1 files changed, 120 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/model/GLTrace.java b/eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/model/GLTrace.java
new file mode 100644
index 000000000..766764466
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.gldebugger/src/com/android/ide/eclipse/gltrace/model/GLTrace.java
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2011 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.ide.eclipse.gltrace.model;
+
+import com.android.ide.eclipse.gltrace.GLProtoBuf.GLMessage;
+import com.android.ide.eclipse.gltrace.ProtoBufUtils;
+import com.android.ide.eclipse.gltrace.TraceFileInfo;
+import com.android.ide.eclipse.gltrace.TraceFileReader;
+
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.widgets.Display;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.RandomAccessFile;
+import java.util.Collections;
+import java.util.List;
+
+/** GLTrace is the in memory model of a OpenGL trace file. */
+public class GLTrace {
+    private static final TraceFileReader sTraceFileReader = new TraceFileReader();
+
+    /** Information regarding the trace file. */
+    private final TraceFileInfo mTraceFileInfo;
+
+    /** List of frames in the trace. */
+    private final List<GLFrame> mGLFrames;
+
+    /** List of GL Calls comprising the trace. */
+    private final List<GLCall> mGLCalls;
+
+    /** List of context ids used by the application. */
+    private List<Integer> mContextIds;
+
+    public GLTrace(TraceFileInfo traceFileInfo, List<GLFrame> glFrames, List<GLCall> glCalls,
+            List<Integer> contextIds) {
+        mTraceFileInfo = traceFileInfo;
+        mGLFrames = glFrames;
+        mGLCalls = glCalls;
+        mContextIds = contextIds;
+    }
+
+    public List<GLFrame> getFrames() {
+        return mGLFrames;
+    }
+
+    public GLFrame getFrame(int i) {
+        return mGLFrames.get(i);
+    }
+
+    public List<GLCall> getGLCalls() {
+        return mGLCalls;
+    }
+
+    public List<GLCall> getGLCallsForFrame(int frameIndex) {
+        if (frameIndex >= mGLFrames.size()) {
+            return Collections.emptyList();
+        }
+
+        GLFrame frame = mGLFrames.get(frameIndex);
+        return mGLCalls.subList(frame.getStartIndex(), frame.getEndIndex());
+    }
+
+    public Image getImage(GLCall c) {
+        if (!c.hasFb()) {
+            return null;
+        }
+
+        if (isTraceFileModified()) {
+            return null;
+        }
+
+        RandomAccessFile file;
+        try {
+            file = new RandomAccessFile(mTraceFileInfo.getPath(), "r"); //$NON-NLS-1$
+        } catch (FileNotFoundException e1) {
+            return null;
+        }
+
+        GLMessage m = null;
+        try {
+            m = sTraceFileReader.getMessageAtOffset(file, c.getOffsetInTraceFile());
+        } catch (Exception e) {
+            return null;
+        } finally {
+            try {
+                file.close();
+            } catch (IOException e) {
+                // ignore exception while closing file
+            }
+        }
+
+        return ProtoBufUtils.getImage(Display.getCurrent(), m);
+    }
+
+    private boolean isTraceFileModified() {
+        File f = new File(mTraceFileInfo.getPath());
+        return f.length() != mTraceFileInfo.getSize()
+                || f.lastModified() != mTraceFileInfo.getLastModificationTime();
+    }
+
+    public List<Integer> getContexts() {
+        return mContextIds;
+    }
+}