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/contents_layout_manager.h"
6
7 #include "ui/views/view.h"
8
ContentsLayoutManager(views::View * devtools_view,views::View * contents_view)9 ContentsLayoutManager::ContentsLayoutManager(
10 views::View* devtools_view,
11 views::View* contents_view)
12 : devtools_view_(devtools_view),
13 contents_view_(contents_view),
14 host_(NULL),
15 active_top_margin_(0) {
16 }
17
~ContentsLayoutManager()18 ContentsLayoutManager::~ContentsLayoutManager() {
19 }
20
SetContentsResizingStrategy(const DevToolsContentsResizingStrategy & strategy)21 void ContentsLayoutManager::SetContentsResizingStrategy(
22 const DevToolsContentsResizingStrategy& strategy) {
23 if (strategy_.Equals(strategy))
24 return;
25
26 strategy_.CopyFrom(strategy);
27 if (host_)
28 host_->InvalidateLayout();
29 }
30
SetActiveTopMargin(int margin)31 void ContentsLayoutManager::SetActiveTopMargin(int margin) {
32 if (active_top_margin_ == margin)
33 return;
34
35 active_top_margin_ = margin;
36 if (host_)
37 host_->InvalidateLayout();
38 }
39
Layout(views::View * contents_container)40 void ContentsLayoutManager::Layout(views::View* contents_container) {
41 DCHECK(host_ == contents_container);
42
43 int top = active_top_margin_;
44 int height = std::max(0, contents_container->height() - top);
45 int width = contents_container->width();
46
47 gfx::Size container_size(width, height);
48 gfx::Rect old_devtools_bounds(devtools_view_->bounds());
49 gfx::Rect old_contents_bounds(contents_view_->bounds());
50 gfx::Rect new_devtools_bounds;
51 gfx::Rect new_contents_bounds;
52
53 old_devtools_bounds.Offset(0, -top);
54 old_contents_bounds.Offset(0, -top);
55 ApplyDevToolsContentsResizingStrategy(strategy_, container_size,
56 old_devtools_bounds, old_contents_bounds,
57 &new_devtools_bounds, &new_contents_bounds);
58 new_devtools_bounds.Offset(0, top);
59 new_contents_bounds.Offset(0, top);
60
61 // DevTools cares about the specific position, so we have to compensate RTL
62 // layout here.
63 new_devtools_bounds.set_x(host_->GetMirroredXForRect(new_devtools_bounds));
64 new_contents_bounds.set_x(host_->GetMirroredXForRect(new_contents_bounds));
65
66 devtools_view_->SetBoundsRect(new_devtools_bounds);
67 contents_view_->SetBoundsRect(new_contents_bounds);
68 }
69
GetPreferredSize(const views::View * host) const70 gfx::Size ContentsLayoutManager::GetPreferredSize(
71 const views::View* host) const {
72 return gfx::Size();
73 }
74
Installed(views::View * host)75 void ContentsLayoutManager::Installed(views::View* host) {
76 DCHECK(!host_);
77 host_ = host;
78 }
79
Uninstalled(views::View * host)80 void ContentsLayoutManager::Uninstalled(views::View* host) {
81 DCHECK(host_ == host);
82 host_ = NULL;
83 }
84