618 lines
17 KiB
C++
618 lines
17 KiB
C++
// Copyright (c) 2013 GitHub, Inc. All rights reserved.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/browser/native_window_win.h"
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#include <string>
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#include <vector>
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#include "atom/browser/api/atom_api_menu.h"
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#include "atom/browser/ui/win/menu_2.h"
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#include "atom/browser/ui/win/native_menu_win.h"
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#include "atom/common/draggable_region.h"
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#include "atom/common/options_switches.h"
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#include "base/strings/utf_string_conversions.h"
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#include "base/values.h"
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#include "content/public/browser/native_web_keyboard_event.h"
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#include "content/public/browser/render_view_host.h"
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#include "content/public/browser/render_widget_host_view.h"
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#include "content/public/browser/web_contents.h"
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#include "content/public/browser/web_contents_view.h"
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#include "ui/gfx/path.h"
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#include "ui/base/models/simple_menu_model.h"
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#include "ui/views/controls/webview/webview.h"
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#include "ui/views/widget/widget.h"
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#include "ui/views/widget/native_widget_win.h"
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#include "ui/views/window/client_view.h"
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#include "ui/views/window/native_frame_view.h"
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namespace atom {
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namespace {
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const int kResizeInsideBoundsSize = 5;
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const int kResizeAreaCornerSize = 16;
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// Returns true if |possible_parent| is a parent window of |child|.
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bool IsParent(gfx::NativeView child, gfx::NativeView possible_parent) {
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if (!child)
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return false;
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if (::GetWindow(child, GW_OWNER) == possible_parent)
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return true;
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gfx::NativeView parent = ::GetParent(child);
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while (parent) {
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if (possible_parent == parent)
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return true;
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parent = ::GetParent(parent);
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}
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return false;
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}
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// Wrapper of NativeWidgetWin to handle WM_MENUCOMMAND messages, which are
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// triggered by window menus.
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class MenuCommandNativeWidget : public views::NativeWidgetWin {
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public:
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explicit MenuCommandNativeWidget(NativeWindowWin* delegate)
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: views::NativeWidgetWin(delegate->window()),
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delegate_(delegate) {}
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virtual ~MenuCommandNativeWidget() {}
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protected:
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virtual bool PreHandleMSG(UINT message,
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WPARAM w_param,
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LPARAM l_param,
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LRESULT* result) OVERRIDE {
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if (message == WM_MENUCOMMAND) {
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delegate_->OnMenuCommand(w_param, reinterpret_cast<HMENU>(l_param));
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*result = 0;
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return true;
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} else {
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return false;
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}
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}
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private:
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NativeWindowWin* delegate_;
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DISALLOW_COPY_AND_ASSIGN(MenuCommandNativeWidget);
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};
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class NativeWindowClientView : public views::ClientView {
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public:
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NativeWindowClientView(views::Widget* widget,
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NativeWindowWin* contents_view)
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: views::ClientView(widget, contents_view) {
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}
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virtual ~NativeWindowClientView() {}
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virtual bool CanClose() OVERRIDE {
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static_cast<NativeWindowWin*>(contents_view())->CloseWebContents();
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return false;
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}
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private:
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DISALLOW_COPY_AND_ASSIGN(NativeWindowClientView);
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};
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class NativeWindowFrameView : public views::NativeFrameView {
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public:
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explicit NativeWindowFrameView(views::Widget* frame, NativeWindowWin* shell)
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: NativeFrameView(frame),
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shell_(shell) {
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}
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virtual ~NativeWindowFrameView() {}
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virtual gfx::Size GetMinimumSize() OVERRIDE {
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return shell_->GetMinimumSize();
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}
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virtual gfx::Size GetMaximumSize() OVERRIDE {
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return shell_->GetMaximumSize();
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}
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private:
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NativeWindowWin* shell_;
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DISALLOW_COPY_AND_ASSIGN(NativeWindowFrameView);
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};
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class NativeWindowFramelessView : public views::NonClientFrameView {
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public:
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explicit NativeWindowFramelessView(views::Widget* frame,
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NativeWindowWin* shell)
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: frame_(frame),
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shell_(shell) {
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}
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virtual ~NativeWindowFramelessView() {}
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// views::NonClientFrameView implementations:
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virtual gfx::Rect NativeWindowFramelessView::GetBoundsForClientView() const
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OVERRIDE {
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return bounds();
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}
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virtual gfx::Rect NativeWindowFramelessView::GetWindowBoundsForClientBounds(
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const gfx::Rect& client_bounds) const OVERRIDE {
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gfx::Rect window_bounds = client_bounds;
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// Enforce minimum size (1, 1) in case that client_bounds is passed with
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// empty size. This could occur when the frameless window is being
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// initialized.
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if (window_bounds.IsEmpty()) {
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window_bounds.set_width(1);
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window_bounds.set_height(1);
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}
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return window_bounds;
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}
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virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE {
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if (frame_->IsFullscreen())
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return HTCLIENT;
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// Check the frame first, as we allow a small area overlapping the contents
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// to be used for resize handles.
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bool can_ever_resize = frame_->widget_delegate() ?
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frame_->widget_delegate()->CanResize() :
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false;
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// Don't allow overlapping resize handles when the window is maximized or
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// fullscreen, as it can't be resized in those states.
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int resize_border =
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frame_->IsMaximized() || frame_->IsFullscreen() ? 0 :
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kResizeInsideBoundsSize;
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int frame_component = GetHTComponentForFrame(point,
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resize_border,
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resize_border,
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kResizeAreaCornerSize,
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kResizeAreaCornerSize,
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can_ever_resize);
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if (frame_component != HTNOWHERE)
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return frame_component;
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// Check for possible draggable region in the client area for the frameless
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// window.
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if (shell_->draggable_region() &&
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shell_->draggable_region()->contains(point.x(), point.y()))
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return HTCAPTION;
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int client_component = frame_->client_view()->NonClientHitTest(point);
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if (client_component != HTNOWHERE)
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return client_component;
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// Caption is a safe default.
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return HTCAPTION;
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}
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virtual void GetWindowMask(const gfx::Size& size,
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gfx::Path* window_mask) OVERRIDE {}
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virtual void ResetWindowControls() OVERRIDE {}
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virtual void UpdateWindowIcon() OVERRIDE {}
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virtual void UpdateWindowTitle() OVERRIDE {}
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// views::View implementations:
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virtual gfx::Size NativeWindowFramelessView::GetPreferredSize() OVERRIDE {
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gfx::Size pref = frame_->client_view()->GetPreferredSize();
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gfx::Rect bounds(0, 0, pref.width(), pref.height());
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return frame_->non_client_view()->GetWindowBoundsForClientBounds(
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bounds).size();
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}
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virtual gfx::Size GetMinimumSize() OVERRIDE {
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return shell_->GetMinimumSize();
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}
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virtual gfx::Size GetMaximumSize() OVERRIDE {
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return shell_->GetMaximumSize();
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}
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private:
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views::Widget* frame_;
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NativeWindowWin* shell_;
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DISALLOW_COPY_AND_ASSIGN(NativeWindowFramelessView);
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};
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} // namespace
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NativeWindowWin::NativeWindowWin(content::WebContents* web_contents,
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base::DictionaryValue* options)
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: NativeWindow(web_contents, options),
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window_(new views::Widget),
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web_view_(new views::WebView(NULL)),
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use_content_size_(false),
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resizable_(true) {
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options->GetBoolean(switches::kResizable, &resizable_);
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views::Widget::InitParams params(views::Widget::InitParams::TYPE_WINDOW);
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params.delegate = this;
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params.native_widget = new MenuCommandNativeWidget(this);
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params.remove_standard_frame = !has_frame_;
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params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
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window_->set_frame_type(views::Widget::FRAME_TYPE_FORCE_NATIVE);
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window_->Init(params);
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views::WidgetFocusManager::GetInstance()->AddFocusChangeListener(this);
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int width = 800, height = 600;
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options->GetInteger(switches::kWidth, &width);
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options->GetInteger(switches::kHeight, &height);
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gfx::Size size(width, height);
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options->GetBoolean(switches::kUseContentSize, &use_content_size_);
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if (has_frame_ && use_content_size_)
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ClientAreaSizeToWindowSize(&size);
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window_->CenterWindow(size);
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window_->UpdateWindowIcon();
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web_view_->SetWebContents(web_contents);
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OnViewWasResized();
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}
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NativeWindowWin::~NativeWindowWin() {
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views::WidgetFocusManager::GetInstance()->RemoveFocusChangeListener(this);
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}
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void NativeWindowWin::Close() {
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window_->Close();
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}
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void NativeWindowWin::CloseImmediately() {
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window_->CloseNow();
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}
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void NativeWindowWin::Move(const gfx::Rect& bounds) {
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window_->SetBounds(bounds);
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}
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void NativeWindowWin::Focus(bool focus) {
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if (focus)
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window_->Activate();
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else
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window_->Deactivate();
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}
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bool NativeWindowWin::IsFocused() {
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return window_->IsActive();
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}
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void NativeWindowWin::Show() {
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window_->Show();
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}
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void NativeWindowWin::Hide() {
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window_->Hide();
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}
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void NativeWindowWin::Maximize() {
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window_->Maximize();
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}
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void NativeWindowWin::Unmaximize() {
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window_->Restore();
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}
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bool NativeWindowWin::IsVisible() {
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return window_->IsVisible();
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}
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void NativeWindowWin::Minimize() {
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window_->Minimize();
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}
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void NativeWindowWin::Restore() {
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window_->Restore();
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}
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void NativeWindowWin::SetFullscreen(bool fullscreen) {
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window_->SetFullscreen(fullscreen);
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}
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bool NativeWindowWin::IsFullscreen() {
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return window_->IsFullscreen();
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}
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void NativeWindowWin::SetSize(const gfx::Size& size) {
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window_->SetSize(size);
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}
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gfx::Size NativeWindowWin::GetSize() {
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return window_->GetWindowBoundsInScreen().size();
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}
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void NativeWindowWin::SetContentSize(const gfx::Size& size) {
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gfx::Size resized(size);
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ClientAreaSizeToWindowSize(&resized);
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SetSize(resized);
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}
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gfx::Size NativeWindowWin::GetContentSize() {
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return window_->GetClientAreaBoundsInScreen().size();
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}
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void NativeWindowWin::SetMinimumSize(const gfx::Size& size) {
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minimum_size_ = size;
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}
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gfx::Size NativeWindowWin::GetMinimumSize() {
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return minimum_size_;
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}
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void NativeWindowWin::SetMaximumSize(const gfx::Size& size) {
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maximum_size_ = size;
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}
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gfx::Size NativeWindowWin::GetMaximumSize() {
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return maximum_size_;
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}
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void NativeWindowWin::SetResizable(bool resizable) {
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resizable_ = resizable;
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// WS_MAXIMIZEBOX => Maximize/Minimize button
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// WS_THICKFRAME => Resize handle
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DWORD style = ::GetWindowLong(GetNativeWindow(), GWL_STYLE);
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if (resizable)
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style |= WS_MAXIMIZEBOX | WS_THICKFRAME;
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else
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style &= ~(WS_MAXIMIZEBOX | WS_THICKFRAME);
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::SetWindowLong(GetNativeWindow(), GWL_STYLE, style);
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}
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bool NativeWindowWin::IsResizable() {
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return resizable_;
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}
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void NativeWindowWin::SetAlwaysOnTop(bool top) {
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window_->SetAlwaysOnTop(top);
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}
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bool NativeWindowWin::IsAlwaysOnTop() {
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DWORD style = ::GetWindowLong(window_->GetNativeView(), GWL_EXSTYLE);
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return style & WS_EX_TOPMOST;
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}
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void NativeWindowWin::Center() {
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window_->CenterWindow(GetSize());
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}
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void NativeWindowWin::SetPosition(const gfx::Point& position) {
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window_->SetBounds(gfx::Rect(position, GetSize()));
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}
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gfx::Point NativeWindowWin::GetPosition() {
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return window_->GetWindowBoundsInScreen().origin();
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}
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void NativeWindowWin::SetTitle(const std::string& title) {
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title_ = UTF8ToUTF16(title);
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window_->UpdateWindowTitle();
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}
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std::string NativeWindowWin::GetTitle() {
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return UTF16ToUTF8(title_);
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}
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void NativeWindowWin::FlashFrame(bool flash) {
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window_->FlashFrame(flash);
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}
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void NativeWindowWin::SetKiosk(bool kiosk) {
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SetFullscreen(kiosk);
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}
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bool NativeWindowWin::IsKiosk() {
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return IsFullscreen();
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}
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gfx::NativeWindow NativeWindowWin::GetNativeWindow() {
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return window_->GetNativeView();
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}
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void NativeWindowWin::OnMenuCommand(int position, HMENU menu) {
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DCHECK(menu_);
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menu_->wrapper()->OnMenuCommand(position, menu);
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}
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void NativeWindowWin::SetMenu(ui::MenuModel* menu_model) {
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menu_.reset(new atom::Menu2(menu_model, true));
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menu_->UpdateStates();
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::SetMenu(GetNativeWindow(), menu_->GetNativeMenu());
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RegisterAccelerators();
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// Resize the window so SetMenu won't change client area size.
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if (use_content_size_) {
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gfx::Size size = GetSize();
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size.set_height(size.height() + GetSystemMetrics(SM_CYMENU));
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SetSize(size);
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}
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}
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void NativeWindowWin::UpdateDraggableRegions(
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const std::vector<DraggableRegion>& regions) {
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if (has_frame_)
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return;
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SkRegion* draggable_region = new SkRegion;
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// By default, the whole window is non-draggable. We need to explicitly
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// include those draggable regions.
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for (std::vector<DraggableRegion>::const_iterator iter = regions.begin();
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iter != regions.end(); ++iter) {
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const DraggableRegion& region = *iter;
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draggable_region->op(
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region.bounds.x(),
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region.bounds.y(),
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region.bounds.right(),
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region.bounds.bottom(),
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region.draggable ? SkRegion::kUnion_Op : SkRegion::kDifference_Op);
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}
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draggable_region_.reset(draggable_region);
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OnViewWasResized();
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}
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void NativeWindowWin::HandleKeyboardEvent(
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content::WebContents*,
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const content::NativeWebKeyboardEvent& event) {
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if (event.type == WebKit::WebInputEvent::RawKeyDown) {
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ui::Accelerator accelerator(
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static_cast<ui::KeyboardCode>(event.windowsKeyCode),
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content::GetModifiersFromNativeWebKeyboardEvent(event));
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if (GetFocusManager()->ProcessAccelerator(accelerator)) {
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return;
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}
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}
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// Any unhandled keyboard/character messages should be defproced.
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// This allows stuff like F10, etc to work correctly.
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DefWindowProc(event.os_event.hwnd, event.os_event.message,
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event.os_event.wParam, event.os_event.lParam);
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}
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void NativeWindowWin::Layout() {
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DCHECK(web_view_);
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web_view_->SetBounds(0, 0, width(), height());
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OnViewWasResized();
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}
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void NativeWindowWin::ViewHierarchyChanged(
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const ViewHierarchyChangedDetails& details) {
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if (details.is_add && details.child == this)
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AddChildView(web_view_);
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}
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bool NativeWindowWin::AcceleratorPressed(
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const ui::Accelerator& accelerator) {
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return accelerator_util::TriggerAcceleratorTableCommand(
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&accelerator_table_, accelerator);
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}
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void NativeWindowWin::DeleteDelegate() {
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NotifyWindowClosed();
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}
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views::View* NativeWindowWin::GetInitiallyFocusedView() {
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return web_view_;
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}
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bool NativeWindowWin::CanResize() const {
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return resizable_;
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}
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bool NativeWindowWin::CanMaximize() const {
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return resizable_;
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}
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string16 NativeWindowWin::GetWindowTitle() const {
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return title_;
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}
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bool NativeWindowWin::ShouldHandleSystemCommands() const {
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return true;
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}
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gfx::ImageSkia NativeWindowWin::GetWindowAppIcon() {
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if (icon_.IsEmpty())
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return gfx::ImageSkia();
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else
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return *icon_.ToImageSkia();
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}
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gfx::ImageSkia NativeWindowWin::GetWindowIcon() {
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return GetWindowAppIcon();
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}
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views::Widget* NativeWindowWin::GetWidget() {
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return window_.get();
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}
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const views::Widget* NativeWindowWin::GetWidget() const {
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return window_.get();
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}
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views::ClientView* NativeWindowWin::CreateClientView(views::Widget* widget) {
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return new NativeWindowClientView(widget, this);
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}
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views::NonClientFrameView* NativeWindowWin::CreateNonClientFrameView(
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views::Widget* widget) {
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if (has_frame_)
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return new NativeWindowFrameView(widget, this);
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return new NativeWindowFramelessView(widget, this);
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}
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void NativeWindowWin::OnNativeFocusChange(gfx::NativeView focused_before,
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gfx::NativeView focused_now) {
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gfx::NativeView this_window = GetWidget()->GetNativeView();
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if (IsParent(focused_now, this_window))
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return;
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if (focused_now == this_window)
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NotifyWindowFocus();
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else if (focused_before == this_window)
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NotifyWindowBlur();
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}
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void NativeWindowWin::ClientAreaSizeToWindowSize(gfx::Size* size) {
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gfx::Size window = window_->GetWindowBoundsInScreen().size();
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gfx::Size client = window_->GetClientAreaBoundsInScreen().size();
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size->set_width(size->width() + window.width() - client.width());
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size->set_height(size->height() + window.height() - client.height());
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|
}
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|
|
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void NativeWindowWin::OnViewWasResized() {
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// Set the window shape of the RWHV.
|
|
gfx::Size sz = web_view_->size();
|
|
int height = sz.height(), width = sz.width();
|
|
gfx::Path path;
|
|
path.addRect(0, 0, width, height);
|
|
SetWindowRgn(web_contents()->GetView()->GetNativeView(),
|
|
path.CreateNativeRegion(),
|
|
1);
|
|
|
|
SkRegion* rgn = new SkRegion;
|
|
if (!window_->IsFullscreen() && !window_->IsMaximized()) {
|
|
if (draggable_region())
|
|
rgn->op(*draggable_region(), SkRegion::kUnion_Op);
|
|
|
|
if (!has_frame_ && CanResize()) {
|
|
rgn->op(0, 0, width, kResizeInsideBoundsSize, SkRegion::kUnion_Op);
|
|
rgn->op(0, 0, kResizeInsideBoundsSize, height, SkRegion::kUnion_Op);
|
|
rgn->op(width - kResizeInsideBoundsSize, 0, width, height,
|
|
SkRegion::kUnion_Op);
|
|
rgn->op(0, height - kResizeInsideBoundsSize, width, height,
|
|
SkRegion::kUnion_Op);
|
|
}
|
|
}
|
|
|
|
content::WebContents* web_contents = GetWebContents();
|
|
if (web_contents->GetRenderViewHost()->GetView())
|
|
web_contents->GetRenderViewHost()->GetView()->SetClickthroughRegion(rgn);
|
|
}
|
|
|
|
void NativeWindowWin::RegisterAccelerators() {
|
|
views::FocusManager* focus_manager = GetFocusManager();
|
|
accelerator_table_.clear();
|
|
focus_manager->UnregisterAccelerators(this);
|
|
|
|
accelerator_util::GenerateAcceleratorTable(&accelerator_table_,
|
|
menu_->model());
|
|
accelerator_util::AcceleratorTable::const_iterator iter;
|
|
for (iter = accelerator_table_.begin();
|
|
iter != accelerator_table_.end();
|
|
++iter) {
|
|
focus_manager->RegisterAccelerator(
|
|
iter->first, ui::AcceleratorManager::kNormalPriority, this);
|
|
}
|
|
}
|
|
|
|
// static
|
|
NativeWindow* NativeWindow::Create(content::WebContents* web_contents,
|
|
base::DictionaryValue* options) {
|
|
return new NativeWindowWin(web_contents, options);
|
|
}
|
|
|
|
} // namespace atom
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