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use viewholder for headlines view

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automatically enlarge flavor image
This commit is contained in:
Andrew Dolgov 2014-10-16 13:53:44 +04:00
parent 636ddc3623
commit 811bc035c0
7 changed files with 364 additions and 103 deletions
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2
.settings/org.eclipse.core.resources.prefs Normal file
View File

@ -0,0 +1,2 @@
eclipse.preferences.version=1
encoding//src/org/fox/ttrss/util/EnlargingImageView.java=UTF-8

12
res/layout/headlines_row.xml
View File

@ -81,18 +81,16 @@
android:layout_gravity="center"
android:layout_height="wrap_content" >
<ImageView
<org.fox.ttrss.util.EnlargingImageView
android:id="@+id/flavor_image"
android:layout_width="wrap_content"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:adjustViewBounds="true"
android:background="@drawable/flavor_image_border"
android:cropToPadding="true"
android:maxHeight="256dp"
android:padding="1dp"
android:scaleType="centerInside"
android:src="@null"
android:scaleType="fitCenter"
android:cropToPadding="true"
android:padding="2dp"
android:visibility="gone" />
</FrameLayout>

12
res/layout/headlines_row_selected.xml
View File

@ -79,18 +79,16 @@
android:layout_gravity="center"
android:layout_height="wrap_content" >
<ImageView
<org.fox.ttrss.util.EnlargingImageView
android:id="@+id/flavor_image"
android:layout_width="wrap_content"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:adjustViewBounds="true"
android:background="@drawable/flavor_image_border"
android:cropToPadding="true"
android:maxHeight="256dp"
android:padding="1dp"
android:scaleType="centerInside"
android:src="@null"
android:scaleType="fitCenter"
android:cropToPadding="true"
android:padding="2dp"
android:visibility="gone" />
</FrameLayout>

12
res/layout/headlines_row_selected_unread.xml
View File

@ -80,18 +80,16 @@
android:layout_gravity="center"
android:layout_height="wrap_content" >
<ImageView
<org.fox.ttrss.util.EnlargingImageView
android:id="@+id/flavor_image"
android:layout_width="wrap_content"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:adjustViewBounds="true"
android:background="@drawable/flavor_image_border"
android:cropToPadding="true"
android:maxHeight="256dp"
android:padding="1dp"
android:scaleType="centerInside"
android:src="@null"
android:scaleType="fitCenter"
android:cropToPadding="true"
android:padding="2dp"
android:visibility="gone" />
</FrameLayout>

16
res/layout/headlines_row_unread.xml
View File

@ -76,21 +76,19 @@
<FrameLayout
android:id="@+id/flavorImageHolder"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="3dp" >
android:layout_height="wrap_content"
android:padding="10dp" >
<ImageView
<org.fox.ttrss.util.EnlargingImageView
android:id="@+id/flavor_image"
android:layout_width="wrap_content"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:adjustViewBounds="true"
android:background="@drawable/flavor_image_border"
android:cropToPadding="true"
android:maxHeight="256dp"
android:padding="1dp"
android:scaleType="centerInside"
android:src="@null"
android:scaleType="fitCenter"
android:cropToPadding="true"
android:padding="2dp"
android:visibility="gone" />
</FrameLayout>

161
src/org/fox/ttrss/HeadlinesFragment.java
View File

@ -648,6 +648,20 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
}
} */
static class HeadlineViewHolder {
public TextView titleView;
public TextView feedTitleView;
public ImageView markedView;
public ImageView publishedView;
public TextView excerptView;
public ImageView flavorImageView;
public TextView authorView;
public TextView dateView;
public CheckBox selectionBoxView;
public ImageView menuButtonView;
}
private class ArticleListAdapter extends ArrayAdapter<Article> {
private ArrayList<Article> items;
@ -697,8 +711,9 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
public View getView(int position, View convertView, ViewGroup parent) {
View v = convertView;
final Article article = items.get(position);
HeadlineViewHolder holder;
int headlineFontSize = Integer.parseInt(m_prefs.getString("headlines_font_size_sp", "13"));
int headlineSmallFontSize = Math.max(10, Math.min(18, headlineFontSize - 2));
@ -723,55 +738,71 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
LayoutInflater vi = (LayoutInflater)getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
v = vi.inflate(layoutId, null);
holder = new HeadlineViewHolder();
holder.titleView = (TextView)v.findViewById(R.id.title);
holder.feedTitleView = (TextView)v.findViewById(R.id.feed_title);
holder.markedView = (ImageView)v.findViewById(R.id.marked);
holder.publishedView = (ImageView)v.findViewById(R.id.published);
holder.excerptView = (TextView)v.findViewById(R.id.excerpt);
holder.flavorImageView = (ImageView) v.findViewById(R.id.flavor_image);
holder.authorView = (TextView)v.findViewById(R.id.author);
holder.dateView = (TextView) v.findViewById(R.id.date);
holder.selectionBoxView = (CheckBox) v.findViewById(R.id.selected);
holder.menuButtonView = (ImageView) v.findViewById(R.id.article_menu_button);
v.setTag(holder);
// http://code.google.com/p/android/issues/detail?id=3414
((ViewGroup)v).setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
} else {
holder = (HeadlineViewHolder) v.getTag();
}
TextView tt = (TextView)v.findViewById(R.id.title);
if (tt != null) {
tt.setText(Html.fromHtml(article.title));
if (holder.titleView != null) {
holder.titleView.setText(Html.fromHtml(article.title));
if (m_prefs.getBoolean("enable_condensed_fonts", false)) {
Typeface tf = TypefaceCache.get(m_activity, "sans-serif-condensed", article.unread ? Typeface.BOLD : Typeface.NORMAL);
if (tf != null && !tf.equals(tt.getTypeface())) {
tt.setTypeface(tf);
if (tf != null && !tf.equals(holder.titleView.getTypeface())) {
holder.titleView.setTypeface(tf);
}
tt.setTextSize(TypedValue.COMPLEX_UNIT_SP, Math.min(21, headlineFontSize + 5));
holder.titleView.setTextSize(TypedValue.COMPLEX_UNIT_SP, Math.min(21, headlineFontSize + 5));
} else {
tt.setTextSize(TypedValue.COMPLEX_UNIT_SP, Math.min(21, headlineFontSize + 3));
holder.titleView.setTextSize(TypedValue.COMPLEX_UNIT_SP, Math.min(21, headlineFontSize + 3));
}
adjustTitleTextView(article.score, tt, position);
adjustTitleTextView(article.score, holder.titleView, position);
}
TextView ft = (TextView)v.findViewById(R.id.feed_title);
if (ft != null) {
if (holder.feedTitleView != null) {
if (article.feed_title != null && (m_feed.is_cat || m_feed.id < 0)) {
/* if (article.feed_title.length() > 20)
ft.setText(article.feed_title.substring(0, 20) + "...");
else */
ft.setTextSize(TypedValue.COMPLEX_UNIT_SP, headlineSmallFontSize);
ft.setText(article.feed_title);
holder.feedTitleView.setTextSize(TypedValue.COMPLEX_UNIT_SP, headlineSmallFontSize);
holder.feedTitleView.setText(article.feed_title);
} else {
ft.setVisibility(View.GONE);
holder.feedTitleView.setVisibility(View.GONE);
}
}
ImageView marked = (ImageView)v.findViewById(R.id.marked);
if (marked != null) {
marked.setImageResource(article.marked ? R.drawable.ic_star_full : R.drawable.ic_star_empty);
if (holder.markedView != null) {
holder.markedView.setImageResource(article.marked ? R.drawable.ic_star_full : R.drawable.ic_star_empty);
marked.setOnClickListener(new OnClickListener() {
holder.markedView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
@ -783,12 +814,12 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
});
}
ImageView published = (ImageView)v.findViewById(R.id.published);
if (published != null) {
published.setImageResource(article.published ? R.drawable.ic_published : R.drawable.ic_unpublished);
if (holder.publishedView != null) {
holder.publishedView.setImageResource(article.published ? R.drawable.ic_published : R.drawable.ic_unpublished);
published.setOnClickListener(new OnClickListener() {
holder.publishedView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
@ -802,31 +833,29 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
String articleContent = article.content != null ? article.content : "";
TextView te = (TextView)v.findViewById(R.id.excerpt);
if (te != null) {
if (holder.excerptView != null) {
if (!m_prefs.getBoolean("headlines_show_content", true)) {
te.setVisibility(View.GONE);
holder.excerptView.setVisibility(View.GONE);
} else {
String excerpt = Jsoup.parse(articleContent).text();
if (excerpt.length() > CommonActivity.EXCERPT_MAX_SIZE)
excerpt = excerpt.substring(0, CommonActivity.EXCERPT_MAX_SIZE) + "...";
te.setTextSize(TypedValue.COMPLEX_UNIT_SP, headlineFontSize);
te.setText(excerpt);
holder.excerptView.setTextSize(TypedValue.COMPLEX_UNIT_SP, headlineFontSize);
holder.excerptView.setText(excerpt);
}
}
final ImageView flavorImage = (ImageView) v.findViewById(R.id.flavor_image);
if (flavorImage != null && m_prefs.getBoolean("headlines_show_flavor_image", true)) {
flavorImage.setVisibility(View.GONE);
if (holder.flavorImageView != null && m_prefs.getBoolean("headlines_show_flavor_image", true)) {
holder.flavorImageView.setVisibility(View.GONE);
Document doc = Jsoup.parse(articleContent);
if (doc != null) {
Element img = doc.select("img").first();
if (doc != null) {
if (img != null) {
String imgSrc = img.attr("src");
@ -835,14 +864,14 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
if (imgSrc.indexOf("//") == 0)
imgSrc = "http:" + imgSrc;
flavorImage.setTag(imgSrc);
DisplayImageOptions options = new DisplayImageOptions.Builder().
cacheInMemory(true).
cacheOnDisk(true).
build();
ImageLoader.getInstance().displayImage(imgSrc, flavorImage, options, new ImageLoadingListener() {
final ImageView flavorImageView = holder.flavorImageView;
ImageLoader.getInstance().displayImage(imgSrc, holder.flavorImageView, options, new ImageLoadingListener() {
@Override
public void onLoadingCancelled(String arg0,
@ -859,14 +888,16 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
if (!isAdded()) return;
if (arg2.getWidth() > 128 && arg2.getHeight() > 128) {
if (!m_activity.isCompatMode()) {
ObjectAnimator anim = ObjectAnimator.ofFloat(flavorImage, "alpha", 0f, 1f);
anim.setDuration(500);
anim.start();
if (arg0 != null && !arg0.equals(arg1.getTag())) {
if (!m_activity.isCompatMode() && flavorImageView.getVisibility() != View.VISIBLE) {
ObjectAnimator anim = ObjectAnimator.ofFloat(flavorImageView, "alpha", 0f, 1f);
anim.setDuration(500);
anim.start();
}
}
flavorImage.setVisibility(View.VISIBLE);
flavorImageView.setTag(arg0);
flavorImageView.setVisibility(View.VISIBLE);
}
}
@ -874,7 +905,6 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
public void onLoadingFailed(String arg0,
View arg1, FailReason arg2) {
// TODO Auto-generated method stub
}
@Override
@ -885,9 +915,6 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
}
});
//new DownloadFlavorImagesTask().execute(flavorImage);
}
}
@ -896,40 +923,30 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
String articleAuthor = article.author != null ? article.author : "";
TextView author = (TextView)v.findViewById(R.id.author);
if (author != null) {
author.setTextSize(TypedValue.COMPLEX_UNIT_SP, headlineSmallFontSize);
if (holder.authorView != null) {
holder.authorView.setTextSize(TypedValue.COMPLEX_UNIT_SP, headlineSmallFontSize);
if (articleAuthor.length() > 0) {
author.setText(getString(R.string.author_formatted, articleAuthor));
holder.authorView.setText(getString(R.string.author_formatted, articleAuthor));
} else {
author.setText("");
holder.authorView.setText("");
}
}
/* ImageView separator = (ImageView)v.findViewById(R.id.headlines_separator);
if (separator != null && m_onlineServices.isSmallScreen()) {
separator.setVisibility(View.GONE);
} */
TextView dv = (TextView) v.findViewById(R.id.date);
if (dv != null) {
dv.setTextSize(TypedValue.COMPLEX_UNIT_SP, headlineSmallFontSize);
if (holder.dateView != null) {
holder.dateView.setTextSize(TypedValue.COMPLEX_UNIT_SP, headlineSmallFontSize);
Date d = new Date((long)article.updated * 1000);
DateFormat df = new SimpleDateFormat("MMM dd, HH:mm");
df.setTimeZone(TimeZone.getDefault());
dv.setText(df.format(d));
holder.dateView.setText(df.format(d));
}
CheckBox cb = (CheckBox) v.findViewById(R.id.selected);
if (cb != null) {
cb.setChecked(m_selectedArticles.contains(article));
cb.setOnClickListener(new OnClickListener() {
if (holder.selectionBoxView != null) {
holder.selectionBoxView.setChecked(m_selectedArticles.contains(article));
holder.selectionBoxView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
@ -948,14 +965,12 @@ public class HeadlinesFragment extends Fragment implements OnItemClickListener,
}
});
}
ImageView iv = (ImageView) v.findViewById(R.id.article_menu_button);
if (iv != null) {
if (holder.menuButtonView != null) {
//if (m_activity.isDarkTheme())
// ib.setImageResource(R.drawable.ic_mailbox_collapsed_holo_dark);
iv.setOnClickListener(new OnClickListener() {
holder.menuButtonView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
getActivity().openContextMenu(v);

252
src/org/fox/ttrss/util/EnlargingImageView.java Normal file
View File

@ -0,0 +1,252 @@
package org.fox.ttrss.util;
/*
* Copyright (C) 2013 Tomáš Procházka
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.lang.reflect.Field;
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
/**
* Special version of ImageView which allow enlarge width of image if android:adjustViewBounds is true.
*
* <p>It simulate HTML behaviour &lt;img src="" widh="100" /&gt;</p>
* <p><a href="http://stackoverflow.com/questions/6202000/imageview-one-dimension-to-fit-free-space-and-second-evaluate-to-keep-aspect-rati">Stackoverflow question link</a></p>
*
* <p>It also allow set related view which will be used as reference for size measure.</p>
*
* @author Tomáš Procházka &lt;<a href="mailto:tomas.prochazka@inmite.eu">tomas.prochazka@gmail.com</a>&gt;
* @version $Revision: 0$ ($Date: 6.6.2011 18:16:52$)
*/
public class EnlargingImageView extends android.widget.ImageView {
private int mDrawableWidth;
private int mDrawableHeight;
private boolean mAdjustViewBoundsL;
private int mMaxWidthL = Integer.MAX_VALUE;
private int mMaxHeightL = Integer.MAX_VALUE;
private View relatedView;
public EnlargingImageView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
// hack for acces some private field of parent :-(
Field f;
try {
f = android.widget.ImageView.class.getDeclaredField("mAdjustViewBounds");
f.setAccessible(true);
setAdjustViewBounds((Boolean) f.get(this));
f = android.widget.ImageView.class.getDeclaredField("mMaxWidth");
f.setAccessible(true);
setMaxWidth((Integer) f.get(this));
f = android.widget.ImageView.class.getDeclaredField("mMaxHeight");
f.setAccessible(true);
setMaxHeight((Integer) f.get(this));
} catch (Exception e) {
e.printStackTrace();
}
}
public EnlargingImageView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public EnlargingImageView(Context context) {
super(context);
}
public void setAdjustViewBounds(boolean adjustViewBounds) {
super.setAdjustViewBounds(adjustViewBounds);
mAdjustViewBoundsL = adjustViewBounds;
}
public void setMaxWidth(int maxWidth) {
super.setMaxWidth(maxWidth);
mMaxWidthL = maxWidth;
}
public void setMaxHeight(int maxHeight) {
super.setMaxHeight(maxHeight);
mMaxHeightL = maxHeight;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
if (getDrawable() == null) {
setMeasuredDimension(0, 0);
return;
}
mDrawableWidth = getDrawable().getIntrinsicWidth();
mDrawableHeight = getDrawable().getIntrinsicHeight();
int w = 0;
int h = 0;
// Desired aspect ratio of the view's contents (not including padding)
float desiredAspect = 0.0f;
// We are allowed to change the view's width
boolean resizeWidth = false;
// We are allowed to change the view's height
boolean resizeHeight = false;
if (mDrawableWidth > 0) {
w = mDrawableWidth;
h = mDrawableHeight;
if (w <= 0) w = 1;
if (h <= 0) h = 1;
// We are supposed to adjust view bounds to match the aspect
// ratio of our drawable. See if that is possible.
if (mAdjustViewBoundsL) {
int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec);
int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec);
resizeWidth = widthSpecMode != MeasureSpec.EXACTLY;
resizeHeight = heightSpecMode != MeasureSpec.EXACTLY;
desiredAspect = (float) w / (float) h;
}
}
int pleft = getPaddingLeft();
int pright = getPaddingRight();
int ptop = getPaddingTop();
int pbottom = getPaddingBottom();
int widthSize;
int heightSize;
if (resizeWidth || resizeHeight) {
/* If we get here, it means we want to resize to match the
drawables aspect ratio, and we have the freedom to change at
least one dimension.
*/
// Get the max possible width given our constraints
widthSize = resolveAdjustedSize(w + pleft + pright,
mMaxWidthL, widthMeasureSpec);
// Get the max possible height given our constraints
heightSize = resolveAdjustedSize(h + ptop + pbottom,
mMaxHeightL, heightMeasureSpec);
if (desiredAspect != 0.0f) {
// See what our actual aspect ratio is
float actualAspect = (float) (widthSize - pleft - pright) /
(heightSize - ptop - pbottom);
if (Math.abs(actualAspect - desiredAspect) > 0.0000001) {
// Try adjusting width to be proportional to height
if (resizeWidth) {
int newWidth = (int) (desiredAspect * (heightSize - ptop - pbottom)) + pleft + pright;
if (/*newWidth <= widthSize &&*/newWidth > 0) {
widthSize = Math.min(newWidth, mMaxWidthL);
heightSize = (int) ((widthSize - pleft - pright) / desiredAspect) + ptop + pbottom;
}
}
// Try adjusting height to be proportional to width
if (resizeHeight) {
int newHeight = (int) ((widthSize - pleft - pright) / desiredAspect) + ptop + pbottom;
if (/*newHeight <= heightSize && */newHeight > 0) {
heightSize = Math.min(newHeight, mMaxHeightL);
widthSize = (int) (desiredAspect * (heightSize - ptop - pbottom)) + pleft + pright;
}
}
}
}
} else {
/* We are either don't want to preserve the drawables aspect ratio,
or we are not allowed to change view dimensions. Just measure in
the normal way.
*/
w += pleft + pright;
h += ptop + pbottom;
w = Math.max(w, getSuggestedMinimumWidth());
h = Math.max(h, getSuggestedMinimumHeight());
widthSize = resolveSize(w, widthMeasureSpec);
heightSize = resolveSize(h, heightMeasureSpec);
}
//Log.d(Constants.LOGTAG, mDrawableWidth + ":" + mDrawableHeight + " to " + widthSize + ":" + heightSize);
setMeasuredDimension(widthSize, heightSize);
if (relatedView != null) {
//Log.i(Constants.LOGTAG, getTag() + " onMeasure:" + widthSize + ", " + heightSize + " update size of related view!");
relatedView.getLayoutParams().width = widthSize;
relatedView.getLayoutParams().height = heightSize;
}
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
//Log.d(Constants.LOGTAG, getTag() + " onLayout:" + left + ", " + top + ", " + right + ", " + bottom);
}
/**
* Experimental. This view will be set to the same size as this image.
*/
public void setRelatedView(View view) {
relatedView = view;
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
//Log.d(Constants.LOGTAG, getTag() + " onSizeChanged:" + w + ", " + h + ", " + oldw + ", " + oldh);
}
private int resolveAdjustedSize(int desiredSize, int maxSize, int measureSpec) {
int result = desiredSize;
int specMode = MeasureSpec.getMode(measureSpec);
int specSize = MeasureSpec.getSize(measureSpec);
switch (specMode) {
case MeasureSpec.UNSPECIFIED:
/* Parent says we can be as big as we want. Just don't be larger
than max size imposed on ourselves.
*/
result = Math.min(desiredSize, maxSize);
break;
case MeasureSpec.AT_MOST:
// Parent says we can be as big as we want, up to specSize.
// Don't be larger than specSize, and don't be larger than
// the max size imposed on ourselves.
result = Math.min(Math.min(desiredSize, specSize), maxSize);
break;
case MeasureSpec.EXACTLY:
// No choice. Do what we are told.
result = specSize;
break;
}
return result;
}
}