| // Copyright 2014 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 EXTENSIONS_BROWSER_API_VIRTUAL_KEYBOARD_PRIVATE_VIRTUAL_KEYBOARD_DELEGATE_H_ |
| #define EXTENSIONS_BROWSER_API_VIRTUAL_KEYBOARD_PRIVATE_VIRTUAL_KEYBOARD_DELEGATE_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "base/optional.h" |
| #include "base/strings/string16.h" |
| #include "base/values.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "extensions/common/api/virtual_keyboard.h" |
| #include "extensions/common/api/virtual_keyboard_private.h" |
| #include "ui/gfx/geometry/rect.h" |
| |
| namespace extensions { |
| |
| class VirtualKeyboardDelegate { |
| public: |
| virtual ~VirtualKeyboardDelegate() {} |
| |
| using OnKeyboardSettingsCallback = |
| base::Callback<void(std::unique_ptr<base::DictionaryValue> settings)>; |
| |
| using OnSetModeCallback = base::OnceCallback<void(bool success)>; |
| |
| // Fetch information about the preferred configuration of the keyboard. On |
| // exit, |settings| is populated with the keyboard configuration if execution |
| // is successful, otherwise it's set to nullptr. |
| virtual void GetKeyboardConfig( |
| OnKeyboardSettingsCallback on_settings_callback) = 0; |
| |
| // Notify keyboard config change through |
| // |chrome.virtualKeyboard.onKeyboardConfigChanged| event. |
| virtual void OnKeyboardConfigChanged() = 0; |
| |
| // Dismiss the virtual keyboard without changing input focus. Returns true if |
| // successful. |
| virtual bool HideKeyboard() = 0; |
| |
| // Insert |text| verbatim into a text area. Returns true if successful. |
| virtual bool InsertText(const base::string16& text) = 0; |
| |
| // Notifiy system that keyboard loading is complete. Used in UMA stats to |
| // track loading performance. Returns true if the notification was handled. |
| virtual bool OnKeyboardLoaded() = 0; |
| |
| // Indicate if settings are accessible and enabled based on current state. |
| // For example, settings should be blocked when the session is locked. |
| virtual bool IsLanguageSettingsEnabled() = 0; |
| |
| // Sets the state of the hotrod virtual keyboad. |
| virtual void SetHotrodKeyboard(bool enable) = 0; |
| |
| // Activate and lock the virtual keyboad on screen or dismiss the keyboard |
| // regardless of the state of text focus. Used in a11y mode to allow typing |
| // hotkeys without the need for text focus. Returns true if successful. |
| virtual bool LockKeyboard(bool state) = 0; |
| |
| // Dispatches a virtual key event. |type| indicates if the event is a keydown |
| // or keyup event. |char_value| is the unicode value for the key. |key_code| |
| // is the code assigned to the key, which is independent of the state of |
| // modifier keys. |key_name| is the standardized w3c name for the key. |
| // |modifiers| indicates which modifier keys are active. Returns true if |
| // successful. |
| virtual bool SendKeyEvent(const std::string& type, |
| int char_value, |
| int key_code, |
| const std::string& key_name, |
| int modifiers) = 0; |
| |
| // Launches the settings app. Returns true if successful. |
| virtual bool ShowLanguageSettings() = 0; |
| |
| // Sets virtual keyboard window mode. |
| virtual bool SetVirtualKeyboardMode( |
| int mode_enum, |
| base::Optional<gfx::Rect> target_bounds, |
| OnSetModeCallback on_set_mode_callback) = 0; |
| |
| // Sets virtual keyboard draggable area bounds. |
| // Returns whether the draggable area is set successful. |
| virtual bool SetDraggableArea( |
| const api::virtual_keyboard_private::Bounds& bounds) = 0; |
| |
| // Sets requested virtual keyboard state. |
| virtual bool SetRequestedKeyboardState(int state_enum) = 0; |
| |
| // Sets the area on the screen that is occluded by the keyboard. |
| virtual bool SetOccludedBounds(const std::vector<gfx::Rect>& bounds) = 0; |
| |
| // Sets the areas on the keyboard window where events are handled. |
| virtual bool SetHitTestBounds(const std::vector<gfx::Rect>& bounds) = 0; |
| |
| // Restricts the virtual keyboard IME features. |
| // Returns the values which were updated. |
| virtual api::virtual_keyboard::FeatureRestrictions RestrictFeatures( |
| const api::virtual_keyboard::RestrictFeatures::Params& params) = 0; |
| }; |
| |
| } // namespace extensions |
| |
| #endif // EXTENSIONS_BROWSER_API_VIRTUAL_KEYBOARD_PRIVATE_VIRTUAL_KEYBOARD_DELEGATE_H_ |