From a85c80227a56f3b7f917464096cd33877093616f Mon Sep 17 00:00:00 2001
From: Owen Lin <owenlin@google.com>
Date: Wed, 17 Aug 2011 22:07:43 +0800
Subject: Initial code for Gallery2.

fix: 5176434

Change-Id: I041e282b9c7b34ceb1db8b033be2b853bb3a992c
---
 src/com/android/gallery3d/ui/ProgressBar.java     | 65 +++++++++++++++++++
 src/com/android/gallery3d/ui/ProgressSpinner.java | 78 +++++++++++++++++++++++
 2 files changed, 143 insertions(+)
 create mode 100644 src/com/android/gallery3d/ui/ProgressBar.java
 create mode 100644 src/com/android/gallery3d/ui/ProgressSpinner.java

(limited to 'src')

diff --git a/src/com/android/gallery3d/ui/ProgressBar.java b/src/com/android/gallery3d/ui/ProgressBar.java
new file mode 100644
index 000000000..c62fa9a62
--- /dev/null
+++ b/src/com/android/gallery3d/ui/ProgressBar.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.gallery3d.ui;
+
+import android.content.Context;
+import android.graphics.Rect;
+
+public class ProgressBar extends GLView {
+    private final int MAX_PROGRESS = 10000;
+    private int mProgress;
+    private int mSecondaryProgress;
+    private BasicTexture mProgressTexture;
+    private BasicTexture mSecondaryProgressTexture;
+    private BasicTexture mBackgrondTexture;
+
+
+    public ProgressBar(Context context, int resProgress,
+            int resSecondaryProgress, int resBackground) {
+        mProgressTexture = new NinePatchTexture(context, resProgress);
+        mSecondaryProgressTexture = new NinePatchTexture(
+                context, resSecondaryProgress);
+        mBackgrondTexture = new NinePatchTexture(context, resBackground);
+
+    }
+
+    // The progress value is between 0 (empty) and MAX_PROGRESS (full).
+    public void setProgress(int progress) {
+        mProgress = progress;
+    }
+
+    public void setSecondaryProgress(int progress) {
+        mSecondaryProgress = progress;
+    }
+
+    @Override
+    protected void render(GLCanvas canvas) {
+        Rect p = mPaddings;
+
+        int width = getWidth() - p.left - p.right;
+        int height = getHeight() - p.top - p.bottom;
+
+        int primary = width * mProgress / MAX_PROGRESS;
+        int secondary = width * mSecondaryProgress / MAX_PROGRESS;
+        int x = p.left;
+        int y = p.top;
+
+        canvas.drawTexture(mBackgrondTexture, x, y, width, height);
+        canvas.drawTexture(mProgressTexture, x, y, primary, height);
+        canvas.drawTexture(mSecondaryProgressTexture, x, y, secondary, height);
+    }
+}
diff --git a/src/com/android/gallery3d/ui/ProgressSpinner.java b/src/com/android/gallery3d/ui/ProgressSpinner.java
new file mode 100644
index 000000000..e4d60242b
--- /dev/null
+++ b/src/com/android/gallery3d/ui/ProgressSpinner.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.gallery3d.ui;
+
+import com.android.gallery3d.R;
+
+import android.content.Context;
+
+public class ProgressSpinner {
+    private static float ROTATE_SPEED_OUTER = 1080f / 3500f;
+    private static float ROTATE_SPEED_INNER = -720f / 3500f;
+    private final ResourceTexture mOuter;
+    private final ResourceTexture mInner;
+    private final int mWidth;
+    private final int mHeight;
+
+    private float mInnerDegree = 0f;
+    private float mOuterDegree = 0f;
+    private long mAnimationTimestamp = -1;
+
+    public ProgressSpinner(Context context) {
+        mOuter = new ResourceTexture(context, R.drawable.spinner_76_outer_holo);
+        mInner = new ResourceTexture(context, R.drawable.spinner_76_inner_holo);
+
+        mWidth = Math.max(mOuter.getWidth(), mInner.getWidth());
+        mHeight = Math.max(mOuter.getHeight(), mInner.getHeight());
+    }
+
+    public int getWidth() {
+        return mWidth;
+    }
+
+    public int getHeight() {
+        return mHeight;
+    }
+
+    public void startAnimation() {
+        mAnimationTimestamp = -1;
+        mOuterDegree = 0;
+        mInnerDegree = 0;
+    }
+
+    public void draw(GLCanvas canvas, int x, int y) {
+        long now = canvas.currentAnimationTimeMillis();
+        if (mAnimationTimestamp == -1) mAnimationTimestamp = now;
+        mOuterDegree += (now - mAnimationTimestamp) * ROTATE_SPEED_OUTER;
+        mInnerDegree += (now - mAnimationTimestamp) * ROTATE_SPEED_INNER;
+
+        mAnimationTimestamp = now;
+
+        // just preventing overflow
+        if (mOuterDegree > 360) mOuterDegree -= 360f;
+        if (mInnerDegree < 0) mInnerDegree += 360f;
+
+        canvas.save(GLCanvas.SAVE_FLAG_MATRIX);
+
+        canvas.translate(x + mWidth / 2, y + mHeight / 2, 0);
+        canvas.rotate(mInnerDegree, 0, 0, 1);
+        mOuter.draw(canvas, -mOuter.getWidth() / 2, -mOuter.getHeight() / 2);
+        canvas.rotate(mOuterDegree - mInnerDegree, 0, 0, 1);
+        mInner.draw(canvas, -mInner.getWidth() / 2, -mInner.getHeight() / 2);
+        canvas.restore();
+    }
+}
-- 
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