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299 lines
10 KiB
299 lines
10 KiB
package acr.browser.lightning.activity; |
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import android.animation.ObjectAnimator; |
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import android.app.Activity; |
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import android.app.ProgressDialog; |
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import android.content.DialogInterface; |
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import android.content.DialogInterface.OnClickListener; |
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import android.content.Intent; |
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import android.graphics.PorterDuff; |
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import android.graphics.drawable.ColorDrawable; |
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import android.os.AsyncTask; |
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import android.os.Bundle; |
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import android.support.v7.app.AlertDialog; |
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import android.support.v7.app.AppCompatActivity; |
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import android.support.v7.widget.Toolbar; |
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import android.view.LayoutInflater; |
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import android.view.Menu; |
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import android.view.MenuItem; |
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import android.view.View; |
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import android.widget.SeekBar; |
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import android.widget.SeekBar.OnSeekBarChangeListener; |
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import android.widget.TextView; |
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import java.lang.ref.WeakReference; |
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import acr.browser.lightning.R; |
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import acr.browser.lightning.app.BrowserApp; |
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import acr.browser.lightning.constant.Constants; |
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import acr.browser.lightning.preference.PreferenceManager; |
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import acr.browser.lightning.reading.HtmlFetcher; |
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import acr.browser.lightning.reading.JResult; |
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import acr.browser.lightning.utils.ThemeUtils; |
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import acr.browser.lightning.utils.Utils; |
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public class ReadingActivity extends AppCompatActivity { |
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private TextView mTitle; |
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private TextView mBody; |
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private boolean mInvert; |
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private String mUrl = null; |
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private PreferenceManager mPreferences; |
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private int mTextSize; |
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private ProgressDialog mProgressDialog; |
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private PageLoader mLoaderReference; |
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private static final float XXLARGE = 30.0f; |
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private static final float XLARGE = 26.0f; |
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private static final float LARGE = 22.0f; |
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private static final float MEDIUM = 18.0f; |
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private static final float SMALL = 14.0f; |
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private static final float XSMALL = 10.0f; |
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@Override |
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protected void onCreate(Bundle savedInstanceState) { |
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overridePendingTransition(R.anim.slide_in_from_right, R.anim.fade_out_scale); |
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mPreferences = BrowserApp.getPreferenceManager(); |
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mInvert = mPreferences.getInvertColors(); |
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final int color; |
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if (mInvert) { |
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setTheme(R.style.Theme_SettingsTheme_Dark); |
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color = ThemeUtils.getPrimaryColorDark(this); |
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getWindow().setBackgroundDrawable(new ColorDrawable(color)); |
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} else { |
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setTheme(R.style.Theme_SettingsTheme); |
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color = ThemeUtils.getPrimaryColor(this); |
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getWindow().setBackgroundDrawable(new ColorDrawable(color)); |
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} |
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super.onCreate(savedInstanceState); |
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setContentView(R.layout.reading_view); |
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Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); |
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setSupportActionBar(toolbar); |
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if (getSupportActionBar() != null) |
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getSupportActionBar().setDisplayHomeAsUpEnabled(true); |
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mTitle = (TextView) findViewById(R.id.textViewTitle); |
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mBody = (TextView) findViewById(R.id.textViewBody); |
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mTextSize = mPreferences.getReadingTextSize(); |
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mBody.setTextSize(getTextSize(mTextSize)); |
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mTitle.setText(getString(R.string.untitled)); |
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mBody.setText(getString(R.string.loading)); |
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mTitle.setVisibility(View.INVISIBLE); |
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mBody.setVisibility(View.INVISIBLE); |
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Intent intent = getIntent(); |
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if (!loadPage(intent)) { |
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setText(getString(R.string.untitled), getString(R.string.loading_failed)); |
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} |
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} |
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private static float getTextSize(int size) { |
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switch (size) { |
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case 0: |
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return XSMALL; |
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case 1: |
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return SMALL; |
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case 2: |
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return MEDIUM; |
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case 3: |
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return LARGE; |
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case 4: |
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return XLARGE; |
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case 5: |
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return XXLARGE; |
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default: |
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return MEDIUM; |
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} |
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} |
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@Override |
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public boolean onCreateOptionsMenu(Menu menu) { |
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getMenuInflater().inflate(R.menu.reading, menu); |
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MenuItem invert = menu.findItem(R.id.invert_item); |
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MenuItem textSize = menu.findItem(R.id.text_size_item); |
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int iconColor = mInvert ? ThemeUtils.getIconDarkThemeColor(this) : ThemeUtils.getIconLightThemeColor(this); |
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if (invert != null && invert.getIcon() != null) |
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invert.getIcon().setColorFilter(iconColor, PorterDuff.Mode.SRC_IN); |
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if (textSize != null && textSize.getIcon() != null) |
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textSize.getIcon().setColorFilter(iconColor, PorterDuff.Mode.SRC_IN); |
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return super.onCreateOptionsMenu(menu); |
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} |
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private boolean loadPage(Intent intent) { |
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if (intent == null) { |
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return false; |
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} |
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mUrl = intent.getStringExtra(Constants.LOAD_READING_URL); |
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if (mUrl == null) { |
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return false; |
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} |
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if (getSupportActionBar() != null) |
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getSupportActionBar().setTitle(Utils.getDomainName(mUrl)); |
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mLoaderReference = new PageLoader(this); |
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mLoaderReference.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, mUrl); |
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return true; |
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} |
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private class PageLoader extends AsyncTask<String, Void, Void> { |
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private final WeakReference<Activity> mActivityReference; |
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private String mTitleText; |
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private String mBodyText; |
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public PageLoader(Activity activity) { |
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mActivityReference = new WeakReference<>(activity); |
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} |
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@Override |
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protected void onPreExecute() { |
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super.onPreExecute(); |
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Activity activity = mActivityReference.get(); |
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if (activity != null) { |
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mProgressDialog = new ProgressDialog(activity); |
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mProgressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER); |
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mProgressDialog.setCancelable(false); |
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mProgressDialog.setIndeterminate(true); |
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mProgressDialog.setMessage(activity.getString(R.string.loading)); |
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mProgressDialog.show(); |
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} |
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} |
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@Override |
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protected Void doInBackground(String... params) { |
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HtmlFetcher fetcher = new HtmlFetcher(); |
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try { |
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JResult result = fetcher.fetchAndExtract(params[0], 2500, true); |
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mTitleText = result.getTitle(); |
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mBodyText = result.getText(); |
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} catch (Exception e) { |
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mTitleText = ""; |
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mBodyText = ""; |
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e.printStackTrace(); |
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} catch (OutOfMemoryError e) { |
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System.gc(); |
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mTitleText = ""; |
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mBodyText = ""; |
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e.printStackTrace(); |
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} |
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return null; |
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} |
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@Override |
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protected void onPostExecute(Void result) { |
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if (mProgressDialog != null && mProgressDialog.isShowing()) { |
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mProgressDialog.dismiss(); |
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mProgressDialog = null; |
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} |
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if (mTitleText.isEmpty() || mBodyText.isEmpty()) { |
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setText(getString(R.string.untitled), getString(R.string.loading_failed)); |
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} else { |
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setText(mTitleText, mBodyText); |
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} |
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super.onPostExecute(result); |
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} |
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} |
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private void setText(String title, String body) { |
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if (mTitle == null || mBody == null) |
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return; |
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if (mTitle.getVisibility() == View.INVISIBLE) { |
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mTitle.setAlpha(0.0f); |
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mTitle.setVisibility(View.VISIBLE); |
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mTitle.setText(title); |
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ObjectAnimator animator = ObjectAnimator.ofFloat(mTitle, "alpha", 1.0f); |
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animator.setDuration(300); |
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animator.start(); |
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} else { |
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mTitle.setText(title); |
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} |
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if (mBody.getVisibility() == View.INVISIBLE) { |
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mBody.setAlpha(0.0f); |
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mBody.setVisibility(View.VISIBLE); |
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mBody.setText(body); |
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ObjectAnimator animator = ObjectAnimator.ofFloat(mBody, "alpha", 1.0f); |
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animator.setDuration(300); |
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animator.start(); |
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} else { |
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mBody.setText(body); |
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} |
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} |
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@Override |
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protected void onDestroy() { |
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if (mProgressDialog != null && mProgressDialog.isShowing()) { |
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mProgressDialog.dismiss(); |
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mProgressDialog = null; |
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} |
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mLoaderReference.cancel(true); |
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super.onDestroy(); |
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} |
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@Override |
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protected void onPause() { |
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super.onPause(); |
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if (isFinishing()) { |
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overridePendingTransition(R.anim.fade_in_scale, R.anim.slide_out_to_right); |
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} |
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} |
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@Override |
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public boolean onOptionsItemSelected(MenuItem item) { |
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switch (item.getItemId()) { |
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case R.id.invert_item: |
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mPreferences.setInvertColors(!mInvert); |
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Intent read = new Intent(this, ReadingActivity.class); |
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read.putExtra(Constants.LOAD_READING_URL, mUrl); |
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startActivity(read); |
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finish(); |
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break; |
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case R.id.text_size_item: |
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AlertDialog.Builder builder = new AlertDialog.Builder(this); |
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LayoutInflater inflater = this.getLayoutInflater(); |
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View view = inflater.inflate(R.layout.seek_layout, null); |
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final SeekBar bar = (SeekBar) view.findViewById(R.id.text_size_seekbar); |
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bar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() { |
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@Override |
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public void onProgressChanged(SeekBar view, int size, boolean user) { |
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mBody.setTextSize(getTextSize(size)); |
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} |
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@Override |
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public void onStartTrackingTouch(SeekBar arg0) { |
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} |
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@Override |
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public void onStopTrackingTouch(SeekBar arg0) { |
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} |
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}); |
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bar.setMax(5); |
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bar.setProgress(mTextSize); |
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builder.setView(view); |
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builder.setTitle(R.string.size); |
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builder.setPositiveButton(android.R.string.ok, new OnClickListener() { |
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@Override |
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public void onClick(DialogInterface arg0, int arg1) { |
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mTextSize = bar.getProgress(); |
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mBody.setTextSize(getTextSize(mTextSize)); |
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mPreferences.setReadingTextSize(bar.getProgress()); |
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} |
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}); |
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builder.show(); |
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break; |
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default: |
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finish(); |
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break; |
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} |
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return super.onOptionsItemSelected(item); |
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} |
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}
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