| // Copyright (c) 2011 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/renderer_host/render_widget_host_view_gtk.h" |
| |
| // If this gets included after the gtk headers, then a bunch of compiler |
| // errors happen because of a "#define Status int" in Xlib.h, which interacts |
| // badly with net::URLRequestStatus::Status. |
| #include "chrome/common/render_messages.h" |
| #include "content/common/view_messages.h" |
| |
| #include <cairo/cairo.h> |
| #include <gdk/gdk.h> |
| #include <gdk/gdkkeysyms.h> |
| #include <gdk/gdkx.h> |
| #include <gtk/gtk.h> |
| |
| #include <algorithm> |
| #include <string> |
| |
| #include "base/command_line.h" |
| #include "base/logging.h" |
| #include "base/message_loop.h" |
| #include "base/metrics/histogram.h" |
| #include "base/string_number_conversions.h" |
| #include "base/time.h" |
| #include "base/utf_string_conversions.h" |
| #include "chrome/browser/renderer_host/gtk_im_context_wrapper.h" |
| #include "chrome/browser/renderer_host/gtk_key_bindings_handler.h" |
| #include "chrome/browser/ui/gtk/gtk_util.h" |
| #include "chrome/common/chrome_switches.h" |
| #include "content/browser/renderer_host/backing_store_x.h" |
| #include "content/browser/renderer_host/render_view_host.h" |
| #include "content/browser/renderer_host/render_view_host_delegate.h" |
| #include "content/browser/renderer_host/render_widget_host.h" |
| #include "content/common/native_web_keyboard_event.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/gtk/WebInputEventFactory.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/base/x/x11_util.h" |
| #include "ui/gfx/gtk_preserve_window.h" |
| #include "ui/gfx/gtk_native_view_id_manager.h" |
| #include "webkit/glue/webaccessibility.h" |
| #include "webkit/glue/webcursor_gtk_data.h" |
| #include "webkit/plugins/npapi/webplugin.h" |
| |
| #if defined(OS_CHROMEOS) |
| #include "views/widget/tooltip_window_gtk.h" |
| #endif // defined(OS_CHROMEOS) |
| |
| namespace { |
| |
| const int kMaxWindowWidth = 4000; |
| const int kMaxWindowHeight = 4000; |
| const char* kRenderWidgetHostViewKey = "__RENDER_WIDGET_HOST_VIEW__"; |
| |
| // The duration of the fade-out animation. See |overlay_animation_|. |
| const int kFadeEffectDuration = 300; |
| |
| #if defined(OS_CHROMEOS) |
| // TODO(davemoore) Under Chromeos we are increasing the rate that the trackpad |
| // generates events to get better precisions. Eventually we will coordinate the |
| // driver and this setting to ensure they match. |
| const float kDefaultScrollPixelsPerTick = 20; |
| #else |
| // See WebInputEventFactor.cpp for a reason for this being the default |
| // scroll size for linux. |
| const float kDefaultScrollPixelsPerTick = 160.0f / 3.0f; |
| #endif |
| |
| // Returns the spinning cursor used for loading state. |
| GdkCursor* GetMozSpinningCursor() { |
| static GdkCursor* moz_spinning_cursor = NULL; |
| if (!moz_spinning_cursor) { |
| const GdkColor fg = { 0, 0, 0, 0 }; |
| const GdkColor bg = { 65535, 65535, 65535, 65535 }; |
| GdkPixmap* source = |
| gdk_bitmap_create_from_data(NULL, moz_spinning_bits, 32, 32); |
| GdkPixmap* mask = |
| gdk_bitmap_create_from_data(NULL, moz_spinning_mask_bits, 32, 32); |
| moz_spinning_cursor = |
| gdk_cursor_new_from_pixmap(source, mask, &fg, &bg, 2, 2); |
| g_object_unref(source); |
| g_object_unref(mask); |
| } |
| return moz_spinning_cursor; |
| } |
| |
| } // namespace |
| |
| using WebKit::WebInputEventFactory; |
| using WebKit::WebMouseWheelEvent; |
| |
| // This class is a simple convenience wrapper for Gtk functions. It has only |
| // static methods. |
| class RenderWidgetHostViewGtkWidget { |
| public: |
| static GtkWidget* CreateNewWidget(RenderWidgetHostViewGtk* host_view) { |
| GtkWidget* widget = gtk_preserve_window_new(); |
| gtk_widget_set_name(widget, "chrome-render-widget-host-view"); |
| // We manually double-buffer in Paint() because Paint() may or may not be |
| // called in repsonse to an "expose-event" signal. |
| gtk_widget_set_double_buffered(widget, FALSE); |
| gtk_widget_set_redraw_on_allocate(widget, FALSE); |
| #if defined(NDEBUG) |
| gtk_widget_modify_bg(widget, GTK_STATE_NORMAL, >k_util::kGdkWhite); |
| #else |
| gtk_widget_modify_bg(widget, GTK_STATE_NORMAL, >k_util::kGdkGreen); |
| #endif |
| // Allow the browser window to be resized freely. |
| gtk_widget_set_size_request(widget, 0, 0); |
| |
| gtk_widget_add_events(widget, GDK_EXPOSURE_MASK | |
| GDK_POINTER_MOTION_MASK | |
| GDK_BUTTON_PRESS_MASK | |
| GDK_BUTTON_RELEASE_MASK | |
| GDK_KEY_PRESS_MASK | |
| GDK_KEY_RELEASE_MASK | |
| GDK_FOCUS_CHANGE_MASK | |
| GDK_ENTER_NOTIFY_MASK | |
| GDK_LEAVE_NOTIFY_MASK); |
| GTK_WIDGET_SET_FLAGS(widget, GTK_CAN_FOCUS); |
| |
| g_signal_connect(widget, "expose-event", |
| G_CALLBACK(OnExposeEvent), host_view); |
| g_signal_connect(widget, "key-press-event", |
| G_CALLBACK(OnKeyPressReleaseEvent), host_view); |
| g_signal_connect(widget, "key-release-event", |
| G_CALLBACK(OnKeyPressReleaseEvent), host_view); |
| g_signal_connect(widget, "focus-in-event", |
| G_CALLBACK(OnFocusIn), host_view); |
| g_signal_connect(widget, "focus-out-event", |
| G_CALLBACK(OnFocusOut), host_view); |
| g_signal_connect(widget, "grab-notify", |
| G_CALLBACK(OnGrabNotify), host_view); |
| g_signal_connect(widget, "button-press-event", |
| G_CALLBACK(OnButtonPressReleaseEvent), host_view); |
| g_signal_connect(widget, "button-release-event", |
| G_CALLBACK(OnButtonPressReleaseEvent), host_view); |
| g_signal_connect(widget, "motion-notify-event", |
| G_CALLBACK(OnMouseMoveEvent), host_view); |
| g_signal_connect(widget, "enter-notify-event", |
| G_CALLBACK(OnCrossingEvent), host_view); |
| g_signal_connect(widget, "leave-notify-event", |
| G_CALLBACK(OnCrossingEvent), host_view); |
| g_signal_connect(widget, "client-event", |
| G_CALLBACK(OnClientEvent), host_view); |
| |
| |
| // Connect after so that we are called after the handler installed by the |
| // TabContentsView which handles zoom events. |
| g_signal_connect_after(widget, "scroll-event", |
| G_CALLBACK(OnMouseScrollEvent), host_view); |
| |
| g_object_set_data(G_OBJECT(widget), kRenderWidgetHostViewKey, |
| static_cast<RenderWidgetHostView*>(host_view)); |
| |
| return widget; |
| } |
| |
| private: |
| static gboolean OnExposeEvent(GtkWidget* widget, |
| GdkEventExpose* expose, |
| RenderWidgetHostViewGtk* host_view) { |
| if (host_view->is_hidden_) |
| return FALSE; |
| const gfx::Rect damage_rect(expose->area); |
| host_view->Paint(damage_rect); |
| return FALSE; |
| } |
| |
| static gboolean OnKeyPressReleaseEvent(GtkWidget* widget, |
| GdkEventKey* event, |
| RenderWidgetHostViewGtk* host_view) { |
| // Force popups or fullscreen windows to close on Escape so they won't keep |
| // the keyboard grabbed or be stuck onscreen if the renderer is hanging. |
| bool should_close_on_escape = |
| (host_view->IsPopup() && host_view->NeedsInputGrab()) || |
| host_view->is_fullscreen_; |
| if (should_close_on_escape && GDK_Escape == event->keyval) { |
| host_view->host_->Shutdown(); |
| } else { |
| // Send key event to input method. |
| host_view->im_context_->ProcessKeyEvent(event); |
| } |
| |
| // We return TRUE because we did handle the event. If it turns out webkit |
| // can't handle the event, we'll deal with it in |
| // RenderView::UnhandledKeyboardEvent(). |
| return TRUE; |
| } |
| |
| static gboolean OnFocusIn(GtkWidget* widget, |
| GdkEventFocus* focus, |
| RenderWidgetHostViewGtk* host_view) { |
| host_view->ShowCurrentCursor(); |
| host_view->GetRenderWidgetHost()->GotFocus(); |
| |
| // The only way to enable a GtkIMContext object is to call its focus in |
| // handler. |
| host_view->im_context_->OnFocusIn(); |
| |
| return TRUE; |
| } |
| |
| static gboolean OnFocusOut(GtkWidget* widget, |
| GdkEventFocus* focus, |
| RenderWidgetHostViewGtk* host_view) { |
| // Whenever we lose focus, set the cursor back to that of our parent window, |
| // which should be the default arrow. |
| gdk_window_set_cursor(widget->window, NULL); |
| // If we are showing a context menu, maintain the illusion that webkit has |
| // focus. |
| if (!host_view->is_showing_context_menu_) |
| host_view->GetRenderWidgetHost()->Blur(); |
| |
| // Prevents us from stealing input context focus in OnGrabNotify() handler. |
| host_view->was_focused_before_grab_ = false; |
| |
| // Disable the GtkIMContext object. |
| host_view->im_context_->OnFocusOut(); |
| |
| return TRUE; |
| } |
| |
| // Called when we are shadowed or unshadowed by a keyboard grab (which will |
| // occur for activatable popups, such as dropdown menus). Popup windows do not |
| // take focus, so we never get a focus out or focus in event when they are |
| // shown, and must rely on this signal instead. |
| static void OnGrabNotify(GtkWidget* widget, gboolean was_grabbed, |
| RenderWidgetHostViewGtk* host_view) { |
| if (was_grabbed) { |
| if (host_view->was_focused_before_grab_) |
| host_view->im_context_->OnFocusIn(); |
| } else { |
| host_view->was_focused_before_grab_ = host_view->HasFocus(); |
| if (host_view->was_focused_before_grab_) { |
| gdk_window_set_cursor(widget->window, NULL); |
| host_view->im_context_->OnFocusOut(); |
| } |
| } |
| } |
| |
| static gboolean OnButtonPressReleaseEvent( |
| GtkWidget* widget, |
| GdkEventButton* event, |
| RenderWidgetHostViewGtk* host_view) { |
| #if defined (OS_CHROMEOS) |
| // We support buttons 8 & 9 for scrolling with an attached USB mouse |
| // in ChromeOS. We do this separately from the builtin scrolling support |
| // because we want to support the user's expectations about the amount |
| // scrolled on each event. xorg.conf on chromeos specifies buttons |
| // 8 & 9 for the scroll wheel for the attached USB mouse. |
| if (event->type == GDK_BUTTON_RELEASE && |
| (event->button == 8 || event->button == 9)) { |
| GdkEventScroll scroll_event; |
| scroll_event.type = GDK_SCROLL; |
| scroll_event.window = event->window; |
| scroll_event.send_event = event->send_event; |
| scroll_event.time = event->time; |
| scroll_event.x = event->x; |
| scroll_event.y = event->y; |
| scroll_event.state = event->state; |
| if (event->state & GDK_SHIFT_MASK) { |
| scroll_event.direction = |
| event->button == 8 ? GDK_SCROLL_LEFT : GDK_SCROLL_RIGHT; |
| } else { |
| scroll_event.direction = |
| event->button == 8 ? GDK_SCROLL_UP : GDK_SCROLL_DOWN; |
| } |
| scroll_event.device = event->device; |
| scroll_event.x_root = event->x_root; |
| scroll_event.y_root = event->y_root; |
| WebMouseWheelEvent web_event = |
| WebInputEventFactory::mouseWheelEvent(&scroll_event); |
| host_view->GetRenderWidgetHost()->ForwardWheelEvent(web_event); |
| } |
| #endif |
| |
| if (event->type != GDK_BUTTON_RELEASE) |
| host_view->set_last_mouse_down(event); |
| |
| if (!(event->button == 1 || event->button == 2 || event->button == 3)) |
| return FALSE; // We do not forward any other buttons to the renderer. |
| if (event->type == GDK_2BUTTON_PRESS || event->type == GDK_3BUTTON_PRESS) |
| return FALSE; |
| |
| // If we don't have focus already, this mouse click will focus us. |
| if (!gtk_widget_is_focus(widget)) |
| host_view->host_->OnMouseActivate(); |
| |
| // Confirm existing composition text on mouse click events, to make sure |
| // the input caret won't be moved with an ongoing composition session. |
| host_view->im_context_->ConfirmComposition(); |
| |
| // We want to translate the coordinates of events that do not originate |
| // from this widget to be relative to the top left of the widget. |
| GtkWidget* event_widget = gtk_get_event_widget( |
| reinterpret_cast<GdkEvent*>(event)); |
| if (event_widget != widget) { |
| int x = 0; |
| int y = 0; |
| gtk_widget_get_pointer(widget, &x, &y); |
| // If the mouse event happens outside our popup, force the popup to |
| // close. We do this so a hung renderer doesn't prevent us from |
| // releasing the x pointer grab. |
| bool click_in_popup = x >= 0 && y >= 0 && x < widget->allocation.width && |
| y < widget->allocation.height; |
| // Only Shutdown on mouse downs. Mouse ups can occur outside the render |
| // view if the user drags for DnD or while using the scrollbar on a select |
| // dropdown. Don't shutdown if we are not a popup. |
| if (event->type != GDK_BUTTON_RELEASE && host_view->IsPopup() && |
| !host_view->is_popup_first_mouse_release_ && !click_in_popup) { |
| host_view->host_->Shutdown(); |
| return FALSE; |
| } |
| event->x = x; |
| event->y = y; |
| } |
| |
| // TODO(evanm): why is this necessary here but not in test shell? |
| // This logic is the same as GtkButton. |
| if (event->type == GDK_BUTTON_PRESS && !GTK_WIDGET_HAS_FOCUS(widget)) |
| gtk_widget_grab_focus(widget); |
| |
| host_view->is_popup_first_mouse_release_ = false; |
| host_view->GetRenderWidgetHost()->ForwardMouseEvent( |
| WebInputEventFactory::mouseEvent(event)); |
| |
| // Although we did handle the mouse event, we need to let other handlers |
| // run (in particular the one installed by TabContentsViewGtk). |
| return FALSE; |
| } |
| |
| static gboolean OnMouseMoveEvent(GtkWidget* widget, |
| GdkEventMotion* event, |
| RenderWidgetHostViewGtk* host_view) { |
| // We want to translate the coordinates of events that do not originate |
| // from this widget to be relative to the top left of the widget. |
| GtkWidget* event_widget = gtk_get_event_widget( |
| reinterpret_cast<GdkEvent*>(event)); |
| if (event_widget != widget) { |
| int x = 0; |
| int y = 0; |
| gtk_widget_get_pointer(widget, &x, &y); |
| event->x = x; |
| event->y = y; |
| } |
| |
| host_view->ModifyEventForEdgeDragging(widget, event); |
| host_view->GetRenderWidgetHost()->ForwardMouseEvent( |
| WebInputEventFactory::mouseEvent(event)); |
| return FALSE; |
| } |
| |
| static gboolean OnCrossingEvent(GtkWidget* widget, |
| GdkEventCrossing* event, |
| RenderWidgetHostViewGtk* host_view) { |
| const int any_button_mask = |
| GDK_BUTTON1_MASK | |
| GDK_BUTTON2_MASK | |
| GDK_BUTTON3_MASK | |
| GDK_BUTTON4_MASK | |
| GDK_BUTTON5_MASK; |
| |
| // Only forward crossing events if the mouse button is not down. |
| // (When the mouse button is down, the proper events are already being |
| // sent by ButtonPressReleaseEvent and MouseMoveEvent, above, and if we |
| // additionally send this crossing event with the state indicating the |
| // button is down, it causes problems with drag and drop in WebKit.) |
| if (!(event->state & any_button_mask)) { |
| host_view->GetRenderWidgetHost()->ForwardMouseEvent( |
| WebInputEventFactory::mouseEvent(event)); |
| } |
| |
| return FALSE; |
| } |
| |
| static gboolean OnClientEvent(GtkWidget* widget, |
| GdkEventClient* event, |
| RenderWidgetHostViewGtk* host_view) { |
| VLOG(1) << "client event type: " << event->message_type |
| << " data_format: " << event->data_format |
| << " data: " << event->data.l; |
| return TRUE; |
| } |
| |
| // Allow the vertical scroll delta to be overridden from the command line. |
| // This will allow us to test more easily to discover the amount |
| // (either hard coded or computed) that's best. |
| static float GetScrollPixelsPerTick() { |
| static float scroll_pixels = -1; |
| if (scroll_pixels < 0) { |
| // TODO(brettw): Remove the command line switch (crbug.com/63525) |
| scroll_pixels = kDefaultScrollPixelsPerTick; |
| CommandLine* command_line = CommandLine::ForCurrentProcess(); |
| std::string scroll_pixels_option = |
| command_line->GetSwitchValueASCII(switches::kScrollPixels); |
| if (!scroll_pixels_option.empty()) { |
| double v; |
| if (base::StringToDouble(scroll_pixels_option, &v)) |
| scroll_pixels = static_cast<float>(v); |
| } |
| DCHECK_GT(scroll_pixels, 0); |
| } |
| return scroll_pixels; |
| } |
| |
| // Return the net up / down (or left / right) distance represented by events |
| // in the events will be removed from the queue. We only look at the top of |
| // queue...any other type of event will cause us not to look farther. |
| // If there is a change to the set of modifier keys or scroll axis |
| // in the events we will stop looking as well. |
| static int GetPendingScrollDelta(bool vert, guint current_event_state) { |
| int num_clicks = 0; |
| GdkEvent* event; |
| bool event_coalesced = true; |
| while ((event = gdk_event_get()) && event_coalesced) { |
| event_coalesced = false; |
| if (event->type == GDK_SCROLL) { |
| GdkEventScroll scroll = event->scroll; |
| if (scroll.state & GDK_SHIFT_MASK) { |
| if (scroll.direction == GDK_SCROLL_UP) |
| scroll.direction = GDK_SCROLL_LEFT; |
| else if (scroll.direction == GDK_SCROLL_DOWN) |
| scroll.direction = GDK_SCROLL_RIGHT; |
| } |
| if (vert) { |
| if (scroll.direction == GDK_SCROLL_UP || |
| scroll.direction == GDK_SCROLL_DOWN) { |
| if (scroll.state == current_event_state) { |
| num_clicks += (scroll.direction == GDK_SCROLL_UP ? 1 : -1); |
| gdk_event_free(event); |
| event_coalesced = true; |
| } |
| } |
| } else { |
| if (scroll.direction == GDK_SCROLL_LEFT || |
| scroll.direction == GDK_SCROLL_RIGHT) { |
| if (scroll.state == current_event_state) { |
| num_clicks += (scroll.direction == GDK_SCROLL_LEFT ? 1 : -1); |
| gdk_event_free(event); |
| event_coalesced = true; |
| } |
| } |
| } |
| } |
| } |
| // If we have an event left we put it back on the queue. |
| if (event) { |
| gdk_event_put(event); |
| gdk_event_free(event); |
| } |
| return num_clicks * GetScrollPixelsPerTick(); |
| } |
| |
| static gboolean OnMouseScrollEvent(GtkWidget* widget, |
| GdkEventScroll* event, |
| RenderWidgetHostViewGtk* host_view) { |
| // If the user is holding shift, translate it into a horizontal scroll. We |
| // don't care what other modifiers the user may be holding (zooming is |
| // handled at the TabContentsView level). |
| if (event->state & GDK_SHIFT_MASK) { |
| if (event->direction == GDK_SCROLL_UP) |
| event->direction = GDK_SCROLL_LEFT; |
| else if (event->direction == GDK_SCROLL_DOWN) |
| event->direction = GDK_SCROLL_RIGHT; |
| } |
| |
| WebMouseWheelEvent web_event = WebInputEventFactory::mouseWheelEvent(event); |
| // We peek ahead at the top of the queue to look for additional pending |
| // scroll events. |
| if (event->direction == GDK_SCROLL_UP || |
| event->direction == GDK_SCROLL_DOWN) { |
| if (event->direction == GDK_SCROLL_UP) |
| web_event.deltaY = GetScrollPixelsPerTick(); |
| else |
| web_event.deltaY = -GetScrollPixelsPerTick(); |
| web_event.deltaY += GetPendingScrollDelta(true, event->state); |
| } else { |
| if (event->direction == GDK_SCROLL_LEFT) |
| web_event.deltaX = GetScrollPixelsPerTick(); |
| else |
| web_event.deltaX = -GetScrollPixelsPerTick(); |
| web_event.deltaX += GetPendingScrollDelta(false, event->state); |
| } |
| host_view->GetRenderWidgetHost()->ForwardWheelEvent(web_event); |
| return FALSE; |
| } |
| |
| DISALLOW_IMPLICIT_CONSTRUCTORS(RenderWidgetHostViewGtkWidget); |
| }; |
| |
| // static |
| RenderWidgetHostView* RenderWidgetHostView::CreateViewForWidget( |
| RenderWidgetHost* widget) { |
| return new RenderWidgetHostViewGtk(widget); |
| } |
| |
| RenderWidgetHostViewGtk::RenderWidgetHostViewGtk(RenderWidgetHost* widget_host) |
| : host_(widget_host), |
| about_to_validate_and_paint_(false), |
| is_hidden_(false), |
| is_loading_(false), |
| is_showing_context_menu_(false), |
| overlay_color_(0), |
| overlay_animation_(this), |
| parent_(NULL), |
| is_popup_first_mouse_release_(true), |
| was_focused_before_grab_(false), |
| do_x_grab_(false), |
| is_fullscreen_(false), |
| destroy_handler_id_(0), |
| dragged_at_horizontal_edge_(0), |
| dragged_at_vertical_edge_(0), |
| compositing_surface_(gfx::kNullPluginWindow), |
| last_mouse_down_(NULL) { |
| host_->set_view(this); |
| } |
| |
| RenderWidgetHostViewGtk::~RenderWidgetHostViewGtk() { |
| set_last_mouse_down(NULL); |
| view_.Destroy(); |
| } |
| |
| void RenderWidgetHostViewGtk::InitAsChild() { |
| DoSharedInit(); |
| overlay_animation_.SetDuration(kFadeEffectDuration); |
| overlay_animation_.SetSlideDuration(kFadeEffectDuration); |
| gtk_widget_show(view_.get()); |
| } |
| |
| void RenderWidgetHostViewGtk::InitAsPopup( |
| RenderWidgetHostView* parent_host_view, const gfx::Rect& pos) { |
| // If we aren't a popup, then |window| will be leaked. |
| DCHECK(IsPopup()); |
| |
| DoSharedInit(); |
| parent_ = parent_host_view->GetNativeView(); |
| GtkWindow* window = GTK_WINDOW(gtk_window_new(GTK_WINDOW_POPUP)); |
| gtk_container_add(GTK_CONTAINER(window), view_.get()); |
| DoPopupOrFullscreenInit(window, pos); |
| |
| // The underlying X window needs to be created and mapped by the above code |
| // before we can grab the input devices. |
| if (NeedsInputGrab()) { |
| // Grab all input for the app. If a click lands outside the bounds of the |
| // popup, WebKit will notice and destroy us. Before doing this we need |
| // to ensure that the the popup is added to the browser's window group, |
| // to allow for the grabs to work correctly. |
| gtk_window_group_add_window(gtk_window_get_group( |
| GTK_WINDOW(gtk_widget_get_toplevel(parent_))), window); |
| gtk_grab_add(view_.get()); |
| |
| // We need for the application to do an X grab as well. However if the app |
| // already has an X grab (as in the case of extension popup), an app grab |
| // will suffice. |
| do_x_grab_ = !gdk_pointer_is_grabbed(); |
| |
| // Now grab all of X's input. |
| if (do_x_grab_) { |
| gdk_pointer_grab( |
| parent_->window, |
| TRUE, // Only events outside of the window are reported with respect |
| // to |parent_->window|. |
| static_cast<GdkEventMask>(GDK_BUTTON_PRESS_MASK | |
| GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK), |
| NULL, |
| NULL, |
| GDK_CURRENT_TIME); |
| // We grab keyboard events too so things like alt+tab are eaten. |
| gdk_keyboard_grab(parent_->window, TRUE, GDK_CURRENT_TIME); |
| } |
| } |
| } |
| |
| void RenderWidgetHostViewGtk::InitAsFullscreen() { |
| DoSharedInit(); |
| |
| is_fullscreen_ = true; |
| GtkWindow* window = GTK_WINDOW(gtk_window_new(GTK_WINDOW_TOPLEVEL)); |
| gtk_window_set_decorated(window, FALSE); |
| gtk_window_fullscreen(window); |
| g_signal_connect(GTK_WIDGET(window), |
| "window-state-event", |
| G_CALLBACK(&OnWindowStateEventThunk), |
| this); |
| destroy_handler_id_ = g_signal_connect(GTK_WIDGET(window), |
| "destroy", |
| G_CALLBACK(OnDestroyThunk), |
| this); |
| gtk_container_add(GTK_CONTAINER(window), view_.get()); |
| |
| // Try to move and resize the window to cover the screen in case the window |
| // manager doesn't support _NET_WM_STATE_FULLSCREEN. |
| GdkScreen* screen = gtk_window_get_screen(window); |
| gfx::Rect bounds( |
| 0, 0, gdk_screen_get_width(screen), gdk_screen_get_height(screen)); |
| DoPopupOrFullscreenInit(window, bounds); |
| } |
| |
| RenderWidgetHost* RenderWidgetHostViewGtk::GetRenderWidgetHost() const { |
| return host_; |
| } |
| |
| void RenderWidgetHostViewGtk::DidBecomeSelected() { |
| if (!is_hidden_) |
| return; |
| |
| if (tab_switch_paint_time_.is_null()) |
| tab_switch_paint_time_ = base::TimeTicks::Now(); |
| is_hidden_ = false; |
| host_->WasRestored(); |
| } |
| |
| void RenderWidgetHostViewGtk::WasHidden() { |
| if (is_hidden_) |
| return; |
| |
| // If we receive any more paint messages while we are hidden, we want to |
| // ignore them so we don't re-allocate the backing store. We will paint |
| // everything again when we become selected again. |
| is_hidden_ = true; |
| |
| // If we have a renderer, then inform it that we are being hidden so it can |
| // reduce its resource utilization. |
| GetRenderWidgetHost()->WasHidden(); |
| } |
| |
| void RenderWidgetHostViewGtk::SetSize(const gfx::Size& size) { |
| int width = std::min(size.width(), kMaxWindowWidth); |
| int height = std::min(size.height(), kMaxWindowHeight); |
| if (IsPopup()) { |
| // We're a popup, honor the size request. |
| gtk_widget_set_size_request(view_.get(), width, height); |
| } else { |
| #if defined(TOOLKIT_VIEWS) |
| // TOOLKIT_VIEWS' resize logic flow matches windows. so we go ahead and |
| // size the widget. In GTK+, the size of the widget is determined by its |
| // children. |
| gtk_widget_set_size_request(view_.get(), width, height); |
| #endif |
| } |
| |
| // Update the size of the RWH. |
| if (requested_size_.width() != width || |
| requested_size_.height() != height) { |
| requested_size_ = gfx::Size(width, height); |
| host_->WasResized(); |
| } |
| } |
| |
| void RenderWidgetHostViewGtk::SetBounds(const gfx::Rect& rect) { |
| // This is called when webkit has sent us a Move message. |
| if (IsPopup()) { |
| gtk_window_move(GTK_WINDOW(gtk_widget_get_toplevel(view_.get())), |
| rect.x(), rect.y()); |
| } |
| |
| SetSize(rect.size()); |
| } |
| |
| gfx::NativeView RenderWidgetHostViewGtk::GetNativeView() { |
| return view_.get(); |
| } |
| |
| void RenderWidgetHostViewGtk::MovePluginWindows( |
| const std::vector<webkit::npapi::WebPluginGeometry>& moves) { |
| for (size_t i = 0; i < moves.size(); ++i) { |
| plugin_container_manager_.MovePluginContainer(moves[i]); |
| } |
| } |
| |
| void RenderWidgetHostViewGtk::Focus() { |
| gtk_widget_grab_focus(view_.get()); |
| } |
| |
| void RenderWidgetHostViewGtk::Blur() { |
| // TODO(estade): We should be clearing native focus as well, but I know of no |
| // way to do that without focusing another widget. |
| host_->Blur(); |
| } |
| |
| bool RenderWidgetHostViewGtk::HasFocus() { |
| return gtk_widget_is_focus(view_.get()); |
| } |
| |
| void RenderWidgetHostViewGtk::Show() { |
| gtk_widget_show(view_.get()); |
| } |
| |
| void RenderWidgetHostViewGtk::Hide() { |
| gtk_widget_hide(view_.get()); |
| } |
| |
| bool RenderWidgetHostViewGtk::IsShowing() { |
| // TODO(jcivelli): use gtk_widget_get_visible once we build with GTK 2.18. |
| return (GTK_WIDGET_FLAGS(view_.get()) & GTK_VISIBLE) != 0; |
| } |
| |
| gfx::Rect RenderWidgetHostViewGtk::GetViewBounds() const { |
| GtkAllocation* alloc = &view_.get()->allocation; |
| return gfx::Rect(alloc->x, alloc->y, |
| requested_size_.width(), |
| requested_size_.height()); |
| } |
| |
| void RenderWidgetHostViewGtk::UpdateCursor(const WebCursor& cursor) { |
| // Optimize the common case, where the cursor hasn't changed. |
| // However, we can switch between different pixmaps, so only on the |
| // non-pixmap branch. |
| if (current_cursor_.GetCursorType() != GDK_CURSOR_IS_PIXMAP && |
| current_cursor_.GetCursorType() == cursor.GetCursorType()) { |
| return; |
| } |
| |
| current_cursor_ = cursor; |
| ShowCurrentCursor(); |
| } |
| |
| void RenderWidgetHostViewGtk::SetIsLoading(bool is_loading) { |
| is_loading_ = is_loading; |
| // Only call ShowCurrentCursor() when it will actually change the cursor. |
| if (current_cursor_.GetCursorType() == GDK_LAST_CURSOR) |
| ShowCurrentCursor(); |
| } |
| |
| void RenderWidgetHostViewGtk::ImeUpdateTextInputState( |
| WebKit::WebTextInputType type, |
| const gfx::Rect& caret_rect) { |
| im_context_->UpdateInputMethodState(type, caret_rect); |
| } |
| |
| void RenderWidgetHostViewGtk::ImeCancelComposition() { |
| im_context_->CancelComposition(); |
| } |
| |
| void RenderWidgetHostViewGtk::DidUpdateBackingStore( |
| const gfx::Rect& scroll_rect, int scroll_dx, int scroll_dy, |
| const std::vector<gfx::Rect>& copy_rects) { |
| if (is_hidden_) |
| return; |
| |
| // TODO(darin): Implement the equivalent of Win32's ScrollWindowEX. Can that |
| // be done using XCopyArea? Perhaps similar to |
| // BackingStore::ScrollBackingStore? |
| if (about_to_validate_and_paint_) |
| invalid_rect_ = invalid_rect_.Union(scroll_rect); |
| else |
| Paint(scroll_rect); |
| |
| for (size_t i = 0; i < copy_rects.size(); ++i) { |
| // Avoid double painting. NOTE: This is only relevant given the call to |
| // Paint(scroll_rect) above. |
| gfx::Rect rect = copy_rects[i].Subtract(scroll_rect); |
| if (rect.IsEmpty()) |
| continue; |
| |
| if (about_to_validate_and_paint_) |
| invalid_rect_ = invalid_rect_.Union(rect); |
| else |
| Paint(rect); |
| } |
| } |
| |
| void RenderWidgetHostViewGtk::RenderViewGone(base::TerminationStatus status, |
| int error_code) { |
| Destroy(); |
| plugin_container_manager_.set_host_widget(NULL); |
| } |
| |
| void RenderWidgetHostViewGtk::Destroy() { |
| if (compositing_surface_ != gfx::kNullPluginWindow) { |
| GtkNativeViewManager* manager = GtkNativeViewManager::GetInstance(); |
| manager->ReleasePermanentXID(compositing_surface_); |
| } |
| |
| if (do_x_grab_) { |
| // Undo the X grab. |
| GdkDisplay* display = gtk_widget_get_display(parent_); |
| gdk_display_pointer_ungrab(display, GDK_CURRENT_TIME); |
| gdk_display_keyboard_ungrab(display, GDK_CURRENT_TIME); |
| } |
| |
| // If this is a popup or fullscreen widget, then we need to destroy the window |
| // that we created to hold it. |
| if (IsPopup() || is_fullscreen_) { |
| GtkWidget* window = gtk_widget_get_parent(view_.get()); |
| |
| // Disconnect the destroy handler so that we don't try to shutdown twice. |
| if (is_fullscreen_) |
| g_signal_handler_disconnect(window, destroy_handler_id_); |
| |
| gtk_widget_destroy(window); |
| } |
| |
| // Remove |view_| from all containers now, so nothing else can hold a |
| // reference to |view_|'s widget except possibly a gtk signal handler if |
| // this code is currently executing within the context of a gtk signal |
| // handler. Note that |view_| is still alive after this call. It will be |
| // deallocated in the destructor. |
| // See http://www.crbug.com/11847 for details. |
| gtk_widget_destroy(view_.get()); |
| |
| // The RenderWidgetHost's destruction led here, so don't call it. |
| host_ = NULL; |
| |
| MessageLoop::current()->DeleteSoon(FROM_HERE, this); |
| } |
| |
| void RenderWidgetHostViewGtk::SetTooltipText(const std::wstring& tooltip_text) { |
| // Maximum number of characters we allow in a tooltip. |
| const int kMaxTooltipLength = 8 << 10; |
| // Clamp the tooltip length to kMaxTooltipLength so that we don't |
| // accidentally DOS the user with a mega tooltip (since GTK doesn't do |
| // this itself). |
| // I filed https://bugzilla.gnome.org/show_bug.cgi?id=604641 upstream. |
| const string16 clamped_tooltip = |
| l10n_util::TruncateString(WideToUTF16Hack(tooltip_text), |
| kMaxTooltipLength); |
| |
| if (clamped_tooltip.empty()) { |
| gtk_widget_set_has_tooltip(view_.get(), FALSE); |
| } else { |
| gtk_widget_set_tooltip_text(view_.get(), |
| UTF16ToUTF8(clamped_tooltip).c_str()); |
| #if defined(OS_CHROMEOS) |
| tooltip_window_->SetTooltipText(UTF16ToWideHack(clamped_tooltip)); |
| #endif // defined(OS_CHROMEOS) |
| } |
| } |
| |
| void RenderWidgetHostViewGtk::SelectionChanged(const std::string& text) { |
| if (!text.empty()) { |
| GtkClipboard* x_clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY); |
| gtk_clipboard_set_text(x_clipboard, text.c_str(), text.length()); |
| } |
| } |
| |
| void RenderWidgetHostViewGtk::ShowingContextMenu(bool showing) { |
| is_showing_context_menu_ = showing; |
| } |
| |
| #if !defined(TOOLKIT_VIEWS) |
| void RenderWidgetHostViewGtk::AppendInputMethodsContextMenu(MenuGtk* menu) { |
| im_context_->AppendInputMethodsContextMenu(menu); |
| } |
| #endif |
| |
| gboolean RenderWidgetHostViewGtk::OnWindowStateEvent( |
| GtkWidget* widget, |
| GdkEventWindowState* event) { |
| if (is_fullscreen_) { |
| // If a fullscreen widget got unfullscreened (e.g. by the window manager), |
| // close it. |
| bool unfullscreened = |
| (event->changed_mask & GDK_WINDOW_STATE_FULLSCREEN) && |
| !(event->new_window_state & GDK_WINDOW_STATE_FULLSCREEN); |
| if (unfullscreened) { |
| host_->Shutdown(); |
| return TRUE; |
| } |
| } |
| |
| return FALSE; |
| } |
| |
| void RenderWidgetHostViewGtk::OnDestroy(GtkWidget* widget) { |
| DCHECK(is_fullscreen_); |
| host_->Shutdown(); |
| } |
| |
| bool RenderWidgetHostViewGtk::NeedsInputGrab() { |
| return popup_type_ == WebKit::WebPopupTypeSelect; |
| } |
| |
| bool RenderWidgetHostViewGtk::IsPopup() const { |
| return popup_type_ != WebKit::WebPopupTypeNone; |
| } |
| |
| void RenderWidgetHostViewGtk::DoSharedInit() { |
| view_.Own(RenderWidgetHostViewGtkWidget::CreateNewWidget(this)); |
| im_context_.reset(new GtkIMContextWrapper(this)); |
| key_bindings_handler_.reset(new GtkKeyBindingsHandler(view_.get())); |
| plugin_container_manager_.set_host_widget(view_.get()); |
| #if defined(OS_CHROMEOS) |
| tooltip_window_.reset(new views::TooltipWindowGtk(view_.get())); |
| #endif |
| } |
| |
| void RenderWidgetHostViewGtk::DoPopupOrFullscreenInit(GtkWindow* window, |
| const gfx::Rect& bounds) { |
| requested_size_.SetSize(std::min(bounds.width(), kMaxWindowWidth), |
| std::min(bounds.height(), kMaxWindowHeight)); |
| host_->WasResized(); |
| |
| gtk_widget_set_size_request( |
| view_.get(), requested_size_.width(), requested_size_.height()); |
| |
| // Don't allow the window to be resized. This also forces the window to |
| // shrink down to the size of its child contents. |
| gtk_window_set_resizable(window, FALSE); |
| gtk_window_set_default_size(window, -1, -1); |
| gtk_window_move(window, bounds.x(), bounds.y()); |
| |
| gtk_widget_show_all(GTK_WIDGET(window)); |
| } |
| |
| BackingStore* RenderWidgetHostViewGtk::AllocBackingStore( |
| const gfx::Size& size) { |
| return new BackingStoreX(host_, size, |
| ui::GetVisualFromGtkWidget(view_.get()), |
| gtk_widget_get_visual(view_.get())->depth); |
| } |
| |
| void RenderWidgetHostViewGtk::SetBackground(const SkBitmap& background) { |
| RenderWidgetHostView::SetBackground(background); |
| host_->Send(new ViewMsg_SetBackground(host_->routing_id(), background)); |
| } |
| |
| void RenderWidgetHostViewGtk::ModifyEventForEdgeDragging( |
| GtkWidget* widget, GdkEventMotion* event) { |
| // If the widget is aligned with an edge of the monitor its on and the user |
| // attempts to drag past that edge we track the number of times it has |
| // occurred, so that we can force the widget to scroll when it otherwise |
| // would be unable to, by modifying the (x,y) position in the drag |
| // event that we forward on to webkit. If we get a move that's no longer a |
| // drag or a drag indicating the user is no longer at that edge we stop |
| // altering the drag events. |
| int new_dragged_at_horizontal_edge = 0; |
| int new_dragged_at_vertical_edge = 0; |
| // Used for checking the edges of the monitor. We cache the values to save |
| // roundtrips to the X server. |
| static gfx::Size drag_monitor_size; |
| if (event->state & GDK_BUTTON1_MASK) { |
| if (drag_monitor_size.IsEmpty()) { |
| // We can safely cache the monitor size for the duration of a drag. |
| GdkScreen* screen = gtk_widget_get_screen(widget); |
| int monitor = |
| gdk_screen_get_monitor_at_point(screen, event->x_root, event->y_root); |
| GdkRectangle geometry; |
| gdk_screen_get_monitor_geometry(screen, monitor, &geometry); |
| drag_monitor_size.SetSize(geometry.width, geometry.height); |
| } |
| |
| // Check X and Y independently, as the user could be dragging into a corner. |
| if (event->x == 0 && event->x_root == 0) { |
| new_dragged_at_horizontal_edge = dragged_at_horizontal_edge_ - 1; |
| } else if (widget->allocation.width - 1 == static_cast<gint>(event->x) && |
| drag_monitor_size.width() - 1 == static_cast<gint>(event->x_root)) { |
| new_dragged_at_horizontal_edge = dragged_at_horizontal_edge_ + 1; |
| } |
| |
| if (event->y == 0 && event->y_root == 0) { |
| new_dragged_at_vertical_edge = dragged_at_vertical_edge_ - 1; |
| } else if (widget->allocation.height - 1 == static_cast<gint>(event->y) && |
| drag_monitor_size.height() - 1 == static_cast<gint>(event->y_root)) { |
| new_dragged_at_vertical_edge = dragged_at_vertical_edge_ + 1; |
| } |
| |
| event->x_root += new_dragged_at_horizontal_edge; |
| event->x += new_dragged_at_horizontal_edge; |
| event->y_root += new_dragged_at_vertical_edge; |
| event->y += new_dragged_at_vertical_edge; |
| } else { |
| // Clear whenever we get a non-drag mouse move. |
| drag_monitor_size.SetSize(0, 0); |
| } |
| dragged_at_horizontal_edge_ = new_dragged_at_horizontal_edge; |
| dragged_at_vertical_edge_ = new_dragged_at_vertical_edge; |
| } |
| |
| void RenderWidgetHostViewGtk::Paint(const gfx::Rect& damage_rect) { |
| // If the GPU process is rendering directly into the View, |
| // call the compositor directly. |
| RenderWidgetHost* render_widget_host = GetRenderWidgetHost(); |
| if (render_widget_host->is_accelerated_compositing_active()) { |
| host_->ScheduleComposite(); |
| return; |
| } |
| |
| GdkWindow* window = view_.get()->window; |
| DCHECK(!about_to_validate_and_paint_); |
| |
| invalid_rect_ = damage_rect; |
| about_to_validate_and_paint_ = true; |
| BackingStoreX* backing_store = static_cast<BackingStoreX*>( |
| host_->GetBackingStore(true)); |
| // Calling GetBackingStore maybe have changed |invalid_rect_|... |
| about_to_validate_and_paint_ = false; |
| |
| gfx::Rect paint_rect = gfx::Rect(0, 0, kMaxWindowWidth, kMaxWindowHeight); |
| paint_rect = paint_rect.Intersect(invalid_rect_); |
| |
| if (backing_store) { |
| // Only render the widget if it is attached to a window; there's a short |
| // period where this object isn't attached to a window but hasn't been |
| // Destroy()ed yet and it receives paint messages... |
| if (window) { |
| if (SkColorGetA(overlay_color_) == 0) { |
| // In the common case, use XCopyArea. We don't draw more than once, so |
| // we don't need to double buffer. |
| backing_store->XShowRect(gfx::Point(0, 0), |
| paint_rect, ui::GetX11WindowFromGtkWidget(view_.get())); |
| } else { |
| // If the grey blend is showing, we make two drawing calls. Use double |
| // buffering to prevent flicker. Use CairoShowRect because XShowRect |
| // shortcuts GDK's double buffering. We won't be able to draw outside |
| // of |damage_rect|, so invalidate the difference between |paint_rect| |
| // and |damage_rect|. |
| if (paint_rect != damage_rect) { |
| GdkRectangle extra_gdk_rect = |
| paint_rect.Subtract(damage_rect).ToGdkRectangle(); |
| gdk_window_invalidate_rect(window, &extra_gdk_rect, false); |
| } |
| |
| GdkRectangle rect = { damage_rect.x(), damage_rect.y(), |
| damage_rect.width(), damage_rect.height() }; |
| gdk_window_begin_paint_rect(window, &rect); |
| |
| backing_store->CairoShowRect(damage_rect, GDK_DRAWABLE(window)); |
| |
| cairo_t* cr = gdk_cairo_create(window); |
| gdk_cairo_rectangle(cr, &rect); |
| SkColor overlay = SkColorSetA( |
| overlay_color_, |
| SkColorGetA(overlay_color_) * |
| overlay_animation_.GetCurrentValue()); |
| float r = SkColorGetR(overlay) / 255.; |
| float g = SkColorGetG(overlay) / 255.; |
| float b = SkColorGetB(overlay) / 255.; |
| float a = SkColorGetA(overlay) / 255.; |
| cairo_set_source_rgba(cr, r, g, b, a); |
| cairo_fill(cr); |
| cairo_destroy(cr); |
| |
| gdk_window_end_paint(window); |
| } |
| } |
| if (!whiteout_start_time_.is_null()) { |
| base::TimeDelta whiteout_duration = base::TimeTicks::Now() - |
| whiteout_start_time_; |
| UMA_HISTOGRAM_TIMES("MPArch.RWHH_WhiteoutDuration", whiteout_duration); |
| |
| // Reset the start time to 0 so that we start recording again the next |
| // time the backing store is NULL... |
| whiteout_start_time_ = base::TimeTicks(); |
| } |
| if (!tab_switch_paint_time_.is_null()) { |
| base::TimeDelta tab_switch_paint_duration = base::TimeTicks::Now() - |
| tab_switch_paint_time_; |
| UMA_HISTOGRAM_TIMES("MPArch.RWH_TabSwitchPaintDuration", |
| tab_switch_paint_duration); |
| // Reset tab_switch_paint_time_ to 0 so future tab selections are |
| // recorded. |
| tab_switch_paint_time_ = base::TimeTicks(); |
| } |
| } else { |
| if (window) |
| gdk_window_clear(window); |
| if (whiteout_start_time_.is_null()) |
| whiteout_start_time_ = base::TimeTicks::Now(); |
| } |
| } |
| |
| void RenderWidgetHostViewGtk::ShowCurrentCursor() { |
| // The widget may not have a window. If that's the case, abort mission. This |
| // is the same issue as that explained above in Paint(). |
| if (!view_.get()->window) |
| return; |
| |
| // TODO(port): WebKit bug https://bugs.webkit.org/show_bug.cgi?id=16388 is |
| // that calling gdk_window_set_cursor repeatedly is expensive. We should |
| // avoid it here where possible. |
| GdkCursor* gdk_cursor; |
| if (current_cursor_.GetCursorType() == GDK_LAST_CURSOR) { |
| // Use MOZ_CURSOR_SPINNING if we are showing the default cursor and |
| // the page is loading. |
| gdk_cursor = is_loading_ ? GetMozSpinningCursor() : NULL; |
| } else { |
| gdk_cursor = current_cursor_.GetNativeCursor(); |
| } |
| gdk_window_set_cursor(view_.get()->window, gdk_cursor); |
| } |
| |
| void RenderWidgetHostViewGtk::CreatePluginContainer( |
| gfx::PluginWindowHandle id) { |
| plugin_container_manager_.CreatePluginContainer(id); |
| } |
| |
| void RenderWidgetHostViewGtk::DestroyPluginContainer( |
| gfx::PluginWindowHandle id) { |
| plugin_container_manager_.DestroyPluginContainer(id); |
| } |
| |
| void RenderWidgetHostViewGtk::SetVisuallyDeemphasized( |
| const SkColor* color, bool animate) { |
| // Do nothing unless |color| has changed, meaning |animate| is only |
| // respected for the first call. |
| if (color && (*color == overlay_color_)) |
| return; |
| |
| overlay_color_ = color ? *color : 0; |
| |
| if (animate) { |
| overlay_animation_.Reset(); |
| overlay_animation_.Show(); |
| } else { |
| overlay_animation_.Reset(1.0); |
| gtk_widget_queue_draw(view_.get()); |
| } |
| } |
| |
| bool RenderWidgetHostViewGtk::ContainsNativeView( |
| gfx::NativeView native_view) const { |
| // TODO(port) |
| NOTREACHED() << |
| "RenderWidgetHostViewGtk::ContainsNativeView not implemented."; |
| return false; |
| } |
| |
| void RenderWidgetHostViewGtk::AcceleratedCompositingActivated(bool activated) { |
| GtkPreserveWindow* widget = |
| reinterpret_cast<GtkPreserveWindow*>(view_.get()); |
| |
| gtk_preserve_window_delegate_resize(widget, activated); |
| } |
| |
| gfx::PluginWindowHandle RenderWidgetHostViewGtk::GetCompositingSurface() { |
| if (compositing_surface_ == gfx::kNullPluginWindow) { |
| GtkNativeViewManager* manager = GtkNativeViewManager::GetInstance(); |
| gfx::NativeViewId view_id = gfx::IdFromNativeView(GetNativeView()); |
| |
| if (!manager->GetPermanentXIDForId(&compositing_surface_, view_id)) { |
| DLOG(ERROR) << "Can't find XID for view id " << view_id; |
| } |
| } |
| return compositing_surface_; |
| } |
| |
| void RenderWidgetHostViewGtk::ForwardKeyboardEvent( |
| const NativeWebKeyboardEvent& event) { |
| if (!host_) |
| return; |
| |
| EditCommands edit_commands; |
| if (!event.skip_in_browser && |
| key_bindings_handler_->Match(event, &edit_commands)) { |
| host_->ForwardEditCommandsForNextKeyEvent(edit_commands); |
| NativeWebKeyboardEvent copy_event(event); |
| copy_event.match_edit_command = true; |
| host_->ForwardKeyboardEvent(copy_event); |
| return; |
| } |
| |
| host_->ForwardKeyboardEvent(event); |
| } |
| |
| void RenderWidgetHostViewGtk::AnimationEnded(const ui::Animation* animation) { |
| gtk_widget_queue_draw(view_.get()); |
| } |
| |
| void RenderWidgetHostViewGtk::AnimationProgressed( |
| const ui::Animation* animation) { |
| gtk_widget_queue_draw(view_.get()); |
| } |
| |
| void RenderWidgetHostViewGtk::AnimationCanceled( |
| const ui::Animation* animation) { |
| gtk_widget_queue_draw(view_.get()); |
| } |
| |
| void RenderWidgetHostViewGtk::set_last_mouse_down(GdkEventButton* event) { |
| GdkEventButton* temp = NULL; |
| if (event) { |
| temp = reinterpret_cast<GdkEventButton*>( |
| gdk_event_copy(reinterpret_cast<GdkEvent*>(event))); |
| } |
| |
| if (last_mouse_down_) |
| gdk_event_free(reinterpret_cast<GdkEvent*>(last_mouse_down_)); |
| |
| last_mouse_down_ = temp; |
| } |
| |
| // static |
| RenderWidgetHostView* |
| RenderWidgetHostView::GetRenderWidgetHostViewFromNativeView( |
| gfx::NativeView widget) { |
| gpointer user_data = g_object_get_data(G_OBJECT(widget), |
| kRenderWidgetHostViewKey); |
| return reinterpret_cast<RenderWidgetHostView*>(user_data); |
| } |