| package org.wordpress.android.ui.posts; |
| |
| import android.app.Fragment; |
| import android.os.AsyncTask; |
| import android.os.Bundle; |
| import android.text.SpannableString; |
| import android.text.Spanned; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.ViewTreeObserver; |
| import android.webkit.WebView; |
| import android.widget.TextView; |
| |
| import org.wordpress.android.R; |
| import org.wordpress.android.models.Post; |
| import org.wordpress.android.util.StringUtils; |
| import org.wordpress.android.util.WPHtml; |
| |
| public class EditPostPreviewFragment extends Fragment { |
| // TODO: remove mActivity and rely on getActivity() |
| private EditPostActivity mActivity; |
| private WebView mWebView; |
| private TextView mTextView; |
| private LoadPostPreviewTask mLoadTask; |
| |
| @Override |
| public View onCreateView(LayoutInflater inflater, ViewGroup container, |
| Bundle savedInstanceState) { |
| mActivity = (EditPostActivity)getActivity(); |
| |
| ViewGroup rootView = (ViewGroup) inflater |
| .inflate(R.layout.edit_post_preview_fragment, container, false); |
| mWebView = (WebView) rootView.findViewById(R.id.post_preview_webview); |
| mTextView = (TextView) rootView.findViewById(R.id.post_preview_textview); |
| mTextView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { |
| @Override |
| public void onGlobalLayout() { |
| if (mActivity != null) { |
| loadPost(); |
| } |
| mTextView.getViewTreeObserver().removeGlobalOnLayoutListener(this); |
| } |
| }); |
| |
| return rootView; |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| |
| if (mActivity != null && !mTextView.isLayoutRequested()) { |
| loadPost(); |
| } |
| } |
| |
| @Override |
| public void onPause() { |
| super.onPause(); |
| |
| if (mLoadTask != null) { |
| mLoadTask.cancel(true); |
| mLoadTask = null; |
| } |
| } |
| |
| public void loadPost() { |
| if (mLoadTask == null) { |
| mLoadTask = new LoadPostPreviewTask(); |
| mLoadTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR); |
| } |
| } |
| |
| // Load post content in the background |
| private class LoadPostPreviewTask extends AsyncTask<Void, Void, Spanned> { |
| @Override |
| protected Spanned doInBackground(Void... params) { |
| Spanned contentSpannable; |
| |
| if (mActivity == null || mActivity.getPost() == null) { |
| return null; |
| } |
| |
| Post post = mActivity.getPost(); |
| |
| String postTitle = "<h1>" + post.getTitle() + "</h1>"; |
| String postContent = postTitle + post.getDescription() + "\n\n" + post.getMoreText(); |
| |
| if (post.isLocalDraft()) { |
| contentSpannable = WPHtml.fromHtml( |
| postContent.replaceAll("\uFFFC", ""), |
| mActivity, |
| post, |
| Math.min(mTextView.getWidth(), mTextView.getHeight()) |
| ); |
| } else { |
| String htmlText = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?><html><head><link rel=\"stylesheet\" type=\"text/css\" href=\"webview.css\" /></head><body><div id=\"container\">%s</div></body></html>"; |
| htmlText = String.format(htmlText, StringUtils.addPTags(postContent)); |
| contentSpannable = new SpannableString(htmlText); |
| } |
| |
| return contentSpannable; |
| } |
| |
| @Override |
| protected void onPostExecute(Spanned spanned) { |
| if (mActivity != null && mActivity.getPost() != null && spanned != null) { |
| if (mActivity.getPost().isLocalDraft()) { |
| mTextView.setVisibility(View.VISIBLE); |
| mWebView.setVisibility(View.GONE); |
| mTextView.setText(spanned); |
| } else { |
| mTextView.setVisibility(View.GONE); |
| mWebView.setVisibility(View.VISIBLE); |
| |
| mWebView.loadDataWithBaseURL("file:///android_asset/", spanned.toString(), |
| "text/html", "utf-8", null); |
| } |
| } |
| |
| mLoadTask = null; |
| } |
| } |
| } |
