| // 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/find_bar_view.h" |
| |
| #include <algorithm> |
| |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/themes/theme_properties.h" |
| #include "chrome/browser/ui/find_bar/find_bar_controller.h" |
| #include "chrome/browser/ui/find_bar/find_bar_state.h" |
| #include "chrome/browser/ui/find_bar/find_bar_state_factory.h" |
| #include "chrome/browser/ui/find_bar/find_notification_details.h" |
| #include "chrome/browser/ui/find_bar/find_tab_helper.h" |
| #include "chrome/browser/ui/view_ids.h" |
| #include "chrome/browser/ui/views/find_bar_host.h" |
| #include "chrome/browser/ui/views/frame/browser_view.h" |
| #include "grit/generated_resources.h" |
| #include "grit/theme_resources.h" |
| #include "grit/ui_resources.h" |
| #include "third_party/skia/include/core/SkPaint.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/base/resource/resource_bundle.h" |
| #include "ui/base/theme_provider.h" |
| #include "ui/events/event.h" |
| #include "ui/gfx/canvas.h" |
| #include "ui/views/border.h" |
| #include "ui/views/controls/button/image_button.h" |
| #include "ui/views/controls/label.h" |
| #include "ui/views/ime/input_method.h" |
| #include "ui/views/painter.h" |
| #include "ui/views/widget/widget.h" |
| |
| namespace { |
| |
| // The margins around the search field, match count label, and the close button. |
| const int kMarginLeftOfCloseButton = 3; |
| const int kMarginRightOfCloseButton = 7; |
| const int kMarginLeftOfMatchCountLabel = 2; |
| const int kMarginRightOfMatchCountLabel = 1; |
| const int kMarginLeftOfFindTextfield = 12; |
| |
| // The margins around the match count label (We add extra space so that the |
| // background highlight extends beyond just the text). |
| const int kMatchCountExtraWidth = 9; |
| |
| // Minimum width for the match count label. |
| const int kMatchCountMinWidth = 30; |
| |
| // The text color for the match count label. |
| const SkColor kTextColorMatchCount = SkColorSetRGB(178, 178, 178); |
| |
| // The text color for the match count label when no matches are found. |
| const SkColor kTextColorNoMatch = SK_ColorBLACK; |
| |
| // The background color of the match count label when results are found. |
| const SkColor kBackgroundColorMatch = SkColorSetARGB(0, 255, 255, 255); |
| |
| // The background color of the match count label when no results are found. |
| const SkColor kBackgroundColorNoMatch = SkColorSetRGB(255, 102, 102); |
| |
| // The default number of average characters that the text box will be. This |
| // number brings the width on a "regular fonts" system to about 300px. |
| const int kDefaultCharWidth = 43; |
| |
| } // namespace |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // FindBarView, public: |
| |
| FindBarView::FindBarView(FindBarHost* host) |
| : DropdownBarView(host), |
| find_text_(NULL), |
| match_count_text_(NULL), |
| focus_forwarder_view_(NULL), |
| find_previous_button_(NULL), |
| find_next_button_(NULL), |
| close_button_(NULL) { |
| ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); |
| |
| find_text_ = new views::Textfield; |
| find_text_->set_id(VIEW_ID_FIND_IN_PAGE_TEXT_FIELD); |
| find_text_->set_default_width_in_chars(kDefaultCharWidth); |
| find_text_->set_controller(this); |
| find_text_->SetAccessibleName(l10n_util::GetStringUTF16(IDS_ACCNAME_FIND)); |
| // The find bar textfield has a background image instead of a border. |
| find_text_->SetBorder(views::Border::NullBorder()); |
| AddChildView(find_text_); |
| |
| match_count_text_ = new views::Label(); |
| AddChildView(match_count_text_); |
| |
| // Create a focus forwarder view which sends focus to find_text_. |
| focus_forwarder_view_ = new FocusForwarderView(find_text_); |
| AddChildView(focus_forwarder_view_); |
| |
| find_previous_button_ = new views::ImageButton(this); |
| find_previous_button_->set_tag(FIND_PREVIOUS_TAG); |
| find_previous_button_->SetFocusable(true); |
| find_previous_button_->SetImage(views::CustomButton::STATE_NORMAL, |
| rb.GetImageSkiaNamed(IDR_FINDINPAGE_PREV)); |
| find_previous_button_->SetImage(views::CustomButton::STATE_HOVERED, |
| rb.GetImageSkiaNamed(IDR_FINDINPAGE_PREV_H)); |
| find_previous_button_->SetImage(views::CustomButton::STATE_PRESSED, |
| rb.GetImageSkiaNamed(IDR_FINDINPAGE_PREV_P)); |
| find_previous_button_->SetImage(views::CustomButton::STATE_DISABLED, |
| rb.GetImageSkiaNamed(IDR_FINDINPAGE_PREV_D)); |
| find_previous_button_->SetTooltipText( |
| l10n_util::GetStringUTF16(IDS_FIND_IN_PAGE_PREVIOUS_TOOLTIP)); |
| find_previous_button_->SetAccessibleName( |
| l10n_util::GetStringUTF16(IDS_ACCNAME_PREVIOUS)); |
| AddChildView(find_previous_button_); |
| |
| find_next_button_ = new views::ImageButton(this); |
| find_next_button_->set_tag(FIND_NEXT_TAG); |
| find_next_button_->SetFocusable(true); |
| find_next_button_->SetImage(views::CustomButton::STATE_NORMAL, |
| rb.GetImageSkiaNamed(IDR_FINDINPAGE_NEXT)); |
| find_next_button_->SetImage(views::CustomButton::STATE_HOVERED, |
| rb.GetImageSkiaNamed(IDR_FINDINPAGE_NEXT_H)); |
| find_next_button_->SetImage(views::CustomButton::STATE_PRESSED, |
| rb.GetImageSkiaNamed(IDR_FINDINPAGE_NEXT_P)); |
| find_next_button_->SetImage(views::CustomButton::STATE_DISABLED, |
| rb.GetImageSkiaNamed(IDR_FINDINPAGE_NEXT_D)); |
| find_next_button_->SetTooltipText( |
| l10n_util::GetStringUTF16(IDS_FIND_IN_PAGE_NEXT_TOOLTIP)); |
| find_next_button_->SetAccessibleName( |
| l10n_util::GetStringUTF16(IDS_ACCNAME_NEXT)); |
| AddChildView(find_next_button_); |
| |
| close_button_ = new views::ImageButton(this); |
| close_button_->set_tag(CLOSE_TAG); |
| close_button_->SetFocusable(true); |
| 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_->SetTooltipText( |
| l10n_util::GetStringUTF16(IDS_FIND_IN_PAGE_CLOSE_TOOLTIP)); |
| close_button_->SetAccessibleName( |
| l10n_util::GetStringUTF16(IDS_ACCNAME_CLOSE)); |
| close_button_->SetAnimationDuration(0); |
| AddChildView(close_button_); |
| |
| SetBackground(rb.GetImageSkiaNamed(IDR_FIND_DLG_LEFT_BACKGROUND), |
| rb.GetImageSkiaNamed(IDR_FIND_DLG_RIGHT_BACKGROUND)); |
| |
| SetBorderFromIds( |
| IDR_FIND_DIALOG_LEFT, IDR_FIND_DIALOG_MIDDLE, IDR_FIND_DIALOG_RIGHT); |
| |
| preferred_height_ = rb.GetImageSkiaNamed(IDR_FIND_DIALOG_MIDDLE)->height(); |
| |
| static const int kImages[] = IMAGE_GRID(IDR_TEXTFIELD); |
| find_text_border_.reset(views::Painter::CreateImageGridPainter(kImages)); |
| |
| EnableCanvasFlippingForRTLUI(true); |
| } |
| |
| FindBarView::~FindBarView() { |
| } |
| |
| void FindBarView::SetFindTextAndSelectedRange( |
| const base::string16& find_text, |
| const gfx::Range& selected_range) { |
| find_text_->SetText(find_text); |
| find_text_->SelectRange(selected_range); |
| } |
| |
| base::string16 FindBarView::GetFindText() const { |
| return find_text_->text(); |
| } |
| |
| gfx::Range FindBarView::GetSelectedRange() const { |
| return find_text_->GetSelectedRange(); |
| } |
| |
| base::string16 FindBarView::GetFindSelectedText() const { |
| return find_text_->GetSelectedText(); |
| } |
| |
| base::string16 FindBarView::GetMatchCountText() const { |
| return match_count_text_->text(); |
| } |
| |
| void FindBarView::UpdateForResult(const FindNotificationDetails& result, |
| const base::string16& find_text) { |
| bool have_valid_range = |
| result.number_of_matches() != -1 && result.active_match_ordinal() != -1; |
| |
| // http://crbug.com/34970: some IMEs get confused if we change the text |
| // composed by them. To avoid this problem, we should check the IME status and |
| // update the text only when the IME is not composing text. |
| if (find_text_->text() != find_text && !find_text_->IsIMEComposing()) { |
| find_text_->SetText(find_text); |
| find_text_->SelectAll(true); |
| } |
| |
| if (find_text.empty() || !have_valid_range) { |
| // If there was no text entered, we don't show anything in the result count |
| // area. |
| ClearMatchCount(); |
| return; |
| } |
| |
| match_count_text_->SetText(l10n_util::GetStringFUTF16(IDS_FIND_IN_PAGE_COUNT, |
| base::IntToString16(result.active_match_ordinal()), |
| base::IntToString16(result.number_of_matches()))); |
| |
| UpdateMatchCountAppearance(result.number_of_matches() == 0 && |
| result.final_update()); |
| |
| // The match_count label may have increased/decreased in size so we need to |
| // do a layout and repaint the dialog so that the find text field doesn't |
| // partially overlap the match-count label when it increases on no matches. |
| Layout(); |
| SchedulePaint(); |
| } |
| |
| void FindBarView::ClearMatchCount() { |
| match_count_text_->SetText(base::string16()); |
| UpdateMatchCountAppearance(false); |
| Layout(); |
| SchedulePaint(); |
| } |
| |
| void FindBarView::SetFocusAndSelection(bool select_all) { |
| find_text_->RequestFocus(); |
| GetInputMethod()->ShowImeIfNeeded(); |
| if (select_all && !find_text_->text().empty()) |
| find_text_->SelectAll(true); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // FindBarView, views::View overrides: |
| |
| void FindBarView::OnPaint(gfx::Canvas* canvas) { |
| // Paint drop down bar border and background. |
| DropdownBarView::OnPaint(canvas); |
| |
| // Paint the background and border for the textfield. |
| const int find_text_x = kMarginLeftOfFindTextfield / 2; |
| const gfx::Rect text_bounds(find_text_x, find_next_button_->y(), |
| find_next_button_->bounds().right() - find_text_x, |
| find_next_button_->height()); |
| const int kBorderCornerRadius = 2; |
| gfx::Rect background_bounds = text_bounds; |
| background_bounds.Inset(kBorderCornerRadius, kBorderCornerRadius); |
| SkPaint paint; |
| paint.setStyle(SkPaint::kFill_Style); |
| paint.setColor(find_text_->GetBackgroundColor()); |
| canvas->DrawRoundRect(background_bounds, kBorderCornerRadius, paint); |
| canvas->Save(); |
| canvas->ClipRect(gfx::Rect(0, 0, find_previous_button_->x(), height())); |
| views::Painter::PaintPainterAt(canvas, find_text_border_.get(), text_bounds); |
| canvas->Restore(); |
| |
| // Draw the background of the match text. We want to make sure the red |
| // "no-match" background almost completely fills up the amount of vertical |
| // space within the text box. We therefore fix the size relative to the button |
| // heights. We use the FindPrev button, which has a 1px outer whitespace |
| // margin, 1px border and we want to appear 1px below the border line so we |
| // subtract 3 for top and 3 for bottom. |
| gfx::Rect match_count_background_bounds(match_count_text_->bounds()); |
| match_count_background_bounds.set_height( |
| find_previous_button_->height() - 6); // Subtract 3px x 2. |
| match_count_background_bounds.set_y( |
| (height() - match_count_background_bounds.height()) / 2); |
| canvas->FillRect(match_count_background_bounds, |
| match_count_text_->background_color()); |
| } |
| |
| void FindBarView::Layout() { |
| int panel_width = GetPreferredSize().width(); |
| |
| // Stay within view bounds. |
| int view_width = width(); |
| if (view_width && view_width < panel_width) |
| panel_width = view_width; |
| |
| // First we draw the close button on the far right. |
| gfx::Size sz = close_button_->GetPreferredSize(); |
| close_button_->SetBounds(panel_width - sz.width() - |
| kMarginRightOfCloseButton, |
| (height() - sz.height()) / 2, |
| sz.width(), |
| sz.height()); |
| // Set the color. |
| OnThemeChanged(); |
| |
| // Next, the FindNext button to the left the close button. |
| sz = find_next_button_->GetPreferredSize(); |
| find_next_button_->SetBounds(close_button_->x() - |
| find_next_button_->width() - |
| kMarginLeftOfCloseButton, |
| (height() - sz.height()) / 2, |
| sz.width(), |
| sz.height()); |
| |
| // Then, the FindPrevious button to the left the FindNext button. |
| sz = find_previous_button_->GetPreferredSize(); |
| find_previous_button_->SetBounds(find_next_button_->x() - |
| find_previous_button_->width(), |
| (height() - sz.height()) / 2, |
| sz.width(), |
| sz.height()); |
| |
| // Then the label showing the match count number. |
| sz = match_count_text_->GetPreferredSize(); |
| // We extend the label bounds a bit to give the background highlighting a bit |
| // of breathing room (margins around the text). |
| sz.Enlarge(kMatchCountExtraWidth, 0); |
| sz.SetToMax(gfx::Size(kMatchCountMinWidth, 0)); |
| int match_count_x = |
| find_previous_button_->x() - kMarginRightOfMatchCountLabel - sz.width(); |
| int find_text_y = (height() - find_text_->GetPreferredSize().height()) / 2; |
| match_count_text_->SetBounds(match_count_x, |
| find_text_y + find_text_->GetBaseline() - |
| match_count_text_->GetBaseline(), |
| sz.width(), sz.height()); |
| |
| // And whatever space is left in between, gets filled up by the find edit box. |
| int find_text_width = std::max(0, match_count_x - |
| kMarginLeftOfMatchCountLabel - kMarginLeftOfFindTextfield); |
| find_text_->SetBounds(kMarginLeftOfFindTextfield, find_text_y, |
| find_text_width, find_text_->GetPreferredSize().height()); |
| |
| // The focus forwarder view is a hidden view that should cover the area |
| // between the find text box and the find button so that when the user clicks |
| // in that area we focus on the find text box. |
| int find_text_edge = find_text_->x() + find_text_->width(); |
| focus_forwarder_view_->SetBounds( |
| find_text_edge, find_previous_button_->y(), |
| find_previous_button_->x() - find_text_edge, |
| find_previous_button_->height()); |
| } |
| |
| gfx::Size FindBarView::GetPreferredSize() const { |
| gfx::Size prefsize = find_text_->GetPreferredSize(); |
| prefsize.set_height(preferred_height_); |
| |
| // Add up all the preferred sizes and margins of the rest of the controls. |
| prefsize.Enlarge(kMarginLeftOfCloseButton + kMarginRightOfCloseButton + |
| kMarginLeftOfFindTextfield, |
| 0); |
| prefsize.Enlarge(find_previous_button_->GetPreferredSize().width(), 0); |
| prefsize.Enlarge(find_next_button_->GetPreferredSize().width(), 0); |
| prefsize.Enlarge(close_button_->GetPreferredSize().width(), 0); |
| return prefsize; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // FindBarView, views::ButtonListener implementation: |
| |
| void FindBarView::ButtonPressed( |
| views::Button* sender, const ui::Event& event) { |
| switch (sender->tag()) { |
| case FIND_PREVIOUS_TAG: |
| case FIND_NEXT_TAG: |
| if (!find_text_->text().empty()) { |
| FindTabHelper* find_tab_helper = FindTabHelper::FromWebContents( |
| find_bar_host()->GetFindBarController()->web_contents()); |
| find_tab_helper->StartFinding(find_text_->text(), |
| sender->tag() == FIND_NEXT_TAG, |
| false); // Not case sensitive. |
| } |
| if (event.IsMouseEvent()) { |
| // If mouse event, we move the focus back to the text-field, so that the |
| // user doesn't have to click on the text field to change the search. We |
| // don't want to do this for keyboard clicks on the button, since the |
| // user is more likely to press FindNext again than change the search |
| // query. |
| find_text_->RequestFocus(); |
| } |
| break; |
| case CLOSE_TAG: |
| find_bar_host()->GetFindBarController()->EndFindSession( |
| FindBarController::kKeepSelectionOnPage, |
| FindBarController::kKeepResultsInFindBox); |
| break; |
| default: |
| NOTREACHED() << L"Unknown button"; |
| break; |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| // FindBarView, views::TextfieldController implementation: |
| |
| bool FindBarView::HandleKeyEvent(views::Textfield* sender, |
| const ui::KeyEvent& key_event) { |
| // If the dialog is not visible, there is no reason to process keyboard input. |
| if (!host()->IsVisible()) |
| return false; |
| |
| if (find_bar_host()->MaybeForwardKeyEventToWebpage(key_event)) |
| return true; // Handled, we are done! |
| |
| if (key_event.key_code() == ui::VKEY_RETURN) { |
| // Pressing Return/Enter starts the search (unless text box is empty). |
| base::string16 find_string = find_text_->text(); |
| if (!find_string.empty()) { |
| FindBarController* controller = find_bar_host()->GetFindBarController(); |
| FindTabHelper* find_tab_helper = |
| FindTabHelper::FromWebContents(controller->web_contents()); |
| // Search forwards for enter, backwards for shift-enter. |
| find_tab_helper->StartFinding(find_string, |
| !key_event.IsShiftDown(), |
| false); // Not case sensitive. |
| } |
| return true; |
| } |
| |
| return false; |
| } |
| |
| void FindBarView::OnAfterUserAction(views::Textfield* sender) { |
| // The composition text wouldn't be what the user is really looking for. |
| // We delay the search until the user commits the composition text. |
| if (!sender->IsIMEComposing() && sender->text() != last_searched_text_) |
| Find(sender->text()); |
| } |
| |
| void FindBarView::OnAfterPaste() { |
| // Clear the last search text so we always search for the user input after |
| // a paste operation, even if the pasted text is the same as before. |
| // See http://crbug.com/79002 |
| last_searched_text_.clear(); |
| } |
| |
| void FindBarView::Find(const base::string16& search_text) { |
| FindBarController* controller = find_bar_host()->GetFindBarController(); |
| DCHECK(controller); |
| content::WebContents* web_contents = controller->web_contents(); |
| // We must guard against a NULL web_contents, which can happen if the text |
| // in the Find box is changed right after the tab is destroyed. Otherwise, it |
| // can lead to crashes, as exposed by automation testing in issue 8048. |
| if (!web_contents) |
| return; |
| FindTabHelper* find_tab_helper = FindTabHelper::FromWebContents(web_contents); |
| |
| last_searched_text_ = search_text; |
| |
| // When the user changes something in the text box we check the contents and |
| // if the textbox contains something we set it as the new search string and |
| // initiate search (even though old searches might be in progress). |
| if (!search_text.empty()) { |
| // The last two params here are forward (true) and case sensitive (false). |
| find_tab_helper->StartFinding(search_text, true, false); |
| } else { |
| find_tab_helper->StopFinding(FindBarController::kClearSelectionOnPage); |
| UpdateForResult(find_tab_helper->find_result(), base::string16()); |
| find_bar_host()->MoveWindowIfNecessary(gfx::Rect(), false); |
| |
| // Clearing the text box should clear the prepopulate state so that when |
| // we close and reopen the Find box it doesn't show the search we just |
| // deleted. We can't do this on ChromeOS yet because we get ContentsChanged |
| // sent for a lot more things than just the user nulling out the search |
| // terms. See http://crbug.com/45372. |
| Profile* profile = |
| Profile::FromBrowserContext(web_contents->GetBrowserContext()); |
| FindBarState* find_bar_state = FindBarStateFactory::GetForProfile(profile); |
| find_bar_state->set_last_prepopulate_text(base::string16()); |
| } |
| } |
| |
| void FindBarView::UpdateMatchCountAppearance(bool no_match) { |
| if (no_match) { |
| match_count_text_->SetBackgroundColor(kBackgroundColorNoMatch); |
| match_count_text_->SetEnabledColor(kTextColorNoMatch); |
| } else { |
| match_count_text_->SetBackgroundColor(kBackgroundColorMatch); |
| match_count_text_->SetEnabledColor(kTextColorMatchCount); |
| } |
| } |
| |
| bool FindBarView::FocusForwarderView::OnMousePressed( |
| const ui::MouseEvent& event) { |
| if (view_to_focus_on_mousedown_) |
| view_to_focus_on_mousedown_->RequestFocus(); |
| return true; |
| } |
| |
| FindBarHost* FindBarView::find_bar_host() const { |
| return static_cast<FindBarHost*>(host()); |
| } |
| |
| void FindBarView::OnThemeChanged() { |
| ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); |
| if (GetThemeProvider()) { |
| close_button_->SetBackground( |
| GetThemeProvider()->GetColor(ThemeProperties::COLOR_TAB_TEXT), |
| rb.GetImageSkiaNamed(IDR_CLOSE_1), |
| rb.GetImageSkiaNamed(IDR_CLOSE_1_MASK)); |
| } |
| } |