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// Copyright (c) 2009 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/gtk/find_bar_gtk.h"
#include <gdk/gdkkeysyms.h>
#include "base/gfx/gtk_util.h"
#include "base/string_util.h"
#include "chrome/browser/find_bar_controller.h"
#include "chrome/browser/gtk/browser_window_gtk.h"
#include "chrome/browser/gtk/custom_button.h"
#include "chrome/browser/gtk/tab_contents_container_gtk.h"
#include "chrome/browser/tab_contents/web_contents.h"
#include "chrome/common/gtk_util.h"
#include "chrome/common/l10n_util.h"
#include "grit/generated_resources.h"
namespace {
const GdkColor kBackgroundColor = GDK_COLOR_RGB(0xe6, 0xed, 0xf4);
const GdkColor kBorderColor = GDK_COLOR_RGB(0xbe, 0xc8, 0xd4);
// Padding around the container.
const int kBarPadding = 4;
gboolean EntryContentsChanged(GtkWindow* window, FindBarGtk* find_bar) {
find_bar->ContentsChanged();
return FALSE;
}
gboolean KeyPressEvent(GtkWindow* window, GdkEventKey* event,
FindBarGtk* find_bar) {
if (GDK_Escape == event->keyval) {
find_bar->EscapePressed();
return TRUE;
}
return FALSE;
}
}
FindBarGtk::FindBarGtk(BrowserWindowGtk* browser) {
InitWidgets();
// Insert the widget into the browser gtk hierarchy.
browser->AddFindBar(container_.get());
// Hook up signals after the widget has been added to the hierarchy so the
// widget will be realized.
g_signal_connect(G_OBJECT(find_text_), "changed",
G_CALLBACK(EntryContentsChanged), this);
g_signal_connect(G_OBJECT(find_text_), "key-press-event",
G_CALLBACK(KeyPressEvent), this);
}
FindBarGtk::~FindBarGtk() {
container_.Destroy();
}
void FindBarGtk::InitWidgets() {
// The find bar is basically an hbox with a gtkentry (text box) followed by 3
// buttons (previous result, next result, close). We wrap the hbox in a gtk
// alignment and a gtk event box to get the padding and light blue
// background.
GtkWidget* hbox = gtk_hbox_new(false, 0);
container_.Own(gfx::CreateGtkBorderBin(hbox, &kBackgroundColor, kBarPadding,
kBarPadding, kBarPadding, kBarPadding));
close_button_.reset(CustomDrawButton::AddBarCloseButton(hbox));
g_signal_connect(G_OBJECT(close_button_->widget()), "clicked",
G_CALLBACK(OnButtonPressed), this);
gtk_widget_set_tooltip_text(close_button_->widget(),
l10n_util::GetStringUTF8(IDS_FIND_IN_PAGE_CLOSE_TOOLTIP).c_str());
find_next_button_.reset(new CustomDrawButton(IDR_FINDINPAGE_NEXT,
IDR_FINDINPAGE_NEXT_H, IDR_FINDINPAGE_NEXT_H, IDR_FINDINPAGE_NEXT_P));
g_signal_connect(G_OBJECT(find_next_button_->widget()), "clicked",
G_CALLBACK(OnButtonPressed), this);
gtk_widget_set_tooltip_text(find_next_button_->widget(),
l10n_util::GetStringUTF8(IDS_FIND_IN_PAGE_NEXT_TOOLTIP).c_str());
gtk_box_pack_end(GTK_BOX(hbox), find_next_button_->widget(),
FALSE, FALSE, 0);
find_previous_button_.reset(new CustomDrawButton(IDR_FINDINPAGE_PREV,
IDR_FINDINPAGE_PREV_H, IDR_FINDINPAGE_PREV_H, IDR_FINDINPAGE_PREV_P));
g_signal_connect(G_OBJECT(find_previous_button_->widget()), "clicked",
G_CALLBACK(OnButtonPressed), this);
gtk_widget_set_tooltip_text(find_previous_button_->widget(),
l10n_util::GetStringUTF8(IDS_FIND_IN_PAGE_PREVIOUS_TOOLTIP).c_str());
gtk_box_pack_end(GTK_BOX(hbox), find_previous_button_->widget(),
FALSE, FALSE, 0);
find_text_ = gtk_entry_new();
// Force the text widget height so it lines up with the buttons regardless of
// font size.
gtk_widget_set_size_request(find_text_, -1, 20);
gtk_entry_set_has_frame(GTK_ENTRY(find_text_), FALSE);
GtkWidget* border_bin = gfx::CreateGtkBorderBin(find_text_, &kBorderColor,
1, 1, 1, 0);
GtkWidget* centering_vbox = gtk_vbox_new(FALSE, 0);
gtk_box_pack_start(GTK_BOX(centering_vbox), border_bin, TRUE, FALSE, 0);
gtk_box_pack_end(GTK_BOX(hbox), centering_vbox, FALSE, FALSE, 0);
}
void FindBarGtk::Show() {
// TODO(tc): This should be an animated slide in.
gtk_widget_show_all(container_.get());
gtk_widget_grab_focus(find_text_);
}
void FindBarGtk::Hide(bool animate) {
// TODO(tc): Animated slide away.
gtk_widget_hide(container_.get());
}
void FindBarGtk::SetFocusAndSelection() {
gtk_widget_grab_focus(find_text_);
// Select all the text.
gtk_entry_select_region(GTK_ENTRY(find_text_), 0, -1);
}
void FindBarGtk::ClearResults(const FindNotificationDetails& results) {
}
void FindBarGtk::StopAnimation() {
// No animation yet, so do nothing.
}
void FindBarGtk::MoveWindowIfNecessary(const gfx::Rect& selection_rect,
bool no_redraw) {
// Not moving the window on demand, so do nothing.
}
void FindBarGtk::SetFindText(const string16& find_text) {
std::string find_text_utf8 = UTF16ToUTF8(find_text);
gtk_entry_set_text(GTK_ENTRY(find_text_), find_text_utf8.c_str());
}
void FindBarGtk::UpdateUIForFindResult(const FindNotificationDetails& result,
const string16& find_text) {
}
gfx::Rect FindBarGtk::GetDialogPosition(gfx::Rect avoid_overlapping_rect) {
return gfx::Rect();
}
void FindBarGtk::SetDialogPosition(const gfx::Rect& new_pos, bool no_redraw) {
if (!IsFindBarVisible())
Show(); // TODO(tc): This should be a no animation show.
}
bool FindBarGtk::IsFindBarVisible() {
return GTK_WIDGET_VISIBLE(container_.get());
}
void FindBarGtk::RestoreSavedFocus() {
}
FindBarTesting* FindBarGtk::GetFindBarTesting() {
return this;
}
bool FindBarGtk::GetFindBarWindowInfo(gfx::Point* position,
bool* fully_visible) {
NOTIMPLEMENTED();
return false;
}
void FindBarGtk::ContentsChanged() {
WebContents* web_contents = find_bar_controller_->web_contents();
if (!web_contents)
return;
std::string new_contents(gtk_entry_get_text(GTK_ENTRY(find_text_)));
if (new_contents.length() > 0) {
web_contents->StartFinding(UTF8ToUTF16(new_contents), true);
} else {
// The textbox is empty so we reset.
web_contents->StopFinding(true); // true = clear selection on page.
}
}
void FindBarGtk::EscapePressed() {
find_bar_controller_->EndFindSession();
}
// static
void FindBarGtk::OnButtonPressed(GtkWidget* button, FindBarGtk* find_bar) {
if (button == find_bar->close_button_->widget()) {
find_bar->find_bar_controller_->EndFindSession();
} else if (button == find_bar->find_previous_button_->widget() ||
button == find_bar->find_next_button_->widget()) {
std::string find_text_utf8(
gtk_entry_get_text(GTK_ENTRY(find_bar->find_text_)));
find_bar->find_bar_controller_->web_contents()->StartFinding(
UTF8ToUTF16(find_text_utf8),
button == find_bar->find_next_button_->widget());
} else {
NOTREACHED();
}
}
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