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082985276f
Only update ImageView contents when they have changed. Fixes #1004 Fixes #2663 Closes #3184 // FREEBIE
124 lines
3.4 KiB
Java
124 lines
3.4 KiB
Java
/**
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* Copyright (C) 2011 Whisper Systems
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.thoughtcrime.securesms.mms;
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import android.content.Context;
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import android.content.res.Resources.Theme;
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import android.net.Uri;
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import android.support.annotation.DrawableRes;
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import android.support.annotation.NonNull;
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import android.util.Log;
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import org.thoughtcrime.securesms.crypto.MasterSecret;
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import org.thoughtcrime.securesms.util.Util;
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import java.io.IOException;
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import java.io.InputStream;
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import ws.com.google.android.mms.pdu.PduPart;
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public abstract class Slide {
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protected final PduPart part;
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protected final Context context;
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protected MasterSecret masterSecret;
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public Slide(Context context, @NonNull PduPart part) {
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this.part = part;
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this.context = context;
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}
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public Slide(Context context, @NonNull MasterSecret masterSecret, @NonNull PduPart part) {
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this(context, part);
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this.masterSecret = masterSecret;
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}
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public String getContentType() {
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return new String(part.getContentType());
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}
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public Uri getUri() {
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return part.getDataUri();
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}
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public boolean hasImage() {
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return false;
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}
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public boolean hasVideo() {
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return false;
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}
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public boolean hasAudio() {
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return false;
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}
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public PduPart getPart() {
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return part;
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}
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public Uri getThumbnailUri() {
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return null;
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}
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public @DrawableRes int getPlaceholderRes(Theme theme) {
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throw new AssertionError("getPlaceholderRes() called for non-drawable slide");
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}
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public boolean isDraft() {
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return getPart().getId() < 0;
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}
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protected static void assertMediaSize(Context context, Uri uri)
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throws MediaTooLargeException, IOException
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{
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InputStream in = context.getContentResolver().openInputStream(uri);
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long size = 0;
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byte[] buffer = new byte[512];
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int read;
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while ((read = in.read(buffer)) != -1) {
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size += read;
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if (size > MmsMediaConstraints.MAX_MESSAGE_SIZE) throw new MediaTooLargeException("Media exceeds maximum message size.");
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}
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}
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@Override
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public boolean equals(Object other) {
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if (!(other instanceof Slide)) return false;
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Slide that = (Slide)other;
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return Util.equals(this.getContentType(), that.getContentType()) &&
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this.hasAudio() == that.hasAudio() &&
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this.hasImage() == that.hasImage() &&
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this.hasVideo() == that.hasVideo() &&
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this.isDraft() == that.isDraft() &&
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Util.equals(this.getUri(), that.getUri()) &&
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Util.equals(this.getThumbnailUri(), that.getThumbnailUri());
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}
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@Override
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public int hashCode() {
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return Util.hashCode(getContentType(), hasAudio(), hasImage(),
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hasVideo(), isDraft(), getUri(), getThumbnailUri());
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}
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}
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