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/*
* Copyright 2007, 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 "CachedPrefix.h"
#include "android_graphics.h"
#include "CachedColor.h"
#include "CachedRoot.h"
#include "IntRect.h"
#include "LayerAndroid.h"
#include "SkCanvas.h"
#include "SkCornerPathEffect.h"
#include "SkPath.h"
#include "SkRegion.h"
#include "WebViewCore.h"
namespace android {
// The CSS values for the inner and outer widths may be specified as fractions
#define WIDTH_SCALE 0.0625f // 1/16, to offset the scale in CSSStyleSelector
void CursorRing::draw(SkCanvas* canvas, LayerAndroid* layer, IntRect* inval)
{
if (!m_lastBounds.isEmpty()) {
*inval = m_lastBounds;
m_lastBounds = IntRect(0, 0, 0, 0);
}
#if USE(ACCELERATED_COMPOSITING)
int layerId = m_node->isInLayer() ? m_frame->layer(m_node)->uniqueId() : -1;
if (layer->uniqueId() != layerId)
return;
#endif
if (canvas->quickReject(m_bounds, SkCanvas::kAA_EdgeType)) {
DBG_NAV_LOGD("canvas->quickReject cursorNode=%d (nodePointer=%p)"
" bounds=(%d,%d,w=%d,h=%d)", m_node->index(), m_node->nodePointer(),
m_bounds.x(), m_bounds.y(), m_bounds.width(), m_bounds.height());
return;
}
const CachedColor& colors = m_frame->color(m_node);
unsigned rectCount = m_rings.size();
SkRegion rgn;
SkPath path;
for (unsigned i = 0; i < rectCount; i++)
{
SkRect r(m_rings[i]);
SkIRect ir;
r.round(&ir);
ir.inset(-colors.outset(), -colors.outset());
rgn.op(ir, SkRegion::kUnion_Op);
}
rgn.getBoundaryPath(&path);
SkPaint paint;
paint.setAntiAlias(true);
paint.setPathEffect(new SkCornerPathEffect(
SkIntToScalar(colors.radius())))->unref();
SkColor outer;
SkColor inner;
if (m_isPressed) {
SkColor pressed;
pressed = colors.fillColor();
paint.setColor(pressed);
canvas->drawPath(path, paint);
outer = colors.pressedOuterColor();
inner = colors.pressedInnerColor();
} else {
outer = colors.selectedOuterColor();
inner = colors.selectedInnerColor();
}
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(colors.outerWidth() * WIDTH_SCALE);
paint.setColor(outer);
canvas->drawPath(path, paint);
paint.setStrokeWidth(colors.innerWidth() * WIDTH_SCALE);
paint.setColor(inner);
canvas->drawPath(path, paint);
SkRect localBounds, globalBounds;
localBounds = path.getBounds();
float width = std::max(colors.innerWidth(), colors.outerWidth());
width *= WIDTH_SCALE;
localBounds.inset(-width, -width);
const SkMatrix& matrix = canvas->getTotalMatrix();
matrix.mapRect(&globalBounds, localBounds);
SkIRect globalIBounds;
globalBounds.round(&globalIBounds);
m_lastBounds = globalIBounds;
inval->unite(m_lastBounds);
}
void CursorRing::setIsButton(const CachedNode* node)
{
m_isButton = false;
m_viewImpl->gButtonMutex.lock();
// If this is a button drawn by us (rather than webkit) do not draw the
// cursor ring, since its cursor will be shown by a change in what we draw.
// Should be in sync with recordButtons, since that will be called
// before this.
if (m_viewImpl->m_buttons.size() > 0) {
WebCore::Node* cursorPointer = (WebCore::Node*) node->nodePointer();
Container* end = m_viewImpl->m_buttons.end();
for (Container* ptr = m_viewImpl->m_buttons.begin(); ptr != end; ptr++) {
if (ptr->matches(cursorPointer)) {
m_isButton = true;
break;
}
}
}
m_viewImpl->gButtonMutex.unlock();
}
bool CursorRing::setup()
{
m_node->localCursorRings(m_frame, &m_rings);
if (!m_rings.size()) {
DBG_NAV_LOG("!rings.size()");
m_viewImpl->m_hasCursorBounds = false;
return false;
}
setIsButton(m_node);
m_bounds = m_node->localBounds(m_frame);
m_viewImpl->updateCursorBounds(m_root, m_frame, m_node);
bool useHitBounds = m_node->useHitBounds();
if (useHitBounds)
m_bounds = m_node->localHitBounds(m_frame);
if (useHitBounds || m_node->useBounds()) {
m_rings.clear();
m_rings.append(m_bounds);
}
m_absBounds = m_node->bounds(m_frame);
const CachedColor& colors = m_frame->color(m_node);
m_bounds.inflate(SkScalarCeil(colors.outerWidth()));
m_absBounds.inflate(SkScalarCeil(colors.outerWidth()));
if (!m_node->hasCursorRing() || (m_node->isPlugin() && m_node->isFocus()))
return false;
#if DEBUG_NAV_UI
const WebCore::IntRect& ring = m_rings[0];
DBG_NAV_LOGD("cursorNode=%d (nodePointer=%p) pressed=%s rings=%d"
" (%d, %d, %d, %d) isPlugin=%s",
m_node->index(), m_node->nodePointer(),
m_isPressed ? "true" : "false",
m_rings.size(), ring.x(), ring.y(), ring.width(), ring.height(),
m_node->isPlugin() ? "true" : "false");
DBG_NAV_LOGD("[%d] inner=%d outer=%d outset=%d radius=%d"
" fill=0x%08x pin=0x%08x pout=0x%08x sin=0x%08x sout=0x%08x",
m_node->colorIndex(), colors.innerWidth(), colors.outerWidth(),
colors.outset(), colors.radius(), colors.fillColor(),
colors.pressedInnerColor(), colors.pressedOuterColor(),
colors.selectedInnerColor(), colors.selectedInnerColor());
#endif
return true;
}
}
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