Removed ImageViewCustom class. Replaced with PhotoView

src/main/java/com/owncloud/android/ui/preview/ImageViewCustom.java

@@ -1,149 +0,0 @@
-package com.owncloud.android.ui.preview;
-
-import android.content.Context;
-import android.graphics.Bitmap;
-import android.graphics.Canvas;
-import android.graphics.Movie;
-import android.os.Build;
-import android.support.v7.widget.AppCompatImageView;
-import android.util.AttributeSet;
-import android.view.View;
-
-import com.owncloud.android.lib.common.utils.Log_OC;
-
-import java.io.FileInputStream;
-import java.io.InputStream;
-
-public class ImageViewCustom extends AppCompatImageView {
-
-    private static final String TAG = ImageViewCustom.class.getSimpleName();
-
-    private static final boolean IS_ICS_OR_HIGHER = Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH;
-    private static final boolean IS_VERSION_BUGGY_ON_RECYCLES =
-            Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN_MR1 ||
-            Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN_MR2;
-
-    private int mBitmapHeight;
-    private int mBitmapWidth;
-
-    private Movie mGifMovie;
-    private int mMovieWidth, mMovieHeight;
-    private long mMovieDuration;
-    private long mMovieRunDuration;
-    private long mLastTick;
-    protected PreviewImageFragment previewImageFragment;
-
-    public ImageViewCustom(Context context) {
-        super(context);
-    }
-    
-    public ImageViewCustom(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-    
-    public ImageViewCustom(Context context, AttributeSet attrs, int defStyle) {
-        super(context, attrs, defStyle);
-    }
-
-	@Override
-    protected void onDraw(Canvas canvas) {
-        if(IS_ICS_OR_HIGHER && checkIfMaximumBitmapExceed(canvas) || IS_VERSION_BUGGY_ON_RECYCLES ) {
-            // Software type is set with two targets:
-            // 1. prevent that bitmaps larger than maximum textures allowed are shown as black views in devices
-            //  with LAYER_TYPE_HARDWARE enabled by default;
-            // 2. grant that bitmaps are correctly de-allocated from memory in versions suffering the bug fixed in
-            //  https://android.googlesource.com/platform/frameworks/base/+/034de6b1ec561797a2422314e6ef03e3cd3e08e0;
-            //
-            setLayerType(View.LAYER_TYPE_SOFTWARE, null);
-        }
-
-        if(mGifMovie != null) {
-            long nowTick = android.os.SystemClock.uptimeMillis();
-            if (mLastTick == 0) {
-                mMovieRunDuration = 0;
-            } else {
-                mMovieRunDuration += nowTick - mLastTick;
-                if(mMovieRunDuration > mMovieDuration) {
-                        mMovieRunDuration = 0;
-                }
-            }
-
-            mGifMovie.setTime((int) mMovieRunDuration);
-
-            float scale = getScaleToViewFactor(mGifMovie, canvas);
-
-            canvas.scale(scale, scale);
-            canvas.translate(((float) getWidth() / scale - (float) mGifMovie.width()) / 2f,
-                    ((float) getHeight() / scale - (float) mGifMovie.height()) /2f);
-
-            mGifMovie.draw(canvas, 0, 0);
-
-            mLastTick = nowTick;
-            invalidate();
-        } else {
-            super.onDraw(canvas);
-        }
-    }
-
-    private float getScaleToViewFactor(Movie movie, Canvas canvas) {
-        if (movie.height() > getHeight() || movie.width() > getWidth()) {
-            float offset = 0.25f;
-            return (1f / Math.min(canvas.getHeight() / movie.height(), canvas.getWidth() / movie.width())) + offset;
-        }
-
-        return Math.min(canvas.getHeight() / movie.height(), canvas.getWidth() / movie.width());
-    }
-
-    @Override
-    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-        if (mGifMovie == null) {
-            setMeasuredDimension(widthMeasureSpec, heightMeasureSpec);
-        } else {
-            setMeasuredDimension(mMovieWidth, mMovieHeight);
-        }
-    }
-
-    /**
-     * Checks if current bitmaps exceed the maximum OpenGL texture size limit
-     * @param canvas        Canvas where the view will be drawn into.
-     * @return boolean      True means that the bitmap is too big for the canvas.
-     */
-	private boolean checkIfMaximumBitmapExceed(Canvas canvas) {
-        return mBitmapWidth > canvas.getMaximumBitmapWidth() || mBitmapHeight > canvas.getMaximumBitmapHeight();
-
-    }
-    
-    @Override
-    /**
-     * Keeps the size of the bitmap cached in member variables for faster access in {@link #onDraw(Canvas)},
-     * but without keeping another reference to the {@link Bitmap}
-     */
-    public void setImageBitmap(Bitmap bm) {
-        mBitmapWidth = bm.getWidth();
-        mBitmapHeight = bm.getHeight();
-        super.setImageBitmap(bm);
-    }
-
-    /**
-     * sets the GIF image of the given storage path.
-     *
-     * @param storagePath the storage path of the GIF image
-     */
-    public void setGIFImageFromStoragePath(String storagePath) {
-        try (InputStream gifInputStream = new FileInputStream(storagePath)){
-            setLayerType(View.LAYER_TYPE_SOFTWARE, null);
-            setFocusable(true);
-
-            mGifMovie = Movie.decodeStream(gifInputStream);
-            mMovieWidth = mGifMovie.width();
-            mMovieHeight = mGifMovie.height();
-            mMovieDuration = mGifMovie.duration();
-        } catch (Exception e) {
-            Log_OC.e(TAG, "Failed to set GIF image");
-        }
-    }
-
-    public void setPreviewImageFragment(PreviewImageFragment previewImageFragment) {
-        this.previewImageFragment = previewImageFragment;
-    }
-}