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// Copyright (c) 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 CONTENT_BROWSER_WEB_CONTENTS_TOUCH_EDITABLE_IMPL_AURA_H_
#define CONTENT_BROWSER_WEB_CONTENTS_TOUCH_EDITABLE_IMPL_AURA_H_
#include <deque>
#include <map>
#include "content/browser/renderer_host/render_widget_host_view_aura.h"
#include "ui/aura/window_observer.h"
#include "ui/base/touch/touch_editing_controller.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/point.h"
#include "ui/gfx/rect.h"
namespace ui {
class Accelerator;
}
namespace content {
class TouchEditableImplAuraTest;
// Aura specific implementation of ui::TouchEditable for a RenderWidgetHostView.
class CONTENT_EXPORT TouchEditableImplAura
: public ui::TouchEditable,
public NON_EXPORTED_BASE(RenderWidgetHostViewAura::TouchEditingClient) {
public:
virtual ~TouchEditableImplAura();
static TouchEditableImplAura* Create();
void AttachToView(RenderWidgetHostViewAura* view);
// Updates the |touch_selection_controller_| or ends touch editing session
// depending on the current selection and cursor state.
void UpdateEditingController();
void OverscrollStarted();
void OverscrollCompleted();
// Overridden from RenderWidgetHostViewAura::TouchEditingClient.
virtual void StartTouchEditing() OVERRIDE;
virtual void EndTouchEditing() OVERRIDE;
virtual void OnSelectionOrCursorChanged(const gfx::Rect& anchor,
const gfx::Rect& focus) OVERRIDE;
virtual void OnTextInputTypeChanged(ui::TextInputType type) OVERRIDE;
virtual bool HandleInputEvent(const ui::Event* event) OVERRIDE;
virtual void GestureEventAck(int gesture_event_type) OVERRIDE;
virtual void OnViewDestroyed() OVERRIDE;
// Overridden from ui::TouchEditable:
virtual void SelectRect(const gfx::Point& start,
const gfx::Point& end) OVERRIDE;
virtual void MoveCaretTo(const gfx::Point& point) OVERRIDE;
virtual void GetSelectionEndPoints(gfx::Rect* p1, gfx::Rect* p2) OVERRIDE;
virtual gfx::Rect GetBounds() OVERRIDE;
virtual gfx::NativeView GetNativeView() OVERRIDE;
virtual void ConvertPointToScreen(gfx::Point* point) OVERRIDE;
virtual void ConvertPointFromScreen(gfx::Point* point) OVERRIDE;
virtual bool DrawsHandles() OVERRIDE;
virtual void OpenContextMenu(const gfx::Point& anchor) OVERRIDE;
virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
virtual bool GetAcceleratorForCommandId(
int command_id,
ui::Accelerator* accelerator) OVERRIDE;
virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
protected:
TouchEditableImplAura();
private:
friend class TouchEditableImplAuraTest;
void Cleanup();
// Rectangles for the selection anchor and focus.
gfx::Rect selection_anchor_rect_;
gfx::Rect selection_focus_rect_;
// The current text input type.
ui::TextInputType text_input_type_;
RenderWidgetHostViewAura* rwhva_;
scoped_ptr<ui::TouchSelectionController> touch_selection_controller_;
// True if |rwhva_| is currently handling a gesture that could result in a
// change in selection (long press, double tap or triple tap).
bool selection_gesture_in_process_;
// Set to true if handles are hidden when user is scrolling. Used to determine
// whether to re-show handles after a scrolling session.
bool handles_hidden_due_to_scroll_;
// Keeps track of when the user is scrolling.
bool scroll_in_progress_;
// Set to true when the page starts an overscroll.
bool overscroll_in_progress_;
// Used to track if the current tap gesture is on a focused textfield.
bool is_tap_on_focused_textfield_;
// When we receive ack for a ET_GESTURE_TAP, we do not know if the ack is for
// a tap or a double tap (we only get the event type in the ack). So we have
// this queue to keep track of the the tap count so that we can distinguish
// between double and single tap when we get the ack.
std::queue<int> tap_gesture_tap_count_queue_;
DISALLOW_COPY_AND_ASSIGN(TouchEditableImplAura);
};
} // namespace content
#endif // CONTENT_BROWSER_WEB_CONTENTS_TOUCH_EDITABLE_IMPL_AURA_H_
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