Add chrome to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 83 insertions, 0 deletions

diff --git a/chrome/browser/autocomplete/edit_drop_target.h b/chrome/browser/autocomplete/edit_drop_target.h
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef CHROME_BROWSER_AUTOCOMPLETE_EDIT_DROP_TARGET_H__
+#define CHROME_BROWSER_AUTOCOMPLETE_EDIT_DROP_TARGET_H__
+
+#include "base/base_drop_target.h"
+
+class AutocompleteEdit;
+
+// EditDropTarget is the IDropTarget implementation installed on
+// AutocompleteEdit. EditDropTarget prefers URL over plain text. A drop of a URL
+// replaces all the text of the edit and navigates immediately to the URL. A
+// drop of plain text from the same edit either copies or moves the selected
+// text, and a drop of plain text from a source other than the edit does a paste
+// and go.
+class EditDropTarget : public BaseDropTarget {
+ public:
+  explicit EditDropTarget(AutocompleteEdit* edit);
+
+ protected:
+  virtual DWORD OnDragEnter(IDataObject* data_object,
+                            DWORD key_state,
+                            POINT cursor_position,
+                            DWORD effect);
+  virtual DWORD OnDragOver(IDataObject* data_object,
+                           DWORD key_state,
+                           POINT cursor_position,
+                           DWORD effect);
+  virtual void OnDragLeave(IDataObject* data_object);
+  virtual DWORD OnDrop(IDataObject* data_object,
+                       DWORD key_state,
+                       POINT cursor_position,
+                       DWORD effect);
+
+ private:
+  // If dragging a string, the drop highlight position of the edit is reset
+  // based on the mouse position.
+  void UpdateDropHighlightPosition(const POINT& cursor_screen_position);
+
+  // Resets the visual drop indicates we install on the edit.
+  void ResetDropHighlights();
+
+  // The edit we're the drop target for.
+  AutocompleteEdit* edit_;
+
+  // If true, the drag session contains a URL.
+  bool drag_has_url_;
+
+  // If true, the drag session contains a string. If drag_has_url_ is true,
+  // this is false regardless of whether the clipboard has a string.
+  bool drag_has_string_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(EditDropTarget);
+};
+
+#endif  // CHROME_BROWSER_AUTOCOMPLETE_EDIT_DROP_TARGET_H__