Make content_shell and content_browsertests working with aura

content/shell/shell_aura.cc

 // Copyright (c) 2012 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 "content/shell/shell.h"
 
+#include "base/utf_string_conversions.h"
+#include "ui/aura/desktop/desktop_screen.h"
+#include "ui/aura/desktop/desktop_stacking_client.h"
+#include "ui/aura/display_manager.h"
+#include "ui/aura/env.h"
+#include "ui/aura/root_window.h"
+#include "ui/aura/window.h"
+#include "ui/aura/single_display_manager.h"
+#include "ui/base/accessibility/accessibility_types.h"
+#include "ui/base/clipboard/clipboard.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/gfx/screen.h"
+#include "ui/views/controls/button/text_button.h"
+#include "ui/views/controls/textfield/textfield.h"
+#include "ui/views/controls/textfield/textfield_controller.h"
+#include "ui/views/controls/webview/webview.h"
+#include "ui/views/layout/fill_layout.h"
+#include "ui/views/layout/grid_layout.h"
+#include "ui/views/view.h"
+#include "ui/views/views_delegate.h"
+#include "ui/views/widget/desktop_native_widget_helper_aura.h"
+#include "ui/views/widget/widget.h"
+#include "ui/views/widget/widget_delegate.h"
+
+#if defined(OS_CHROMEOS)
+#include "chromeos/dbus/dbus_thread_manager.h"
+#endif
+
+namespace views {
+// ViewDelegate implementation for aura content shell
+class ShellViewsDelegateAura : public ViewsDelegate {
+ public:
+  ShellViewsDelegateAura()
+    : use_transparent_windows_(false) {
+    DCHECK(!ViewsDelegate::views_delegate);
+    ViewsDelegate::views_delegate = this;
+  }
+
+  virtual ~ShellViewsDelegateAura() {
+    ViewsDelegate::views_delegate = NULL;
+  }
+
+  void SetUseTransparentWindows(bool transparent) {
+    use_transparent_windows_ = transparent;
+  }
+
+  // Overridden from ViewsDelegate:
+  virtual ui::Clipboard* GetClipboard() const OVERRIDE {
+    if (!clipboard_.get()) {
+      clipboard_.reset(new ui::Clipboard);
+    }
+    return clipboard_.get();
+  }
+
+  virtual void SaveWindowPlacement(const Widget* window,
+                                   const std::string& window_name,
+                                   const gfx::Rect& bounds,
+                                   ui::WindowShowState show_state) OVERRIDE {
+  }
+
+  virtual bool GetSavedWindowPlacement(
+      const std::string& window_name,
+      gfx::Rect* bounds,
+      ui::WindowShowState* show_state) const OVERRIDE {
+    return false;
+  }
+
+  virtual void NotifyAccessibilityEvent(
+      View* view, ui::AccessibilityTypes::Event event_type) OVERRIDE {}
+
+  virtual void NotifyMenuItemFocused(const string16& menu_name,
+                                     const string16& menu_item_name,
+                                     int item_index,
+                                     int item_count,
+                                     bool has_submenu) OVERRIDE {}
+#if defined(OS_WIN)
+  virtual HICON GetDefaultWindowIcon() const OVERRIDE {
+    return NULL;
+  }
+#endif
+  virtual NonClientFrameView* CreateDefaultNonClientFrameView(
+      Widget* widget) OVERRIDE {
+    return NULL;
+  }
+  virtual bool UseTransparentWindows() const OVERRIDE {
+    return use_transparent_windows_;
+  }
+  virtual void AddRef() OVERRIDE {}
+  virtual void ReleaseRef() OVERRIDE {}
+
+  virtual int GetDispositionForEvent(int event_flags) OVERRIDE {
+    return 0;
+  }
+
+  virtual views::NativeWidgetHelperAura* CreateNativeWidgetHelper(
+      views::NativeWidgetAura* native_widget) OVERRIDE {
+    return new views::DesktopNativeWidgetHelperAura(native_widget);
+  }
+
+  virtual content::WebContents* CreateWebContents(
+      content::BrowserContext* browser_context,
+      content::SiteInstance* site_instance) OVERRIDE {
+    return NULL;
+  }
+
+ private:
+  mutable scoped_ptr<ui::Clipboard> clipboard_;
+  bool use_transparent_windows_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShellViewsDelegateAura);
+};
+
+// Maintain the UI controls and web view for content shell
+class ShellWindowDelegateView : public WidgetDelegateView,
+                                public TextfieldController,
+                                public ButtonListener {
+ public:
+  enum UIControl {
+    BACK_BUTTON,
+    FORWARD_BUTTON,
+    STOP_BUTTON
+  };
+
+  ShellWindowDelegateView(content::Shell* shell)
+    : shell_(shell),
+      toolbar_view_(new View),
+      contents_view_(new View) {
+  }
+  virtual ~ShellWindowDelegateView() {}
+
+  // Update the state of UI controls
+  void SetAddressBarURL(const GURL& url) {
+    url_entry_->SetText(ASCIIToUTF16(url.spec()));
+  }
+  void SetWebContents(content::WebContents* web_contents) {
+    contents_view_->SetLayoutManager(new FillLayout());
+    web_view_ = new WebView(web_contents->GetBrowserContext());
+    web_view_->SetWebContents(web_contents);
+    web_contents->Focus();
+    contents_view_->AddChildView(web_view_);
+    Layout();
+  }
+  void SetWindowTitle(const string16& title) { title_ = title; }
+  void EnableUIControl(UIControl control, bool is_enabled) {
+    if (control == BACK_BUTTON) {
+      back_button_->SetState(is_enabled ? CustomButton::BS_NORMAL
+          : CustomButton::BS_DISABLED);
+    } else if (control == FORWARD_BUTTON) {
+      forward_button_->SetState(is_enabled ? CustomButton::BS_NORMAL
+          : CustomButton::BS_DISABLED);
+    } else if (control == STOP_BUTTON) {
+      stop_button_->SetState(is_enabled ? CustomButton::BS_NORMAL
+          : CustomButton::BS_DISABLED);
+    }
+  }
+
+ private:
+  // Initialize the UI control contained in shell window
+  void InitShellWindow() {
+    set_background(Background::CreateStandardPanelBackground());
+
+    GridLayout* layout = new GridLayout(this);
+    SetLayoutManager(layout);
+
+    ColumnSet* column_set = layout->AddColumnSet(0);
+    column_set->AddPaddingColumn(0, 2);
+    column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
+                          GridLayout::USE_PREF, 0, 0);
+    column_set->AddPaddingColumn(0, 2);
+
+    layout->AddPaddingRow(0, 2);
+
+    // Add toolbar buttons and URL text field
+    {
+      layout->StartRow(0, 0);
+      GridLayout* toolbar_layout = new GridLayout(toolbar_view_);
+      toolbar_view_->SetLayoutManager(toolbar_layout);
+
+      ColumnSet* toolbar_column_set =
+          toolbar_layout->AddColumnSet(0);
+      // Back button
+      back_button_ = new NativeTextButton(this, ASCIIToUTF16("Back"));
+      gfx::Size back_button_size = back_button_->GetPreferredSize();
+      toolbar_column_set->AddColumn(GridLayout::CENTER,
+                                    GridLayout::CENTER, 0,
+                                    GridLayout::FIXED,
+                                    back_button_size.width(),
+                                    back_button_size.width() / 2);
+      // Forward button
+      forward_button_ = new NativeTextButton(this, ASCIIToUTF16("Forward"));
+      gfx::Size forward_button_size = forward_button_->GetPreferredSize();
+      toolbar_column_set->AddColumn(GridLayout::CENTER,
+                                    GridLayout::CENTER, 0,
+                                    GridLayout::FIXED,
+                                    forward_button_size.width(),
+                                    forward_button_size.width() / 2);
+      // Refresh button
+      refresh_button_ = new NativeTextButton(this, ASCIIToUTF16("Refresh"));
+      gfx::Size refresh_button_size = refresh_button_->GetPreferredSize();
+      toolbar_column_set->AddColumn(GridLayout::CENTER,
+                                    GridLayout::CENTER, 0,
+                                    GridLayout::FIXED,
+                                    refresh_button_size.width(),
+                                    refresh_button_size.width() / 2);
+      // Stop button
+      stop_button_ = new NativeTextButton(this, ASCIIToUTF16("Stop"));
+      gfx::Size stop_button_size = stop_button_->GetPreferredSize();
+      toolbar_column_set->AddColumn(GridLayout::CENTER,
+                                    GridLayout::CENTER, 0,
+                                    GridLayout::FIXED,
+                                    stop_button_size.width(),
+                                    stop_button_size.width() / 2);
+      toolbar_column_set->AddPaddingColumn(0, 2);
+      // URL entry
+      url_entry_ = new Textfield();
+      url_entry_->SetController(this);
+      toolbar_column_set->AddColumn(GridLayout::FILL,
+                                    GridLayout::FILL, 1,
+                                    GridLayout::USE_PREF, 0, 0);
+
+      // Fill up the first row
+      toolbar_layout->StartRow(0, 0);
+      toolbar_layout->AddView(back_button_);
+      toolbar_layout->AddView(forward_button_);
+      toolbar_layout->AddView(refresh_button_);
+      toolbar_layout->AddView(stop_button_);
+      toolbar_layout->AddView(url_entry_);
+
+      layout->AddView(toolbar_view_);
+    }
+
+    layout->AddPaddingRow(0, 5);
+
+    // Add web contents view as the second row
+    {
+      layout->StartRow(1, 0);
+      layout->AddView(contents_view_);
+    }
+
+    layout->AddPaddingRow(0, 5);
+  }
+  // Overriden from TextfieldController
+  virtual void ContentsChanged(Textfield* sender,
+                               const string16& new_contents) OVERRIDE {
+  }
+  virtual bool HandleKeyEvent(Textfield* sender,
+                              const KeyEvent& key_event) OVERRIDE {
+   if (sender == url_entry_ && key_event.key_code() == ui::VKEY_RETURN) {
+     std::string text = UTF16ToUTF8(url_entry_->text());
+     GURL url(text);
+     if (!url.has_scheme()) {
+       url = GURL(std::string("http://") + std::string(text));
+       url_entry_->SetText(ASCIIToUTF16(url.spec()));
+     }
+     shell_->LoadURL(url);
+     return true;
+   }
+   return false;
+  }
+
+  // Overriden from ButtonListener
+  virtual void ButtonPressed(Button* sender,
+      const Event& event) OVERRIDE {
+    if (sender == back_button_)
+      shell_->GoBackOrForward(-1);
+    else if (sender == forward_button_)
+      shell_->GoBackOrForward(1);
+    else if (sender == refresh_button_)
+      shell_->Reload();
+    else if (sender == stop_button_)
+      shell_->Stop();
+  }
+
+  // Overriden from WidgetDelegateView
+  virtual bool CanResize() const OVERRIDE { return true; }
+  virtual bool CanMaximize() const OVERRIDE { return true; }
+  virtual string16 GetWindowTitle() const OVERRIDE {
+    return title_;
+  }
+  virtual void WindowClosing() OVERRIDE {
+    if (shell_) delete shell_;
+  }
+  virtual View* GetContentsView() OVERRIDE { return this; }
+
+  // Overriden from View
+  virtual void ViewHierarchyChanged(bool is_add,
+                                    View* parent,
+                                    View* child) OVERRIDE {
+    if (is_add && child == this) {
+      InitShellWindow();
+    }
+  }
+
+ private:
+  // Hold a reference of Shell for deleting it when the window is closing
+  content::Shell* shell_;
+
+  // Window title
+  string16 title_;
+
+  // Toolbar view contains forward/backward/reload button and URL entry
+  View* toolbar_view_;
+  NativeTextButton* back_button_;
+  NativeTextButton* forward_button_;
+  NativeTextButton* refresh_button_;
+  NativeTextButton* stop_button_;
+  Textfield* url_entry_;
+
+  // Contents view contains the web contents view
+  View* contents_view_;
+  WebView* web_view_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShellWindowDelegateView);
+};
+
+}  // namespace views
+
 namespace content {
 
+using views::ShellWindowDelegateView;
+using views::ShellViewsDelegateAura;
+
+aura::client::StackingClient* Shell::stacking_client_ = NULL;
+views::ViewsDelegate* Shell::views_delegate_ = NULL;
+
 // static
 void Shell::PlatformInitialize() {
+#if defined(OS_CHROMEOS)
+  chromeos::DBusThreadManager::Initialize();
+#endif
+  aura::Env::GetInstance()->SetDisplayManager(new aura::SingleDisplayManager);
+  stacking_client_ = new aura::DesktopStackingClient();
+  gfx::Screen::SetInstance(aura::CreateDesktopScreen());
+  views_delegate_ = new ShellViewsDelegateAura();
+
+  // Loading locale resources for Widget::CreateWindowWithBounds initialization
+  // in which CustomFrameView requires the accessible name for buttons.
+  ui::ResourceBundle::GetSharedInstance().ReloadLocaleResources("en-US");
 }
 
 base::StringPiece Shell::PlatformResourceProvider(int key) {
   return base::StringPiece();
 }
 
 void Shell::PlatformExit() {
+#if defined(OS_CHROMEOS)
+  chromeos::DBusThreadManager::Shutdown();
+#endif
+  if (stacking_client_)
+    delete stacking_client_;
+  if (views_delegate_)
+    delete views_delegate_;
+  aura::Env::DeleteInstance();
 }
 
 void Shell::PlatformCleanUp() {
 }
 
 void Shell::PlatformEnableUIControl(UIControl control, bool is_enabled) {
+  ShellWindowDelegateView* delegate_view =
+    static_cast<ShellWindowDelegateView*>(window_widget_->widget_delegate());
+  if (control == BACK_BUTTON) {
+    delegate_view->EnableUIControl(ShellWindowDelegateView::BACK_BUTTON,
+        is_enabled);
+  } else if (control == FORWARD_BUTTON) {
+    delegate_view->EnableUIControl(ShellWindowDelegateView::FORWARD_BUTTON,
+        is_enabled);
+  } else if (control == STOP_BUTTON) {
+    delegate_view->EnableUIControl(ShellWindowDelegateView::STOP_BUTTON,
+        is_enabled);
+  }
 }
 
 void Shell::PlatformSetAddressBarURL(const GURL& url) {
+  ShellWindowDelegateView* delegate_view =
+    static_cast<ShellWindowDelegateView*>(window_widget_->widget_delegate());
+  delegate_view->SetAddressBarURL(url);
 }
 
 void Shell::PlatformSetIsLoading(bool loading) {
 }
 
 void Shell::PlatformCreateWindow(int width, int height) {
+  window_widget_ =
+      views::Widget::CreateWindowWithBounds(new ShellWindowDelegateView(this),
+               gfx::Rect(0, 0, width, height));
+  window_ = window_widget_->GetNativeWindow();
+  window_widget_->Show();
 }
 
 void Shell::PlatformSetContents() {
+  ShellWindowDelegateView* delegate_view =
+    static_cast<ShellWindowDelegateView*>(window_widget_->widget_delegate());
+  delegate_view->SetWebContents(web_contents_.get());
 }
 
 void Shell::PlatformResizeSubViews() {
 }
 
 void Shell::Close() {
+  window_widget_->Close();
 }
 
 void Shell::PlatformSetTitle(const string16& title) {
+  ShellWindowDelegateView* delegate_view =
+    static_cast<ShellWindowDelegateView*>(window_widget_->widget_delegate());
+  delegate_view->SetWindowTitle(title);
+  window_widget_->UpdateWindowTitle();
 }
 
 }  // namespace content