Delete the GTK+ port of Chrome.

chrome/browser/ui/gtk/tabs/dragged_view_gtk.h

-// 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.
-
-#ifndef CHROME_BROWSER_UI_GTK_TABS_DRAGGED_VIEW_GTK_H_
-#define CHROME_BROWSER_UI_GTK_TABS_DRAGGED_VIEW_GTK_H_
-
-#include <gtk/gtk.h>
-
-#include <vector>
-
-#include "base/callback.h"
-#include "base/compiler_specific.h"
-#include "ui/base/gtk/gtk_signal.h"
-#include "ui/gfx/animation/animation_delegate.h"
-#include "ui/gfx/animation/slide_animation.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/point.h"
-#include "ui/gfx/rect.h"
-#include "ui/gfx/size.h"
-
-class DragData;
-class TabRendererGtk;
-
-class DraggedViewGtk : public gfx::AnimationDelegate {
- public:
-  DraggedViewGtk(DragData* drag_data,
-                const gfx::Point& mouse_tab_offset,
-                const gfx::Size& contents_size);
-  virtual ~DraggedViewGtk();
-
-  // Moves the attached dragged view to the appropriate location.
-  // |tabstrip_point| is the location of the upper left corner of the dragged
-  // view in screen coordinates.
-  void MoveAttachedTo(const gfx::Point& tabstrip_point);
-
-  // Moves the detached dragged view to the appropriate location. |screen_point|
-  // is the current position of the mouse pointer in screen coordinates.
-  void MoveDetachedTo(const gfx::Point& screen_point);
-
-  // Sets the offset of the mouse from the upper left corner of the tab.
-  void set_mouse_tab_offset(const gfx::Point& offset) {
-    mouse_tab_offset_ = offset;
-  }
-
-  // Notifies the dragged tab that it has become attached to a tabstrip.
-  // |normal_width| and |mini_width| is the width of a mini and a normal tab
-  // respectively after attaching. |parent_window_width| is the width of the
-  // parent window of the tabstrip.
-  void Attach(int normal_width, int mini_width, int parent_window_width);
-
-  // Resizes the dragged tab to a width of |width|.
-  void Resize(int width);
-
-  // Notifies the dragged tab that it has been detached from a tabstrip.
-  void Detach();
-
-  // Notifies the dragged tab that it should update itself.
-  void Update();
-
-  // Animates the dragged tab to the specified bounds, then calls back to
-  // |callback|.
-  void AnimateToBounds(const gfx::Rect& bounds, const base::Closure& callback);
-
-  // Returns the size of the dragged tab. Used when attaching to a tabstrip
-  // to determine where to place the tab in the attached tabstrip.
-  const gfx::Size& attached_tab_size() const { return attached_tab_size_; }
-  int GetAttachedTabWidthAt(int index);
-
-  GtkWidget* widget() const { return container_; }
-
-  int mini_width() { return mini_width_; }
-  int normal_width() { return normal_width_; }
-
-  // Returns the width occupied in the tabstrip from index |from| included to
-  // index |to| excluded. The indices are with respect to |drag_data_|.
-  int GetWidthInTabStripFromTo(int from, int to);
-
-  // Returns the total width occupied in the tabstrip.
-  int GetTotalWidthInTabStrip();
-
-  // Returns the width occupied in the tabstrip from the left most point of the
-  // dragged view up to the source tab excluded.
-  int GetWidthInTabStripUpToSourceTab();
-
-  // Returns the width occupied in the tabstrip from the left most point
-  // (regardless of RTL or LTR mode) of the dragged view up to the mouse pointer
-  // when the drag was initiated.
-  int GetWidthInTabStripUpToMousePointer();
-
-  // Returns the distance from the start of the tabstrip (left, regardless of
-  // RTL) up to the position of the mouse pointer.
-  gfx::Point GetDistanceFromTabStripOriginToMousePointer();
-
- private:
-  // Overridden from gfx::AnimationDelegate:
-  virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE;
-  virtual void AnimationEnded(const gfx::Animation* animation) OVERRIDE;
-  virtual void AnimationCanceled(const gfx::Animation* animation) OVERRIDE;
-
-  // Arranges the contents of the dragged tab.
-  void Layout();
-
-  // Gets the preferred size of the dragged tab.
-  gfx::Size GetPreferredSize();
-
-  // Resizes the container to fit the content for the current attachment mode.
-  void ResizeContainer();
-
-  // Utility for scaling a size by the current scaling factor.
-  int ScaleValue(int value);
-
-  // Returns the bounds of the container window.
-  gfx::Rect bounds() const;
-
-  // Sets the color map of the container window to allow the window to be
-  // transparent.
-  void SetContainerColorMap();
-
-  // Sets full transparency for the container window.  This is used if
-  // compositing is available for the screen.
-  void SetContainerTransparency();
-
-  // Sets the shape mask for the container window to emulate a transparent
-  // container window.  This is used if compositing is not available for the
-  // screen.
-  // |surface| represents the tab only (not the render view).
-  void SetContainerShapeMask();
-
-  void PaintTab(int index, GtkWidget* widget, cairo_t* cr, int widget_width);
-
-  // expose-event handler that notifies when the tab needs to be redrawn.
-  CHROMEGTK_CALLBACK_1(DraggedViewGtk, gboolean, OnExpose, GdkEventExpose*);
-
-  // The window that contains the dragged tab or tab contents.
-  GtkWidget* container_;
-
-  // The fixed widget that we use to contain the tab renderer so that the
-  // tab widget won't be resized.
-  GtkWidget* fixed_;
-
-  // The renderer that paints the dragged tab.
-  std::vector<TabRendererGtk*> renderers_;
-
-  // Holds various data for each dragged tab needed to handle dragging. It is
-  // owned by |DraggedTabControllerGtk| class.
-  DragData* drag_data_;
-
-  // The width of a mini tab at the time the dragging was initiated.
-  int mini_width_;
-
-  // The width of a normal tab (not mini) at the time the dragging was
-  // initiated.
-  int normal_width_;
-
-  // True if the view is currently attached to a tabstrip. Controls rendering
-  // and sizing modes.
-  bool attached_;
-
-  // The width of the browser window where the dragged tabs were attached for
-  // the last time.
-  int parent_window_width_;
-
-  // The unscaled offset of the mouse from the top left of the dragged tab.
-  // This is used to maintain an appropriate offset for the mouse pointer when
-  // dragging scaled and unscaled representations, and also to calculate the
-  // position of detached windows.
-  gfx::Point mouse_tab_offset_;
-
-  // The size of the tab renderer when the dragged tab is attached to a
-  // tabstrip.
-  gfx::Size attached_tab_size_;
-
-  // The dimensions of the WebContents being dragged.
-  gfx::Size contents_size_;
-
-  // The animation used to slide the attached tab to its final location.
-  gfx::SlideAnimation close_animation_;
-
-  // A callback notified when the animation is complete.
-  base::Closure animation_callback_;
-
-  // The start and end bounds of the animation sequence.
-  gfx::Rect animation_start_bounds_;
-  gfx::Rect animation_end_bounds_;
-
-  DISALLOW_COPY_AND_ASSIGN(DraggedViewGtk);
-};
-
-#endif  // CHROME_BROWSER_UI_GTK_TABS_DRAGGED_VIEW_GTK_H_