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Code Issues Packages Projects Releases Wiki Activity

WebView refactoring

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This commit is contained in:
M66B
2019-10-11 22:00:40 +02:00
parent be5393ea50
commit ac32344ebb
2 changed files with 212 additions and 124 deletions
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166
app/src/main/java/eu/faircode/email/AdapterMessage.java
View File

@@ -79,10 +79,7 @@ import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.view.ViewStub;
import android.view.animation.AccelerateDecelerateInterpolator;
import android.webkit.DownloadListener;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
@@ -1291,12 +1288,11 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
}
}
int dp60 = Helper.dp2pixels(context, 60);
boolean show_full = properties.getValue("full", message.id);
boolean show_images = properties.getValue("images", message.id);
boolean show_quotes = (properties.getValue("quotes", message.id) || !collapse_quotes);
float size = properties.getSize(message.id, show_full ? 0 : textSize);
int height = properties.getHeight(message.id, dp60);
int height = properties.getHeight(message.id, 0);
Pair<Integer, Integer> position = properties.getPosition(message.id);
Log.i("Bind size=" + size + " height=" + height);
@@ -1306,30 +1302,11 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
if (show_full) {
// Create web view
WebView webView;
WebViewEx webView;
if (wvBody instanceof WebView)
webView = (WebView) wvBody;
webView = (WebViewEx) wvBody;
else {
webView = new WebView(context) {
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
if (height > dp60)
super.onMeasure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(height, MeasureSpec.AT_MOST));
else
super.onMeasure(widthMeasureSpec, heightMeasureSpec); // Unspecified
int mh = getMeasuredHeight();
Log.i("Measured height=" + mh);
if (mh == 0)
setMeasuredDimension(getMeasuredWidth(), height);
}
@Override
protected void onSizeChanged(int w, int h, int ow, int oh) {
super.onSizeChanged(w, h, ow, oh);
Log.i("Size changed height=" + h);
properties.setHeight(message.id, h);
}
};
webView = new WebViewEx(context);
webView.setId(wvBody.getId());
@@ -1340,115 +1317,58 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
wvBody.getPaddingLeft(), wvBody.getPaddingTop(),
wvBody.getPaddingRight(), wvBody.getPaddingBottom());
webView.setVerticalScrollBarEnabled(false);
webView.setOnTouchListener(ViewHolder.this);
webView.setWebViewClient(new WebViewClient() {
public boolean shouldOverrideUrlLoading(WebView view, String url) {
Log.i("Open url=" + url);
Uri uri = Uri.parse(url);
if ("cid".equals(uri.getScheme()) || "data".equals(uri.getScheme()))
return false;
Bundle args = new Bundle();
args.putParcelable("uri", uri);
args.putString("title", null);
FragmentDialogLink fragment = new FragmentDialogLink();
fragment.setArguments(args);
fragment.show(parentFragment.getFragmentManager(), "open:link");
return true;
}
@Override
public void onScaleChanged(WebView view, float oldScale, float newScale) {
Log.i("Changed scale=" + newScale);
properties.setSize(message.id, newScale);
}
});
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
webView.setOnScrollChangeListener(new View.OnScrollChangeListener() {
@Override
public void onScrollChange(View v, int scrollX, int scrollY, int oldScrollX, int oldScrollY) {
properties.setPosition(message.id, new Pair<Integer, Integer>(scrollX, scrollY));
}
});
webView.setDownloadListener(new DownloadListener() {
public void onDownloadStart(
String url, String userAgent, String contentDisposition, String mimetype, long contentLength) {
Log.i("Download url=" + url + " mime type=" + mimetype);
Uri uri = Uri.parse(url);
if ("cid".equals(uri.getScheme()) || "data".equals(uri.getScheme()))
return;
Helper.view(context, uri, true);
}
});
webView.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View view) {
WebView.HitTestResult result = ((WebView) view).getHitTestResult();
if (result.getType() == WebView.HitTestResult.IMAGE_TYPE ||
result.getType() == WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE) {
Log.i("Long press url=" + result.getExtra());
Uri uri = Uri.parse(result.getExtra());
if ("cid".equals(uri.getScheme()) || "data".equals(uri.getScheme()))
return false;
Helper.view(context, uri, true);
return true;
}
return false;
}
});
wvBody = webView;
}
WebSettings settings = webView.getSettings();
settings.setUseWideViewPort(true);
settings.setLoadWithOverviewMode(true);
int dp60 = Helper.dp2pixels(context, 60);
webView.setMinimumHeight(height == 0 ? dp60 : height);
settings.setBuiltInZoomControls(true);
settings.setDisplayZoomControls(false);
webView.init(
height, size, position,
textSize, monospaced,
show_images, inline,
new WebViewEx.IWebView() {
@Override
public void onSizeChanged(int w, int h, int ow, int oh) {
properties.setHeight(message.id, h);
}
settings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.TEXT_AUTOSIZING);
@Override
public void onScaleChanged(float newScale) {
properties.setSize(message.id, newScale);
}
if (textSize != 0) {
int dp = Helper.pixels2dp(context, textSize);
settings.setDefaultFontSize(Math.round(dp));
settings.setDefaultFixedFontSize(Math.round(dp));
}
if (monospaced)
settings.setStandardFontFamily("monospace");
@Override
public void onScrollChange(int scrollX, int scrollY) {
properties.setPosition(message.id, new Pair<Integer, Integer>(scrollX, scrollY));
}
settings.setAllowFileAccess(false);
settings.setLoadsImagesAutomatically(show_images || inline);
settings.setBlockNetworkLoads(!show_images);
settings.setBlockNetworkImage(!show_images);
settings.setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
@Override
public boolean onOpenLink(String url) {
Uri uri = Uri.parse(url);
if ("cid".equals(uri.getScheme()) || "data".equals(uri.getScheme()))
return false;
webView.setInitialScale(size == 0 ? 1 : Math.round(size * 100));
wvBody.setMinimumHeight(height);
if (position != null) {
wvBody.setScrollX(position.first);
wvBody.setScrollY(position.second);
}
Bundle args = new Bundle();
args.putParcelable("uri", uri);
args.putString("title", null);
FragmentDialogLink fragment = new FragmentDialogLink();
fragment.setArguments(args);
fragment.show(parentFragment.getFragmentManager(), "open:link");
return true;
}
});
webView.setOnTouchListener(ViewHolder.this);
tvBody.setVisibility(View.GONE);
wvBody.setVisibility(View.VISIBLE);
} else {
tvBody.setMinHeight(height);
if (size != 0)
tvBody.setTextSize(TypedValue.COMPLEX_UNIT_PX, size);
tvBody.setMinHeight(height);
tvBody.setTextColor(contrast ? textColorPrimary : colorRead);
tvBody.setTypeface(monospaced ? Typeface.MONOSPACE : Typeface.DEFAULT);
@@ -4064,8 +3984,6 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
@Override
public void onViewDetachedFromWindow(@NonNull ViewHolder holder) {
if (holder.wvBody instanceof WebView)
((WebView) holder.wvBody).loadDataWithBaseURL(null, "", "text/html", "UTF-8", null);
holder.cowner.stop();
holder.powner.recreate();
}