opaque_browser_frame_view_linux.cc revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7 
1// Copyright (c) 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/opaque_browser_frame_view_linux.h"
6
7#include "chrome/browser/themes/theme_service.h"
8#include "chrome/browser/themes/theme_service_factory.h"
9#include "chrome/browser/ui/views/frame/opaque_browser_frame_view.h"
10#include "chrome/browser/ui/views/frame/opaque_browser_frame_view_layout.h"
11#include "ui/views/linux_ui/linux_ui.h"
12
13///////////////////////////////////////////////////////////////////////////////
14// OpaqueBrowserFrameViewLinux, public:
15
16OpaqueBrowserFrameViewLinux::OpaqueBrowserFrameViewLinux(
17    OpaqueBrowserFrameView* view,
18    OpaqueBrowserFrameViewLayout* layout,
19    Profile* profile)
20    : view_(view),
21      layout_(layout),
22      theme_service_(ThemeServiceFactory::GetForProfile(profile)) {
23  views::LinuxUI* ui = views::LinuxUI::instance();
24  if (ui)
25    ui->AddWindowButtonOrderObserver(this);
26}
27
28OpaqueBrowserFrameViewLinux::~OpaqueBrowserFrameViewLinux() {
29  views::LinuxUI* ui = views::LinuxUI::instance();
30  if (ui)
31    ui->RemoveWindowButtonOrderObserver(this);
32}
33
34bool OpaqueBrowserFrameViewLinux::IsUsingNativeTheme() {
35  // On X11, this does the correct thing. On Windows, UsingNativeTheme() will
36  // return true when using the default blue theme too.
37  return theme_service_->UsingNativeTheme();
38}
39
40///////////////////////////////////////////////////////////////////////////////
41// OpaqueBrowserFrameViewLinux,
42//     views::WindowButtonOrderObserver implementation:
43
44void OpaqueBrowserFrameViewLinux::OnWindowButtonOrderingChange(
45    const std::vector<views::FrameButton>& leading_buttons,
46    const std::vector<views::FrameButton>& trailing_buttons) {
47  layout_->SetButtonOrdering(leading_buttons, trailing_buttons);
48
49  // We can receive OnWindowButtonOrderingChange events before we've been added
50  // to a Widget. We need a Widget because layout crashes due to dependencies
51  // on a ui::ThemeProvider().
52  if (view_->GetWidget()) {
53    view_->Layout();
54    view_->SchedulePaint();
55  }
56}
57
58///////////////////////////////////////////////////////////////////////////////
59// OpaqueBrowserFrameViewObserver:
60
61// static
62OpaqueBrowserFrameViewPlatformSpecific*
63OpaqueBrowserFrameViewPlatformSpecific::Create(
64      OpaqueBrowserFrameView* view,
65      OpaqueBrowserFrameViewLayout* layout,
66      Profile* profile) {
67  return new OpaqueBrowserFrameViewLinux(view, layout, profile);
68}
69