Move src/chrome/views to src/views. RS=darin http://crbug.com/11387

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15604 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 107 insertions, 0 deletions

diff --git a/views/controls/image_view.h b/views/controls/image_view.h
new file mode 100644
index 0000000..b7ac792
--- /dev/null
+++ b/views/controls/image_view.h
@@ -0,0 +1,107 @@
+// Copyright (c) 2006-2008 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 VIEWS_CONTROLS_IMAGE_VIEW_H_
+#define VIEWS_CONTROLS_IMAGE_VIEW_H_
+
+#include "skia/include/SkBitmap.h"
+#include "views/view.h"
+
+class ChromeCanvas;
+
+namespace views {
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// ImageView class.
+//
+// An ImageView can display an image from an SkBitmap. If a size is provided,
+// the ImageView will resize the provided image to fit if it is too big or will
+// center the image if smaller. Otherwise, the preferred size matches the
+// provided image size.
+//
+/////////////////////////////////////////////////////////////////////////////
+class ImageView : public View {
+ public:
+  enum Alignment {
+    LEADING = 0,
+    CENTER,
+    TRAILING
+  };
+
+  ImageView();
+  virtual ~ImageView();
+
+  // Set the bitmap that should be displayed.
+  void SetImage(const SkBitmap& bm);
+
+  // Set the bitmap that should be displayed from a pointer. Reset the image
+  // if the pointer is NULL. The pointer contents is copied in the receiver's
+  // bitmap.
+  void SetImage(SkBitmap* bm);
+
+  // Returns the bitmap currently displayed or NULL of none is currently set.
+  // The returned bitmap is still owned by the ImageView.
+  const SkBitmap& GetImage();
+
+  // Set the desired image size for the receiving ImageView.
+  void SetImageSize(const gfx::Size& image_size);
+
+  // Return the preferred size for the receiving view. Returns false if the
+  // preferred size is not defined, which means that the view uses the image
+  // size.
+  bool GetImageSize(gfx::Size* image_size);
+
+  // Reset the image size to the current image dimensions.
+  void ResetImageSize();
+
+  // Set / Get the horizontal alignment.
+  void SetHorizontalAlignment(Alignment ha);
+  Alignment GetHorizontalAlignment();
+
+  // Set / Get the vertical alignment.
+  void SetVerticalAlignment(Alignment va);
+  Alignment GetVerticalAlignment();
+
+  // Set / Get the tooltip text.
+  void SetTooltipText(const std::wstring& tooltip);
+  std::wstring GetTooltipText();
+
+  // Return whether the image should be centered inside the view.
+  // Overriden from View
+  virtual gfx::Size GetPreferredSize();
+  virtual void Paint(ChromeCanvas* canvas);
+
+  // Overriden from View.
+  virtual bool GetTooltipText(int x, int y, std::wstring* tooltip);
+
+ private:
+  // Compute the image origin given the desired size and the receiver alignment
+  // properties.
+  void ComputeImageOrigin(int image_width, int image_height, int *x, int *y);
+
+  // Whether the image size is set.
+  bool image_size_set_;
+
+  // The actual image size.
+  gfx::Size image_size_;
+
+  // The underlying bitmap.
+  SkBitmap image_;
+
+  // Horizontal alignment.
+  Alignment horiz_alignment_;
+
+  // Vertical alignment.
+  Alignment vert_alignment_;
+
+  // The current tooltip text.
+  std::wstring tooltip_text_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(ImageView);
+};
+
+}  // namespace views
+
+#endif  // VIEWS_CONTROLS_IMAGE_VIEW_H_