Compact Navigation prototype

chrome/browser/ui/views/compact_nav/compact_location_bar_view.h

+// Copyright (c) 2011 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.
+
+#ifndef CHROME_BROWSER_UI_VIEWS_COMPACT_NAV_COMPACT_LOCATION_BAR_VIEW_H_
+#define CHROME_BROWSER_UI_VIEWS_COMPACT_NAV_COMPACT_LOCATION_BAR_VIEW_H_
+
+#include "base/basictypes.h"
+#include "chrome/browser/autocomplete/autocomplete_edit.h"
+#include "chrome/browser/ui/views/compact_nav/compact_location_bar_view_host.h"
+#include "chrome/browser/ui/views/dropdown_bar_view.h"
+#include "views/controls/button/button.h"
+#include "views/view.h"
+
+class Browser;
+class BrowserView;
+class CompactLocationBarViewHost;
+class LocationBarView;
+class ReloadButton;
+class TabContents;
+
+namespace views {
+class ImageButton;
+class NativeViewHost;
+}  // namespace views
+
+// CompactLocationBarView is a version of location bar that is shown under a tab
+// for short period of time when Chrome is in the compact navigation bar mode.
+class CompactLocationBarView : public DropdownBarView,
+                               public views::ButtonListener,
+                               public AutocompleteEditController {
+ public:
+  explicit CompactLocationBarView(CompactLocationBarViewHost* host);
+  virtual ~CompactLocationBarView();
+
+  // Claims focus for the text field and optionally selects its contents.
+  virtual void SetFocusAndSelection(bool select_all);
+
+  // Update the contained location bar to |contents|.
+  void Update(const TabContents* contents);
+
+  // Overridden from AccessiblePaneView
+  virtual bool SetPaneFocus(int view_storage_id, View* initial_focus) OVERRIDE;
+  virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
+
+  LocationBarView* location_bar_view() { return location_bar_view_; }
+  ReloadButton* reload_button() { return reload_button_; }
+
+ private:
+  Browser* browser() const;
+
+  // Called when the view is added to the tree to initialize the
+  // CompactLocationBarView.
+  void Init();
+
+  // Overridden from views::View.
+  virtual gfx::Size GetPreferredSize() OVERRIDE;
+  virtual void OnPaint(gfx::Canvas* canvas);
+  virtual void Layout() OVERRIDE;
+  virtual void Paint(gfx::Canvas* canvas) OVERRIDE;
+  virtual void ViewHierarchyChanged(bool is_add, views::View* parent,
+                                    views::View* child) OVERRIDE;
+
+  // No focus border for the location bar, the caret is enough.
+  virtual void Focus();
+  virtual void PaintFocusBorder(gfx::Canvas* canvas) { }
+
+  // Overridden from views::ButtonListener:
+  virtual void ButtonPressed(views::Button* sender,
+                             const views::Event& event) OVERRIDE;
+
+  // AutocompleteEditController implementation.
+  virtual void OnAutocompleteAccept(const GURL& url,
+                                    WindowOpenDisposition disposition,
+                                    PageTransition::Type transition,
+                                    const GURL& alternate_nav_url) OVERRIDE;
+  virtual void OnChanged() OVERRIDE;
+  virtual void OnSelectionBoundsChanged() OVERRIDE;
+  virtual void OnKillFocus() OVERRIDE;
+  virtual void OnSetFocus() OVERRIDE;
+  virtual SkBitmap GetFavicon() const OVERRIDE;
+  virtual void OnInputInProgress(bool in_progress) OVERRIDE;
+  virtual string16 GetTitle() const OVERRIDE;
+  virtual InstantController* GetInstant() OVERRIDE;
+  virtual TabContentsWrapper* GetTabContentsWrapper() const OVERRIDE;
+
+  CompactLocationBarViewHost* clb_host() {
+    return static_cast<CompactLocationBarViewHost*>(host());
+  }
+
+  ReloadButton* reload_button_;
+  LocationBarView* location_bar_view_;
+  // TODO(stevet): Add the BrowserActionsContainer back.
+
+  // Font used by edit and some of the hints.
+  gfx::Font font_;
+
+  // True if we have already been initialized.
+  bool initialized_;
+
+  DISALLOW_COPY_AND_ASSIGN(CompactLocationBarView);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_COMPACT_NAV_COMPACT_LOCATION_BAR_VIEW_H_