touch_editable_impl_aura.h revision a3f7b4e666c476898878fa745f637129375cd889
1// Copyright (c) 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef CONTENT_BROWSER_WEB_CONTENTS_TOUCH_EDITABLE_IMPL_AURA_H_ 6#define CONTENT_BROWSER_WEB_CONTENTS_TOUCH_EDITABLE_IMPL_AURA_H_ 7 8#include <deque> 9#include <map> 10 11#include "content/browser/renderer_host/render_widget_host_view_aura.h" 12#include "ui/aura/window_observer.h" 13#include "ui/base/touch/touch_editing_controller.h" 14#include "ui/gfx/native_widget_types.h" 15#include "ui/gfx/point.h" 16#include "ui/gfx/rect.h" 17 18namespace ui { 19class Accelerator; 20} 21 22namespace content { 23class TouchEditableImplAuraTest; 24 25// Aura specific implementation of ui::TouchEditable for a RenderWidgetHostView. 26class CONTENT_EXPORT TouchEditableImplAura 27 : public ui::TouchEditable, 28 public NON_EXPORTED_BASE(RenderWidgetHostViewAura::TouchEditingClient) { 29 public: 30 virtual ~TouchEditableImplAura(); 31 32 static TouchEditableImplAura* Create(); 33 34 void AttachToView(RenderWidgetHostViewAura* view); 35 36 // Updates the |touch_selection_controller_| or ends touch editing session 37 // depending on the current selection and cursor state. 38 void UpdateEditingController(); 39 40 // Overridden from RenderWidgetHostViewAura::TouchEditingClient. 41 virtual void StartTouchEditing() OVERRIDE; 42 virtual void EndTouchEditing() OVERRIDE; 43 virtual void OnSelectionOrCursorChanged(const gfx::Rect& anchor, 44 const gfx::Rect& focus) OVERRIDE; 45 virtual void OnTextInputTypeChanged(ui::TextInputType type) OVERRIDE; 46 virtual bool HandleInputEvent(const ui::Event* event) OVERRIDE; 47 virtual void GestureEventAck(int gesture_event_type) OVERRIDE; 48 virtual void OnViewDestroyed() OVERRIDE; 49 50 // Overridden from ui::TouchEditable: 51 virtual void SelectRect(const gfx::Point& start, 52 const gfx::Point& end) OVERRIDE; 53 virtual void MoveCaretTo(const gfx::Point& point) OVERRIDE; 54 virtual void GetSelectionEndPoints(gfx::Rect* p1, gfx::Rect* p2) OVERRIDE; 55 virtual gfx::Rect GetBounds() OVERRIDE; 56 virtual gfx::NativeView GetNativeView() OVERRIDE; 57 virtual void ConvertPointToScreen(gfx::Point* point) OVERRIDE; 58 virtual void ConvertPointFromScreen(gfx::Point* point) OVERRIDE; 59 virtual bool DrawsHandles() OVERRIDE; 60 virtual void OpenContextMenu(const gfx::Point& anchor) OVERRIDE; 61 virtual bool IsCommandIdChecked(int command_id) const OVERRIDE; 62 virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE; 63 virtual bool GetAcceleratorForCommandId( 64 int command_id, 65 ui::Accelerator* accelerator) OVERRIDE; 66 virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE; 67 68 protected: 69 TouchEditableImplAura(); 70 71 private: 72 friend class TouchEditableImplAuraTest; 73 74 void Cleanup(); 75 76 // Rectangles for the selection anchor and focus. 77 gfx::Rect selection_anchor_rect_; 78 gfx::Rect selection_focus_rect_; 79 80 // The current text input type. 81 ui::TextInputType text_input_type_; 82 83 RenderWidgetHostViewAura* rwhva_; 84 scoped_ptr<ui::TouchSelectionController> touch_selection_controller_; 85 86 // True if |rwhva_| is currently handling a gesture that could result in a 87 // change in selection (long press, double tap or triple tap). 88 bool selection_gesture_in_process_; 89 90 bool handles_hidden_due_to_scroll_; 91 92 // Used to track if the current tap gesture is on a focused textfield. 93 bool is_tap_on_focused_textfield_; 94 95 // When we receive ack for a ET_GESTURE_TAP, we do not know if the ack is for 96 // a tap or a double tap (we only get the event type in the ack). So we have 97 // this queue to keep track of the the tap count so that we can distinguish 98 // between double and single tap when we get the ack. 99 std::queue<int> tap_gesture_tap_count_queue_; 100 101 DISALLOW_COPY_AND_ASSIGN(TouchEditableImplAura); 102}; 103 104} // namespace content 105 106#endif // CONTENT_BROWSER_WEB_CONTENTS_TOUCH_EDITABLE_IMPL_AURA_H_ 107