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Unified Diff: chrome/browser/chromeos/input_method/virtual_keyboard_selector.h

Issue 10399046: Remove virtual keyboard support. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: final rebase Created 8 years, 7 months ago
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Index: chrome/browser/chromeos/input_method/virtual_keyboard_selector.h
diff --git a/chrome/browser/chromeos/input_method/virtual_keyboard_selector.h b/chrome/browser/chromeos/input_method/virtual_keyboard_selector.h
deleted file mode 100644
index 477cefed94df1bb671d5107baf84335b20708a3c..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/input_method/virtual_keyboard_selector.h
+++ /dev/null
@@ -1,155 +0,0 @@
-// Copyright (c) 2011 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_CHROMEOS_INPUT_METHOD_VIRTUAL_KEYBOARD_SELECTOR_H_
-#define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_VIRTUAL_KEYBOARD_SELECTOR_H_
-#pragma once
-
-#include <list>
-#include <map>
-#include <set>
-#include <string>
-
-#include "base/basictypes.h"
-#include "googleurl/src/gurl.h"
-
-namespace chromeos {
-namespace input_method {
-
-// A class which represents a virtual keyboard extension. One virtual keyboard
-// extension can support more than one keyboard layout.
-class VirtualKeyboard {
- public:
- VirtualKeyboard(const GURL& url,
- const std::string& name,
- const std::set<std::string>& supported_layouts,
- bool is_system);
- ~VirtualKeyboard();
-
- // Returns URL for displaying the keyboard UI specified by |layout|.
- // For example, when |url_| is "http://adcfj..kjhil/" and |layout| is "us",
- // the function would return "http://adcfj..kjhil/index.html#us". When
- // |layout| is empty, it returns |url_| as-is, which is "http://adcfj..kjhil/"
- // in this case.
- GURL GetURLForLayout(const std::string& layout) const;
-
- // Returns true if the virtual keyboard extension supports the |layout|.
- bool IsLayoutSupported(const std::string& layout) const;
-
- const GURL& url() const { return url_; }
- const std::string& name() const { return name_; }
- const std::set<std::string>& supported_layouts() const {
- return supported_layouts_;
- }
- bool is_system() const { return is_system_; }
-
- private:
- const GURL url_;
- const std::string name_;
- const std::set<std::string> supported_layouts_;
- const bool is_system_;
-
- DISALLOW_COPY_AND_ASSIGN(VirtualKeyboard);
-};
-
-// A class which holds all available virtual keyboard extensions.
-class VirtualKeyboardSelector {
- public:
- VirtualKeyboardSelector();
- ~VirtualKeyboardSelector();
-
- // Adds a new virtual keyboard extension. If |keyboard.is_system_| is true,
- // the virtual keyboard extension will have lower priority than non-system
- // keyboard extensions. Returns false if a virtual keyboard extension
- // specified by the |url| is already added.
- // TODO(yusukes): Add RemoveVirtualKeyboard() as well.
- bool AddVirtualKeyboard(const GURL& url,
- const std::string& name,
- const std::set<std::string>& supported_layouts,
- bool is_system);
-
- // Selects and returns the most suitable virtual keyboard extension for the
- // |layout|. Returns NULL if no virtual keyboard extension for the layout
- // is found. If a specific virtual keyboard extension for the |layout| is
- // already set by SetUserPreference, the virtual keyboard extension is always
- // returned. If |current_|, which is the virtual keyboard extension currently
- // in use, supports the |layout|, the current one will be returned. Otherwise
- // the function scans the list of |keyboards_| and then the list of
- // |system_keyboards_|. The most recently added keyboards to each list take
- // precedence.
- //
- // Checking the |current_| keyboard is important for the following use case:
- // - If I have installed a VK extension that provides a US and an FR layout
- // and I switch from the US layout of the extension (+ English IME) to the
- // French IME, then I would like to use the FR layout of the extension I am
- // currently using.
- const VirtualKeyboard* SelectVirtualKeyboard(const std::string& layout);
-
- // Sets user preferences on virtual keyboard selection so that the virtual
- // keyboard extension specified by the |url| is always selected for the
- // |layout|. Returns false if a virtual keyboard extension whose address is
- // |url| is not registered, or the extension specified by the |url| does not
- // support the |layout|.
- bool SetUserPreference(const std::string& layout, const GURL& url);
-
- // Removes the preference for the |layout| added by SetUserPreference.
- void RemoveUserPreference(const std::string& layout);
-
- // Removes all preferences added by SetUserPreference.
- void ClearAllUserPreferences();
-
- const std::map<GURL, const VirtualKeyboard*>& url_to_keyboard() const {
- return url_to_keyboard_;
- }
-
- const std::multimap<
- std::string, const VirtualKeyboard*>& layout_to_keyboard() const {
- return layout_to_keyboard_;
- }
-
- protected:
- // Selects and returns the most suitable virtual keyboard extension for the
- // |layout|. Unlike SelectVirtualKeyboard(), this function only scans
- // |keyboards_| and |system_keyboards_| (in this order), and never updates
- // |current_|. The function is protected for testability.
- const VirtualKeyboard* SelectVirtualKeyboardWithoutPreferences(
- const std::string& layout);
-
- // The function is protected for testability.
- const std::map<std::string, const VirtualKeyboard*>& user_preference() const {
- return user_preference_;
- }
-
- private:
- // A list of third party virtual keyboard extensions.
- std::list<const VirtualKeyboard*> keyboards_;
- // A list of system virtual keyboard extensions.
- std::list<const VirtualKeyboard*> system_keyboards_;
-
- // A map from layout name to virtual keyboard extension.
- std::map<std::string, const VirtualKeyboard*> user_preference_;
-
- // TODO(yusukes): Support per-site preference. e.g. always use virtual
- // keyboard ABC on https://mail.google.com/, XYZ on http://www.google.com/.
-
- // The virtual keyboard currently in use.
- const VirtualKeyboard* current_;
-
- // A map from URL to virtual keyboard extension. The map is for making
- // SetUserPreference() faster.
- std::map<GURL, const VirtualKeyboard*> url_to_keyboard_;
-
- // A *multi* map from layout name to virtual keyboard extension. An example
- // value of the variable would be: { "us": extension1,
- // "us(dvorak)": extension1,
- // "us": extension2 }
- std::multimap<std::string, const VirtualKeyboard*> layout_to_keyboard_;
-
- DISALLOW_COPY_AND_ASSIGN(VirtualKeyboardSelector);
-};
-
-} // namespace input_method
-} // namespace chromeos
-
-#endif // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_VIRTUAL_KEYBOARD_SELECTOR_H_

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