1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147


ash / quick_insert / views / quick_insert_preview_bubble_controller.cc [blame]

// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ash/quick_insert/views/quick_insert_preview_bubble_controller.h"

#include <optional>
#include <string>
#include <string_view>
#include <utility>

#include "ash/public/cpp/holding_space/holding_space_image.h"
#include "ash/quick_insert/views/quick_insert_preview_bubble.h"
#include "base/check.h"
#include "base/files/file.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/observer_list.h"
#include "base/time/time.h"
#include "ui/views/view.h"
#include "ui/views/widget/widget.h"

namespace ash {
namespace {

// Duration to wait before showing the preview bubble when it is requested.
constexpr base::TimeDelta kShowBubbleDelay = base::Milliseconds(600);

}  // namespace

QuickInsertPreviewBubbleController::QuickInsertPreviewBubbleController() =
    default;

QuickInsertPreviewBubbleController::~QuickInsertPreviewBubbleController() {
  CloseBubble();
}

void QuickInsertPreviewBubbleController::ShowBubbleAfterDelay(
    HoldingSpaceImage* async_preview_image,
    const base::FilePath& path,
    views::View* anchor_view) {
  CreateBubbleWidget(async_preview_image, anchor_view);
  show_bubble_timer_.Start(
      FROM_HERE, kShowBubbleDelay,
      base::BindOnce(&QuickInsertPreviewBubbleController::ShowBubble,
                     weak_ptr_factory_.GetWeakPtr()));
}

void QuickInsertPreviewBubbleController::CloseBubble() {
  if (bubble_view_ == nullptr) {
    return;
  }
  bubble_view_->Close();
  OnWidgetDestroying(bubble_view_->GetWidget());
  for (auto& observer : observers_) {
    observer.OnPreviewBubbleVisibilityChanged(false);
  }
}

bool QuickInsertPreviewBubbleController::IsBubbleVisible() const {
  return bubble_view_ != nullptr;
}

void QuickInsertPreviewBubbleController::AddObserver(Observer* observer) {
  observers_.AddObserver(observer);
}

void QuickInsertPreviewBubbleController::RemoveObserver(Observer* observer) {
  observers_.RemoveObserver(observer);
}

void QuickInsertPreviewBubbleController::SetBubbleMainText(
    const std::u16string& text) {
  if (bubble_view_ == nullptr) {
    return;
  }

  if (text.empty()) {
    bubble_view_->ClearText();
  } else {
    bubble_view_->SetText(text);
  }
}

void QuickInsertPreviewBubbleController::OnWidgetDestroying(
    views::Widget* widget) {
  widget_observation_.Reset();
  bubble_view_ = nullptr;

  async_preview_image_ = nullptr;
}

void QuickInsertPreviewBubbleController::ShowBubbleImmediatelyForTesting(
    HoldingSpaceImage* async_preview_image,
    views::View* anchor_view) {
  CreateBubbleWidget(async_preview_image, anchor_view);
  bubble_view_->GetWidget()->Show();
}

QuickInsertPreviewBubbleView*
QuickInsertPreviewBubbleController::bubble_view_for_testing() const {
  return bubble_view_;
}

void QuickInsertPreviewBubbleController::UpdateBubbleImage() {
  if (bubble_view_ != nullptr) {
    bubble_view_->SetPreviewImage(
        ui::ImageModel::FromImageSkia(async_preview_image_->GetImageSkia(
            QuickInsertPreviewBubbleView::kPreviewImageSize)));
  }
}

void QuickInsertPreviewBubbleController::CreateBubbleWidget(
    HoldingSpaceImage* async_preview_image,
    views::View* anchor_view) {
  if (bubble_view_ != nullptr) {
    return;
  }

  CHECK(anchor_view);
  bubble_view_ = new QuickInsertPreviewBubbleView(anchor_view);
  async_preview_image_ = async_preview_image;
  bubble_view_->SetPreviewImage(
      ui::ImageModel::FromImageSkia(async_preview_image_->GetImageSkia()));
  // base::Unretained is safe here since `image_subscription_` is a member.
  // During destruction, `image_subscription_` will be destroyed before the
  // other members, so the callback is guaranteed to be safe.
  image_subscription_ =
      async_preview_image_->AddImageSkiaChangedCallback(base::BindRepeating(
          &QuickInsertPreviewBubbleController::UpdateBubbleImage,
          base::Unretained(this)));

  widget_observation_.Observe(bubble_view_->GetWidget());
}

void QuickInsertPreviewBubbleController::ShowBubble() {
  if (bubble_view_ == nullptr) {
    return;
  }

  bubble_view_->GetWidget()->Show();
  for (auto& observer : observers_) {
    observer.OnPreviewBubbleVisibilityChanged(true);
  }
}

}  // namespace ash