// Copyright 2013 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 "chrome/browser/ui/views/frame/top_container_view.h"

#include "chrome/browser/ui/views/frame/browser_frame.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
#include "ui/views/paint_info.h"

TopContainerView::TopContainerView(BrowserView* browser_view)
    : browser_view_(browser_view) {
}

TopContainerView::~TopContainerView() {
}

const char* TopContainerView::GetClassName() const {
  return "TopContainerView";
}

void TopContainerView::PaintChildren(const views::PaintInfo& paint_info) {
  if (browser_view_->immersive_mode_controller()->IsRevealed()) {
    // Top-views depend on parts of the frame (themes, window title, window
    // controls) being painted underneath them. Clip rect has already been set
    // to the bounds of this view, so just paint the frame.  Use a clone without
    // invalidation info, as we're painting something outside of the normal
    // parent-child relationship, so invalidations are no longer in the correct
    // space to compare.
    ui::PaintContext context(paint_info.context(),
                             ui::PaintContext::CLONE_WITHOUT_INVALIDATION);

    // Since TopContainerView is not an ancestor of BrowserFrameView, it is not
    // responsible for its painting. To call paint on BrowserFrameView, we need
    // to generate a new PaintInfo that shares a DisplayItemList with
    // TopContainerView.
    browser_view_->frame()->GetFrameView()->Paint(
        views::PaintInfo::CreateRootPaintInfo(
            context, browser_view_->frame()->GetFrameView()->size()));
  }
  View::PaintChildren(paint_info);
}

void TopContainerView::ChildPreferredSizeChanged(views::View* child) {
  PreferredSizeChanged();
}