browser_frame_ash.cc revision a02191e04bc25c4935f804f2c080ae28663d096d 
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/browser_frame_ash.h"
6
7#include "ash/wm/window_state.h"
8#include "ash/wm/window_state_delegate.h"
9#include "ash/wm/window_util.h"
10#include "chrome/browser/ui/browser_commands.h"
11#include "chrome/browser/ui/browser_finder.h"
12#include "chrome/browser/ui/views/frame/browser_shutdown.h"
13#include "chrome/browser/ui/views/frame/browser_view.h"
14#include "ui/aura/client/aura_constants.h"
15#include "ui/aura/window.h"
16#include "ui/aura/window_observer.h"
17#include "ui/views/view.h"
18
19using aura::Window;
20
21namespace {
22
23// BrowserWindowStateDelegate class handles a user's fullscreen
24// request (Shift+F4/F4).
25class BrowserWindowStateDelegate : public ash::wm::WindowStateDelegate {
26 public:
27  explicit BrowserWindowStateDelegate(Browser* browser)
28      : browser_(browser) {
29    DCHECK(browser_);
30  }
31  virtual ~BrowserWindowStateDelegate(){}
32
33  // Overridden from ash::wm::WindowStateDelegate.
34  virtual bool ToggleFullscreen(ash::wm::WindowState* window_state) OVERRIDE {
35    DCHECK(window_state->IsFullscreen() || window_state->CanMaximize());
36    // Windows which cannot be maximized should not be fullscreened.
37    if (!window_state->IsFullscreen() && !window_state->CanMaximize())
38      return true;
39    chrome::ToggleFullscreenMode(browser_);
40    return true;
41  }
42 private:
43  Browser* browser_;  // not owned.
44
45  DISALLOW_COPY_AND_ASSIGN(BrowserWindowStateDelegate);
46};
47
48}  // namespace
49
50///////////////////////////////////////////////////////////////////////////////
51// BrowserFrameAsh, public:
52
53// static
54const char BrowserFrameAsh::kWindowName[] = "BrowserFrameAsh";
55
56BrowserFrameAsh::BrowserFrameAsh(BrowserFrame* browser_frame,
57                                 BrowserView* browser_view)
58    : views::NativeWidgetAura(browser_frame),
59      browser_view_(browser_view) {
60  GetNativeWindow()->SetName(kWindowName);
61  Browser* browser = browser_view->browser();
62  ash::wm::WindowState* window_state =
63      ash::wm::GetWindowState(GetNativeWindow());
64  window_state->SetDelegate(
65      scoped_ptr<ash::wm::WindowStateDelegate>(
66          new BrowserWindowStateDelegate(browser)).Pass());
67
68  // Turn on auto window management if we don't need an explicit bounds.
69  // This way the requested bounds are honored.
70  if (!browser->bounds_overridden() && !browser->is_session_restore())
71    SetWindowAutoManaged();
72#if defined(OS_CHROMEOS)
73  // For legacy reasons v1 apps (like Secure Shell) are allowed to consume keys
74  // like brightness, volume, etc. Otherwise these keys are handled by the
75  // Ash window manager.
76  window_state->set_can_consume_system_keys(browser->is_app());
77#endif  // defined(OS_CHROMEOS)
78}
79
80///////////////////////////////////////////////////////////////////////////////
81// BrowserFrameAsh, views::NativeWidgetAura overrides:
82
83void BrowserFrameAsh::OnWindowDestroying(aura::Window* window) {
84  // Destroy any remaining WebContents early on. Doing so may result in
85  // calling back to one of the Views/LayoutManagers or supporting classes of
86  // BrowserView. By destroying here we ensure all said classes are valid.
87  DestroyBrowserWebContents(browser_view_->browser());
88  NativeWidgetAura::OnWindowDestroying(window);
89}
90
91void BrowserFrameAsh::OnWindowTargetVisibilityChanged(bool visible) {
92  if (visible) {
93    // Once the window has been shown we know the requested bounds
94    // (if provided) have been honored and we can switch on window management.
95    SetWindowAutoManaged();
96  }
97  views::NativeWidgetAura::OnWindowTargetVisibilityChanged(visible);
98}
99
100////////////////////////////////////////////////////////////////////////////////
101// BrowserFrameAsh, NativeBrowserFrame implementation:
102
103views::NativeWidget* BrowserFrameAsh::AsNativeWidget() {
104  return this;
105}
106
107const views::NativeWidget* BrowserFrameAsh::AsNativeWidget() const {
108  return this;
109}
110
111bool BrowserFrameAsh::UsesNativeSystemMenu() const {
112  return false;
113}
114
115int BrowserFrameAsh::GetMinimizeButtonOffset() const {
116  return 0;
117}
118
119BrowserFrameAsh::~BrowserFrameAsh() {
120}
121
122///////////////////////////////////////////////////////////////////////////////
123// BrowserFrameAsh, private:
124
125void BrowserFrameAsh::SetWindowAutoManaged() {
126  if (!browser_view_->browser()->is_type_popup() ||
127      browser_view_->browser()->is_app()) {
128    ash::wm::GetWindowState(GetNativeWindow())->
129        set_window_position_managed(true);
130  }
131}
132