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// Copyright (c) 2010 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_
#pragma once
#import <Cocoa/Cocoa.h>
#include "base/scoped_ptr.h"
#include "base/string16.h"
#include "chrome/browser/autocomplete/autocomplete_edit_view.h"
#include "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.h"
class AutocompleteEditController;
class AutocompletePopupViewMac;
class Clipboard;
class Profile;
class ToolbarModel;
// Implements AutocompleteEditView on an AutocompleteTextField.
class AutocompleteEditViewMac : public AutocompleteEditView,
public AutocompleteTextFieldObserver {
public:
AutocompleteEditViewMac(AutocompleteEditController* controller,
ToolbarModel* toolbar_model,
Profile* profile,
CommandUpdater* command_updater,
AutocompleteTextField* field);
virtual ~AutocompleteEditViewMac();
// Implement the AutocompleteEditView interface.
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 bool IsEditingOrEmpty() const;
virtual int GetIcon() const;
virtual void SetUserText(const std::wstring& text);
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();
virtual bool IsSelectAll();
virtual bool DeleteAtEndPressed();
virtual void GetSelectionBounds(std::wstring::size_type* start,
std::wstring::size_type* end);
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 OnStartingIME();
virtual void OnRevertTemporaryText();
virtual void OnBeforePossibleChange();
virtual bool OnAfterPossibleChange();
virtual gfx::NativeView GetNativeView() const;
virtual CommandUpdater* GetCommandUpdater();
// Implement the AutocompleteTextFieldObserver interface.
virtual NSRange SelectionRangeForProposedRange(NSRange proposed_range);
virtual void OnControlKeyChanged(bool pressed);
virtual bool CanCopy();
virtual void CopyToPasteboard(NSPasteboard* pboard);
virtual void OnPaste();
virtual bool CanPasteAndGo();
virtual int GetPasteActionStringId();
virtual void OnPasteAndGo();
virtual void OnFrameChanged();
virtual void OnDidBeginEditing();
virtual void OnDidChange();
virtual void OnDidEndEditing();
virtual bool OnDoCommandBySelector(SEL cmd);
virtual void OnSetFocus(bool control_down);
virtual void OnKillFocus();
// Suggest text should be in the model, but for now, it's here.
void SetSuggestText(const string16& suggest_text);
bool CommitSuggestText();
// Helper for LocationBarViewMac. Optionally selects all in |field_|.
void FocusLocation(bool select_all);
// Helper to get appropriate contents from |clipboard|. Returns
// empty string if no appropriate data is found on |clipboard|.
static std::wstring GetClipboardText(Clipboard* clipboard);
// Helper to get the font to use in the field, exposed for the
// popup.
static NSFont* GetFieldFont();
// If |resource_id| has a PDF image which can be used, return it.
// Otherwise return the PNG image from the resource bundle.
static NSImage* ImageForResource(int resource_id);
private:
// 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();
// 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). Resets any suggest text that may be present.
void SetText(const std::wstring& display_text);
// Internal implementation of SetText. Does not reset the suggest text before
// setting the display text. Most callers should use |SetText()| instead.
void SetTextInternal(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);
// Returns the non-suggest portion of |field_|'s string value.
NSString* GetNonSuggestTextSubstring() const;
// 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();
// Calculates text attributes according to |display_text| and applies them
// to the given |as| object.
void ApplyTextAttributes(const std::wstring& display_text,
NSMutableAttributedString* as);
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
// 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_;
// Length of the suggest text. The suggest text always appears at the end of
// the field.
size_t suggest_text_length_;
// Was delete pressed?
bool delete_was_pressed_;
// Was the delete key pressed with an empty selection at the end of the edit?
bool delete_at_end_pressed_;
// The maximum/standard line height for the displayed text.
CGFloat line_height_;
DISALLOW_COPY_AND_ASSIGN(AutocompleteEditViewMac);
};
#endif // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_EDIT_VIEW_MAC_H_
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