Move views/ime/text_input_client.h to ui/base/ime/.

- Remove Views dependencies from text_input_client.h.
- Change namespace from views:: to ui::.

This change is necessary for RenderWidgetHostViewAura to support IME since RWHVA is Views agnostic and cannot directly use classes under views/ime/.

BUG=chromium:97261
TEST=try

Review URL: http://codereview.chromium.org/8509034

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@109583 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 119 insertions, 0 deletions

diff --git a/ui/base/ime/text_input_client.h b/ui/base/ime/text_input_client.h
new file mode 100644
index 0000000..a7faba9
--- /dev/null
+++ b/ui/base/ime/text_input_client.h
@@ -0,0 +1,119 @@
+// 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 UI_BASE_IME_TEXT_INPUT_CLIENT_H_
+#define UI_BASE_IME_TEXT_INPUT_CLIENT_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "base/i18n/rtl.h"
+#include "base/string16.h"
+#include "ui/base/ime/composition_text.h"
+#include "ui/base/ime/text_input_type.h"
+#include "ui/base/range/range.h"
+#include "ui/base/ui_export.h"
+
+namespace gfx {
+class Rect;
+}
+
+namespace ui {
+
+// An interface implemented by a View that needs text input support.
+class UI_EXPORT TextInputClient {
+ public:
+  virtual ~TextInputClient() {}
+
+  // Input method result -------------------------------------------------------
+
+  // Sets composition text and attributes. If there is composition text already,
+  // it’ll be replaced by the new one. Otherwise, current selection will be
+  // replaced. If there is no selection, the composition text will be inserted
+  // at the insertion point.
+  virtual void SetCompositionText(const ui::CompositionText& composition) = 0;
+
+  // Converts current composition text into final content.
+  virtual void ConfirmCompositionText() = 0;
+
+  // Removes current composition text.
+  virtual void ClearCompositionText() = 0;
+
+  // Inserts a given text at the insertion point. Current composition text or
+  // selection will be removed. This method should never be called when the
+  // current text input type is TEXT_INPUT_TYPE_NONE.
+  virtual void InsertText(const string16& text) = 0;
+
+  // Inserts a single char at the insertion point. Unlike above InsertText()
+  // method, this method has an extra |flags| parameter indicating the modifier
+  // key states when the character is generated. This method should only be
+  // called when a key press is not handled by the input method but still
+  // generates a character (eg. by the keyboard driver). In another word, the
+  // preceding key press event should not be a VKEY_PROCESSKEY.
+  // This method will be called whenever a char is generated by the keyboard,
+  // even if the current text input type is TEXT_INPUT_TYPE_NONE.
+  virtual void InsertChar(char16 ch, int flags) = 0;
+
+  // Input context information -------------------------------------------------
+
+  // Returns current text input type. It could be changed and even becomes
+  // TEXT_INPUT_TYPE_NONE at runtime.
+  virtual ui::TextInputType GetTextInputType() const = 0;
+
+  // Returns current caret (insertion point) bounds relative to the View’s
+  // coordinates. If there is selection, then the selection bounds will be
+  // returned.
+  virtual gfx::Rect GetCaretBounds() = 0;
+
+  // Returns true if there is composition text.
+  virtual bool HasCompositionText() = 0;
+
+  // Document content operations ----------------------------------------------
+
+  // Retrieves the UTF-16 based character range containing accessibled text in
+  // the View. It must cover the composition and selection range.
+  // Returns false if the information cannot be retrieved right now.
+  virtual bool GetTextRange(ui::Range* range) = 0;
+
+  // Retrieves the UTF-16 based character range of current composition text.
+  // Returns false if the information cannot be retrieved right now.
+  virtual bool GetCompositionTextRange(ui::Range* range) = 0;
+
+  // Retrieves the UTF-16 based character range of current selection.
+  // Returns false if the information cannot be retrieved right now.
+  virtual bool GetSelectionRange(ui::Range* range) = 0;
+
+  // Selects the given UTF-16 based character range. Current composition text
+  // will be confirmed before selecting the range.
+  // Returns false if the operation is not supported.
+  virtual bool SetSelectionRange(const ui::Range& range) = 0;
+
+  // Deletes contents in the given UTF-16 based character range. Current
+  // composition text will be confirmed before deleting the range.
+  // The input caret will be moved to the place where the range gets deleted.
+  // Returns false if the oepration is not supported.
+  virtual bool DeleteRange(const ui::Range& range) = 0;
+
+  // Retrieves the text content in a given UTF-16 based character range.
+  // The result will be stored into |*text|.
+  // Returns false if the operation is not supported or the specified range
+  // is out of the text range returned by GetTextRange().
+  virtual bool GetTextFromRange(const ui::Range& range, string16* text) = 0;
+
+  // Miscellaneous ------------------------------------------------------------
+
+  // Called whenever current keyboard layout or input method is changed,
+  // especially the change of input locale and text direction.
+  virtual void OnInputMethodChanged() = 0;
+
+  // Called whenever the user requests to change the text direction and layout
+  // alignment of the current text box. It’s for supporting ctrl-shift on
+  // Windows.
+  // Returns false if the operation is not supported.
+  virtual bool ChangeTextDirectionAndLayoutAlignment(
+      base::i18n::TextDirection direction) = 0;
+};
+
+}  // namespace ui
+
+#endif  // UI_BASE_IME_TEXT_INPUT_CLIENT_H_