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// Copyright (c) 2010 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/views/reload_button.h"
#include "app/l10n_util.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/views/event_utils.h"
#include "chrome/browser/views/location_bar/location_bar_view.h"
#include "grit/generated_resources.h"
////////////////////////////////////////////////////////////////////////////////
// ReloadButton, public:
ReloadButton::ReloadButton(LocationBarView* location_bar, Browser* browser)
: ALLOW_THIS_IN_INITIALIZER_LIST(ToggleImageButton(this)),
location_bar_(location_bar),
browser_(browser),
intended_mode_(MODE_RELOAD),
visible_mode_(MODE_RELOAD),
double_click_timer_delay_(
base::TimeDelta::FromMilliseconds(GetDoubleClickTimeMS())),
stop_to_reload_timer_delay_(base::TimeDelta::FromMilliseconds(1350)),
testing_mouse_hovered_(false),
testing_reload_count_(0) {
}
ReloadButton::~ReloadButton() {
}
void ReloadButton::ChangeMode(Mode mode, bool force) {
intended_mode_ = mode;
// If the change is forced, or the user isn't hovering the icon, or it's safe
// to change it to the other image type, make the change immediately;
// otherwise we'll let it happen later.
if (force || (!IsMouseHovered() && !testing_mouse_hovered_) ||
((mode == MODE_STOP) ?
!double_click_timer_.IsRunning() : (visible_mode_ != MODE_STOP))) {
double_click_timer_.Stop();
stop_to_reload_timer_.Stop();
SetToggled(mode == MODE_STOP);
visible_mode_ = mode;
SetEnabled(true);
// We want to disable the button if we're preventing a change from stop to
// reload due to hovering, but not if we're preventing a change from reload to
// stop due to the double-click timer running. (There is no disabled reload
// state.)
} else if (visible_mode_ != MODE_RELOAD) {
SetEnabled(false);
// Go ahead and change to reload after a bit, which allows repeated reloads
// without moving the mouse.
if (!stop_to_reload_timer_.IsRunning()) {
stop_to_reload_timer_.Start(stop_to_reload_timer_delay_, this,
&ReloadButton::OnStopToReloadTimer);
}
}
}
////////////////////////////////////////////////////////////////////////////////
// ReloadButton, views::ButtonListener implementation:
void ReloadButton::ButtonPressed(views::Button* /* button */,
const views::Event& event) {
if (visible_mode_ == MODE_STOP) {
if (browser_)
browser_->Stop();
// The user has clicked, so we can feel free to update the button,
// even if the mouse is still hovering.
ChangeMode(MODE_RELOAD, true);
} else if (!double_click_timer_.IsRunning()) {
// Shift-clicking or ctrl-clicking the reload button means we should ignore
// any cached content.
// TODO(avayvod): eliminate duplication of this logic in
// CompactLocationBarView.
int command;
int flags = mouse_event_flags();
if (event.IsShiftDown() || event.IsControlDown()) {
command = IDC_RELOAD_IGNORING_CACHE;
// Mask off Shift and Control so they don't affect the disposition below.
flags &= ~(views::Event::EF_SHIFT_DOWN | views::Event::EF_CONTROL_DOWN);
} else {
command = IDC_RELOAD;
}
WindowOpenDisposition disposition =
event_utils::DispositionFromEventFlags(flags);
if ((disposition == CURRENT_TAB) && location_bar_) {
// Forcibly reset the location bar, since otherwise it won't discard any
// ongoing user edits, since it doesn't realize this is a user-initiated
// action.
location_bar_->Revert();
}
// Start a timer - while this timer is running, the reload button cannot be
// changed to a stop button. We do not set |intended_mode_| to MODE_STOP
// here as the browser will do that when it actually starts loading (which
// may happen synchronously, thus the need to do this before telling the
// browser to execute the reload command).
double_click_timer_.Start(double_click_timer_delay_, this,
&ReloadButton::OnDoubleClickTimer);
if (browser_)
browser_->ExecuteCommandWithDisposition(command, disposition);
++testing_reload_count_;
}
}
////////////////////////////////////////////////////////////////////////////////
// ReloadButton, View overrides:
void ReloadButton::OnMouseExited(const views::MouseEvent& e) {
ChangeMode(intended_mode_, true);
if (state() != BS_DISABLED)
SetState(BS_NORMAL);
}
bool ReloadButton::GetTooltipText(const gfx::Point& p, std::wstring* tooltip) {
tooltip->assign(l10n_util::GetString((visible_mode_ == MODE_RELOAD) ?
IDS_TOOLTIP_RELOAD : IDS_TOOLTIP_STOP));
return true;
}
////////////////////////////////////////////////////////////////////////////////
// ReloadButton, private:
void ReloadButton::OnDoubleClickTimer() {
ChangeMode(intended_mode_, false);
}
void ReloadButton::OnStopToReloadTimer() {
ChangeMode(intended_mode_, true);
}
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