1 files changed, 81 insertions, 0 deletions
diff --git a/WebCore/platform/graphics/android/PaintTileOperation.cpp b/WebCore/platform/graphics/android/PaintTileOperation.cpp
new file mode 100644
index 0000000..222b69b
--- /dev/null
+++ b/WebCore/platform/graphics/android/PaintTileOperation.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2011, The Android Open Source Project
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "PaintTileOperation.h"
+
+namespace WebCore {
+
+PaintTileOperation::PaintTileOperation(BaseTile* tile)
+    : QueuedOperation(QueuedOperation::PaintTile, tile->page())
+    , m_tile(tile)
+{
+    if (m_tile)
+        m_tile->setRepaintPending(true);
+}
+
+PaintTileOperation::~PaintTileOperation()
+{
+    if (m_tile) {
+        m_tile->setRepaintPending(false);
+        m_tile = 0;
+    }
+}
+
+bool PaintTileOperation::operator==(const QueuedOperation* operation)
+{
+    if (operation->type() != type())
+        return false;
+    const PaintTileOperation* op = static_cast<const PaintTileOperation*>(operation);
+    return op->m_tile == m_tile;
+}
+
+void PaintTileOperation::run()
+{
+    if (m_tile) {
+        m_tile->paintBitmap();
+        m_tile->setRepaintPending(false);
+        m_tile = 0;
+    }
+}
+
+int PaintTileOperation::priority()
+{
+    if (!m_tile || m_tile->usedLevel() < 0)
+        return -1;
+    bool goingDown = m_tile->page()->scrollingDown();
+    SkIRect *rect = m_tile->page()->expandedTileBounds();
+    int firstTileX = rect->fLeft;
+    int nbTilesWidth = rect->width();
+    int priority = m_tile->x() - firstTileX;
+    if (goingDown)
+        priority += (rect->fBottom - m_tile->y()) * nbTilesWidth;
+    else
+        priority += (m_tile->y() - rect->fTop) * nbTilesWidth;
+    priority += m_tile->usedLevel() * 100000;
+    return priority;
+}
+
+}