Move chrome/browser/gtk to chrome/browser/ui/gtk

chrome/browser/ui/gtk/status_bubble_gtk.h

+// Copyright (c) 2009 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_GTK_STATUS_BUBBLE_GTK_H_
+#define CHROME_BROWSER_UI_GTK_STATUS_BUBBLE_GTK_H_
+#pragma once
+
+#include <gtk/gtk.h>
+
+#include <string>
+
+#include "app/gtk_signal.h"
+#include "base/scoped_ptr.h"
+#include "base/timer.h"
+#include "chrome/browser/gtk/owned_widget_gtk.h"
+#include "chrome/browser/ui/status_bubble.h"
+#include "chrome/common/notification_observer.h"
+#include "chrome/common/notification_registrar.h"
+#include "gfx/point.h"
+#include "googleurl/src/gurl.h"
+#include "ui/base/animation/animation_delegate.h"
+
+class GtkThemeProvider;
+class Profile;
+
+namespace ui {
+class SlideAnimation;
+}
+
+// GTK implementation of StatusBubble. Unlike Windows, our status bubble
+// doesn't have the nice leave-the-window effect since we can't rely on the
+// window manager to not try to be "helpful" and center our popups, etc.
+// We therefore position it absolutely in a GtkFixed, that we don't own.
+class StatusBubbleGtk : public StatusBubble,
+                        public NotificationObserver,
+                        public ui::AnimationDelegate {
+ public:
+  explicit StatusBubbleGtk(Profile* profile);
+  virtual ~StatusBubbleGtk();
+
+  bool flip_horizontally() const { return flip_horizontally_; }
+  int y_offset() const { return y_offset_; }
+
+  // StatusBubble implementation.
+  virtual void SetStatus(const string16& status);
+  virtual void SetURL(const GURL& url, const string16& languages);
+  virtual void Hide();
+  virtual void MouseMoved(const gfx::Point& location, bool left_content);
+
+  // ui::AnimationDelegate implementation.
+  virtual void AnimationEnded(const ui::Animation* animation);
+  virtual void AnimationProgressed(const ui::Animation* animation);
+
+  // Called when the download shelf becomes visible or invisible.
+  // This is used by to ensure that the status bubble does not obscure
+  // the download shelf, when it is visible.
+  virtual void UpdateDownloadShelfVisibility(bool visible);
+
+  // Overridden from NotificationObserver:
+  virtual void Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details);
+
+  // Top of the widget hierarchy for a StatusBubble. This top level widget is
+  // guarenteed to have its gtk_widget_name set to "status-bubble" for
+  // identification.
+  GtkWidget* widget() { return container_.get(); }
+
+ private:
+  // Sets the text of the label widget and controls visibility. (As contrasted
+  // with setting the current status or URL text, which may be ignored for now).
+  void SetStatusTextTo(const std::string& status_utf8);
+
+  // Sets the status text to the current value of |url_|, eliding it as
+  // necessary.
+  void SetStatusTextToURL();
+
+  // Sets the status bubble's location in the parent GtkFixed, shows the widget
+  // and makes sure that the status bubble has the highest z-order.
+  void Show();
+
+  // Builds the widgets, containers, etc.
+  void InitWidgets();
+
+  // Notification from the window that we should retheme ourself.
+  void UserChangedTheme();
+
+  // Sets whether the bubble should be flipped horizontally and displayed on the
+  // opposite side of the tab contents.  Reshapes the container and queues a
+  // redraw if necessary.
+  void SetFlipHorizontally(bool flip_horizontally);
+
+  // Expand the bubble up to the full width of the browser, so that the entire
+  // URL may be seen. Called after the user hovers over a link for sufficient
+  // time.
+  void ExpandURL();
+
+  // Adjust the actual size of the bubble by changing the label's size request.
+  void UpdateLabelSizeRequest();
+
+  // Returns true if the status bubble is in the expand-state (i.e., is
+  // currently expanded or in the process of expanding).
+  bool expanded() {
+    return expand_animation_.get();
+  }
+
+  CHROMEGTK_CALLBACK_1(StatusBubbleGtk, gboolean, HandleMotionNotify,
+                       GdkEventMotion*);
+
+  CHROMEGTK_CALLBACK_1(StatusBubbleGtk, gboolean, HandleEnterNotify,
+                       GdkEventCrossing*);
+
+  NotificationRegistrar registrar_;
+
+  // Provides colors.
+  GtkThemeProvider* theme_provider_;
+
+  // The toplevel event box.
+  OwnedWidgetGtk container_;
+
+  // The GtkAlignment holding |label_|.
+  GtkWidget* padding_;
+
+  // The GtkLabel holding the text.
+  GtkWidget* label_;
+
+  // The status text we want to display when there are no URLs to display.
+  std::string status_text_;
+
+  // The URL we are displaying for.
+  GURL url_;
+
+  // The possibly elided url text we want to display.
+  std::string url_text_;
+
+  // Used to determine the character set that the user can read (for eliding
+  // the url text).
+  string16 languages_;
+
+  // A timer that hides our window after a delay.
+  base::OneShotTimer<StatusBubbleGtk> hide_timer_;
+
+  // A timer that expands our window after a delay.
+  base::OneShotTimer<StatusBubbleGtk> expand_timer_;
+
+  // The animation for resizing the status bubble on long hovers.
+  scoped_ptr<ui::SlideAnimation> expand_animation_;
+
+  // The start and end width of the current resize animation.
+  int start_width_;
+  int desired_width_;
+
+  // Should the bubble be flipped horizontally (e.g. displayed on the right for
+  // an LTR language)?  We move the bubble to the other side of the tab contents
+  // rather than sliding it down when the download shelf is visible.
+  bool flip_horizontally_;
+
+  // Vertical offset used to hide the status bubble as the pointer nears it.
+  int y_offset_;
+
+  // If the download shelf is visible, do not obscure it.
+  bool download_shelf_is_visible_;
+
+  // 'location' and 'left_content' values from the last invocation of
+  // MouseMoved().  We hang onto these so we can move the bubble if necessary
+  // when its text changes, triggering a size change.
+  gfx::Point last_mouse_location_;
+  bool last_mouse_left_content_;
+
+  // Shortly after the cursor enters the status bubble, we'll get a message
+  // that the cursor left the content area. This lets us ignore that.
+  bool ignore_next_left_content_;
+};
+
+#endif  // CHROME_BROWSER_UI_GTK_STATUS_BUBBLE_GTK_H_