electron/atom/browser/native_window.cc
2016-10-26 09:47:38 +09:00

648 lines
20 KiB
C++

// Copyright (c) 2013 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/browser/native_window.h"
#include <string>
#include <utility>
#include <vector>
#include "atom/browser/atom_browser_context.h"
#include "atom/browser/atom_browser_main_parts.h"
#include "atom/browser/browser.h"
#include "atom/browser/unresponsive_suppressor.h"
#include "atom/browser/window_list.h"
#include "atom/common/api/api_messages.h"
#include "atom/common/native_mate_converters/file_path_converter.h"
#include "atom/common/options_switches.h"
#include "base/files/file_util.h"
#include "base/json/json_writer.h"
#include "base/message_loop/message_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "brightray/browser/inspectable_web_contents.h"
#include "brightray/browser/inspectable_web_contents_view.h"
#include "components/prefs/pref_service.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/plugin_service.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/common/content_switches.h"
#include "ipc/ipc_message_macros.h"
#include "native_mate/dictionary.h"
#include "third_party/skia/include/core/SkRegion.h"
#include "ui/gfx/codec/png_codec.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/size_conversions.h"
#include "ui/gl/gpu_switching_manager.h"
#if defined(OS_LINUX) || defined(OS_WIN)
#include "content/public/common/renderer_preferences.h"
#include "ui/gfx/font_render_params.h"
#endif
DEFINE_WEB_CONTENTS_USER_DATA_KEY(atom::NativeWindowRelay);
namespace atom {
NativeWindow::NativeWindow(
brightray::InspectableWebContents* inspectable_web_contents,
const mate::Dictionary& options,
NativeWindow* parent)
: content::WebContentsObserver(inspectable_web_contents->GetWebContents()),
has_frame_(true),
transparent_(false),
enable_larger_than_screen_(false),
is_closed_(false),
sheet_offset_x_(0.0),
sheet_offset_y_(0.0),
aspect_ratio_(0.0),
parent_(parent),
is_modal_(false),
inspectable_web_contents_(inspectable_web_contents),
weak_factory_(this) {
options.Get(options::kFrame, &has_frame_);
options.Get(options::kTransparent, &transparent_);
options.Get(options::kEnableLargerThanScreen, &enable_larger_than_screen_);
if (parent)
options.Get("modal", &is_modal_);
#if defined(OS_LINUX) || defined(OS_WIN)
auto* prefs = web_contents()->GetMutableRendererPrefs();
// Update font settings.
CR_DEFINE_STATIC_LOCAL(const gfx::FontRenderParams, params,
(gfx::GetFontRenderParams(gfx::FontRenderParamsQuery(), nullptr)));
prefs->should_antialias_text = params.antialiasing;
prefs->use_subpixel_positioning = params.subpixel_positioning;
prefs->hinting = params.hinting;
prefs->use_autohinter = params.autohinter;
prefs->use_bitmaps = params.use_bitmaps;
prefs->subpixel_rendering = params.subpixel_rendering;
#endif
// Tell the content module to initialize renderer widget with transparent
// mode.
ui::GpuSwitchingManager::SetTransparent(transparent_);
WindowList::AddWindow(this);
}
NativeWindow::~NativeWindow() {
// It's possible that the windows gets destroyed before it's closed, in that
// case we need to ensure the OnWindowClosed message is still notified.
NotifyWindowClosed();
}
// static
NativeWindow* NativeWindow::FromWebContents(
content::WebContents* web_contents) {
WindowList& window_list = *WindowList::GetInstance();
for (NativeWindow* window : window_list) {
if (window->web_contents() == web_contents)
return window;
}
return nullptr;
}
void NativeWindow::InitFromOptions(const mate::Dictionary& options) {
// Setup window from options.
int x = -1, y = -1;
bool center;
if (options.Get(options::kX, &x) && options.Get(options::kY, &y)) {
SetPosition(gfx::Point(x, y));
} else if (options.Get(options::kCenter, &center) && center) {
Center();
}
// On Linux and Window we may already have maximum size defined.
extensions::SizeConstraints size_constraints(GetContentSizeConstraints());
int min_height = 0, min_width = 0;
if (options.Get(options::kMinHeight, &min_height) |
options.Get(options::kMinWidth, &min_width)) {
size_constraints.set_minimum_size(gfx::Size(min_width, min_height));
}
int max_height = INT_MAX, max_width = INT_MAX;
if (options.Get(options::kMaxHeight, &max_height) |
options.Get(options::kMaxWidth, &max_width)) {
size_constraints.set_maximum_size(gfx::Size(max_width, max_height));
}
bool use_content_size = false;
options.Get(options::kUseContentSize, &use_content_size);
if (use_content_size) {
SetContentSizeConstraints(size_constraints);
} else {
SetSizeConstraints(size_constraints);
}
#if defined(USE_X11)
bool resizable;
if (options.Get(options::kResizable, &resizable)) {
SetResizable(resizable);
}
#endif
#if defined(OS_WIN) || defined(USE_X11)
bool closable;
if (options.Get(options::kClosable, &closable)) {
SetClosable(closable);
}
#endif
bool movable;
if (options.Get(options::kMovable, &movable)) {
SetMovable(movable);
}
bool has_shadow;
if (options.Get(options::kHasShadow, &has_shadow)) {
SetHasShadow(has_shadow);
}
bool top;
if (options.Get(options::kAlwaysOnTop, &top) && top) {
SetAlwaysOnTop(true);
}
bool fullscreenable = true;
bool fullscreen = false;
if (options.Get(options::kFullscreen, &fullscreen) && !fullscreen) {
// Disable fullscreen button if 'fullscreen' is specified to false.
#if defined(OS_MACOSX)
fullscreenable = false;
#endif
}
// Overriden by 'fullscreenable'.
options.Get(options::kFullScreenable, &fullscreenable);
SetFullScreenable(fullscreenable);
if (fullscreen) {
SetFullScreen(true);
}
bool skip;
if (options.Get(options::kSkipTaskbar, &skip)) {
SetSkipTaskbar(skip);
}
bool kiosk;
if (options.Get(options::kKiosk, &kiosk) && kiosk) {
SetKiosk(kiosk);
}
std::string color;
if (options.Get(options::kBackgroundColor, &color)) {
SetBackgroundColor(color);
} else if (!transparent()) {
// For normal window, use white as default background.
SetBackgroundColor("#FFFF");
}
std::string title(Browser::Get()->GetName());
options.Get(options::kTitle, &title);
SetTitle(title);
// Then show it.
bool show = true;
options.Get(options::kShow, &show);
if (show)
Show();
}
void NativeWindow::SetSize(const gfx::Size& size, bool animate) {
SetBounds(gfx::Rect(GetPosition(), size), animate);
}
gfx::Size NativeWindow::GetSize() {
return GetBounds().size();
}
void NativeWindow::SetPosition(const gfx::Point& position, bool animate) {
SetBounds(gfx::Rect(position, GetSize()), animate);
}
gfx::Point NativeWindow::GetPosition() {
return GetBounds().origin();
}
void NativeWindow::SetContentSize(const gfx::Size& size, bool animate) {
SetSize(ContentBoundsToWindowBounds(gfx::Rect(size)).size(), animate);
}
gfx::Size NativeWindow::GetContentSize() {
return GetContentBounds().size();
}
void NativeWindow::SetContentBounds(const gfx::Rect& bounds, bool animate) {
SetBounds(ContentBoundsToWindowBounds(bounds), animate);
}
gfx::Rect NativeWindow::GetContentBounds() {
return WindowBoundsToContentBounds(GetBounds());
}
void NativeWindow::SetSizeConstraints(
const extensions::SizeConstraints& window_constraints) {
extensions::SizeConstraints content_constraints(GetContentSizeConstraints());
if (window_constraints.HasMaximumSize()) {
gfx::Rect max_bounds = WindowBoundsToContentBounds(
gfx::Rect(window_constraints.GetMaximumSize()));
content_constraints.set_maximum_size(max_bounds.size());
}
if (window_constraints.HasMinimumSize()) {
gfx::Rect min_bounds = WindowBoundsToContentBounds(
gfx::Rect(window_constraints.GetMinimumSize()));
content_constraints.set_minimum_size(min_bounds.size());
}
SetContentSizeConstraints(content_constraints);
}
extensions::SizeConstraints NativeWindow::GetSizeConstraints() {
extensions::SizeConstraints content_constraints = GetContentSizeConstraints();
extensions::SizeConstraints window_constraints;
if (content_constraints.HasMaximumSize()) {
gfx::Rect max_bounds = ContentBoundsToWindowBounds(
gfx::Rect(content_constraints.GetMaximumSize()));
window_constraints.set_maximum_size(max_bounds.size());
}
if (content_constraints.HasMinimumSize()) {
gfx::Rect min_bounds = ContentBoundsToWindowBounds(
gfx::Rect(content_constraints.GetMinimumSize()));
window_constraints.set_minimum_size(min_bounds.size());
}
return window_constraints;
}
void NativeWindow::SetContentSizeConstraints(
const extensions::SizeConstraints& size_constraints) {
size_constraints_ = size_constraints;
}
extensions::SizeConstraints NativeWindow::GetContentSizeConstraints() {
return size_constraints_;
}
void NativeWindow::SetMinimumSize(const gfx::Size& size) {
extensions::SizeConstraints size_constraints;
size_constraints.set_minimum_size(size);
SetSizeConstraints(size_constraints);
}
gfx::Size NativeWindow::GetMinimumSize() {
return GetSizeConstraints().GetMinimumSize();
}
void NativeWindow::SetMaximumSize(const gfx::Size& size) {
extensions::SizeConstraints size_constraints;
size_constraints.set_maximum_size(size);
SetSizeConstraints(size_constraints);
}
gfx::Size NativeWindow::GetMaximumSize() {
return GetSizeConstraints().GetMaximumSize();
}
void NativeWindow::SetSheetOffset(const double offsetX, const double offsetY) {
sheet_offset_x_ = offsetX;
sheet_offset_y_ = offsetY;
}
double NativeWindow::GetSheetOffsetX() {
return sheet_offset_x_;
}
double NativeWindow::GetSheetOffsetY() {
return sheet_offset_y_;
}
void NativeWindow::SetRepresentedFilename(const std::string& filename) {
}
std::string NativeWindow::GetRepresentedFilename() {
return "";
}
void NativeWindow::SetDocumentEdited(bool edited) {
}
bool NativeWindow::IsDocumentEdited() {
return false;
}
void NativeWindow::SetFocusable(bool focusable) {
}
void NativeWindow::SetMenu(AtomMenuModel* menu) {
}
void NativeWindow::SetParentWindow(NativeWindow* parent) {
parent_ = parent;
}
void NativeWindow::FocusOnWebView() {
web_contents()->GetRenderViewHost()->GetWidget()->Focus();
}
void NativeWindow::BlurWebView() {
web_contents()->GetRenderViewHost()->GetWidget()->Blur();
}
bool NativeWindow::IsWebViewFocused() {
auto host_view = web_contents()->GetRenderViewHost()->GetWidget()->GetView();
return host_view && host_view->HasFocus();
}
void NativeWindow::SetAutoHideMenuBar(bool auto_hide) {
}
bool NativeWindow::IsMenuBarAutoHide() {
return false;
}
void NativeWindow::SetMenuBarVisibility(bool visible) {
}
bool NativeWindow::IsMenuBarVisible() {
return true;
}
double NativeWindow::GetAspectRatio() {
return aspect_ratio_;
}
gfx::Size NativeWindow::GetAspectRatioExtraSize() {
return aspect_ratio_extraSize_;
}
void NativeWindow::SetAspectRatio(double aspect_ratio,
const gfx::Size& extra_size) {
aspect_ratio_ = aspect_ratio;
aspect_ratio_extraSize_ = extra_size;
}
void NativeWindow::PreviewFile(const std::string& path,
const std::string& display_name) {
}
void NativeWindow::RequestToClosePage() {
bool prevent_default = false;
FOR_EACH_OBSERVER(NativeWindowObserver,
observers_,
WillCloseWindow(&prevent_default));
if (prevent_default) {
WindowList::WindowCloseCancelled(this);
return;
}
// Assume the window is not responding if it doesn't cancel the close and is
// not closed in 5s, in this way we can quickly show the unresponsive
// dialog when the window is busy executing some script withouth waiting for
// the unresponsive timeout.
if (window_unresposive_closure_.IsCancelled())
ScheduleUnresponsiveEvent(5000);
if (!web_contents())
// Already closed by renderer
return;
if (web_contents()->NeedToFireBeforeUnload())
web_contents()->DispatchBeforeUnload();
else
web_contents()->Close();
}
void NativeWindow::CloseContents(content::WebContents* source) {
if (!inspectable_web_contents_)
return;
inspectable_web_contents_->GetView()->SetDelegate(nullptr);
inspectable_web_contents_ = nullptr;
Observe(nullptr);
FOR_EACH_OBSERVER(NativeWindowObserver, observers_,
WillDestroyNativeObject());
// When the web contents is gone, close the window immediately, but the
// memory will not be freed until you call delete.
// In this way, it would be safe to manage windows via smart pointers. If you
// want to free memory when the window is closed, you can do deleting by
// overriding the OnWindowClosed method in the observer.
CloseImmediately();
// Do not sent "unresponsive" event after window is closed.
window_unresposive_closure_.Cancel();
}
void NativeWindow::RendererUnresponsive(content::WebContents* source) {
// Schedule the unresponsive shortly later, since we may receive the
// responsive event soon. This could happen after the whole application had
// blocked for a while.
// Also notice that when closing this event would be ignored because we have
// explicitly started a close timeout counter. This is on purpose because we
// don't want the unresponsive event to be sent too early when user is closing
// the window.
ScheduleUnresponsiveEvent(50);
}
void NativeWindow::RendererResponsive(content::WebContents* source) {
window_unresposive_closure_.Cancel();
FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnRendererResponsive());
}
void NativeWindow::NotifyWindowClosed() {
if (is_closed_)
return;
WindowList::RemoveWindow(this);
is_closed_ = true;
FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowClosed());
}
void NativeWindow::NotifyWindowBlur() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowBlur());
}
void NativeWindow::NotifyWindowFocus() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowFocus());
}
void NativeWindow::NotifyWindowShow() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowShow());
}
void NativeWindow::NotifyWindowHide() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowHide());
}
void NativeWindow::NotifyWindowMaximize() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowMaximize());
}
void NativeWindow::NotifyWindowUnmaximize() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowUnmaximize());
}
void NativeWindow::NotifyWindowMinimize() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowMinimize());
}
void NativeWindow::NotifyWindowRestore() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowRestore());
}
void NativeWindow::NotifyWindowResize() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowResize());
}
void NativeWindow::NotifyWindowMove() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowMove());
}
void NativeWindow::NotifyWindowMoved() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnWindowMoved());
}
void NativeWindow::NotifyWindowEnterFullScreen() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_,
OnWindowEnterFullScreen());
}
void NativeWindow::NotifyWindowScrollTouchBegin() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_,
OnWindowScrollTouchBegin());
}
void NativeWindow::NotifyWindowScrollTouchEnd() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_,
OnWindowScrollTouchEnd());
}
void NativeWindow::NotifyWindowScrollTouchEdge() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_,
OnWindowScrollTouchEdge());
}
void NativeWindow::NotifyWindowSwipe(const std::string& direction) {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_,
OnWindowSwipe(direction));
}
void NativeWindow::NotifyWindowLeaveFullScreen() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_,
OnWindowLeaveFullScreen());
}
void NativeWindow::NotifyWindowEnterHtmlFullScreen() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_,
OnWindowEnterHtmlFullScreen());
}
void NativeWindow::NotifyWindowLeaveHtmlFullScreen() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_,
OnWindowLeaveHtmlFullScreen());
}
void NativeWindow::NotifyWindowExecuteWindowsCommand(
const std::string& command) {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_,
OnExecuteWindowsCommand(command));
}
#if defined(OS_WIN)
void NativeWindow::NotifyWindowMessage(
UINT message, WPARAM w_param, LPARAM l_param) {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_,
OnWindowMessage(message, w_param, l_param));
}
#endif
std::unique_ptr<SkRegion> NativeWindow::DraggableRegionsToSkRegion(
const std::vector<DraggableRegion>& regions) {
std::unique_ptr<SkRegion> sk_region(new SkRegion);
for (const DraggableRegion& region : regions) {
sk_region->op(
region.bounds.x(),
region.bounds.y(),
region.bounds.right(),
region.bounds.bottom(),
region.draggable ? SkRegion::kUnion_Op : SkRegion::kDifference_Op);
}
return sk_region;
}
void NativeWindow::RenderViewCreated(
content::RenderViewHost* render_view_host) {
if (!transparent_)
return;
content::RenderWidgetHostImpl* impl = content::RenderWidgetHostImpl::FromID(
render_view_host->GetProcess()->GetID(),
render_view_host->GetRoutingID());
if (impl)
impl->SetBackgroundOpaque(false);
}
void NativeWindow::BeforeUnloadDialogCancelled() {
WindowList::WindowCloseCancelled(this);
// Cancel unresponsive event when window close is cancelled.
window_unresposive_closure_.Cancel();
}
void NativeWindow::DidFirstVisuallyNonEmptyPaint() {
if (IsVisible())
return;
// When there is a non-empty first paint, resize the RenderWidget to force
// Chromium to draw.
const auto view = web_contents()->GetRenderWidgetHostView();
view->Show();
view->SetSize(GetContentSize());
// Emit the ReadyToShow event in next tick in case of pending drawing work.
base::MessageLoop::current()->PostTask(
FROM_HERE,
base::Bind(&NativeWindow::NotifyReadyToShow, GetWeakPtr()));
}
bool NativeWindow::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(NativeWindow, message)
IPC_MESSAGE_HANDLER(AtomViewHostMsg_UpdateDraggableRegions,
UpdateDraggableRegions)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void NativeWindow::UpdateDraggableRegions(
const std::vector<DraggableRegion>& regions) {
// Draggable region is not supported for non-frameless window.
if (has_frame_)
return;
draggable_region_ = DraggableRegionsToSkRegion(regions);
}
void NativeWindow::ScheduleUnresponsiveEvent(int ms) {
if (!window_unresposive_closure_.IsCancelled())
return;
window_unresposive_closure_.Reset(
base::Bind(&NativeWindow::NotifyWindowUnresponsive,
weak_factory_.GetWeakPtr()));
base::MessageLoop::current()->PostDelayedTask(
FROM_HERE,
window_unresposive_closure_.callback(),
base::TimeDelta::FromMilliseconds(ms));
}
void NativeWindow::NotifyWindowUnresponsive() {
window_unresposive_closure_.Cancel();
if (!is_closed_ && !IsUnresponsiveEventSuppressed() && IsEnabled())
FOR_EACH_OBSERVER(NativeWindowObserver,
observers_,
OnRendererUnresponsive());
}
void NativeWindow::NotifyReadyToShow() {
FOR_EACH_OBSERVER(NativeWindowObserver, observers_, OnReadyToShow());
}
} // namespace atom