Add chrome to the repository.

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

1 files changed, 115 insertions, 0 deletions

diff --git a/chrome/views/link.h b/chrome/views/link.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_VIEWS_LINK_H__
+#define CHROME_VIEWS_LINK_H__
+
+#include "chrome/views/label.h"
+
+namespace ChromeViews {
+
+class Link;
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// LinkController defines the method that should be implemented to
+// receive a notification when a link is clicked
+//
+////////////////////////////////////////////////////////////////////////////////
+class LinkController {
+ public:
+  virtual void LinkActivated(Link* source, int event_flags) = 0;
+};
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// Link class
+//
+// A Link is a label subclass that looks like an HTML link. It has a
+// controller which is notified when a click occurs.
+//
+////////////////////////////////////////////////////////////////////////////////
+class Link : public Label {
+ public:
+  static const char Link::kViewClassName[];
+
+  Link();
+  Link(const std::wstring& title);
+  virtual ~Link();
+
+  void SetController(LinkController* controller);
+  const LinkController* GetController();
+
+  // Overridden from View:
+  virtual bool OnMousePressed(const MouseEvent& event);
+  virtual bool OnMouseDragged(const MouseEvent& event);
+  virtual void OnMouseReleased(const MouseEvent& event,
+                               bool canceled);
+  virtual bool OnKeyPressed(const KeyEvent& e);
+  virtual bool OnKeyReleased(const KeyEvent& e);
+
+  virtual void SetFont(const ChromeFont& font);
+
+  // Set whether the link is enabled.
+  virtual void SetEnabled(bool f);
+
+  virtual HCURSOR GetCursorForPoint(Event::EventType event_type, int x, int y);
+
+  virtual std::string GetClassName() const;
+
+  void SetHighlightedColor(const SkColor& color);
+  void SetDisabledColor(const SkColor& color);
+  void SetNormalColor(const SkColor& color);
+
+ private:
+
+  // A highlighted link is clicked.
+  void SetHighlighted(bool f);
+
+  // Make sure the label style matched the current state.
+  void ValidateStyle();
+
+  void Init();
+
+  LinkController* controller_;
+
+  // Whether the link is currently highlighted.
+  bool highlighted_;
+
+  // The color when the link is highlighted.
+  SkColor highlighted_color_;
+
+  // The color when the link is disabled.
+  SkColor disabled_color_;
+
+  // The color when the link is neither highlighted nor disabled.
+  SkColor normal_color_;
+};
+}
+#endif  // CHROME_VIEWS_LINK_H__