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Code Issues Packages Projects Releases Wiki Activity

Accessibility for message header

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Thanks @pvagner
This commit is contained in:
M66B
2019-12-26 10:10:23 +01:00
parent dc5df7b6a2
commit 15bf4907ae
2 changed files with 129 additions and 53 deletions
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167
app/src/main/java/eu/faircode/email/AdapterMessage.java
View File

@@ -78,6 +78,7 @@ import android.view.ViewAnimationUtils;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.view.ViewStub;
import android.view.accessibility.AccessibilityManager;
import android.view.accessibility.AccessibilityNodeInfo;
import android.view.animation.AccelerateDecelerateInterpolator;
import android.webkit.WebView;
@@ -174,6 +175,7 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
private Context context;
private LifecycleOwner owner;
private LayoutInflater inflater;
private boolean accessibility;
private boolean suitable;
private boolean unmetered;
@@ -422,54 +424,123 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
tvSubject.setEllipsize(TextUtils.TruncateAt.MIDDLE);
}
if (view != null)
view.setAccessibilityDelegate(new View.AccessibilityDelegate() {
@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) {
super.onInitializeAccessibilityNodeInfo(host, info);
// Accessibility
TupleMessageEx message = getMessage();
if (message == null)
return;
int vt = getItemViewType();
if (vt != R.layout.item_message_compact && vt != R.layout.item_message_normal)
return;
if (ibExpander != null && ibExpander.getVisibility() == View.VISIBLE) {
boolean expanded = properties.getValue("expanded", message.id);
info.addAction(new AccessibilityNodeInfo.AccessibilityAction(R.id.ibExpander,
context.getString(expanded ? R.string.title_accessibility_collapse : R.string.title_accessibility_expand)));
}
if (!BuildConfig.DEBUG && !accessibility)
return;
if (ibAvatar != null && ibAvatar.getVisibility() == View.VISIBLE && ibAvatar.isEnabled())
info.addAction(new AccessibilityNodeInfo.AccessibilityAction(R.id.ibAvatar,
context.getString(R.string.title_accessibility_view_contact)));
view.setAccessibilityDelegate(new View.AccessibilityDelegate() {
@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) {
super.onInitializeAccessibilityNodeInfo(host, info);
if (ibFlagged != null && ibFlagged.getVisibility() == View.VISIBLE && ibFlagged.isEnabled()) {
int flagged = (message.count - message.unflagged);
info.addAction(new AccessibilityNodeInfo.AccessibilityAction(R.id.ibFlagged,
context.getString(flagged > 0 ? R.string.title_unflag : R.string.title_flag)));
}
TupleMessageEx message = getMessage();
if (message == null)
return;
boolean expanded = properties.getValue("expanded", message.id);
List<String> result = new ArrayList<>();
vwColor.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
if (selectionTracker != null && selectionTracker.isSelected(message.id))
result.add(context.getString(R.string.title_accessibility_selected));
if (message.count == 1)
result.add(context.getString(message.unseen > 0 ? R.string.title_accessibility_unseen : R.string.title_accessibility_seen));
else if (message.unseen == 0)
result.add(context.getResources().getQuantityString(
R.plurals.title_accessibility_all_of_seen, message.count, message.count));
else
result.add(context.getResources().getQuantityString(
R.plurals.title_accessibility_count_of_seen, message.unseen, message.unseen, message.count));
if (ibExpander.getVisibility() == View.VISIBLE) {
result.add(context.getString(expanded ? R.string.title_accessibility_expanded : R.string.title_accessibility_collapsed));
info.addAction(new AccessibilityNodeInfo.AccessibilityAction(R.id.ibExpander,
context.getString(expanded ? R.string.title_accessibility_collapse : R.string.title_accessibility_expand)));
}
ibExpander.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
@Override
public boolean performAccessibilityAction(View host, int action, Bundle args) {
TupleMessageEx message = getMessage();
if (message == null)
return false;
if (ibAvatar.getVisibility() == View.VISIBLE && ibAvatar.isEnabled())
info.addAction(new AccessibilityNodeInfo.AccessibilityAction(R.id.ibAvatar,
context.getString(R.string.title_accessibility_view_contact)));
ibAvatar.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
switch (action) {
case R.id.ibExpander:
onToggleMessage(message);
return true;
case R.id.ibAvatar:
onViewContact(message);
return true;
case R.id.ibFlagged:
onToggleFlag(message);
return true;
default:
return super.performAccessibilityAction(host, action, args);
}
if (message.drafts > 0)
result.add(context.getString(R.string.title_legend_draft));
if (message.ui_answered)
result.add(context.getString(R.string.title_accessibility_answered));
if (ibFlagged.getVisibility() == View.VISIBLE && ibFlagged.isEnabled()) {
int flagged = (message.count - message.unflagged);
if (flagged > 0)
result.add(context.getString(R.string.title_accessibility_flagged));
info.addAction(new AccessibilityNodeInfo.AccessibilityAction(R.id.ibFlagged,
context.getString(flagged > 0 ? R.string.title_unflag : R.string.title_flag)));
}
});
ibFlagged.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
if (EntityMessage.PRIORITIY_HIGH.equals(message.priority))
result.add(context.getString(R.string.title_legend_priority));
if (EntityMessage.PRIORITIY_LOW.equals(message.priority))
result.add(context.getString(R.string.title_legend_priority_low));
if (message.attachments > 0)
result.add(context.getString(R.string.title_legend_attachment));
// For a11y purpose report addresses first in case of incoming message
boolean outgoing = isOutgoing(message);
if (!outgoing || message.count > 1)
result.add(tvFrom.getText().toString());
else
result.add(message.subject); // Don't want to ellipsize for a11y
result.add(tvTime.getText().toString());
if (outgoing && message.count == 1)
result.add(tvFrom.getText().toString());
else
result.add(message.subject);
if (message.encrypted > 0)
result.add(context.getString(R.string.title_legend_encrypted));
if (message.signed > 0)
result.add(context.getString(R.string.title_legend_signed));
if (ibAuth.getVisibility() == View.VISIBLE) {
result.add(context.getString(R.string.title_legend_auth));
info.addAction(new AccessibilityNodeInfo.AccessibilityAction(R.id.ibAuth,
context.getString(R.string.title_accessibility_show_authentication_result)));
}
ibAuth.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
if (ibSnoozed.getVisibility() == View.VISIBLE) {
result.add(context.getString(R.string.title_legend_snoozed));
info.addAction(new AccessibilityNodeInfo.AccessibilityAction(R.id.ibSnoozed,
context.getString(R.string.title_accessibility_show_snooze_time)));
}
ibSnoozed.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
if (tvFolder.getVisibility() == View.VISIBLE)
result.add(tvFolder.getText().toString());
if (tvSize.getVisibility() == View.VISIBLE)
result.add(tvSize.getText().toString());
if (tvError.getVisibility() == View.VISIBLE)
result.add(tvError.getText().toString());
if (tvPreview.getVisibility() == View.VISIBLE)
result.add(tvPreview.getText().toString());
if (ibHelp.getVisibility() == View.VISIBLE)
info.addAction(new AccessibilityNodeInfo.AccessibilityAction(R.id.ibHelp,
context.getString(R.string.title_accessibility_view_help)));
ibHelp.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
info.setContentDescription(TextUtils.join(", ", result));
}
});
}
private void ensureExpanded() {
@@ -905,18 +976,6 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
// Expand warning
bindExpandWarning(message, expanded);
// Accessibility
header.setContentDescription(context.getString(
R.string.title_accessibility_header,
position + 1,
tvFrom.getText(),
tvTime.getText(),
tvSubject.getText(),
context.getString(message.unseen > 0 ? R.string.title_accessibility_unseen : R.string.title_accessibility_seen),
message.count - message.unflagged > 0 ? context.getString(R.string.title_accessibility_flagged) : "",
message.count
));
// Message text preview
int textColor = (contrast ? textColorPrimary : textColorSecondary);
if (tvPreview.getTag() == null || (int) tvPreview.getTag() != textColor) {
@@ -3744,6 +3803,10 @@ public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHold
this.context = parentFragment.getContext();
this.owner = parentFragment.getViewLifecycleOwner();
this.inflater = LayoutInflater.from(context);
AccessibilityManager am = (AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE);
this.accessibility = (am != null && am.isEnabled());
this.TF = Helper.getTimeInstance(context, SimpleDateFormat.SHORT);
this.DTF = Helper.getDateTimeInstance(context, SimpleDateFormat.LONG, SimpleDateFormat.LONG);