From 9364f22aed35e1a1e9d07c121510f80be3ab0502 Mon Sep 17 00:00:00 2001
From: The Android Open Source Project <initial-contribution@android.com>
Date: Tue, 21 Oct 2008 07:00:00 -0700
Subject: Initial Contribution

---
 .../graphics/android/PlatformGraphicsContext.cpp   | 73 ++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 WebCore/platform/graphics/android/PlatformGraphicsContext.cpp

(limited to 'WebCore/platform/graphics/android/PlatformGraphicsContext.cpp')

diff --git a/WebCore/platform/graphics/android/PlatformGraphicsContext.cpp b/WebCore/platform/graphics/android/PlatformGraphicsContext.cpp
new file mode 100644
index 0000000..af443b8
--- /dev/null
+++ b/WebCore/platform/graphics/android/PlatformGraphicsContext.cpp
@@ -0,0 +1,73 @@
+/* 
+ *
+ * Copyright 2006, 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.
+ */
+
+#include "config.h"
+#include "Node.h"
+#include "PlatformGraphicsContext.h"
+#include "SkCanvas.h"
+
+namespace WebCore {
+        
+PlatformGraphicsContext::PlatformGraphicsContext(SkCanvas* canvas) : mCanvas(canvas), m_deleteCanvas(false)
+{
+    // This is useful only if this Canvas is part of an SkPicture object.
+    m_buttons = new SkTDArray<Container*>;
+}
+
+PlatformGraphicsContext::PlatformGraphicsContext() : m_deleteCanvas(true)
+{
+    mCanvas = new SkCanvas;
+    // Since this is our own private SkCanvas, and has no relation to a picture
+    // storing button references would be meaningless.
+    m_buttons = NULL;
+}
+
+PlatformGraphicsContext::~PlatformGraphicsContext()
+{
+    if (m_deleteCanvas) {
+//        printf("-------------------- deleting offscreen canvas\n");
+        delete mCanvas;
+    }
+    if (m_buttons != NULL) {
+        m_buttons->deleteAll();
+        delete m_buttons;
+    }
+}
+
+SkTDArray<Container*>* PlatformGraphicsContext::getAndClearButtonInfo()
+{
+    // The caller is now responsible for deleting the array
+    SkTDArray<Container*>* buttons = m_buttons;
+    m_buttons = NULL;
+    return buttons;
+}
+
+void PlatformGraphicsContext::storeButtonInfo(Node* node, const IntRect& r)
+{
+    if (m_buttons == NULL)
+        return;
+    // Initialize all of the nodes to have disabled state, so that we guarantee 
+    // that we paint all of them the first time.
+    RenderSkinAndroid::State state = RenderSkinAndroid::kDisabled;
+    Container* container = new Container(node, r, state);
+    // Place a reference to our subpicture in the Picture.
+    mCanvas->drawPicture(*(container->picture()));
+    // Keep track of the information about the button.
+    *m_buttons->append() = container;
+}
+
+}   // WebCore
-- 
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