From b50b15512d5b30dc479751a45cd8a515c172a354 Mon Sep 17 00:00:00 2001
From: John Reck <jreck@google.com>
Date: Fri, 10 Aug 2012 15:33:25 -0700
Subject: Clear mOperationState when calling popState

Change-Id: I96df41fc2b8e040e0e98b991c71b1d9bda40788e
---
 .../context/PlatformGraphicsContextRecording.cpp      | 19 +++++++++++++------
 .../context/PlatformGraphicsContextRecording.h        |  2 +-
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/Source/WebCore/platform/graphics/android/context/PlatformGraphicsContextRecording.cpp b/Source/WebCore/platform/graphics/android/context/PlatformGraphicsContextRecording.cpp
index 6c033b6..355e52c 100644
--- a/Source/WebCore/platform/graphics/android/context/PlatformGraphicsContextRecording.cpp
+++ b/Source/WebCore/platform/graphics/android/context/PlatformGraphicsContextRecording.cpp
@@ -448,6 +448,7 @@ PlatformGraphicsContextRecording::PlatformGraphicsContextRecording(Recording* re
     , m_isEmpty(true)
     , m_canvasProxy(this)
 {
+    ALOGV("RECORDING: begin");
     if (mRecording)
         mRecording->setRecording(new RecordingImpl());
     mMatrixStack.append(SkMatrix::I());
@@ -455,6 +456,11 @@ PlatformGraphicsContextRecording::PlatformGraphicsContextRecording(Recording* re
     pushStateOperation(new (canvasStateHeap()) CanvasState(0));
 }
 
+PlatformGraphicsContextRecording::~PlatformGraphicsContextRecording()
+{
+    ALOGV("RECORDING: end");
+}
+
 bool PlatformGraphicsContextRecording::isPaintingDisabled()
 {
     return !mRecording;
@@ -872,7 +878,7 @@ void PlatformGraphicsContextRecording::clipState(const FloatRect& clip)
 
 void PlatformGraphicsContextRecording::pushStateOperation(CanvasState* canvasState)
 {
-    ALOGV("pushStateOperation: %p(isLayer=%d)", canvasState, canvasState->isTransparencyLayer());
+    ALOGV("RECORDING: pushStateOperation: %p(isLayer=%d)", canvasState, canvasState->isTransparencyLayer());
     mRecordingStateStack.append(canvasState);
     mRecording->recording()->addCanvasState(canvasState);
 }
@@ -881,14 +887,15 @@ void PlatformGraphicsContextRecording::popStateOperation()
 {
     RecordingState state = mRecordingStateStack.last();
     mRecordingStateStack.removeLast();
+    mOperationState = 0;
     if (!state.mHasDrawing) {
-        ALOGV("popStateOperation is deleting %p(isLayer=%d)",
+        ALOGV("RECORDING: popStateOperation is deleting %p(isLayer=%d)",
                 state.mCanvasState, state.mCanvasState->isTransparencyLayer());
         mRecording->recording()->removeCanvasState(state.mCanvasState);
         state.mCanvasState->~CanvasState();
         canvasStateHeap()->rewindTo(state.mCanvasState);
     } else {
-        ALOGV("popStateOperation: %p(isLayer=%d)",
+        ALOGV("RECORDING: popStateOperation: %p(isLayer=%d)",
                 state.mCanvasState, state.mCanvasState->isTransparencyLayer());
         // Make sure we propagate drawing upwards so we don't delete our parent
         mRecordingStateStack.last().mHasDrawing = true;
@@ -967,7 +974,7 @@ void PlatformGraphicsContextRecording::appendDrawingOperation(
 
     WebCore::IntRect ibounds = calculateFinalBounds(untranslatedBounds);
     if (ibounds.isEmpty()) {
-        ALOGV("Operation %s() was clipped out", operation->name());
+        ALOGV("RECORDING: Operation %s() was clipped out", operation->name());
         operation->~Operation();
         operationHeap()->rewindTo(operation);
         return;
@@ -980,7 +987,7 @@ void PlatformGraphicsContextRecording::appendDrawingOperation(
         // if the operation maps to an opaque rect, record the area it will cover
         operation->setOpaqueRect(calculateCoveredBounds(untranslatedBounds));
     }
-    ALOGV("appendOperation %p->%s() bounds " INT_RECT_FORMAT, operation, operation->name(),
+    ALOGV("RECORDING: appendOperation %p->%s() bounds " INT_RECT_FORMAT, operation, operation->name(),
             INT_RECT_ARGS(ibounds));
     RecordingData* data = new RecordingData(operation, mRecording->recording()->m_nodeCount++);
     mRecording->recording()->m_tree.insert(ibounds, data);
@@ -988,7 +995,7 @@ void PlatformGraphicsContextRecording::appendDrawingOperation(
 
 void PlatformGraphicsContextRecording::appendStateOperation(GraphicsOperation::Operation* operation)
 {
-    ALOGV("appendOperation %p->%s()", operation, operation->name());
+    ALOGV("RECORDING: appendOperation %p->%s()", operation, operation->name());
     RecordingData* data = new RecordingData(operation, mRecording->recording()->m_nodeCount++);
     mRecordingStateStack.last().mCanvasState->adoptAndAppend(data);
 }
diff --git a/Source/WebCore/platform/graphics/android/context/PlatformGraphicsContextRecording.h b/Source/WebCore/platform/graphics/android/context/PlatformGraphicsContextRecording.h
index 0461749..d62eb8a 100644
--- a/Source/WebCore/platform/graphics/android/context/PlatformGraphicsContextRecording.h
+++ b/Source/WebCore/platform/graphics/android/context/PlatformGraphicsContextRecording.h
@@ -60,7 +60,7 @@ private:
 class PlatformGraphicsContextRecording : public PlatformGraphicsContext {
 public:
     PlatformGraphicsContextRecording(Recording* picture);
-    virtual ~PlatformGraphicsContextRecording() {}
+    virtual ~PlatformGraphicsContextRecording();
     virtual bool isPaintingDisabled();
 
     virtual SkCanvas* recordingCanvas();
-- 
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