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// Copyright (c) 2012 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_UI_VIEWS_OMNIBOX_OMNIBOX_VIEW_VIEWS_H_
#define CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_VIEW_VIEWS_H_
#pragma once
#include <string>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/autocomplete/autocomplete_match.h"
#include "chrome/browser/ui/omnibox/omnibox_view.h"
#include "chrome/browser/ui/toolbar/toolbar_model.h"
#include "ui/base/range/range.h"
#include "ui/views/controls/textfield/textfield_controller.h"
#include "ui/views/view.h"
#include "webkit/glue/window_open_disposition.h"
#if defined(OS_CHROMEOS)
#include "chrome/browser/chromeos/input_method/input_method_manager.h"
#endif
class AutocompleteEditController;
class AutocompleteEditModel;
class AutocompletePopupView;
class Profile;
namespace ui {
class OSExchangeData;
} // namespace ui
// Views-implementation of OmniboxView. This is based on gtk implementation.
// The following features are not yet supported.
//
// LTR support.
// Drag and drop behavior.
// Adjust paste behavior (should not autocomplete).
// Custom context menu for omnibox.
// Instant.
class OmniboxViewViews
: public views::View,
public OmniboxView,
#if defined(OS_CHROMEOS)
public
chromeos::input_method::InputMethodManager::CandidateWindowObserver,
#endif
public views::TextfieldController {
public:
// The internal view class name.
static const char kViewClassName[];
OmniboxViewViews(AutocompleteEditController* controller,
ToolbarModel* toolbar_model,
Profile* profile,
CommandUpdater* command_updater,
bool popup_window_mode,
LocationBarView* location_bar);
virtual ~OmniboxViewViews();
// Initialize, create the underlying views, etc;
void Init();
// Sets the colors of the text view according to the theme.
void SetBaseColor();
// Called after key even is handled either by HandleKeyEvent or by Textfield.
bool HandleAfterKeyEvent(const views::KeyEvent& event, bool handled);
// Called when KeyRelease event is generated on textfield.
bool HandleKeyReleaseEvent(const views::KeyEvent& event);
// Called when mouse events are generated on the textfield.
// The views::Textfield implementations will be executed first.
void HandleMousePressEvent(const views::MouseEvent& event);
void HandleMouseDragEvent(const views::MouseEvent& event);
void HandleMouseReleaseEvent(const views::MouseEvent& event);
// Called when Focus is set/unset on textfield.
void HandleFocusIn();
void HandleFocusOut();
// Sets whether the location entry can accept focus.
void SetLocationEntryFocusable(bool focusable);
// Returns true if the location entry is focusable and visible in
// the root view.
bool IsLocationEntryFocusableInRootView() const;
// Implements views::View
virtual void Layout() OVERRIDE;
virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
virtual std::string GetClassName() const OVERRIDE;
virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
// OmniboxView:
virtual AutocompleteEditModel* model() OVERRIDE;
virtual const AutocompleteEditModel* model() const OVERRIDE;
virtual void SaveStateToTab(content::WebContents* tab) OVERRIDE;
virtual void Update(
const content::WebContents* tab_for_state_restoring) OVERRIDE;
virtual void OpenMatch(const AutocompleteMatch& match,
WindowOpenDisposition disposition,
const GURL& alternate_nav_url,
size_t selected_line) OVERRIDE;
virtual string16 GetText() const OVERRIDE;
virtual bool IsEditingOrEmpty() const OVERRIDE;
virtual int GetIcon() const OVERRIDE;
virtual void SetUserText(const string16& text) OVERRIDE;
virtual void SetUserText(const string16& text,
const string16& display_text,
bool update_popup) OVERRIDE;
virtual void SetWindowTextAndCaretPos(const string16& text,
size_t caret_pos,
bool update_popup,
bool notify_text_changed) OVERRIDE;
virtual void SetForcedQuery() OVERRIDE;
virtual bool IsSelectAll() const OVERRIDE;
virtual bool DeleteAtEndPressed() OVERRIDE;
virtual void GetSelectionBounds(string16::size_type* start,
string16::size_type* end) const OVERRIDE;
virtual void SelectAll(bool reversed) OVERRIDE;
virtual void RevertAll() OVERRIDE;
virtual void UpdatePopup() OVERRIDE;
virtual void ClosePopup() OVERRIDE;
virtual void SetFocus() OVERRIDE;
virtual void OnTemporaryTextMaybeChanged(
const string16& display_text,
bool save_original_selection) OVERRIDE;
virtual bool OnInlineAutocompleteTextMaybeChanged(
const string16& display_text, size_t user_text_length) OVERRIDE;
virtual void OnRevertTemporaryText() OVERRIDE;
virtual void OnBeforePossibleChange() OVERRIDE;
virtual bool OnAfterPossibleChange() OVERRIDE;
virtual gfx::NativeView GetNativeView() const OVERRIDE;
virtual gfx::NativeView GetRelativeWindowForPopup() const OVERRIDE;
virtual CommandUpdater* GetCommandUpdater() OVERRIDE;
virtual void SetInstantSuggestion(const string16& input,
bool animate_to_complete) OVERRIDE;
virtual string16 GetInstantSuggestion() const OVERRIDE;
virtual int TextWidth() const OVERRIDE;
virtual bool IsImeComposing() const OVERRIDE;
virtual int GetMaxEditWidth(int entry_width) const OVERRIDE;
virtual views::View* AddToView(views::View* parent) OVERRIDE;
virtual int OnPerformDrop(const views::DropTargetEvent& event) OVERRIDE;
virtual gfx::Font GetFont() OVERRIDE;
virtual int WidthOfTextAfterCursor() OVERRIDE;
// views::TextfieldController:
virtual void ContentsChanged(views::Textfield* sender,
const string16& new_contents) OVERRIDE;
virtual bool HandleKeyEvent(views::Textfield* sender,
const views::KeyEvent& key_event) OVERRIDE;
virtual void OnBeforeUserAction(views::Textfield* sender) OVERRIDE;
virtual void OnAfterUserAction(views::Textfield* sender) OVERRIDE;
virtual void OnAfterCutOrCopy() OVERRIDE;
virtual void OnWriteDragData(ui::OSExchangeData* data) OVERRIDE;
virtual void UpdateContextMenu(ui::SimpleMenuModel* menu_contents) OVERRIDE;
virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
virtual void ExecuteCommand(int command_id) OVERRIDE;
#if defined(OS_CHROMEOS)
// chromeos::input_method::InputMethodManager::CandidateWindowObserver:
virtual void CandidateWindowOpened(
chromeos::input_method::InputMethodManager* manager) OVERRIDE;
virtual void CandidateWindowClosed(
chromeos::input_method::InputMethodManager* manager) OVERRIDE;
#endif
private:
// Return the number of characers in the current buffer.
size_t GetTextLength() const;
// Try to parse the current text as a URL and colorize the components.
void EmphasizeURLComponents();
// Internally invoked whenever the text changes in some way.
void TextChanged();
// Update the field with |text| and set the selection.
void SetTextAndSelectedRange(const string16& text,
const ui::Range& range);
// Returns the selected text.
string16 GetSelectedText() const;
views::Textfield* textfield_;
// When true, the location bar view is read only and also is has a slightly
// different presentation (smaller font size). This is used for popups.
bool popup_window_mode_;
scoped_ptr<AutocompleteEditModel> model_;
scoped_ptr<AutocompletePopupView> 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_;
ToolbarModel::SecurityLevel security_level_;
// Selection at the point where the user started using the
// arrows to move around in the popup.
ui::Range saved_temporary_selection_;
// Tracking state before and after a possible change.
string16 text_before_change_;
ui::Range sel_before_change_;
bool ime_composing_before_change_;
// Was the delete key pressed with an empty selection at the end of the edit?
bool delete_at_end_pressed_;
LocationBarView* location_bar_view_;
// True if the IME candidate window is open. When this is true, we want to
// avoid showing the popup. So far, the candidate window is detected only
// on Chrome OS.
bool ime_candidate_window_open_;
// Should we select all the text when we see the mouse button get released?
// We select in response to a click that focuses the omnibox, but we defer
// until release, setting this variable back to false if we saw a drag, to
// allow the user to select just a portion of the text.
bool select_all_on_mouse_release_;
DISALLOW_COPY_AND_ASSIGN(OmniboxViewViews);
};
#endif // CHROME_BROWSER_UI_VIEWS_OMNIBOX_OMNIBOX_VIEW_VIEWS_H_
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