Porting the app launcher to Windows, and adding an experimental flag...

chrome/browser/chromeos/app_launcher.cc

Index: chrome/browser/chromeos/app_launcher.cc
===================================================================
--- chrome/browser/chromeos/app_launcher.cc	(revision 42236)
+++ chrome/browser/chromeos/app_launcher.cc	(working copy)
@@ -1,495 +0,0 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/chromeos/app_launcher.h"
-
-#include <string>
-#include <vector>
-
-#include "app/gfx/canvas.h"
-#include "app/resource_bundle.h"
-#include "base/command_line.h"
-#include "base/message_loop.h"
-#include "base/string_util.h"
-#include "chrome/browser/autocomplete/autocomplete_edit.h"
-#include "chrome/browser/autocomplete/autocomplete_edit_view_gtk.h"
-#include "chrome/browser/browser.h"
-#include "chrome/browser/browser_list.h"
-#include "chrome/browser/browser_window.h"
-#include "chrome/browser/bubble_positioner.h"
-#include "chrome/browser/chromeos/frame/browser_view.h"
-#include "chrome/browser/chromeos/status/status_area_view.h"
-#include "chrome/browser/chromeos/wm_ipc.h"
-#include "chrome/browser/in_process_webkit/dom_storage_context.h"
-#include "chrome/browser/in_process_webkit/webkit_context.h"
-#include "chrome/browser/profile.h"
-#include "chrome/browser/renderer_host/render_view_host.h"
-#include "chrome/browser/renderer_host/render_view_host_factory.h"
-#include "chrome/browser/renderer_host/render_widget_host_view.h"
-#include "chrome/browser/renderer_host/render_widget_host_view_gtk.h"
-#include "chrome/browser/renderer_host/site_instance.h"
-#include "chrome/browser/renderer_preferences_util.h"
-#include "chrome/browser/tab_contents/render_view_host_delegate_helper.h"
-#include "chrome/browser/tab_contents/tab_contents.h"
-#include "chrome/browser/views/bubble_border.h"
-#include "gfx/insets.h"
-#include "gfx/point.h"
-#include "grit/app_resources.h"
-#include "grit/generated_resources.h"
-#include "grit/theme_resources.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-#include "views/background.h"
-#include "views/controls/native/native_view_host.h"
-#include "views/painter.h"
-#include "views/screen.h"
-#include "views/widget/root_view.h"
-#include "views/widget/widget_gtk.h"
-
-namespace {
-
-// Padding & margins for the navigation entry.
-const int kNavigationEntryPadding = 2;
-const int kNavigationEntryXMargin = 3;
-const int kNavigationEntryYMargin = 1;
-
-// NavigationBar size.
-const int kNavigationBarHeight = 25;
-
-// Padding for the bubble info window.
-const int kBubbleWindowXPadding = 6;
-const int kBubbleWindowYPadding = 16;
-
-// Command line switch for specifying url of the page.
-const wchar_t kURLSwitch[] = L"main-menu-url";
-
-// Command line switch for specifying the size of the main menu. The default is
-// full screen.
-const wchar_t kMenuSizeSwitch[] = L"main-menu-size";
-
-// URL of the page to load. This is ignored if kURLSwitch is specified.
-const char kMenuURL[] = "http://goto.ext.google.com/crux-home";
-
-// Returns the URL of the menu.
-static GURL GetMenuURL() {
-  std::wstring url_string =
-      CommandLine::ForCurrentProcess()->GetSwitchValue(kURLSwitch);
-  if (!url_string.empty())
-    return GURL(WideToUTF8(url_string));
-  return GURL(kMenuURL);
-}
-
-// RenderWidgetHostViewGtk propagates the mouse press events (see
-// render_widget_host_view_gtk.cc).  We subclass to stop the propagation here,
-// as if the click event was propagated it would reach the TopContainer view and
-// it would close the popup.
-class RWHVNativeViewHost : public views::NativeViewHost {
- public:
-  RWHVNativeViewHost() {}
-
-  virtual bool OnMousePressed(const views::MouseEvent& event) { return true; }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(RWHVNativeViewHost);
-};
-
-}  // namspace
-
-namespace chromeos {
-
-////////////////////////////////////////////////////////////////////////////////
-// NavigationBar
-//
-// A navigation bar that is shown in the app launcher in compact navigation bar
-// mode.
-
-class NavigationBar : public views::View,
-                      public AutocompleteEditController,
-                      public BubblePositioner {
- public:
-  explicit NavigationBar(AppLauncher* app_launcher)
-      : views::View(),
-        app_launcher_(app_launcher),
-        location_entry_view_(NULL) {
-    SetFocusable(true);
-    location_entry_view_ = new views::NativeViewHost;
-    AddChildView(location_entry_view_);
-  }
-
-  virtual ~NavigationBar() {
-    if (location_entry_view_->native_view())
-      location_entry_view_->Detach();
-  }
-
-  // views::View overrides.
-  virtual void Focus() {
-    location_entry_->SetFocus();
-    location_entry_->SelectAll(true);
-  }
-
-  virtual void Layout() {
-    gfx::Rect bounds = GetLocalBounds(false);
-
-    const int vertical_margin =
-        kNavigationEntryPadding + kNavigationEntryYMargin;
-
-    location_entry_view_->SetBounds(
-        bounds.x() + kNavigationEntryXMargin + kNavigationEntryPadding,
-        bounds.y() + vertical_margin,
-        bounds.width() - 2 * (kNavigationEntryPadding +
-                              kNavigationEntryXMargin),
-        bounds.height() - vertical_margin * 2);
-  }
-
-  virtual void Paint(gfx::Canvas* canvas) {
-    const int padding = kNavigationEntryPadding;
-    canvas->FillRectInt(SK_ColorWHITE, 0, 0, width(), height());
-    // Draw border around the entry.
-    gfx::Rect bounds = location_entry_view_->GetBounds(
-        views::View::APPLY_MIRRORING_TRANSFORMATION);
-    canvas->DrawRectInt(SK_ColorGRAY,
-                        bounds.x() - padding,
-                        bounds.y() - padding,
-                        bounds.width() + padding * 2,
-                        bounds.height() + padding * 2);
-  }
-
-  // BubblePositioner implementation.
-  virtual gfx::Rect GetLocationStackBounds() const {
-    gfx::Rect bounds = location_entry_view_->GetBounds(
-        views::View::APPLY_MIRRORING_TRANSFORMATION);
-    gfx::Point origin(bounds.x(), bounds.bottom() + kNavigationEntryPadding);
-    views::View::ConvertPointToScreen(this, &origin);
-    gfx::Rect rect = gfx::Rect(origin, gfx::Size(500, 0));
-    if (UILayoutIsRightToLeft()) {
-      // Align the window to the right side of the entry view when
-      // UI is RTL mode.
-      rect.set_x(rect.x() - (rect.width() - location_entry_view_->width()));
-    }
-    return rect;
-  }
-
-  // AutocompleteController implementation.
-  virtual void OnAutocompleteAccept(const GURL& url,
-                                    WindowOpenDisposition disposition,
-                                    PageTransition::Type transition,
-                                    const GURL& alternate_nav_url) {
-    app_launcher_->AddTabWithURL(url, transition);
-    app_launcher_->Hide();
-  }
-  virtual void OnChanged() {}
-  virtual void OnInputInProgress(bool in_progress) {}
-  virtual void OnKillFocus() {}
-  virtual void OnSetFocus() {
-    views::FocusManager* focus_manager = GetFocusManager();
-    if (!focus_manager) {
-      NOTREACHED();
-      return;
-    }
-    focus_manager->SetFocusedView(this);
-  }
-  virtual SkBitmap GetFavIcon() const {
-    return SkBitmap();
-  }
-  virtual std::wstring GetTitle() const {
-    return std::wstring();
-  }
-
-  // AutocompleteEditView depends on the browser instance.
-  // Create new one when the browser instance changes.
-  void Update(Browser* browser) {
-    // Detach the native view if any.
-    if (location_entry_view_ && location_entry_view_->native_view())
-      location_entry_view_->Detach();
-
-    location_entry_.reset(new AutocompleteEditViewGtk(
-        this, browser->toolbar_model(), browser->profile(),
-        browser->command_updater(), false, this));
-    location_entry_->Init();
-    gtk_widget_show_all(location_entry_->widget());
-    gtk_widget_hide(location_entry_->widget());
-
-    location_entry_view_->set_focus_view(this);
-    location_entry_view_->Attach(location_entry_->widget());
-  }
-
- private:
-  AppLauncher* app_launcher_;
-  views::NativeViewHost* location_entry_view_;
-  scoped_ptr<AutocompleteEditViewGtk> location_entry_;
-
-  DISALLOW_COPY_AND_ASSIGN(NavigationBar);
-};
-
-////////////////////////////////////////////////////////////////////////////////
-// TopContainer
-//
-// A view that grays-out the browser and contains the navigation bar and
-// renderer view.
-
-AppLauncher::TopContainer::TopContainer(AppLauncher* app_launcher)
-    : app_launcher_(app_launcher) {
-  // Use a transparent black background so the browser appears grayed-out.
-  set_background(views::Background::CreateSolidBackground(0, 0, 0, 100));
-}
-
-void AppLauncher::TopContainer::Layout() {
-  if (bounds().IsEmpty())
-    return;
-
-  // We only expect to contain the BubbleContents.
-  DCHECK(GetChildViewCount() == 1);
-  GetChildViewAt(0)->SetBounds(kBubbleWindowXPadding, kBubbleWindowYPadding,
-                               width() * 2 / 3, height() * 4 / 5);
-}
-
-bool AppLauncher::TopContainer::OnMousePressed(const views::MouseEvent& event) {
-  // Clicking outside the bubble closes the bubble.
-  app_launcher_->Hide();
-  return false;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// BubbleContainer
-//
-// The view that contains the navigation bar and render view.  It has a bubble
-// border.
-
-AppLauncher::BubbleContainer::BubbleContainer(AppLauncher* app_launcher)
-    : app_launcher_(app_launcher) {
-  BubbleBorder* bubble_border = new BubbleBorder();
-  bubble_border->set_arrow_location(BubbleBorder::TOP_LEFT);
-  set_border(bubble_border);
-  set_background(new BubbleBackground(bubble_border));
-}
-
-void AppLauncher::BubbleContainer::Layout() {
-  if (bounds().IsEmpty() || GetChildViewCount() == 0)
-    return;
-
-  gfx::Rect bounds = GetLocalBounds(false);
-  // TODO(jcampan): figure-out why we need to inset for the contained view not
-  //                to paint over the bubble border.
-  bounds.Inset(2, 2);
-
-  app_launcher_->navigation_bar_->SetBounds(bounds.x(), bounds.y(),
-                                            bounds.width(),
-                                            kNavigationBarHeight);
-  int render_y = app_launcher_->navigation_bar_->bounds().bottom();
-  gfx::Size rwhv_size =
-      gfx::Size(bounds.width(),
-                std::max(0, bounds.height() - render_y + bounds.y()));
-  app_launcher_->render_view_container_->SetBounds(bounds.x(), render_y,
-                                                   rwhv_size.width(),
-                                                   rwhv_size.height());
-  app_launcher_->rwhv_->SetSize(rwhv_size);
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// AppLauncher
-
-AppLauncher::AppLauncher(Browser* browser)
-    : browser_(browser),
-      popup_(NULL),
-      site_instance_(NULL),
-      contents_rvh_(NULL),
-      rwhv_(NULL),
-      ALLOW_THIS_IN_INITIALIZER_LIST(tab_contents_delegate_(this)),
-      ALLOW_THIS_IN_INITIALIZER_LIST(method_factory_(this)),
-      top_container_(NULL),
-      bubble_container_(NULL),
-      navigation_bar_(NULL),
-      render_view_container_(NULL),
-      has_shown_(false) {
-  popup_ = new views::WidgetGtk(views::WidgetGtk::TYPE_WINDOW);
-  // The background image has transparency, so we make the window transparent.
-  popup_->MakeTransparent();
-  popup_->Init(NULL, gfx::Rect());
-  WmIpc::instance()->SetWindowType(
-      popup_->GetNativeView(),
-      WmIpc::WINDOW_TYPE_CHROME_INFO_BUBBLE,
-      NULL);
-
-  // Register Esc as an accelerator for closing the app launcher.
-  views::FocusManager* focus_manager = popup_->GetFocusManager();
-  focus_manager->RegisterAccelerator(views::Accelerator(base::VKEY_ESCAPE,
-                                                        false, false, false),
-                                     this);
-
-  top_container_ = new TopContainer(this);
-  popup_->SetContentsView(top_container_);
-
-  bubble_container_ = new BubbleContainer(this);
-  top_container_->AddChildView(bubble_container_);
-  navigation_bar_ = new NavigationBar(this);
-  bubble_container_->AddChildView(navigation_bar_);
-
-  GURL menu_url(GetMenuURL());
-  DCHECK(BrowserList::begin() != BrowserList::end());
-  // TODO(sky): this shouldn't pick a random profile to use.
-  Profile* profile = (*BrowserList::begin())->profile();
-  int64 session_storage_namespace_id = profile->GetWebKitContext()->
-      dom_storage_context()->AllocateSessionStorageNamespaceId();
-  site_instance_ = SiteInstance::CreateSiteInstanceForURL(profile, menu_url);
-  contents_rvh_ = new RenderViewHost(site_instance_, this, MSG_ROUTING_NONE,
-                                     session_storage_namespace_id);
-
-  rwhv_ = new RenderWidgetHostViewGtk(contents_rvh_);
-  rwhv_->InitAsChild();
-  contents_rvh_->CreateRenderView(profile->GetRequestContext());
-
-  render_view_container_ = new RWHVNativeViewHost;
-  bubble_container_->AddChildView(render_view_container_);
-  render_view_container_->Attach(rwhv_->GetNativeView());
-  contents_rvh_->NavigateToURL(menu_url);
-
-  navigation_bar_->Update(browser);
-  // Set the transient window so that ChromeOS WM treat this
-  // as if a popup window.
-  gtk_window_set_transient_for(
-      GTK_WINDOW(popup_->GetNativeView()),
-      GTK_WINDOW(browser_->window()->GetNativeHandle()));
-
-  ActiveWindowWatcherX::AddObserver(this);
-}
-
-AppLauncher::~AppLauncher() {
-  contents_rvh_->Shutdown();
-  popup_->CloseNow();
-  ActiveWindowWatcherX::RemoveObserver(this);
-}
-
-void AppLauncher::Update() {
-  popup_->SetBounds(browser_->window()->GetRestoredBounds());
-  top_container_->Layout();
-}
-
-void AppLauncher::Show() {
-  Cleanup();
-
-  Update();
-  popup_->Show();
-
-  GtkWidget* rwhv_widget = rwhv_->GetNativeView();
-  if (!has_shown_) {
-    has_shown_ = true;
-    gtk_widget_realize(rwhv_widget);
-  }
-}
-
-void AppLauncher::ActiveWindowChanged(GdkWindow* active_window) {
-  if (!popup_->IsActive())
-    Hide();
-  else
-    navigation_bar_->RequestFocus();
-}
-
-bool AppLauncher::AcceleratorPressed(const views::Accelerator& accelerator) {
-  DCHECK(accelerator.GetKeyCode() == base::VKEY_ESCAPE);
-  popup_->Hide();
-  return true;
-}
-
-void AppLauncher::Hide() {
-  popup_->Hide();
-  // The stack may have pending_contents_ on it. Delay deleting the
-  // pending_contents_ as TabContents doesn't deal well with being deleted
-  // while on the stack.
-  MessageLoop::current()->PostTask(FROM_HERE,
-      method_factory_.NewRunnableMethod(&AppLauncher::Cleanup));
-}
-
-void AppLauncher::Cleanup() {
-  pending_contents_.reset(NULL);
-  method_factory_.RevokeAll();
-}
-
-void AppLauncher::RequestMove(const gfx::Rect& new_bounds) {
-  // Invoking PositionChild results in a gtk signal that triggers attempting to
-  // to resize the window. We need to set the size request so that it resizes
-  // correctly when this happens.
-  gtk_widget_set_size_request(popup_->GetNativeView(),
-                              new_bounds.width(), new_bounds.height());
-  popup_->SetBounds(new_bounds);
-}
-
-RendererPreferences AppLauncher::GetRendererPrefs(Profile* profile) const {
-  RendererPreferences preferences;
-  renderer_preferences_util::UpdateFromSystemSettings(&preferences, profile);
-  return preferences;
-}
-
-void AppLauncher::AddTabWithURL(const GURL& url,
-                             PageTransition::Type transition) {
-  switch (StatusAreaView::GetOpenTabsMode()) {
-    case StatusAreaView::OPEN_TABS_ON_LEFT: {
-      // Add the new tab at the first non-pinned location.
-      int index = browser_->tabstrip_model()->IndexOfFirstNonMiniTab();
-      browser_->AddTabWithURL(url, GURL(), transition,
-                              true, index, true, NULL);
-      break;
-    }
-    case StatusAreaView::OPEN_TABS_CLOBBER: {
-      browser_->GetSelectedTabContents()->controller().LoadURL(
-          url, GURL(), transition);
-      break;
-    }
-    case StatusAreaView::OPEN_TABS_ON_RIGHT: {
-      browser_->AddTabWithURL(url, GURL(), transition, true, -1, true, NULL);
-      break;
-    }
-  }
-}
-
-void AppLauncher::CreateNewWindow(int route_id) {
-  if (pending_contents_.get()) {
-    NOTREACHED();
-    return;
-  }
-
-  helper_.CreateNewWindow(route_id, browser_->profile(), site_instance_,
-                          DOMUIFactory::GetDOMUIType(GURL(GetMenuURL())),
-                          NULL);
-  pending_contents_.reset(helper_.GetCreatedWindow(route_id));
-  pending_contents_->set_delegate(&tab_contents_delegate_);
-}
-
-void AppLauncher::ShowCreatedWindow(int route_id,
-                                 WindowOpenDisposition disposition,
-                                 const gfx::Rect& initial_pos,
-                                 bool user_gesture) {
-  if (disposition == NEW_POPUP) {
-    pending_contents_->set_delegate(NULL);
-    browser_->GetSelectedTabContents()->AddNewContents(
-        pending_contents_.release(), disposition, initial_pos, user_gesture);
-    Hide();
-  }
-}
-
-void AppLauncher::StartDragging(const WebDropData& drop_data,
-                                WebKit::WebDragOperationsMask allowed_ops,
-                                const SkBitmap& image,
-                                const gfx::Point& image_offset) {
-  // We're not going to do any drag & drop, but we have to tell the renderer the
-  // drag & drop ended, othewise the renderer thinks the drag operation is
-  // underway and mouse events won't work.
-  contents_rvh_->DragSourceSystemDragEnded();
-}
-
-AppLauncher::TabContentsDelegateImpl::TabContentsDelegateImpl(
-    AppLauncher* app_launcher)
-    : app_launcher_(app_launcher) {
-}
-
-void AppLauncher::TabContentsDelegateImpl::OpenURLFromTab(
-    TabContents* source,
-    const GURL& url,
-    const GURL& referrer,
-    WindowOpenDisposition disposition,
-    PageTransition::Type transition) {
-  app_launcher_->browser_->OpenURL(url, referrer, NEW_FOREGROUND_TAB,
-                                   PageTransition::LINK);
-  app_launcher_->Hide();
-}
-
-}  // namespace chromeos