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Diffstat (limited to 'ui/wm/public/easy_resize_window_targeter.h')
-rw-r--r-- | ui/wm/public/easy_resize_window_targeter.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/ui/wm/public/easy_resize_window_targeter.h b/ui/wm/public/easy_resize_window_targeter.h new file mode 100644 index 0000000..f873509 --- /dev/null +++ b/ui/wm/public/easy_resize_window_targeter.h @@ -0,0 +1,52 @@ +// Copyright 2014 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 UI_WM_PUBLIC_EASY_RESIZE_WINDOW_TARGETER_H_ +#define UI_WM_PUBLIC_EASY_RESIZE_WINDOW_TARGETER_H_ + +#include "ui/aura/window_targeter.h" +#include "ui/gfx/geometry/insets.h" + +namespace wm { + +// An EventTargeter for a container window that uses a slightly larger +// hit-target region for easier resize. +class EasyResizeWindowTargeter : public aura::WindowTargeter { + public: + // |container| window is the owner of this targeter. + EasyResizeWindowTargeter(aura::Window* container, + const gfx::Insets& mouse_extend, + const gfx::Insets& touch_extend); + + virtual ~EasyResizeWindowTargeter(); + + protected: + void set_mouse_extend(const gfx::Insets& mouse_extend) { + mouse_extend_ = mouse_extend; + } + + void set_touch_extend(const gfx::Insets& touch_extend) { + touch_extend_ = touch_extend; + } + + // aura::WindowTargeter: + virtual bool EventLocationInsideBounds( + aura::Window* window, + const ui::LocatedEvent& event) const OVERRIDE; + + private: + // Returns true if the hit testing (EventLocationInsideBounds()) should use + // the extended bounds. + bool ShouldUseExtendedBounds(const aura::Window* window) const; + + aura::Window* container_; + gfx::Insets mouse_extend_; + gfx::Insets touch_extend_; + + DISALLOW_COPY_AND_ASSIGN(EasyResizeWindowTargeter); +}; + +} // namespace wm + +#endif // UI_WM_PUBLIC_EASY_RESIZE_WINDOW_TARGETER_H_ |