Add customize Imageview and TouchImageView for fixing problem of seeing big pictures...

[pub/Android/ownCloud.git] / src / com / owncloud / android / ui / preview / ImageViewCustom.java

diff --git a/src/com/owncloud/android/ui/preview/ImageViewCustom.java b/src/com/owncloud/android/ui/preview/ImageViewCustom.java
new file mode 100644 (file)
index 0000000..ad85140
--- /dev/null
+++ b/src/com/owncloud/android/ui/preview/ImageViewCustom.java
@@ -0,0 +1,70 @@
+package com.owncloud.android.ui.preview;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.os.Build;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.ImageView;
+
+import com.owncloud.android.lib.common.utils.Log_OC;
+
+public class ImageViewCustom extends ImageView {
+    
+    private static final boolean IS_ICS_OR_HIGHER = Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH;
+    
+    private Bitmap mBitmap;
+
+    
+    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);
+    }
+
+    @SuppressLint("NewApi")
+       @Override
+    protected void onDraw(Canvas canvas) {
+
+        if(IS_ICS_OR_HIGHER && checkIfMaximumBitmapExceed(canvas)) {
+            // Set layer type to software one for avoiding exceed
+            // and problems in visualization
+            setLayerType(View.LAYER_TYPE_SOFTWARE, null);
+        }
+
+        super.onDraw(canvas);
+    }
+
+    /**
+     * Checks if current bitmaps exceed the maximum OpenGL texture size limit
+     * @param bitmap
+     * @return boolean
+     */
+    @SuppressLint("NewApi")
+       private boolean checkIfMaximumBitmapExceed(Canvas canvas) {
+        Log_OC.d("OC", "Canvas maximum: " + canvas.getMaximumBitmapWidth() + " - " + canvas.getMaximumBitmapHeight());
+        if (mBitmap!= null && (mBitmap.getWidth() > canvas.getMaximumBitmapWidth() 
+                || mBitmap.getHeight() > canvas.getMaximumBitmapHeight())) {
+            return true;
+        }
+        
+        return false;
+    }
+    
+    /**
+     * Set current bitmap
+     * @param bitmap
+     */
+    public void setBitmap (Bitmap bitmap) {
+        mBitmap = bitmap;
+    }
+
+}