top_container_view.cc revision c2e0dbddbe15c98d52c4786dac06cb8952a8ae6d 
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
11TopContainerView::TopContainerView(BrowserView* browser_view)
12    : browser_view_(browser_view) {
13}
14
15TopContainerView::~TopContainerView() {
16}
17
18gfx::Rect TopContainerView::GetTargetBoundsInScreen() const {
19  if (!parent())
20    return bounds();
21
22  // Compute transform relative to parent.
23  gfx::Transform transform;
24  if (layer())
25    transform = layer()->GetTargetTransform();
26  gfx::Transform translation;
27  translation.Translate(static_cast<float>(GetMirroredX()),
28                        static_cast<float>(y()));
29  transform.ConcatTransform(translation);
30
31  gfx::Point origin(parent()->GetBoundsInScreen().origin());
32  transform.TransformPoint(origin);
33  return gfx::Rect(origin, size());
34}
35
36gfx::Size TopContainerView::GetPreferredSize() {
37  // The view wants to be as wide as its parent and tall enough to fully show
38  // all its children. In particular, the bottom of the bookmark bar can be
39  // be above the bottom of the toolbar while the bookmark bar is animating.
40  int height = 0;
41  for (int i = 0; i < child_count(); ++i) {
42    int child_bottom = child_at(i)->bounds().bottom();
43    if (child_bottom > height)
44      height = child_bottom;
45  }
46  return gfx::Size(browser_view_->width(), height);
47}
48
49std::string TopContainerView::GetClassName() const {
50  return "TopContainerView";
51}
52
53void TopContainerView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
54  ImmersiveModeController* immersive_controller =
55      browser_view_->immersive_mode_controller();
56  if (immersive_controller->IsEnabled())
57    immersive_controller->OnTopContainerBoundsChanged();
58}
59
60void TopContainerView::PaintChildren(gfx::Canvas* canvas) {
61  if (browser_view_->immersive_mode_controller()->IsRevealed()) {
62    // Top-views depend on parts of the frame (themes, window buttons) being
63    // painted underneath them. Clip rect has already been set to the bounds
64    // of this view, so just paint the frame.
65    views::View* frame = browser_view_->frame()->GetFrameView();
66    frame->Paint(canvas);
67  }
68
69  views::View::PaintChildren(canvas);
70}
71