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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_VIEWS_COCOA_TEXT_INPUT_HOST_H_
#define UI_VIEWS_COCOA_TEXT_INPUT_HOST_H_
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "components/remote_cocoa/common/text_input_host.mojom.h"
#include "mojo/public/cpp/bindings/associated_receiver.h"
#include "mojo/public/cpp/bindings/pending_associated_receiver.h"
#include "ui/views/views_export.h"
namespace ui {
class TextInputClient;
} // namespace ui
namespace views {
class NativeWidgetMacNSWindowHost;
class VIEWS_EXPORT TextInputHost : public remote_cocoa::mojom::TextInputHost {
public:
explicit TextInputHost(NativeWidgetMacNSWindowHost* host_impl);
TextInputHost(const TextInputHost&) = delete;
TextInputHost& operator=(const TextInputHost&) = delete;
~TextInputHost() override;
void BindReceiver(
mojo::PendingAssociatedReceiver<remote_cocoa::mojom::TextInputHost>
receiver);
// Set the current TextInputClient.
void SetTextInputClient(ui::TextInputClient* new_text_input_client);
// Return a pointer to the host's ui::TextInputClient.
// TODO(ccameron): Remove the need for this call.
ui::TextInputClient* GetTextInputClient() const;
private:
// remote_cocoa::mojom::TextInputHost:
bool HasClient(bool* out_has_client) override;
bool HasInputContext(bool* out_has_input_context) override;
bool IsRTL(bool* out_is_rtl) override;
bool GetSelectionRange(gfx::Range* out_range) override;
bool GetSelectionText(bool* out_result, std::u16string* out_text) override;
void InsertText(const std::u16string& text, bool as_character) override;
void DeleteRange(const gfx::Range& range) override;
void SetCompositionText(const std::u16string& text,
const gfx::Range& selected_range,
const gfx::Range& replacement_range) override;
void ConfirmCompositionText() override;
bool HasCompositionText(bool* out_has_composition_text) override;
bool GetCompositionTextRange(gfx::Range* out_composition_range) override;
bool GetAttributedSubstringForRange(const gfx::Range& requested_range,
std::u16string* out_text,
gfx::Range* out_actual_range) override;
bool GetFirstRectForRange(const gfx::Range& requested_range,
gfx::Rect* out_rect,
gfx::Range* out_actual_range) override;
bool IsTextEditCommandEnabled(ui::TextEditCommand command,
bool* out_enabled) override;
void SetTextEditCommandForNextKeyEvent(ui::TextEditCommand command) override;
// remote_cocoa::mojom::TextInputHost synchronous methods:
void HasClient(HasClientCallback callback) override;
void HasInputContext(HasInputContextCallback callback) override;
void IsRTL(IsRTLCallback callback) override;
void GetSelectionRange(GetSelectionRangeCallback callback) override;
void GetSelectionText(GetSelectionTextCallback callback) override;
void HasCompositionText(HasCompositionTextCallback callback) override;
void GetCompositionTextRange(
GetCompositionTextRangeCallback callback) override;
void GetAttributedSubstringForRange(
const gfx::Range& requested_range,
GetAttributedSubstringForRangeCallback callback) override;
void GetFirstRectForRange(const gfx::Range& requested_range,
GetFirstRectForRangeCallback callback) override;
void IsTextEditCommandEnabled(
ui::TextEditCommand command,
IsTextEditCommandEnabledCallback callback) override;
// Weak. If non-null the TextInputClient of the currently focused views::View
// in the hierarchy rooted at the root view of |host_impl_|. Owned by the
// focused views::View.
base::WeakPtr<ui::TextInputClient> text_input_client_;
// The TextInputClient about to be set. Requests for a new -inputContext will
// use this, but while the input is changing the NSView still needs to service
// IME requests using the old |text_input_client_|.
base::WeakPtr<ui::TextInputClient> pending_text_input_client_;
const raw_ptr<NativeWidgetMacNSWindowHost> host_impl_;
mojo::AssociatedReceiver<remote_cocoa::mojom::TextInputHost> mojo_receiver_{
this};
};
} // namespace views
#endif // UI_VIEWS_COCOA_TEXT_INPUT_HOST_H_
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