import org.chromium.ui.gfx.DeviceDisplayInfo; //导入依赖的package包/类
public ProfileDataCache(Context context, Profile profile) {
    ProfileDownloader.addObserver(this);

    mContext = context;
    mProfile = profile;

    final DeviceDisplayInfo info = DeviceDisplayInfo.create(context);
    mImageSizePx = (int) Math.ceil(PROFILE_IMAGE_SIZE_DP * info.getDIPScale());
    mImageStrokePx = (int) Math.ceil(PROFILE_IMAGE_STROKE_DP * info.getDIPScale());
    mImageStrokeColor = Color.WHITE;

    Bitmap placeHolder = BitmapFactory.decodeResource(mContext.getResources(),
            R.drawable.fre_placeholder);
    mPlaceholderImage = getCroppedBitmap(placeHolder);

    update();
}
 

import org.chromium.ui.gfx.DeviceDisplayInfo; //导入依赖的package包/类
/**
 * @param layoutSizer the AwLayoutSizer instance implementing the sizing policy for the view.
 *
 * This version of the constructor is used in test code to inject test versions of the above
 * documented classes.
 */
public AwContents(AwBrowserContext browserContext, ViewGroup containerView,
        InternalAccessDelegate internalAccessAdapter, AwContentsClient contentsClient,
        AwSettings settings, AwLayoutSizer layoutSizer) {
    mBrowserContext = browserContext;
    mContainerView = containerView;
    mInternalAccessAdapter = internalAccessAdapter;
    mContentsClient = contentsClient;
    mContentViewClient = new AwContentViewClient(contentsClient, settings);
    mLayoutSizer = layoutSizer;
    mSettings = settings;
    mDIPScale = DeviceDisplayInfo.create(mContainerView.getContext()).getDIPScale();
    mLayoutSizer.setDelegate(new AwLayoutSizerDelegate());
    mLayoutSizer.setDIPScale(mDIPScale);
    mWebContentsDelegate = new AwWebContentsDelegateAdapter(contentsClient, mContainerView);
    mContentsClientBridge = new AwContentsClientBridge(contentsClient);
    mZoomControls = new AwZoomControls(this);
    mIoThreadClient = new IoThreadClientImpl();
    mInterceptNavigationDelegate = new InterceptNavigationDelegateImpl();

    AwSettings.ZoomSupportChangeListener zoomListener =
            new AwSettings.ZoomSupportChangeListener() {
                @Override
                public void onGestureZoomSupportChanged(
                        boolean supportsDoubleTapZoom, boolean supportsMultiTouchZoom) {
                    mContentViewCore.updateDoubleTapSupport(supportsDoubleTapZoom);
                    mContentViewCore.updateMultiTouchZoomSupport(supportsMultiTouchZoom);
                }

            };
    mSettings.setZoomListener(zoomListener);
    mDefaultVideoPosterRequestHandler = new DefaultVideoPosterRequestHandler(mContentsClient);
    mSettings.setDefaultVideoPosterURL(
            mDefaultVideoPosterRequestHandler.getDefaultVideoPosterURL());
    mSettings.setDIPScale(mDIPScale);
    mScrollOffsetManager = new AwScrollOffsetManager(new AwScrollOffsetManagerDelegate(),
            new OverScroller(mContainerView.getContext()));
    mScrollAccessibilityHelper = new ScrollAccessibilityHelper(mContainerView);

    setOverScrollMode(mContainerView.getOverScrollMode());
    setScrollBarStyle(mInternalAccessAdapter.super_getScrollBarStyle());
    mContainerView.addOnLayoutChangeListener(new AwLayoutChangeListener());

    setNewAwContents(nativeInit(mBrowserContext));

    onVisibilityChanged(mContainerView, mContainerView.getVisibility());
    onWindowVisibilityChanged(mContainerView.getWindowVisibility());
}
 

import org.chromium.ui.gfx.DeviceDisplayInfo; //导入依赖的package包/类
public AwContents(AwBrowserContext browserContext, ViewGroup containerView,
        InternalAccessDelegate internalAccessAdapter, AwContentsClient contentsClient,
        AwLayoutSizer layoutSizer, AwSettings settings) {
    mBrowserContext = browserContext;
    mContainerView = containerView;
    mInternalAccessAdapter = internalAccessAdapter;
    mContentsClient = contentsClient;
    mLayoutSizer = layoutSizer;
    mSettings = settings;
    mDIPScale = DeviceDisplayInfo.create(mContainerView.getContext()).getDIPScale();
    mLayoutSizer.setDelegate(new AwLayoutSizerDelegate());
    mLayoutSizer.setDIPScale(mDIPScale);
    mWebContentsDelegate = new AwWebContentsDelegateAdapter(contentsClient, mContainerView);
    mContentsClientBridge = new AwContentsClientBridge(contentsClient);
    mZoomControls = new AwZoomControls(this);
    mIoThreadClient = new IoThreadClientImpl();
    mInterceptNavigationDelegate = new InterceptNavigationDelegateImpl();

    AwSettings.ZoomSupportChangeListener zoomListener =
            new AwSettings.ZoomSupportChangeListener() {
                @Override
                public void onGestureZoomSupportChanged(boolean supportsGestureZoom) {
                    mContentViewCore.updateMultiTouchZoomSupport(supportsGestureZoom);
                    mContentViewCore.updateDoubleTapSupport(supportsGestureZoom);
                }

            };
    mSettings.setZoomListener(zoomListener);
    mDefaultVideoPosterRequestHandler = new DefaultVideoPosterRequestHandler(mContentsClient);
    mSettings.setDefaultVideoPosterURL(
            mDefaultVideoPosterRequestHandler.getDefaultVideoPosterURL());
    mSettings.setDIPScale(mDIPScale);
    mScrollOffsetManager = new AwScrollOffsetManager(new AwScrollOffsetManagerDelegate(),
            new OverScroller(mContainerView.getContext()));
    mScrollAccessibilityHelper = new ScrollAccessibilityHelper(mContainerView);

    setOverScrollMode(mContainerView.getOverScrollMode());
    setScrollBarStyle(mInternalAccessAdapter.super_getScrollBarStyle());
    mContainerView.addOnLayoutChangeListener(new AwLayoutChangeListener());

    setNewAwContents(nativeInit(mBrowserContext));

    onVisibilityChanged(mContainerView, mContainerView.getVisibility());
    onWindowVisibilityChanged(mContainerView.getWindowVisibility());
}