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.
5 #ifndef CONTENT_BROWSER_WEB_CONTENTS_TOUCH_EDITABLE_IMPL_AURA_H_
6 #define CONTENT_BROWSER_WEB_CONTENTS_TOUCH_EDITABLE_IMPL_AURA_H_
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"
23 class TouchEditableImplAuraTest;
25 // Aura specific implementation of ui::TouchEditable for a RenderWidgetHostView.
26 class CONTENT_EXPORT TouchEditableImplAura
27 : public ui::TouchEditable,
28 public NON_EXPORTED_BASE(RenderWidgetHostViewAura::TouchEditingClient) {
30 virtual ~TouchEditableImplAura();
32 static TouchEditableImplAura* Create();
34 void AttachToView(RenderWidgetHostViewAura* view);
36 // Updates the |touch_selection_controller_| or ends touch editing session
37 // depending on the current selection and cursor state.
38 void UpdateEditingController();
40 void OverscrollStarted();
41 void OverscrollCompleted();
43 // Overridden from RenderWidgetHostViewAura::TouchEditingClient.
44 virtual void StartTouchEditing() OVERRIDE;
45 virtual void EndTouchEditing() OVERRIDE;
46 virtual void OnSelectionOrCursorChanged(const gfx::Rect& anchor,
47 const gfx::Rect& focus) OVERRIDE;
48 virtual void OnTextInputTypeChanged(ui::TextInputType type) OVERRIDE;
49 virtual bool HandleInputEvent(const ui::Event* event) OVERRIDE;
50 virtual void GestureEventAck(int gesture_event_type) OVERRIDE;
51 virtual void OnViewDestroyed() OVERRIDE;
53 // Overridden from ui::TouchEditable:
54 virtual void SelectRect(const gfx::Point& start,
55 const gfx::Point& end) OVERRIDE;
56 virtual void MoveCaretTo(const gfx::Point& point) OVERRIDE;
57 virtual void GetSelectionEndPoints(gfx::Rect* p1, gfx::Rect* p2) OVERRIDE;
58 virtual gfx::Rect GetBounds() OVERRIDE;
59 virtual gfx::NativeView GetNativeView() OVERRIDE;
60 virtual void ConvertPointToScreen(gfx::Point* point) OVERRIDE;
61 virtual void ConvertPointFromScreen(gfx::Point* point) OVERRIDE;
62 virtual bool DrawsHandles() OVERRIDE;
63 virtual void OpenContextMenu(const gfx::Point& anchor) OVERRIDE;
64 virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
65 virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
66 virtual bool GetAcceleratorForCommandId(
68 ui::Accelerator* accelerator) OVERRIDE;
69 virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
72 TouchEditableImplAura();
75 friend class TouchEditableImplAuraTest;
79 // Rectangles for the selection anchor and focus.
80 gfx::Rect selection_anchor_rect_;
81 gfx::Rect selection_focus_rect_;
83 // The current text input type.
84 ui::TextInputType text_input_type_;
86 RenderWidgetHostViewAura* rwhva_;
87 scoped_ptr<ui::TouchSelectionController> touch_selection_controller_;
89 // True if |rwhva_| is currently handling a gesture that could result in a
90 // change in selection (long press, double tap or triple tap).
91 bool selection_gesture_in_process_;
93 // Set to true if handles are hidden when user is scrolling. Used to determine
94 // whether to re-show handles after a scrolling session.
95 bool handles_hidden_due_to_scroll_;
97 // Keeps track of when the user is scrolling.
98 bool scroll_in_progress_;
100 // Set to true when the page starts an overscroll.
101 bool overscroll_in_progress_;
103 // Used to track if the current tap gesture is on a focused textfield.
104 bool is_tap_on_focused_textfield_;
106 // When we receive ack for a ET_GESTURE_TAP, we do not know if the ack is for
107 // a tap or a double tap (we only get the event type in the ack). So we have
108 // this queue to keep track of the the tap count so that we can distinguish
109 // between double and single tap when we get the ack.
110 std::queue<int> tap_gesture_tap_count_queue_;
112 DISALLOW_COPY_AND_ASSIGN(TouchEditableImplAura);
115 } // namespace content
117 #endif // CONTENT_BROWSER_WEB_CONTENTS_TOUCH_EDITABLE_IMPL_AURA_H_