chrome/browser/ui/views/frame/top_container_view.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/views/frame/top_container_view.h"
   6
   7 #include "chrome/browser/ui/views/frame/browser_frame.h"
   8 #include "chrome/browser/ui/views/frame/browser_view.h"
   9 #include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
  10
  11 TopContainerView::TopContainerView(BrowserView* browser_view)
  12     : browser_view_(browser_view) {
  13 }
  14
  15 TopContainerView::~TopContainerView() {
  16 }
  17
  18 gfx::Size TopContainerView::GetPreferredSize() {
  19   // The view wants to be as wide as its parent and tall enough to fully show
  20   // all its children. In particular, the bottom of the bookmark bar can be
  21   // be above the bottom of the toolbar while the bookmark bar is animating.
  22   int height = 0;
  23   for (int i = 0; i < child_count(); ++i) {
  24     views::View* child = child_at(i);
  25     if (!child->visible())
  26       continue;
  27     int child_bottom = child->bounds().bottom();
  28     if (child_bottom > height)
  29       height = child_bottom;
  30   }
  31   if (browser_view_->immersive_mode_controller()->IsRevealed()) {
  32     // In immersive fullscreen, the TopContainerView paints the window header
  33     // (themes, window title, window controls). The TopContainerView must still
  34     // paint these even if it does not have any visible children.
  35     height = std::max(height, browser_view_->frame()->GetTopInset());
  36   }
  37   return gfx::Size(browser_view_->width(), height);
  38 }
  39
  40 const char* TopContainerView::GetClassName() const {
  41   return "TopContainerView";
  42 }
  43
  44 void TopContainerView::OnPaintBackground(gfx::Canvas* canvas) {
  45   if (browser_view_->immersive_mode_controller()->IsRevealed()) {
  46     // Top-views depend on parts of the frame (themes, window title,
  47     // window controls) being painted underneath them. Clip rect has already
  48     // been set to the bounds of this view, so just paint the frame.
  49     views::View* frame = browser_view_->frame()->GetFrameView();
  50     frame->Paint(canvas);
  51   }
  52 }