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      1 // Copyright (c) 2012 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/desktop_browser_frame_aura.h"
      6 
      7 #include "chrome/app/chrome_command_ids.h"
      8 #include "chrome/browser/ui/views/frame/browser_desktop_window_tree_host.h"
      9 #include "chrome/browser/ui/views/frame/browser_shutdown.h"
     10 #include "chrome/browser/ui/views/frame/browser_view.h"
     11 #include "grit/chromium_strings.h"
     12 #include "grit/generated_resources.h"
     13 #include "ui/aura/client/aura_constants.h"
     14 #include "ui/aura/window.h"
     15 #include "ui/aura/window_event_dispatcher.h"
     16 #include "ui/aura/window_observer.h"
     17 #include "ui/base/hit_test.h"
     18 #include "ui/base/l10n/l10n_util.h"
     19 #include "ui/base/models/simple_menu_model.h"
     20 #include "ui/gfx/font.h"
     21 #include "ui/views/view.h"
     22 #include "ui/wm/core/visibility_controller.h"
     23 
     24 using aura::Window;
     25 
     26 ///////////////////////////////////////////////////////////////////////////////
     27 // DesktopBrowserFrameAura, public:
     28 
     29 DesktopBrowserFrameAura::DesktopBrowserFrameAura(
     30     BrowserFrame* browser_frame,
     31     BrowserView* browser_view)
     32     : views::DesktopNativeWidgetAura(browser_frame),
     33       browser_view_(browser_view),
     34       browser_frame_(browser_frame),
     35       browser_desktop_window_tree_host_(NULL) {
     36   GetNativeWindow()->SetName("BrowserFrameAura");
     37 }
     38 
     39 ///////////////////////////////////////////////////////////////////////////////
     40 // DesktopBrowserFrameAura, protected:
     41 
     42 DesktopBrowserFrameAura::~DesktopBrowserFrameAura() {
     43 }
     44 
     45 ///////////////////////////////////////////////////////////////////////////////
     46 // DesktopBrowserFrameAura, views::DesktopNativeWidgetAura overrides:
     47 
     48 void DesktopBrowserFrameAura::OnHostClosed() {
     49   // Destroy any remaining WebContents early on. Doing so may result in
     50   // calling back to one of the Views/LayoutManagers or supporting classes of
     51   // BrowserView. By destroying here we ensure all said classes are valid.
     52   DestroyBrowserWebContents(browser_view_->browser());
     53   aura::client::SetVisibilityClient(GetNativeView()->GetRootWindow(), NULL);
     54   DesktopNativeWidgetAura::OnHostClosed();
     55 }
     56 
     57 void DesktopBrowserFrameAura::InitNativeWidget(
     58     const views::Widget::InitParams& params) {
     59   browser_desktop_window_tree_host_ =
     60       BrowserDesktopWindowTreeHost::CreateBrowserDesktopWindowTreeHost(
     61           browser_frame_,
     62           this,
     63           browser_view_,
     64           browser_frame_);
     65   views::Widget::InitParams modified_params = params;
     66   modified_params.desktop_window_tree_host =
     67       browser_desktop_window_tree_host_->AsDesktopWindowTreeHost();
     68   DesktopNativeWidgetAura::InitNativeWidget(modified_params);
     69 
     70   visibility_controller_.reset(new wm::VisibilityController);
     71   aura::client::SetVisibilityClient(GetNativeView()->GetRootWindow(),
     72                                     visibility_controller_.get());
     73   wm::SetChildWindowVisibilityChangesAnimated(
     74       GetNativeView()->GetRootWindow());
     75 }
     76 
     77 ////////////////////////////////////////////////////////////////////////////////
     78 // DesktopBrowserFrameAura, NativeBrowserFrame implementation:
     79 
     80 views::NativeWidget* DesktopBrowserFrameAura::AsNativeWidget() {
     81   return this;
     82 }
     83 
     84 const views::NativeWidget* DesktopBrowserFrameAura::AsNativeWidget() const {
     85   return this;
     86 }
     87 
     88 bool DesktopBrowserFrameAura::UsesNativeSystemMenu() const {
     89   return browser_desktop_window_tree_host_->UsesNativeSystemMenu();
     90 }
     91 
     92 int DesktopBrowserFrameAura::GetMinimizeButtonOffset() const {
     93   return browser_desktop_window_tree_host_->GetMinimizeButtonOffset();
     94 }
     95 
     96 bool DesktopBrowserFrameAura::ShouldSaveWindowPlacement() const {
     97   // The placement can always be stored.
     98   return true;
     99 }
    100 
    101 void DesktopBrowserFrameAura::GetWindowPlacement(
    102     gfx::Rect* bounds,
    103     ui::WindowShowState* show_state) const {
    104   *bounds = GetWidget()->GetRestoredBounds();
    105   if (IsMaximized())
    106     *show_state = ui::SHOW_STATE_MAXIMIZED;
    107   else if (IsMinimized())
    108     *show_state = ui::SHOW_STATE_MINIMIZED;
    109   else
    110     *show_state = ui::SHOW_STATE_NORMAL;
    111 }
    112