| // Copyright 2013 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 ASH_TOUCH_TOUCH_HUD_DEBUG_H_ |
| #define ASH_TOUCH_TOUCH_HUD_DEBUG_H_ |
| |
| #include <map> |
| |
| #include "ash/ash_export.h" |
| #include "ash/touch/touch_observer_hud.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/values.h" |
| |
| namespace views { |
| class Label; |
| class View; |
| } |
| |
| namespace ash { |
| class TouchHudCanvas; |
| class TouchLog; |
| |
| // A heads-up display to show touch traces on the screen and log touch events. |
| // As a derivative of TouchObserverHUD, objects of this class manage their own |
| // lifetime. |
| class ASH_EXPORT TouchHudDebug : public TouchObserverHUD { |
| public: |
| enum Mode { |
| FULLSCREEN, |
| REDUCED_SCALE, |
| INVISIBLE, |
| }; |
| |
| explicit TouchHudDebug(aura::Window* initial_root); |
| |
| // Returns the log of touch events for all displays as a dictionary mapping id |
| // of each display to its touch log. |
| static scoped_ptr<base::DictionaryValue> GetAllAsDictionary(); |
| |
| // Changes the display mode (e.g. scale, visibility). Calling this repeatedly |
| // cycles between a fixed number of display modes. |
| void ChangeToNextMode(); |
| |
| // Returns log of touch events as a list value. Each item in the list is a |
| // trace of one touch point. |
| scoped_ptr<base::ListValue> GetLogAsList() const; |
| |
| Mode mode() const { return mode_; } |
| |
| // Overriden from TouchObserverHUD. |
| virtual void Clear() OVERRIDE; |
| |
| private: |
| virtual ~TouchHudDebug(); |
| |
| void SetMode(Mode mode); |
| |
| void UpdateTouchPointLabel(int index); |
| |
| // Overriden from TouchObserverHUD. |
| virtual void OnTouchEvent(ui::TouchEvent* event) OVERRIDE; |
| virtual void OnDisplayMetricsChanged(const gfx::Display& display, |
| uint32_t metrics) OVERRIDE; |
| virtual void SetHudForRootWindowController( |
| RootWindowController* controller) OVERRIDE; |
| virtual void UnsetHudForRootWindowController( |
| RootWindowController* controller) OVERRIDE; |
| |
| static const int kMaxTouchPoints = 32; |
| |
| Mode mode_; |
| |
| scoped_ptr<TouchLog> touch_log_; |
| |
| TouchHudCanvas* canvas_; |
| views::View* label_container_; |
| views::Label* touch_labels_[kMaxTouchPoints]; |
| |
| DISALLOW_COPY_AND_ASSIGN(TouchHudDebug); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_TOUCH_TOUCH_HUD_DEBUG_H_ |