opaque_browser_frame_view_linux.cc revision d0247b1b59f9c528cb6df88b4f2b9afaf80d181e 
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/ui/views/frame/opaque_browser_frame_view.h"
8#include "chrome/browser/ui/views/frame/opaque_browser_frame_view_layout.h"
9#include "ui/views/linux_ui/linux_ui.h"
10
11///////////////////////////////////////////////////////////////////////////////
12// OpaqueBrowserFrameViewLinux, public:
13
14OpaqueBrowserFrameViewLinux::OpaqueBrowserFrameViewLinux(
15    OpaqueBrowserFrameView* view,
16    OpaqueBrowserFrameViewLayout* layout)
17    : view_(view),
18      layout_(layout) {
19  views::LinuxUI* ui = views::LinuxUI::instance();
20  if (ui)
21    ui->AddWindowButtonOrderObserver(this);
22}
23
24OpaqueBrowserFrameViewLinux::~OpaqueBrowserFrameViewLinux() {
25  views::LinuxUI* ui = views::LinuxUI::instance();
26  if (ui)
27    ui->RemoveWindowButtonOrderObserver(this);
28}
29
30///////////////////////////////////////////////////////////////////////////////
31// OpaqueBrowserFrameViewLinux,
32//     views::WindowButtonOrderObserver implementation:
33
34void OpaqueBrowserFrameViewLinux::OnWindowButtonOrderingChange(
35    const std::vector<views::FrameButton>& leading_buttons,
36    const std::vector<views::FrameButton>& trailing_buttons) {
37  layout_->SetButtonOrdering(leading_buttons, trailing_buttons);
38
39  // We can receive OnWindowButtonOrderingChange events before we've been added
40  // to a Widget. We need a Widget because layout crashes due to dependencies
41  // on a ui::ThemeProvider().
42  if (view_->GetWidget()) {
43    view_->Layout();
44    view_->SchedulePaint();
45  }
46}
47
48///////////////////////////////////////////////////////////////////////////////
49// OpaqueBrowserFrameViewObserver:
50
51// static
52OpaqueBrowserFrameViewPlatformSpecific*
53OpaqueBrowserFrameViewPlatformSpecific::Create(
54      OpaqueBrowserFrameView* view,
55      OpaqueBrowserFrameViewLayout* layout) {
56  return new OpaqueBrowserFrameViewLinux(view, layout);
57}
58