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// Copyright (c) 2009 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 CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_MAC_H_
#define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_MAC_H_
#import <Cocoa/Cocoa.h>
#include "base/basictypes.h"
#include "base/scoped_nsobject.h"
#include "base/scoped_ptr.h"
#include "chrome/browser/autocomplete/autocomplete.h"
#include "chrome/browser/autocomplete/autocomplete_edit_view.h"
#include "chrome/browser/toolbar_model.h"
#include "chrome/common/page_transition_types.h"
#include "webkit/glue/window_open_disposition.h"
class AutocompleteEditController;
@class AutocompleteEditHelper;
class AutocompleteEditModel;
class AutocompletePopupPositioner;
class AutocompletePopupViewMac;
@class AutocompleteTextField;
class Clipboard;
class CommandUpdater;
class Profile;
class TabContents;
class ToolbarModel;
// Implements AutocompleteEditView on an AutocompleteTextField.
class AutocompleteEditViewMac : public AutocompleteEditView {
public:
AutocompleteEditViewMac(AutocompleteEditController* controller,
AutocompletePopupPositioner* positioner,
ToolbarModel* toolbar_model,
Profile* profile,
CommandUpdater* command_updater,
AutocompleteTextField* field);
virtual ~AutocompleteEditViewMac();
// Implement the AutocompleteEditView interface.
// TODO(shess): See if this couldn't be simplified to:
// virtual AEM* model() const { ... }
virtual AutocompleteEditModel* model() { return model_.get(); }
virtual const AutocompleteEditModel* model() const { return model_.get(); }
virtual void SaveStateToTab(TabContents* tab);
virtual void Update(const TabContents* tab_for_state_restoring);
virtual void OpenURL(const GURL& url,
WindowOpenDisposition disposition,
PageTransition::Type transition,
const GURL& alternate_nav_url,
size_t selected_line,
const std::wstring& keyword);
virtual std::wstring GetText() const;
virtual void SetUserText(const std::wstring& text) {
SetUserText(text, text, true);
}
virtual void SetUserText(const std::wstring& text,
const std::wstring& display_text,
bool update_popup);
virtual void SetWindowTextAndCaretPos(const std::wstring& text,
size_t caret_pos);
virtual void SetForcedQuery() { NOTIMPLEMENTED(); }
virtual bool IsSelectAll() {
NOTIMPLEMENTED();
return false;
}
virtual void SelectAll(bool reversed);
virtual void RevertAll();
virtual void UpdatePopup();
virtual void ClosePopup();
virtual void SetFocus();
virtual void OnTemporaryTextMaybeChanged(const std::wstring& display_text,
bool save_original_selection);
virtual bool OnInlineAutocompleteTextMaybeChanged(
const std::wstring& display_text, size_t user_text_length);
virtual void OnRevertTemporaryText();
virtual void OnBeforePossibleChange();
virtual bool OnAfterPossibleChange();
virtual gfx::NativeView GetNativeView() const;
// Helper functions for use from AutocompleteEditHelper Objective-C
// class.
// Returns true if |popup_view_| is open.
bool IsPopupOpen() const;
// Trivial wrappers forwarding to |model_| methods.
void OnControlKeyChanged(bool pressed);
void OnEscapeKeyPressed();
void OnUpOrDownKeyPressed(bool up, bool by_page);
// Called when editing begins in the field, and before the results
// of any editing are communicated to |model_|.
void OnWillBeginEditing();
// Called when editing ends in the field.
void OnDidEndEditing();
// Called when the window |field_| is in loses key to clean up
// visual state (such as closing the popup).
void OnDidResignKey();
// Called when the user attempts to paste into |field_|.
void OnPaste();
// Checks if a keyword search is possible and forwards to |model_|
// if so. Returns true if the tab should be eaten.
bool OnTabPressed();
// Called when the user hits backspace in |field_|. Checks whether
// keyword search is being terminated. Returns true if the
// backspace should be intercepted (not forwarded on to the standard
// machinery).
bool OnBackspacePressed();
// Forward to same method in |popup_view_| model. Used when
// Shift-Delete is pressed, to delete items from the popup.
void TryDeletingCurrentItem();
void AcceptInput(WindowOpenDisposition disposition, bool for_drop);
// Helper for LocationBarViewMac. Selects all in |field_|.
void FocusLocation();
// Helper to get appropriate contents from |clipboard|. Returns
// empty string if no appropriate data is found on |clipboard|.
static std::wstring GetClipboardText(Clipboard* clipboard);
private:
// Returns the field's currently selected range. Only valid if the
// field has focus.
NSRange GetSelectedRange() const;
// Returns true if |field_| is first-responder in the window. Used
// in various DCHECKS to make sure code is running in appropriate
// situations.
bool IsFirstResponder() const;
// If |model_| believes it has focus, grab focus if needed and set
// the selection to |range|. Otherwise does nothing.
void SetSelectedRange(const NSRange range);
// Update the field with |display_text| and highlight the host and
// scheme (if it's an URL or URL-fragment).
void SetText(const std::wstring& display_text);
// Update the field with |display_text| and set the selection.
void SetTextAndSelectedRange(const std::wstring& display_text,
const NSRange range);
// Pass the current content of |field_| to SetText(), maintaining
// any selection. Named to be consistent with GTK and Windows,
// though here we cannot really do the in-place operation they do.
void EmphasizeURLComponents();
scoped_ptr<AutocompleteEditModel> model_;
scoped_ptr<AutocompletePopupViewMac> popup_view_;
AutocompleteEditController* controller_;
ToolbarModel* toolbar_model_;
// The object that handles additional command functionality exposed on the
// edit, such as invoking the keyword editor.
CommandUpdater* command_updater_;
AutocompleteTextField* field_; // owned by tab controller
// Objective-C object to bridge field_ delegate calls to C++.
scoped_nsobject<AutocompleteEditHelper> edit_helper_;
// Selection at the point where the user started using the
// arrows to move around in the popup.
NSRange saved_temporary_selection_;
// Tracking state before and after a possible change for reporting
// to model_.
NSRange selection_before_change_;
std::wstring text_before_change_;
DISALLOW_COPY_AND_ASSIGN(AutocompleteEditViewMac);
};
#endif // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_MAC_H_
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