Add chrome to the repository.

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

1 files changed, 92 insertions, 0 deletions

diff --git a/chrome/browser/views/star_toggle.h b/chrome/browser/views/star_toggle.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_VIEWS_STAR_TOGGLE_H__
+#define CHROME_BROWSER_VIEWS_STAR_TOGGLE_H__
+
+#include "chrome/views/view.h"
+#include "chrome/views/event.h"
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// A view subclass to implement the star button. The star button notifies its
+// Delegate when the state changes.
+//
+////////////////////////////////////////////////////////////////////////////////
+class StarToggle : public ChromeViews::View {
+ public:
+  class Delegate {
+   public:
+    // Called when the star is toggled.
+    virtual void StarStateChanged(bool state) = 0;
+  };
+
+  explicit StarToggle(Delegate* delegate);
+  virtual ~StarToggle();
+
+  // Set whether the star is checked.
+  void SetState(bool s);
+  bool GetState() const;
+
+  // If true (the default) the state is immediately changed on a mouse release.
+  // If false, on mouse release the delegate is notified, but the state is not
+  // changed.
+  void set_change_state_immediately(bool value) {
+    change_state_immediately_ = value;
+  }
+
+  // Check/uncheck the star.
+  void SwitchState();
+
+  // Overriden from view.
+  void Paint(ChromeCanvas* canvas);
+  void GetPreferredSize(CSize* out);
+  virtual bool OnMousePressed(const ChromeViews::MouseEvent& e);
+  virtual bool OnMouseDragged(const ChromeViews::MouseEvent& event);
+  virtual void OnMouseReleased(const ChromeViews::MouseEvent& e, bool canceled);
+  bool OnKeyPressed(const ChromeViews::KeyEvent& e);
+
+ private:
+  // The state.
+  bool state_;
+
+  // Our bitmap.
+  SkBitmap* state_off_;
+  SkBitmap* state_on_;
+
+  // Parent to be notified.
+  Delegate* delegate_;
+
+  // See note in setter.
+  bool change_state_immediately_;
+
+  DISALLOW_EVIL_CONSTRUCTORS(StarToggle);
+};
+
+#endif  // CHROME_BROWSER_VIEWS_STAR_TOGGLE_H__