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 #include <queue> 11 12 #include "content/browser/renderer_host/render_widget_host_view_aura.h" 13 #include "ui/aura/window_observer.h" 14 #include "ui/base/touch/touch_editing_controller.h" 15 #include "ui/gfx/native_widget_types.h" 16 #include "ui/gfx/point.h" 17 #include "ui/gfx/rect.h" 18 19 namespace ui { 20 class Accelerator; 21 } 22 23 namespace content { 24 class TouchEditableImplAuraTest; 25 26 // Aura specific implementation of ui::TouchEditable for a RenderWidgetHostView. 27 class CONTENT_EXPORT TouchEditableImplAura 28 : public ui::TouchEditable, 29 public NON_EXPORTED_BASE(RenderWidgetHostViewAura::TouchEditingClient) { 30 public: 31 virtual ~TouchEditableImplAura(); 32 33 static TouchEditableImplAura* Create(); 34 35 void AttachToView(RenderWidgetHostViewAura* view); 36 37 // Updates the |touch_selection_controller_| or ends touch editing session 38 // depending on the current selection and cursor state. 39 void UpdateEditingController(); 40 41 void OverscrollStarted(); 42 void OverscrollCompleted(); 43 44 // Overridden from RenderWidgetHostViewAura::TouchEditingClient. 45 virtual void StartTouchEditing() OVERRIDE; 46 virtual void EndTouchEditing(bool quick) OVERRIDE; 47 virtual void OnSelectionOrCursorChanged(const gfx::Rect& anchor, 48 const gfx::Rect& focus) OVERRIDE; 49 virtual void OnTextInputTypeChanged(ui::TextInputType type) OVERRIDE; 50 virtual bool HandleInputEvent(const ui::Event* event) OVERRIDE; 51 virtual void GestureEventAck(int gesture_event_type) OVERRIDE; 52 virtual void DidStopFlinging() OVERRIDE; 53 virtual void OnViewDestroyed() OVERRIDE; 54 55 // Overridden from ui::TouchEditable: 56 virtual void SelectRect(const gfx::Point& start, 57 const gfx::Point& end) OVERRIDE; 58 virtual void MoveCaretTo(const gfx::Point& point) OVERRIDE; 59 virtual void GetSelectionEndPoints(gfx::Rect* p1, gfx::Rect* p2) OVERRIDE; 60 virtual gfx::Rect GetBounds() OVERRIDE; 61 virtual gfx::NativeView GetNativeView() const OVERRIDE; 62 virtual void ConvertPointToScreen(gfx::Point* point) OVERRIDE; 63 virtual void ConvertPointFromScreen(gfx::Point* point) OVERRIDE; 64 virtual bool DrawsHandles() OVERRIDE; 65 virtual void OpenContextMenu(const gfx::Point& anchor) OVERRIDE; 66 virtual bool IsCommandIdChecked(int command_id) const OVERRIDE; 67 virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE; 68 virtual bool GetAcceleratorForCommandId( 69 int command_id, 70 ui::Accelerator* accelerator) OVERRIDE; 71 virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE; 72 virtual void DestroyTouchSelection() OVERRIDE; 73 74 protected: 75 TouchEditableImplAura(); 76 77 private: 78 friend class TouchEditableImplAuraTest; 79 80 // A convenience function that is called after scroll/fling/overscroll ends to 81 // re-activate touch selection if necessary. 82 void ScrollEnded(); 83 84 void Cleanup(); 85 86 // Rectangles for the selection anchor and focus. 87 gfx::Rect selection_anchor_rect_; 88 gfx::Rect selection_focus_rect_; 89 90 // The current text input type. 91 ui::TextInputType text_input_type_; 92 93 RenderWidgetHostViewAura* rwhva_; 94 scoped_ptr<ui::TouchSelectionController> touch_selection_controller_; 95 96 // True if |rwhva_| is currently handling a gesture that could result in a 97 // change in selection (long press, double tap or triple tap). 98 bool selection_gesture_in_process_; 99 100 // Set to true if handles are hidden when user is scrolling. Used to determine 101 // whether to re-show handles after a scrolling session. 102 bool handles_hidden_due_to_scroll_; 103 104 // Keeps track of number of scrolls/flings/overscrolls in progress. 105 int scrolls_in_progress_; 106 107 // Used to track if a textfield was focused when the current tap gesture 108 // happened. 109 bool textfield_was_focused_on_tap_; 110 111 DISALLOW_COPY_AND_ASSIGN(TouchEditableImplAura); 112 }; 113 114 } // namespace content 115 116 #endif // CONTENT_BROWSER_WEB_CONTENTS_TOUCH_EDITABLE_IMPL_AURA_H_ 117