thumbnail_tab_helper.cc | Explore in Territory

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/ui/thumbnails/thumbnail_tab_helper.h"

#include <stdint.h>

#include <algorithm>
#include <optional>
#include <set>
#include <utility>

#include "base/functional/bind.h"
#include "base/memory/raw_ptr.h"
#include "base/metrics/histogram_macros.h"
#include "base/no_destructor.h"
#include "chrome/browser/ui/tabs/tab_style.h"
#include "chrome/browser/ui/thumbnails/background_thumbnail_video_capturer.h"
#include "chrome/browser/ui/thumbnails/thumbnail_capture_driver.h"
#include "chrome/browser/ui/thumbnails/thumbnail_readiness_tracker.h"
#include "chrome/browser/ui/thumbnails/thumbnail_scheduler.h"
#include "chrome/browser/ui/thumbnails/thumbnail_scheduler_impl.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/web_contents.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/geometry/skia_conversions.h"
#include "ui/native_theme/native_theme.h"

namespace …  // anonymous namespace

// ThumbnailTabHelper::CaptureType ---------------------------------------

enum class ThumbnailTabHelper::CaptureType { … };

// ThumbnailTabHelper::TabStateTracker ---------------------------

// Stores information about the state of the current WebContents and renderer.
class ThumbnailTabHelper::TabStateTracker
    : public content::WebContentsObserver,
      public ThumbnailCaptureDriver::Client,
      public ThumbnailImage::Delegate { … };

// ThumbnailTabHelper ----------------------------------------------------

void ThumbnailTabHelper::CaptureThumbnailOnTabBackgrounded() { … }

ThumbnailTabHelper::ThumbnailTabHelper(content::WebContents* contents)
    : … { … }

ThumbnailTabHelper::~ThumbnailTabHelper() { … }

// static
ThumbnailScheduler& ThumbnailTabHelper::GetScheduler() { … }

void ThumbnailTabHelper::StoreThumbnailForTabSwitch(base::TimeTicks start_time,
                                                    const SkBitmap& bitmap) { … }

void ThumbnailTabHelper::StoreThumbnailForBackgroundCapture(
    const SkBitmap& bitmap,
    uint64_t frame_id) { … }

void ThumbnailTabHelper::StoreThumbnail(CaptureType type,
                                        const SkBitmap& bitmap,
                                        std::optional<uint64_t> frame_id) { … }

void ThumbnailTabHelper::ClearData() { … }

void ThumbnailTabHelper::StartVideoCapture() { … }

void ThumbnailTabHelper::StopVideoCapture() { … }

// static
ThumbnailCaptureInfo ThumbnailTabHelper::GetInitialCaptureInfo(
    const gfx::Size& source_size,
    float scale_factor,
    bool include_scrollbars_in_capture) { … }

void ThumbnailTabHelper::AboutToBeDiscarded(
    content::WebContents* new_contents) { … }

void ThumbnailTabHelper::DidStartNavigation(
    content::NavigationHandle* navigation_handle) { … }

WEB_CONTENTS_USER_DATA_KEY_IMPL(ThumbnailTabHelper);
chromium/chrome/browser/ui/thumbnails/thumbnail_tab_helper.cc
