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// Copyright 2022 The Chromium Authors
// 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_TRANSLATE_TRANSLATE_BUBBLE_CONTROLLER_H_
#define CHROME_BROWSER_UI_VIEWS_TRANSLATE_TRANSLATE_BUBBLE_CONTROLLER_H_
#include "base/functional/callback_forward.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/ui/browser_window/public/browser_window_interface.h"
#include "chrome/browser/ui/views/translate/partial_translate_bubble_view.h"
#include "chrome/browser/ui/views/translate/translate_bubble_view.h"
#include "content/public/browser/web_contents.h"
// Controls both TranslateBubbleView and PartialTranslateBubbleView shown for
// a given browser. This controller ensures only one of the two are shown at
// a time, and is responsible for creating/hiding the bubbles.
class TranslateBubbleController : public PartialTranslateBubbleModel::Observer {
public:
// `root_action_item` is used to retrieve the correct Translate ActionItem.
explicit TranslateBubbleController(actions::ActionItem* root_action_item);
~TranslateBubbleController() override;
TranslateBubbleController(const TranslateBubbleController&) = delete;
TranslateBubbleController& operator=(const TranslateBubbleController&) =
delete;
// Shows the Full Page Translate bubble. Returns the newly created bubble's
// Widget or nullptr in cases when the bubble already exists or when the
// bubble is not created.
views::Widget* ShowTranslateBubble(
content::WebContents* web_contents,
views::View* anchor_view,
views::Button* highlighted_button,
translate::TranslateStep step,
const std::string& source_language,
const std::string& target_language,
translate::TranslateErrors error_type,
LocationBarBubbleDelegateView::DisplayReason reason);
// Initiates the Partial Translate request, showing the bubble after a delay
// dependent on the Partial Translate response.
void StartPartialTranslate(content::WebContents* web_contents,
views::View* anchor_view,
views::Button* highlighted_button,
const std::string& source_language,
const std::string& target_language,
const std::u16string& text_selection);
// Closes the current Partial or Full Page Translate bubble, if either exists.
// At most one of these bubbles should be non-null at any given time.
void CloseBubble();
// Returns the currently shown Full Page Translate bubble view. Returns
// nullptr if the bubble is not currently shown.
TranslateBubbleView* GetTranslateBubble() const;
// Returns the currently shown Partial Translate bubble view. Returns nullptr
// if the bubble is not currently shown.
PartialTranslateBubbleView* GetPartialTranslateBubble() const;
void SetTranslateBubbleModelFactory(
base::RepeatingCallback<std::unique_ptr<TranslateBubbleModel>()>
callback);
void SetPartialTranslateBubbleModelFactory(
base::RepeatingCallback<std::unique_ptr<PartialTranslateBubbleModel>()>
callback);
base::OnceClosure GetOnTranslateBubbleClosedCallback();
base::OnceClosure GetOnPartialTranslateBubbleClosedCallback();
private:
// Weak references for the two possible Translate bubble views. These will be
// nullptr if no bubble is currently shown. At most one of these pointers
// should be non-null at any given time.
raw_ptr<TranslateBubbleView> translate_bubble_view_ = nullptr;
raw_ptr<PartialTranslateBubbleView> partial_translate_bubble_view_ = nullptr;
// Factories used to construct models for the two different Translate bubbles.
// If the factory is null, the standard implementations -
// TranslateBubbleModelImpl and PartialTranslateBubbleModelImpl - will be
// used.
base::RepeatingCallback<std::unique_ptr<TranslateBubbleModel>()>
model_factory_callback_;
base::RepeatingCallback<std::unique_ptr<PartialTranslateBubbleModel>()>
partial_model_factory_callback_;
// Creates the Partial Translate bubble or updates the bubble if it already
// exists.
void CreatePartialTranslateBubble(
content::WebContents* web_contents,
views::View* anchor_view,
views::Button* highlighted_button,
PartialTranslateBubbleModel::ViewState view_state,
const std::string& source_language,
const std::string& target_language,
const std::u16string& source_text,
const std::u16string& target_text,
translate::TranslateErrors error_type);
// Handlers for when Translate bubbles are closed.
void OnTranslateBubbleClosed();
void OnPartialTranslateBubbleClosed();
// Called when the initial wait for the Partial Translate response expires.
// Shows the waitspin view.
void OnPartialTranslateWaitExpired();
// PartialTranslateBubbleModel::Observer impl.
void OnPartialTranslateComplete() override;
// Timer used for handling the delay before showing Partial Translate bubble.
base::OneShotTimer partial_translate_timer_;
friend class TranslateBubbleControllerTest;
WEB_CONTENTS_USER_DATA_KEY_DECL();
// The action item associated with showing a Translate UI.
// The bubbles use this to appropriately configure its "IsBubbleShowing"
// property.
const base::WeakPtr<actions::ActionItem> action_item_;
base::WeakPtrFactory<TranslateBubbleController> weak_ptr_factory_{this};
};
#endif // CHROME_BROWSER_UI_VIEWS_TRANSLATE_TRANSLATE_BUBBLE_CONTROLLER_H_
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