\"content-type\">" +
+					"<meta name=\"viewport\" content=\"width=device-width, user-scalable=no\" />" +
+					"<style type=\"text/css\">" +
+					"body { padding : 0px; margin : 0px; line-height : 130%; }" +
+					cssOverride +
+					"img { max-width : 100%; width : auto; height : auto; }" +
+					"</style>" +
+					"</head>" +
+					"<body>" + articleContent;
+				
+				if (useTitleWebView) {
+					content += "<p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>";
+				}
+				
+				content += "</body></html>";
+				
+				try {
+					String baseUrl = null;
+					
+					try {
+						URL url = new URL(link);
+						baseUrl = url.getProtocol() + "://" + url.getHost();
+					} catch (MalformedURLException e) {
+						//
+					}
+					
+					web.loadDataWithBaseURL(baseUrl, content, "text/html", "utf-8", null);
+				} catch (RuntimeException e) {					
+					e.printStackTrace();
+				}
+				
+			
+			}
+			
+			TextView dv = (TextView)view.findViewById(R.id.date);
+			
+			if (dv != null) {
+				dv.setTextSize(TypedValue.COMPLEX_UNIT_SP, articleSmallFontSize);
+				
+				Date d = new Date(m_cursor.getInt(m_cursor.getColumnIndex("updated")) * 1000L);
+				DateFormat df = new SimpleDateFormat("MMM dd, HH:mm");
+				dv.setText(df.format(d));
+			}
+
+			TextView author = (TextView)view.findViewById(R.id.author);
+
+			boolean hasAuthor = false;
+			
+			if (author != null) {
+				author.setTextSize(TypedValue.COMPLEX_UNIT_SP, articleSmallFontSize);
+				
+				int authorIndex = m_cursor.getColumnIndex("author");
+				if (authorIndex >= 0)
+					author.setText(m_cursor.getString(authorIndex));
+				else
+					author.setVisibility(View.GONE);
+				
+				hasAuthor = true;
+			}
+
+			TextView tagv = (TextView)view.findViewById(R.id.tags);
+						
+			if (tagv != null) {
+				tagv.setTextSize(TypedValue.COMPLEX_UNIT_SP, articleSmallFontSize);
+
+				int feedTitleIndex = m_cursor.getColumnIndex("feed_title");
+
+				if (feedTitleIndex != -1 /* && m_isCat */) {
+					String fTitle = m_cursor.getString(feedTitleIndex);
+					
+					int authorIndex = m_cursor.getColumnIndex("author");
+					
+					if (!hasAuthor && authorIndex >= 0) {
+						fTitle += " (" + getString(R.string.author_formatted, m_cursor.getString(authorIndex)) + ")";
+					}
+					
+					tagv.setText(fTitle);
+				} else {				
+					String tagsStr = m_cursor.getString(m_cursor.getColumnIndex("tags"));
+					tagv.setText(tagsStr);
+				}
+			}	
+			
+		} 
+		
+		return view;    	
+	}
+
+	@Override
+	public void onDestroy() {
+		super.onDestroy();	
+		
+		m_cursor.close();
+	}
+	
+	@Override
+	public void onSaveInstanceState (Bundle out) {		
+		super.onSaveInstanceState(out);
+		
+		out.putInt("articleId", m_articleId);
+	}
+	
+	@Override
+	public void onAttach(Activity activity) {
+		super.onAttach(activity);		
+		
+		m_prefs = PreferenceManager.getDefaultSharedPreferences(getActivity().getApplicationContext());
+
+		m_activity = (OfflineActivity) activity;
+		
+	}
+}