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/*
* Copyright 2008, 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.
*/
#define LOG_TAG "webcoreglue"
#include <config.h>
#include "WebFrameView.h"
#include "android_graphics.h"
#include "GraphicsContext.h"
#include "Frame.h"
#include "FrameTree.h"
#include "FrameView.h"
#include "HostWindow.h"
#include "PlatformGraphicsContext.h"
#include "WebViewCore.h"
#include <SkCanvas.h>
namespace android {
WebFrameView::WebFrameView(WebCore::FrameView* frameView, WebViewCore* webViewCore)
: WebCoreViewBridge()
, mFrameView(frameView)
, mWebViewCore(webViewCore) {
// attach itself to mFrameView
mFrameView->setPlatformWidget(this);
Retain(mWebViewCore);
}
WebFrameView::~WebFrameView() {
Release(mWebViewCore);
}
void WebFrameView::draw(WebCore::GraphicsContext* ctx, const WebCore::IntRect& rect) {
WebCore::Frame* frame = mFrameView->frame();
if (NULL == frame->contentRenderer()) {
// We only do this if there is nothing else to draw.
// If there is a renderer, it will fill the bg itself, so we don't want to
// double-draw (slow)
SkCanvas* canvas = ctx->platformContext()->mCanvas;
canvas->drawColor(SK_ColorWHITE);
} else if (frame->tree()->parent()) {
// Note: this code was moved from FrameLoaderClientAndroid
//
// For subframe, create a new translated rect from the given rectangle.
WebCore::IntRect transRect(rect);
// In Frame::markAllMatchesForText(), it does a fake paint. So we need
// to handle the case where platformContext() is null. However, we still
// want to call paint, since WebKit must have called the paint for a reason.
SkCanvas* canvas = ctx->platformContext() ? ctx->platformContext()->mCanvas : NULL;
if (canvas) {
const WebCore::IntRect& bounds = getBounds();
// Grab the intersection of transRect and the frame's bounds.
transRect.intersect(bounds);
if (transRect.isEmpty())
return;
// Move the transRect into the frame's local coordinates.
transRect.move(-bounds.x(), -bounds.y());
// Translate the canvas, add a clip.
canvas->save();
canvas->translate(SkIntToScalar(bounds.x()), SkIntToScalar(bounds.y()));
canvas->clipRect(transRect);
}
mFrameView->paintContents(ctx, transRect);
if (canvas)
canvas->restore();
} else {
mFrameView->paintContents(ctx, rect);
}
}
} // namespace android
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