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// Copyright 2019 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_FRAME_TOP_CONTAINER_LOADING_BAR_H_
#define CHROME_BROWSER_UI_VIEWS_FRAME_TOP_CONTAINER_LOADING_BAR_H_
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/tabs/tab_network_state.h"
#include "content/public/browser/web_contents_observer.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/gfx/animation/animation_delegate.h"
#include "ui/gfx/animation/linear_animation.h"
#include "ui/views/view.h"
class Browser;
class LoadingBarView : public views::View, public gfx::AnimationDelegate {
METADATA_HEADER(LoadingBarView, views::View)
public:
LoadingBarView();
LoadingBarView(const LoadingBarView&) = delete;
LoadingBarView& operator=(const LoadingBarView&) = delete;
void HideImmediately();
void Show(double loading_progress);
void FinishLoading();
void SetLoadingProgress(double loading_progress);
private:
double GetDisplayedLoadingProgress() const;
// views::View:
void OnThemeChanged() override;
void AddedToWidget() override;
void OnPaint(gfx::Canvas* canvas) override;
// gfx::AnimationDelegate:
void AnimationEnded(const gfx::Animation* animation) override;
void AnimationProgressed(const gfx::Animation* animation) override;
gfx::LinearAnimation animation_{this};
bool is_shown_when_not_animating_ = false;
double start_loading_progress_ = 0.0;
double target_loading_progress_ = 0.0;
};
class TopContainerLoadingBar : public LoadingBarView,
public content::WebContentsObserver {
METADATA_HEADER(TopContainerLoadingBar, LoadingBarView)
public:
explicit TopContainerLoadingBar(Browser*);
TopContainerLoadingBar(const TopContainerLoadingBar&) = delete;
TopContainerLoadingBar& operator=(const TopContainerLoadingBar&) = delete;
void SetWebContents(content::WebContents* web_contents);
private:
void UpdateLoadingProgress();
double GetLoadingProgress() const;
// content::WebContentsObserver:
void LoadProgressChanged(double progress) override;
raw_ptr<Browser> browser_;
TabNetworkState network_state_ = TabNetworkState::kNone;
};
#endif // CHROME_BROWSER_UI_VIEWS_FRAME_TOP_CONTAINER_LOADING_BAR_H_
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