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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "core/css/MediaValuesCached.h"
#include "core/css/CSSPrimitiveValue.h"
#include "core/dom/Document.h"
#include "core/frame/LocalFrame.h"
#include "core/layout/LayoutObject.h"
#include "core/layout/api/LayoutViewItem.h"
namespace blink {
MediaValuesCached::MediaValuesCachedData::MediaValuesCachedData(
Document& document)
: MediaValuesCached::MediaValuesCachedData() {
ASSERT(isMainThread());
LocalFrame* frame = MediaValues::frameFrom(document);
// TODO(hiroshige): Clean up |frame->view()| conditions.
ASSERT(!frame || frame->view());
if (frame && frame->view()) {
ASSERT(frame->document() && !frame->document()->layoutViewItem().isNull());
// In case that frame is missing (e.g. for images that their document does
// not have a frame)
// We simply leave the MediaValues object with the default
// MediaValuesCachedData values.
viewportWidth = MediaValues::calculateViewportWidth(frame);
viewportHeight = MediaValues::calculateViewportHeight(frame);
deviceWidth = MediaValues::calculateDeviceWidth(frame);
deviceHeight = MediaValues::calculateDeviceHeight(frame);
devicePixelRatio = MediaValues::calculateDevicePixelRatio(frame);
colorBitsPerComponent = MediaValues::calculateColorBitsPerComponent(frame);
monochromeBitsPerComponent =
MediaValues::calculateMonochromeBitsPerComponent(frame);
primaryPointerType = MediaValues::calculatePrimaryPointerType(frame);
availablePointerTypes = MediaValues::calculateAvailablePointerTypes(frame);
primaryHoverType = MediaValues::calculatePrimaryHoverType(frame);
availableHoverTypes = MediaValues::calculateAvailableHoverTypes(frame);
defaultFontSize = MediaValues::calculateDefaultFontSize(frame);
threeDEnabled = MediaValues::calculateThreeDEnabled(frame);
strictMode = MediaValues::calculateStrictMode(frame);
displayMode = MediaValues::calculateDisplayMode(frame);
mediaType = MediaValues::calculateMediaType(frame);
displayShape = MediaValues::calculateDisplayShape(frame);
}
}
MediaValuesCached* MediaValuesCached::create() {
return new MediaValuesCached();
}
MediaValuesCached* MediaValuesCached::create(
const MediaValuesCachedData& data) {
return new MediaValuesCached(data);
}
MediaValuesCached::MediaValuesCached() {}
MediaValuesCached::MediaValuesCached(const MediaValuesCachedData& data)
: m_data(data) {}
MediaValues* MediaValuesCached::copy() const {
return new MediaValuesCached(m_data);
}
bool MediaValuesCached::computeLength(double value,
CSSPrimitiveValue::UnitType type,
int& result) const {
return MediaValues::computeLength(value, type, m_data.defaultFontSize,
m_data.viewportWidth, m_data.viewportHeight,
result);
}
bool MediaValuesCached::computeLength(double value,
CSSPrimitiveValue::UnitType type,
double& result) const {
return MediaValues::computeLength(value, type, m_data.defaultFontSize,
m_data.viewportWidth, m_data.viewportHeight,
result);
}
double MediaValuesCached::viewportWidth() const {
return m_data.viewportWidth;
}
double MediaValuesCached::viewportHeight() const {
return m_data.viewportHeight;
}
int MediaValuesCached::deviceWidth() const {
return m_data.deviceWidth;
}
int MediaValuesCached::deviceHeight() const {
return m_data.deviceHeight;
}
float MediaValuesCached::devicePixelRatio() const {
return m_data.devicePixelRatio;
}
int MediaValuesCached::colorBitsPerComponent() const {
return m_data.colorBitsPerComponent;
}
int MediaValuesCached::monochromeBitsPerComponent() const {
return m_data.monochromeBitsPerComponent;
}
PointerType MediaValuesCached::primaryPointerType() const {
return m_data.primaryPointerType;
}
int MediaValuesCached::availablePointerTypes() const {
return m_data.availablePointerTypes;
}
HoverType MediaValuesCached::primaryHoverType() const {
return m_data.primaryHoverType;
}
int MediaValuesCached::availableHoverTypes() const {
return m_data.availableHoverTypes;
}
bool MediaValuesCached::threeDEnabled() const {
return m_data.threeDEnabled;
}
bool MediaValuesCached::strictMode() const {
return m_data.strictMode;
}
const String MediaValuesCached::mediaType() const {
return m_data.mediaType;
}
WebDisplayMode MediaValuesCached::displayMode() const {
return m_data.displayMode;
}
Document* MediaValuesCached::document() const {
return nullptr;
}
bool MediaValuesCached::hasValues() const {
return true;
}
void MediaValuesCached::overrideViewportDimensions(double width,
double height) {
m_data.viewportWidth = width;
m_data.viewportHeight = height;
}
DisplayShape MediaValuesCached::displayShape() const {
return m_data.displayShape;
}
} // namespace blink
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