diff options
Diffstat (limited to 'src/main/java/de/pixart/messenger/ui/util')
3 files changed, 135 insertions, 0 deletions
diff --git a/src/main/java/de/pixart/messenger/ui/util/Attachment.java b/src/main/java/de/pixart/messenger/ui/util/Attachment.java index f11efd0d1..96159c1bd 100644 --- a/src/main/java/de/pixart/messenger/ui/util/Attachment.java +++ b/src/main/java/de/pixart/messenger/ui/util/Attachment.java @@ -37,6 +37,7 @@ import android.os.Parcel; import android.os.Parcelable; import android.util.Log; +import java.io.File; import java.util.ArrayList; import java.util.Collections; import java.util.List; @@ -61,12 +62,21 @@ public class Attachment implements Parcelable { private final Type type; private final UUID uuid; private final String mime; + Attachment(Parcel in) { uri = in.readParcelable(Uri.class.getClassLoader()); mime = in.readString(); uuid = UUID.fromString(in.readString()); type = Type.valueOf(in.readString()); } + + private Attachment(UUID uuid, Uri uri, Type type, String mime) { + this.uri = uri; + this.type = type; + this.mime = mime; + this.uuid = uuid; + } + private Attachment(Uri uri, Type type, String mime) { this.uri = uri; this.type = type; @@ -88,6 +98,10 @@ public class Attachment implements Parcelable { return attachments; } + public static Attachment of(UUID uuid, final File file, String mime) { + return new Attachment(uuid, Uri.fromFile(file), mime != null && (mime.startsWith("image/") || mime.startsWith("video/")) ? Type.IMAGE : Type.FILE, mime); + } + public static List<Attachment> extractAttachments(final Context context, final Intent intent, Type type) { List<Attachment> uris = new ArrayList<>(); if (intent == null) { diff --git a/src/main/java/de/pixart/messenger/ui/util/GridManager.java b/src/main/java/de/pixart/messenger/ui/util/GridManager.java new file mode 100644 index 000000000..717fef526 --- /dev/null +++ b/src/main/java/de/pixart/messenger/ui/util/GridManager.java @@ -0,0 +1,71 @@ +package de.pixart.messenger.ui.util; + +import android.content.Context; +import android.support.annotation.DimenRes; +import android.support.v7.widget.GridLayoutManager; +import android.support.v7.widget.RecyclerView; +import android.util.Log; +import android.view.ViewTreeObserver; + +import de.pixart.messenger.Config; +import de.pixart.messenger.ui.adapter.MediaAdapter; + +public class GridManager { + + public static void setupLayoutManager(final Context context, RecyclerView recyclerView, @DimenRes int desiredSize) { + int maxWidth = context.getResources().getDisplayMetrics().widthPixels; + ColumnInfo columnInfo = calculateColumnCount(context, maxWidth, desiredSize); + Log.d(Config.LOGTAG, "preliminary count=" + columnInfo.count); + MediaAdapter.setMediaSize(recyclerView, columnInfo.width); + recyclerView.setLayoutManager(new GridLayoutManager(context, columnInfo.count)); + recyclerView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { + @Override + public void onGlobalLayout() { + recyclerView.getViewTreeObserver().removeOnGlobalLayoutListener(this); + final ColumnInfo columnInfo = calculateColumnCount(context, recyclerView.getMeasuredWidth(), desiredSize); + Log.d(Config.LOGTAG, "final count " + columnInfo.count); + if (recyclerView.getAdapter().getItemCount() != 0) { + Log.e(Config.LOGTAG, "adapter already has items; just go with it now"); + return; + } + setupLayoutManagerInternal(recyclerView, columnInfo); + MediaAdapter.setMediaSize(recyclerView, columnInfo.width); + } + }); + } + + private static void setupLayoutManagerInternal(RecyclerView recyclerView, final ColumnInfo columnInfo) { + RecyclerView.LayoutManager layoutManager = recyclerView.getLayoutManager(); + if (layoutManager instanceof GridLayoutManager) { + ((GridLayoutManager) layoutManager).setSpanCount(columnInfo.count); + } + } + + private static ColumnInfo calculateColumnCount(Context context, int availableWidth, @DimenRes int desiredSize) { + final float desiredWidth = context.getResources().getDimension(desiredSize); + final int columns = Math.round(availableWidth / desiredWidth); + final int realWidth = availableWidth / columns; + Log.d(Config.LOGTAG, "desired=" + desiredWidth + " real=" + realWidth); + return new ColumnInfo(columns, realWidth); + } + + public static int getCurrentColumnCount(RecyclerView recyclerView) { + RecyclerView.LayoutManager layoutManager = recyclerView.getLayoutManager(); + if (layoutManager instanceof GridLayoutManager) { + return ((GridLayoutManager) layoutManager).getSpanCount(); + } else { + return 0; + } + } + + public static class ColumnInfo { + private final int count; + private final int width; + + private ColumnInfo(int count, int width) { + this.count = count; + this.width = width; + } + } + +}
\ No newline at end of file diff --git a/src/main/java/de/pixart/messenger/ui/util/ViewUtil.java b/src/main/java/de/pixart/messenger/ui/util/ViewUtil.java new file mode 100644 index 000000000..2442df8dc --- /dev/null +++ b/src/main/java/de/pixart/messenger/ui/util/ViewUtil.java @@ -0,0 +1,50 @@ +package de.pixart.messenger.ui.util; + +import android.content.ActivityNotFoundException; +import android.content.Context; +import android.content.Intent; +import android.content.pm.PackageManager; +import android.content.pm.ResolveInfo; +import android.net.Uri; +import android.util.Log; +import android.widget.Toast; + +import java.io.File; +import java.util.List; + +import de.pixart.messenger.Config; +import de.pixart.messenger.R; +import de.pixart.messenger.persistance.FileBackend; + +public class ViewUtil { + + public static void view(Context context, Attachment attachment) { + File file = new File(attachment.getUri().getPath()); + final String mime = attachment.getMime() == null ? "*/*" : attachment.getMime(); + view(context, file, mime); + } + + public static void view(Context context, File file, String mime) { + Intent openIntent = new Intent(Intent.ACTION_VIEW); + Uri uri; + try { + uri = FileBackend.getUriForFile(context, file); + } catch (SecurityException e) { + Log.d(Config.LOGTAG, "No permission to access " + file.getAbsolutePath(), e); + Toast.makeText(context, context.getString(R.string.no_permission_to_access_x, file.getAbsolutePath()), Toast.LENGTH_SHORT).show(); + return; + } + openIntent.setDataAndType(uri, mime); + openIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); + PackageManager manager = context.getPackageManager(); + List<ResolveInfo> info = manager.queryIntentActivities(openIntent, 0); + if (info.size() == 0) { + openIntent.setDataAndType(uri, "*/*"); + } + try { + context.startActivity(openIntent); + } catch (ActivityNotFoundException e) { + Toast.makeText(context, R.string.no_application_found_to_open_file, Toast.LENGTH_SHORT).show(); + } + } +}
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