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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 <queue>
#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/geometry/point.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/native_widget_types.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:
~TouchEditableImplAura() override;
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.
void StartTouchEditing() override;
void EndTouchEditing(bool quick) override;
void OnSelectionOrCursorChanged(const ui::SelectionBound& anchor,
const ui::SelectionBound& focus) override;
void OnTextInputTypeChanged(ui::TextInputType type) override;
bool HandleInputEvent(const ui::Event* event) override;
void GestureEventAck(int gesture_event_type) override;
void DidStopFlinging() override;
void OnViewDestroyed() override;
// Overridden from ui::TouchEditable:
void SelectRect(const gfx::Point& start, const gfx::Point& end) override;
void MoveCaretTo(const gfx::Point& point) override;
void GetSelectionEndPoints(ui::SelectionBound* anchor,
ui::SelectionBound* focus) override;
gfx::Rect GetBounds() override;
gfx::NativeView GetNativeView() const override;
void ConvertPointToScreen(gfx::Point* point) override;
void ConvertPointFromScreen(gfx::Point* point) override;
bool DrawsHandles() override;
void OpenContextMenu(const gfx::Point& anchor) override;
bool IsCommandIdChecked(int command_id) const override;
bool IsCommandIdEnabled(int command_id) const override;
bool GetAcceleratorForCommandId(int command_id,
ui::Accelerator* accelerator) override;
void ExecuteCommand(int command_id, int event_flags) override;
void DestroyTouchSelection() override;
protected:
TouchEditableImplAura();
private:
friend class TouchEditableImplAuraTest;
// A convenience function that is called after scroll/fling/overscroll ends to
// re-activate touch selection if necessary.
void ScrollEnded();
void Cleanup();
// Bounds for the selection.
ui::SelectionBound selection_anchor_;
ui::SelectionBound selection_focus_;
// The current text input type.
ui::TextInputType text_input_type_;
RenderWidgetHostViewAura* rwhva_;
scoped_ptr<ui::TouchEditingControllerDeprecated> 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 number of scrolls/flings/overscrolls in progress.
int scrolls_in_progress_;
// Used to track if a textfield was focused when the current tap gesture
// happened.
bool textfield_was_focused_on_tap_;
DISALLOW_COPY_AND_ASSIGN(TouchEditableImplAura);
};
} // namespace content
#endif // CONTENT_BROWSER_WEB_CONTENTS_TOUCH_EDITABLE_IMPL_AURA_H_
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