| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/ui/views/download/download_shelf_view.h" |
| |
| #include <algorithm> |
| #include <vector> |
| |
| #include "base/logging.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "chrome/browser/download/download_item_model.h" |
| #include "chrome/browser/download/download_stats.h" |
| #include "chrome/browser/themes/theme_properties.h" |
| #include "chrome/browser/ui/browser.h" |
| #include "chrome/browser/ui/chrome_pages.h" |
| #include "chrome/browser/ui/view_ids.h" |
| #include "chrome/browser/ui/views/download/download_item_view.h" |
| #include "chrome/browser/ui/views/frame/browser_view.h" |
| #include "content/public/browser/download_item.h" |
| #include "content/public/browser/download_manager.h" |
| #include "content/public/browser/page_navigator.h" |
| #include "grit/generated_resources.h" |
| #include "grit/theme_resources.h" |
| #include "grit/ui_resources.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/base/resource/resource_bundle.h" |
| #include "ui/base/theme_provider.h" |
| #include "ui/gfx/animation/slide_animation.h" |
| #include "ui/gfx/canvas.h" |
| #include "ui/views/background.h" |
| #include "ui/views/controls/button/image_button.h" |
| #include "ui/views/controls/image_view.h" |
| #include "ui/views/controls/link.h" |
| #include "ui/views/mouse_watcher_view_host.h" |
| |
| // Max number of download views we'll contain. Any time a view is added and |
| // we already have this many download views, one is removed. |
| static const size_t kMaxDownloadViews = 15; |
| |
| // Padding from left edge and first download view. |
| static const int kLeftPadding = 2; |
| |
| // Padding from right edge and close button/show downloads link. |
| static const int kRightPadding = 10; |
| |
| // Padding between the show all link and close button. |
| static const int kCloseAndLinkPadding = 14; |
| |
| // Padding between the download views. |
| static const int kDownloadPadding = 10; |
| |
| // Padding between the top/bottom and the content. |
| static const int kTopBottomPadding = 2; |
| |
| // Padding between the icon and 'show all downloads' link |
| static const int kDownloadsTitlePadding = 4; |
| |
| // Border color. |
| static const SkColor kBorderColor = SkColorSetRGB(214, 214, 214); |
| |
| // New download item animation speed in milliseconds. |
| static const int kNewItemAnimationDurationMs = 800; |
| |
| // Shelf show/hide speed. |
| static const int kShelfAnimationDurationMs = 120; |
| |
| // Amount of time to delay if the mouse leaves the shelf by way of entering |
| // another window. This is much larger than the normal delay as openning a |
| // download is most likely going to trigger a new window to appear over the |
| // button. Delay the time so that the user has a chance to quickly close the |
| // other app and return to chrome with the download shelf still open. |
| static const int kNotifyOnExitTimeMS = 5000; |
| |
| using content::DownloadItem; |
| |
| namespace { |
| |
| // Sets size->width() to view's preferred width + size->width().s |
| // Sets size->height() to the max of the view's preferred height and |
| // size->height(); |
| void AdjustSize(views::View* view, gfx::Size* size) { |
| gfx::Size view_preferred = view->GetPreferredSize(); |
| size->Enlarge(view_preferred.width(), 0); |
| size->set_height(std::max(view_preferred.height(), size->height())); |
| } |
| |
| int CenterPosition(int size, int target_size) { |
| return std::max((target_size - size) / 2, kTopBottomPadding); |
| } |
| |
| } // namespace |
| |
| DownloadShelfView::DownloadShelfView(Browser* browser, BrowserView* parent) |
| : browser_(browser), |
| arrow_image_(NULL), |
| show_all_view_(NULL), |
| close_button_(NULL), |
| parent_(parent), |
| mouse_watcher_(new views::MouseWatcherViewHost(this, gfx::Insets()), |
| this) { |
| mouse_watcher_.set_notify_on_exit_time( |
| base::TimeDelta::FromMilliseconds(kNotifyOnExitTimeMS)); |
| set_id(VIEW_ID_DOWNLOAD_SHELF); |
| parent->AddChildView(this); |
| } |
| |
| DownloadShelfView::~DownloadShelfView() { |
| parent_->RemoveChildView(this); |
| } |
| |
| void DownloadShelfView::AddDownloadView(DownloadItemView* view) { |
| mouse_watcher_.Stop(); |
| |
| DCHECK(view); |
| download_views_.push_back(view); |
| AddChildView(view); |
| if (download_views_.size() > kMaxDownloadViews) |
| RemoveDownloadView(*download_views_.begin()); |
| |
| new_item_animation_->Reset(); |
| new_item_animation_->Show(); |
| } |
| |
| void DownloadShelfView::DoAddDownload(DownloadItem* download) { |
| DownloadItemView* view = new DownloadItemView(download, this); |
| AddDownloadView(view); |
| } |
| |
| void DownloadShelfView::MouseMovedOutOfHost() { |
| Close(AUTOMATIC); |
| } |
| |
| void DownloadShelfView::RemoveDownloadView(View* view) { |
| DCHECK(view); |
| std::vector<DownloadItemView*>::iterator i = |
| find(download_views_.begin(), download_views_.end(), view); |
| DCHECK(i != download_views_.end()); |
| download_views_.erase(i); |
| RemoveChildView(view); |
| delete view; |
| if (download_views_.empty()) |
| Close(AUTOMATIC); |
| else if (CanAutoClose()) |
| mouse_watcher_.Start(); |
| Layout(); |
| SchedulePaint(); |
| } |
| |
| views::View* DownloadShelfView::GetDefaultFocusableChild() { |
| return download_views_.empty() ? |
| static_cast<View*>(show_all_view_) : download_views_[0]; |
| } |
| |
| void DownloadShelfView::OnPaintBorder(gfx::Canvas* canvas) { |
| canvas->FillRect(gfx::Rect(0, 0, width(), 1), kBorderColor); |
| } |
| |
| void DownloadShelfView::OpenedDownload(DownloadItemView* view) { |
| if (CanAutoClose()) |
| mouse_watcher_.Start(); |
| } |
| |
| content::PageNavigator* DownloadShelfView::GetNavigator() { |
| return browser_; |
| } |
| |
| gfx::Size DownloadShelfView::GetPreferredSize() { |
| gfx::Size prefsize(kRightPadding + kLeftPadding + kCloseAndLinkPadding, 0); |
| AdjustSize(close_button_, &prefsize); |
| AdjustSize(show_all_view_, &prefsize); |
| // Add one download view to the preferred size. |
| if (!download_views_.empty()) { |
| AdjustSize(*download_views_.begin(), &prefsize); |
| prefsize.Enlarge(kDownloadPadding, 0); |
| } |
| prefsize.Enlarge(0, kTopBottomPadding + kTopBottomPadding); |
| if (shelf_animation_->is_animating()) { |
| prefsize.set_height(static_cast<int>( |
| static_cast<double>(prefsize.height()) * |
| shelf_animation_->GetCurrentValue())); |
| } |
| return prefsize; |
| } |
| |
| void DownloadShelfView::AnimationProgressed(const gfx::Animation *animation) { |
| if (animation == new_item_animation_.get()) { |
| Layout(); |
| SchedulePaint(); |
| } else if (animation == shelf_animation_.get()) { |
| // Force a re-layout of the parent, which will call back into |
| // GetPreferredSize, where we will do our animation. In the case where the |
| // animation is hiding, we do a full resize - the fast resizing would |
| // otherwise leave blank white areas where the shelf was and where the |
| // user's eye is. Thankfully bottom-resizing is a lot faster than |
| // top-resizing. |
| parent_->ToolbarSizeChanged(shelf_animation_->IsShowing()); |
| } |
| } |
| |
| void DownloadShelfView::AnimationEnded(const gfx::Animation *animation) { |
| if (animation == shelf_animation_.get()) { |
| parent_->SetDownloadShelfVisible(shelf_animation_->IsShowing()); |
| if (!shelf_animation_->IsShowing()) |
| Closed(); |
| } |
| } |
| |
| void DownloadShelfView::Layout() { |
| // Let our base class layout our child views |
| views::View::Layout(); |
| |
| // If there is not enough room to show the first download item, show the |
| // "Show all downloads" link to the left to make it more visible that there is |
| // something to see. |
| bool show_link_only = !CanFitFirstDownloadItem(); |
| |
| gfx::Size image_size = arrow_image_->GetPreferredSize(); |
| gfx::Size close_button_size = close_button_->GetPreferredSize(); |
| gfx::Size show_all_size = show_all_view_->GetPreferredSize(); |
| int max_download_x = |
| std::max<int>(0, width() - kRightPadding - close_button_size.width() - |
| kCloseAndLinkPadding - show_all_size.width() - |
| kDownloadsTitlePadding - image_size.width() - |
| kDownloadPadding); |
| int next_x = show_link_only ? kLeftPadding : |
| max_download_x + kDownloadPadding; |
| // Align vertically with show_all_view_. |
| arrow_image_->SetBounds(next_x, |
| CenterPosition(image_size.height(), height()), |
| image_size.width(), image_size.height()); |
| next_x += image_size.width() + kDownloadsTitlePadding; |
| show_all_view_->SetBounds(next_x, |
| CenterPosition(show_all_size.height(), height()), |
| show_all_size.width(), |
| show_all_size.height()); |
| next_x += show_all_size.width() + kCloseAndLinkPadding; |
| // If the window is maximized, we want to expand the hitbox of the close |
| // button to the right and bottom to make it easier to click. |
| bool is_maximized = browser_->window()->IsMaximized(); |
| int y = CenterPosition(close_button_size.height(), height()); |
| close_button_->SetBounds(next_x, y, |
| is_maximized ? width() - next_x : close_button_size.width(), |
| is_maximized ? height() - y : close_button_size.height()); |
| if (show_link_only) { |
| // Let's hide all the items. |
| std::vector<DownloadItemView*>::reverse_iterator ri; |
| for (ri = download_views_.rbegin(); ri != download_views_.rend(); ++ri) |
| (*ri)->SetVisible(false); |
| return; |
| } |
| |
| next_x = kLeftPadding; |
| std::vector<DownloadItemView*>::reverse_iterator ri; |
| for (ri = download_views_.rbegin(); ri != download_views_.rend(); ++ri) { |
| gfx::Size view_size = (*ri)->GetPreferredSize(); |
| |
| int x = next_x; |
| |
| // Figure out width of item. |
| int item_width = view_size.width(); |
| if (new_item_animation_->is_animating() && ri == download_views_.rbegin()) { |
| item_width = static_cast<int>(static_cast<double>(view_size.width()) * |
| new_item_animation_->GetCurrentValue()); |
| } |
| |
| next_x += item_width; |
| |
| // Make sure our item can be contained within the shelf. |
| if (next_x < max_download_x) { |
| (*ri)->SetVisible(true); |
| (*ri)->SetBounds(x, CenterPosition(view_size.height(), height()), |
| item_width, view_size.height()); |
| } else { |
| (*ri)->SetVisible(false); |
| } |
| } |
| } |
| |
| void DownloadShelfView::ViewHierarchyChanged( |
| const ViewHierarchyChangedDetails& details) { |
| View::ViewHierarchyChanged(details); |
| |
| if (details.is_add && (details.child == this)) { |
| ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); |
| arrow_image_ = new views::ImageView(); |
| arrow_image_->SetImage(rb.GetImageSkiaNamed(IDR_DOWNLOADS_FAVICON)); |
| AddChildView(arrow_image_); |
| |
| show_all_view_ = new views::Link( |
| l10n_util::GetStringUTF16(IDS_SHOW_ALL_DOWNLOADS)); |
| show_all_view_->set_listener(this); |
| AddChildView(show_all_view_); |
| |
| close_button_ = new views::ImageButton(this); |
| close_button_->SetImage(views::CustomButton::STATE_NORMAL, |
| rb.GetImageSkiaNamed(IDR_CLOSE_1)); |
| close_button_->SetImage(views::CustomButton::STATE_HOVERED, |
| rb.GetImageSkiaNamed(IDR_CLOSE_1_H)); |
| close_button_->SetImage(views::CustomButton::STATE_PRESSED, |
| rb.GetImageSkiaNamed(IDR_CLOSE_1_P)); |
| close_button_->SetAccessibleName( |
| l10n_util::GetStringUTF16(IDS_ACCNAME_CLOSE)); |
| AddChildView(close_button_); |
| |
| UpdateColorsFromTheme(); |
| |
| new_item_animation_.reset(new gfx::SlideAnimation(this)); |
| new_item_animation_->SetSlideDuration(kNewItemAnimationDurationMs); |
| |
| shelf_animation_.reset(new gfx::SlideAnimation(this)); |
| shelf_animation_->SetSlideDuration(kShelfAnimationDurationMs); |
| } |
| } |
| |
| bool DownloadShelfView::CanFitFirstDownloadItem() { |
| if (download_views_.empty()) |
| return true; |
| |
| gfx::Size image_size = arrow_image_->GetPreferredSize(); |
| gfx::Size close_button_size = close_button_->GetPreferredSize(); |
| gfx::Size show_all_size = show_all_view_->GetPreferredSize(); |
| |
| // Let's compute the width available for download items, which is the width |
| // of the shelf minus the "Show all downloads" link, arrow and close button |
| // and the padding. |
| int available_width = width() - kRightPadding - close_button_size.width() - |
| kCloseAndLinkPadding - show_all_size.width() - kDownloadsTitlePadding - |
| image_size.width() - kDownloadPadding - kLeftPadding; |
| if (available_width <= 0) |
| return false; |
| |
| gfx::Size item_size = (*download_views_.rbegin())->GetPreferredSize(); |
| return item_size.width() < available_width; |
| } |
| |
| void DownloadShelfView::UpdateColorsFromTheme() { |
| if (show_all_view_ && close_button_ && GetThemeProvider()) { |
| ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); |
| set_background(views::Background::CreateSolidBackground( |
| GetThemeProvider()->GetColor(ThemeProperties::COLOR_TOOLBAR))); |
| show_all_view_->SetBackgroundColor(background()->get_color()); |
| show_all_view_->SetEnabledColor( |
| GetThemeProvider()->GetColor(ThemeProperties::COLOR_BOOKMARK_TEXT)); |
| close_button_->SetBackground( |
| GetThemeProvider()->GetColor(ThemeProperties::COLOR_TAB_TEXT), |
| rb.GetImageSkiaNamed(IDR_CLOSE_1), |
| rb.GetImageSkiaNamed(IDR_CLOSE_1_MASK)); |
| } |
| } |
| |
| void DownloadShelfView::OnThemeChanged() { |
| UpdateColorsFromTheme(); |
| } |
| |
| void DownloadShelfView::LinkClicked(views::Link* source, int event_flags) { |
| chrome::ShowDownloads(browser_); |
| } |
| |
| void DownloadShelfView::ButtonPressed( |
| views::Button* button, const ui::Event& event) { |
| Close(USER_ACTION); |
| } |
| |
| bool DownloadShelfView::IsShowing() const { |
| return shelf_animation_->IsShowing(); |
| } |
| |
| bool DownloadShelfView::IsClosing() const { |
| return shelf_animation_->IsClosing(); |
| } |
| |
| void DownloadShelfView::DoShow() { |
| shelf_animation_->Show(); |
| } |
| |
| void DownloadShelfView::DoClose(CloseReason reason) { |
| int num_in_progress = 0; |
| for (size_t i = 0; i < download_views_.size(); ++i) { |
| if (download_views_[i]->download()->GetState() == DownloadItem::IN_PROGRESS) |
| ++num_in_progress; |
| } |
| RecordDownloadShelfClose( |
| download_views_.size(), num_in_progress, reason == AUTOMATIC); |
| parent_->SetDownloadShelfVisible(false); |
| shelf_animation_->Hide(); |
| } |
| |
| Browser* DownloadShelfView::browser() const { |
| return browser_; |
| } |
| |
| void DownloadShelfView::Closed() { |
| // Don't remove completed downloads if the shelf is just being auto-hidden |
| // rather than explicitly closed by the user. |
| if (is_hidden()) |
| return; |
| // When the close animation is complete, remove all completed downloads. |
| size_t i = 0; |
| while (i < download_views_.size()) { |
| DownloadItem* download = download_views_[i]->download(); |
| DownloadItem::DownloadState state = download->GetState(); |
| bool is_transfer_done = state == DownloadItem::COMPLETE || |
| state == DownloadItem::CANCELLED || |
| state == DownloadItem::INTERRUPTED; |
| if (is_transfer_done && !download->IsDangerous()) { |
| RemoveDownloadView(download_views_[i]); |
| } else { |
| // Treat the item as opened when we close. This way if we get shown again |
| // the user need not open this item for the shelf to auto-close. |
| download->SetOpened(true); |
| ++i; |
| } |
| } |
| } |
| |
| bool DownloadShelfView::CanAutoClose() { |
| for (size_t i = 0; i < download_views_.size(); ++i) { |
| if (!download_views_[i]->download()->GetOpened()) |
| return false; |
| } |
| return true; |
| } |