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/*
*
* 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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