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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/automation/ui_controls.h"
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include "base/gfx/rect.h"
#include "base/logging.h"
#include "base/message_loop.h"
#include "chrome/common/gtk_util.h"
#include "chrome/test/automation/automation_constants.h"
namespace {
guint32 EventTimeNow() {
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
}
class EventWaiter : public MessageLoopForUI::Observer {
public:
EventWaiter(Task* task, GdkEventType type) : task_(task), type_(type) {
MessageLoopForUI::current()->AddObserver(this);
}
virtual ~EventWaiter() {
MessageLoopForUI::current()->RemoveObserver(this);
}
// MessageLoop::Observer implementation:
virtual void WillProcessEvent(GdkEvent* event) {
// No-op.
}
virtual void DidProcessEvent(GdkEvent* event) {
if (event->any.type == type_) {
task_->Run();
delete this;
}
}
private:
scoped_ptr<Task> task_;
GdkEventType type_;
};
class ClickTask : public Task {
public:
ClickTask(ui_controls::MouseButton button, int state, Task* followup)
: button_(button), state_(state), followup_(followup) {
}
virtual ~ClickTask() {}
virtual void Run() {
ui_controls::SendMouseEventsNotifyWhenDone(button_, state_, followup_);
}
private:
ui_controls::MouseButton button_;
int state_;
Task* followup_;
};
} // namespace
namespace ui_controls {
bool SendKeyPress(gfx::NativeWindow window,
wchar_t key, bool control, bool shift, bool alt) {
// TODO(estade): send a release as well?
GdkEvent* event = gdk_event_new(GDK_KEY_PRESS);
event->key.type = GDK_KEY_PRESS;
event->key.window = GTK_WIDGET(window)->window;
g_object_ref(event->key.window);
event->key.send_event = false;
event->key.time = EventTimeNow();
// TODO(estade): handle other state flags besides control, shift, alt?
// For example caps lock.
event->key.state = (control ? GDK_CONTROL_MASK : 0) |
(shift ? GDK_SHIFT_MASK : 0) |
(alt ? GDK_MOD1_MASK : 0);
event->key.keyval = key;
// TODO(estade): fill in the string?
GdkKeymapKey* keys;
gint n_keys;
if (!gdk_keymap_get_entries_for_keyval(gdk_keymap_get_default(),
event->key.keyval, &keys, &n_keys)) {
return false;
}
event->key.hardware_keycode = keys[0].keycode;
event->key.group = keys[0].group;
g_free(keys);
gdk_event_put(event);
// gdk_event_put appends a copy of the event.
gdk_event_free(event);
return true;
}
bool SendKeyPressNotifyWhenDone(gfx::NativeWindow window, wchar_t key,
bool control, bool shift,
bool alt, Task* task) {
// This object will delete itself after running |task|.
new EventWaiter(task, GDK_KEY_PRESS);
return SendKeyPress(window, key, control, shift, alt);
}
bool SendMouseMove(long x, long y) {
gdk_display_warp_pointer(gdk_display_get_default(), gdk_screen_get_default(),
x, y);
return true;
}
bool SendMouseMoveNotifyWhenDone(long x, long y, Task* task) {
bool rv = SendMouseMove(x, y);
// We can't rely on any particular event signalling the completion of the
// mouse move. Posting the task to the message loop should gaurantee
// the pointer has moved before task is run (although it may not run it as
// soon as it could).
MessageLoop::current()->PostTask(FROM_HERE, task);
return rv;
}
bool SendMouseEvents(MouseButton type, int state) {
GdkEvent* event = gdk_event_new(GDK_BUTTON_PRESS);
event->button.send_event = false;
event->button.time = EventTimeNow();
gint x, y;
event->button.window = gdk_window_at_pointer(&x, &y);
g_object_ref(event->button.window);
event->motion.x = x;
event->motion.y = y;
gint origin_x, origin_y;
gdk_window_get_origin(event->button.window, &origin_x, &origin_y);
event->button.x_root = x + origin_x;
event->button.y_root = y + origin_y;
event->button.axes = NULL;
// TODO(estade): as above, we may want to pack this with the actual state.
event->button.state = 0;
event->button.button = type == LEFT ? 1 : (type == MIDDLE ? 2 : 3);
event->button.device = gdk_device_get_core_pointer();
event->button.type = GDK_BUTTON_PRESS;
if (state & DOWN)
gdk_event_put(event);
// Also send a release event.
GdkEvent* release_event = gdk_event_copy(event);
release_event->button.type = GDK_BUTTON_RELEASE;
release_event->button.time++;
if (state & UP)
gdk_event_put(release_event);
gdk_event_free(event);
gdk_event_free(release_event);
return false;
}
bool SendMouseEventsNotifyWhenDone(MouseButton type, int state, Task* task) {
bool rv = SendMouseEvents(type, state);
MessageLoop::current()->PostTask(FROM_HERE, task);
return rv;
}
bool SendMouseClick(MouseButton type) {
return SendMouseEvents(type, UP | DOWN);
}
void MoveMouseToCenterAndPress(GtkWidget* widget,
MouseButton button,
int state,
Task* task) {
gfx::Rect bounds = gtk_util::GetWidgetScreenBounds(widget);
SendMouseMoveNotifyWhenDone(bounds.x() + bounds.width() / 2,
bounds.y() + bounds.height() / 2,
new ClickTask(button, state, task));
}
} // namespace ui_controls
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