android-2.1_r1 snapshot

[android-x86/packages-apps-Gallery2.git] / src / com / cooliris / media / Layer.java

diff --git a/src/com/cooliris/media/Layer.java b/src/com/cooliris/media/Layer.java
new file mode 100644 (file)
index 0000000..22ba4eb
--- /dev/null
+++ b/src/com/cooliris/media/Layer.java
@@ -0,0 +1,85 @@
+package com.cooliris.media;
+
+import javax.microedition.khronos.opengles.GL11;
+
+import android.view.MotionEvent;
+
+public abstract class Layer {
+    float mX = 0f;
+    float mY = 0f;
+    float mWidth = 0;
+    float mHeight = 0;
+    boolean mHidden = false;
+
+    public final float getX() {
+        return mX;
+    }
+
+    public final float getY() {
+        return mY;
+    }
+
+    public final void setPosition(float x, float y) {
+        mX = x;
+        mY = y;
+    }
+
+    public final float getWidth() {
+        return mWidth;
+    }
+
+    public final float getHeight() {
+        return mHeight;
+    }
+
+    public final void setSize(float width, float height) {
+        if (mWidth != width || mHeight != height) {
+            mWidth = width;
+            mHeight = height;
+            onSizeChanged();
+        }
+    }
+
+    public boolean isHidden() {
+        return mHidden;
+    }
+
+    public void setHidden(boolean hidden) {
+        if (mHidden != hidden) {
+            mHidden = hidden;
+            onHiddenChanged();
+        }
+    }
+
+    public abstract void generate(RenderView view, RenderView.Lists lists);
+
+    // Returns true if something is animating.
+    public boolean update(RenderView view, float frameInterval) {
+        return false;
+    }
+
+    public void renderOpaque(RenderView view, GL11 gl) {
+    }
+
+    public void renderBlended(RenderView view, GL11 gl) {
+    }
+
+    public boolean onTouchEvent(MotionEvent event) {
+        return false;
+    }
+
+    // Allows subclasses to further constrain the hit test defined by layer
+    // bounds.
+    public boolean containsPoint(float x, float y) {
+        return true;
+    }
+
+    protected void onSurfaceCreated(RenderView view, GL11 gl) {
+    }
+
+    protected void onSizeChanged() {
+    }
+
+    protected void onHiddenChanged() {
+    }
+}