1 files changed, 110 insertions, 0 deletions
diff --git a/src/com/android/camera/ui/GLOptionItem.java b/src/com/android/camera/ui/GLOptionItem.java
new file mode 100644
index 0000000..00d7a55
--- /dev/null
+++ b/src/com/android/camera/ui/GLOptionItem.java
@@ -0,0 +1,110 @@
+package com.android.camera.ui;
+
+import android.content.Context;
+import android.graphics.Color;
+import android.graphics.Rect;
+import android.view.animation.Transformation;
+
+import com.android.camera.R;
+
+import javax.microedition.khronos.opengles.GL11;
+
+public class GLOptionItem extends GLView {
+    private static final int FONT_COLOR = Color.WHITE;
+    private static final int MINIMAL_WIDTH = 180;
+    private static final int MINIMAL_HEIGHT = 48;
+    private static final int NO_ICON_LEADING_SPACE = 15;
+    private static final int TEXT_LEFT_PADDING = 9;
+    private static final int TEXT_RIGHT_PADDING = 15;
+    private static final float ENABLED_ALPHA = 1f;
+    private static final float DISABLED_ALPHA = 0.3f;
+
+    private static ResourceTexture sCheckOn;
+    private static ResourceTexture sCheckOff;
+
+    private final ResourceTexture mIcon;
+    private final StringTexture mText;
+    private boolean mEnabled = true;
+
+    private ResourceTexture mCheckBox;
+
+    private static void initCheckIcons(Context context) {
+        if (sCheckOn != null) return;
+        sCheckOn = new ResourceTexture(context, R.drawable.ic_menuselect_on);
+        sCheckOff = new ResourceTexture(context, R.drawable.ic_menuselect_off);
+    }
+
+    public GLOptionItem(Context context, int iconId, String title) {
+        initCheckIcons(context);
+        mIcon = iconId == 0 ? null : new ResourceTexture(context, iconId);
+        mText = StringTexture.newInstance(title, 26, FONT_COLOR);
+        mCheckBox = sCheckOff;
+    }
+
+    @Override
+    protected void onMeasure(int widthSpec, int heightSpec) {
+        int width = (mIcon == null ? NO_ICON_LEADING_SPACE : mIcon.getWidth())
+                + mText.getWidth() + mCheckBox.getWidth()
+                + TEXT_RIGHT_PADDING + TEXT_LEFT_PADDING;
+        int height = Math.max(Math.max(mIcon == null ? 0 : mIcon.getHeight(),
+                mText.getHeight()), mCheckBox.getHeight());
+
+        width = Math.max(MINIMAL_WIDTH, width);
+        height = Math.max(MINIMAL_HEIGHT, height);
+
+        new MeasureHelper(this)
+                .setPreferedContentSize(width, height)
+                .measure(widthSpec, heightSpec);
+    }
+
+    @Override
+    protected void render(GLRootView root, GL11 gl) {
+        Rect p = mPaddings;
+
+        int width = getWidth() - p.left - p.right;
+        int height = getHeight() - p.top - p.bottom;
+
+        int xoffset = p.left;
+
+        Transformation trans = root.getTransformation();
+        float oldAlpha = trans.getAlpha();
+        trans.setAlpha(oldAlpha * (mEnabled ? ENABLED_ALPHA : DISABLED_ALPHA));
+
+        ResourceTexture icon = mIcon;
+        if (icon != null) {
+            if (icon.bind(root, gl)) {
+                icon.draw(root, xoffset,
+                        p.top + (height - icon.getHeight()) / 2);
+            }
+            xoffset += icon.getWidth();
+        } else {
+            xoffset += NO_ICON_LEADING_SPACE;
+        }
+
+        StringTexture title = mText;
+        xoffset += TEXT_LEFT_PADDING;
+        if (title.bind(root, gl)) {
+            int yoffset = p.top + (height - title.getHeight()) / 2;
+            //TODO: cut the text if it is too long
+            title.draw(root, xoffset, yoffset);
+        }
+
+        ResourceTexture checkbox = mCheckBox;
+        if (checkbox.bind(root, gl)) {
+            int yoffset = p.top + (height - checkbox.getHeight()) / 2;
+            checkbox.draw(root, width - checkbox.getWidth(), yoffset);
+        }
+        trans.setAlpha(oldAlpha);
+    }
+
+    public void setChecked(boolean checked) {
+        mCheckBox = checked ? sCheckOn : sCheckOff;
+        invalidate();
+    }
+
+    public void setEnabled(boolean enabled) {
+        if (mEnabled == enabled) return;
+        mEnabled = enabled;
+        invalidate();
+    }
+}