diff options
Diffstat (limited to 'chromium/mojo/services/native_viewport/native_viewport_win.cc')
| -rw-r--r-- | chromium/mojo/services/native_viewport/native_viewport_win.cc | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/chromium/mojo/services/native_viewport/native_viewport_win.cc b/chromium/mojo/services/native_viewport/native_viewport_win.cc new file mode 100644 index 00000000000..52ff6cb6f0a --- /dev/null +++ b/chromium/mojo/services/native_viewport/native_viewport_win.cc @@ -0,0 +1,167 @@ +// Copyright 2013 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 "mojo/services/native_viewport/native_viewport.h" + +#include "ui/events/event.h" +#include "ui/gfx/win/msg_util.h" +#include "ui/gfx/win/window_impl.h" + +namespace mojo { +namespace services { +namespace { + +gfx::Rect GetWindowBoundsForClientBounds(DWORD style, DWORD ex_style, + const gfx::Rect& bounds) { + RECT wr; + wr.left = bounds.x(); + wr.top = bounds.y(); + wr.right = bounds.x() + bounds.width(); + wr.bottom = bounds.y() + bounds.height(); + AdjustWindowRectEx(&wr, style, FALSE, ex_style); + + // Make sure to keep the window onscreen, as AdjustWindowRectEx() may have + // moved part of it offscreen. + gfx::Rect window_bounds(wr.left, wr.top, + wr.right - wr.left, wr.bottom - wr.top); + window_bounds.set_x(std::max(0, window_bounds.x())); + window_bounds.set_y(std::max(0, window_bounds.y())); + return window_bounds; +} + +} + +class NativeViewportWin : public gfx::WindowImpl, + public NativeViewport { + public: + explicit NativeViewportWin(NativeViewportDelegate* delegate) + : delegate_(delegate) { + } + virtual ~NativeViewportWin() { + if (IsWindow(hwnd())) + DestroyWindow(hwnd()); + } + + private: + // Overridden from NativeViewport: + virtual void Init(const gfx::Rect& bounds) OVERRIDE { + gfx::Rect window_bounds = GetWindowBoundsForClientBounds( + WS_OVERLAPPEDWINDOW, window_ex_style(), bounds); + gfx::WindowImpl::Init(NULL, window_bounds); + SetWindowText(hwnd(), L"native_viewport::NativeViewportWin!"); + } + + virtual void Show() OVERRIDE { + ShowWindow(hwnd(), SW_SHOWNORMAL); + } + + virtual void Hide() OVERRIDE { + ShowWindow(hwnd(), SW_HIDE); + } + + virtual void Close() OVERRIDE { + DestroyWindow(hwnd()); + } + + virtual gfx::Size GetSize() OVERRIDE { + RECT cr; + GetClientRect(hwnd(), &cr); + return gfx::Size(cr.right - cr.left, cr.bottom - cr.top); + } + + virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE { + gfx::Rect window_bounds = GetWindowBoundsForClientBounds( + GetWindowLong(hwnd(), GWL_STYLE), + GetWindowLong(hwnd(), GWL_EXSTYLE), + bounds); + SetWindowPos(hwnd(), NULL, window_bounds.x(), window_bounds.y(), + window_bounds.width(), window_bounds.height(), + SWP_NOREPOSITION); + } + + virtual void SetCapture() OVERRIDE { + DCHECK(::GetCapture() != hwnd()); + ::SetCapture(hwnd()); + } + + virtual void ReleaseCapture() OVERRIDE { + if (::GetCapture() == hwnd()) + ::ReleaseCapture(); + } + + CR_BEGIN_MSG_MAP_EX(NativeViewportWin) + CR_MESSAGE_RANGE_HANDLER_EX(WM_MOUSEFIRST, WM_MOUSELAST, OnMouseRange) + + CR_MESSAGE_HANDLER_EX(WM_KEYDOWN, OnKeyEvent) + CR_MESSAGE_HANDLER_EX(WM_KEYUP, OnKeyEvent) + CR_MESSAGE_HANDLER_EX(WM_SYSKEYDOWN, OnKeyEvent) + CR_MESSAGE_HANDLER_EX(WM_SYSKEYUP, OnKeyEvent) + CR_MESSAGE_HANDLER_EX(WM_CHAR, OnKeyEvent) + CR_MESSAGE_HANDLER_EX(WM_SYSCHAR, OnKeyEvent) + CR_MESSAGE_HANDLER_EX(WM_IME_CHAR, OnKeyEvent) + + CR_MSG_WM_CREATE(OnCreate) + CR_MSG_WM_DESTROY(OnDestroy) + CR_MSG_WM_PAINT(OnPaint) + CR_MSG_WM_WINDOWPOSCHANGED(OnWindowPosChanged) + CR_END_MSG_MAP() + + LRESULT OnMouseRange(UINT message, WPARAM w_param, LPARAM l_param) { + MSG msg = { hwnd(), message, w_param, l_param, 0, + { CR_GET_X_LPARAM(l_param), CR_GET_Y_LPARAM(l_param) } }; + ui::MouseEvent event(msg); + SetMsgHandled(delegate_->OnEvent(&event)); + return 0; + } + LRESULT OnKeyEvent(UINT message, WPARAM w_param, LPARAM l_param) { + MSG msg = { hwnd(), message, w_param, l_param }; + ui::KeyEvent event(msg, message == WM_CHAR); + SetMsgHandled(delegate_->OnEvent(&event)); + return 0; + } + LRESULT OnCreate(CREATESTRUCT* create_struct) { + delegate_->OnAcceleratedWidgetAvailable(hwnd()); + return 0; + } + void OnDestroy() { + delegate_->OnDestroyed(); + } + void OnPaint(HDC) { + RECT cr; + GetClientRect(hwnd(), &cr); + + PAINTSTRUCT ps; + HDC dc = BeginPaint(hwnd(), &ps); + HBRUSH red_brush = CreateSolidBrush(RGB(255, 0, 0)); + HGDIOBJ old_object = SelectObject(dc, red_brush); + Rectangle(dc, cr.left, cr.top, cr.right, cr.bottom); + SelectObject(dc, old_object); + DeleteObject(red_brush); + EndPaint(hwnd(), &ps); + } + void OnWindowPosChanged(WINDOWPOS* window_pos) { + if (!(window_pos->flags & SWP_NOSIZE) || + !(window_pos->flags & SWP_NOMOVE)) { + RECT cr; + GetClientRect(hwnd(), &cr); + delegate_->OnBoundsChanged( + gfx::Rect(window_pos->x, window_pos->y, + cr.right - cr.left, cr.bottom - cr.top)); + } + } + + NativeViewportDelegate* delegate_; + + DISALLOW_COPY_AND_ASSIGN(NativeViewportWin); +}; + +// static +scoped_ptr<NativeViewport> NativeViewport::Create( + shell::Context* context, + NativeViewportDelegate* delegate) { + return scoped_ptr<NativeViewport>(new NativeViewportWin(delegate)).Pass(); +} + +} // namespace services +} // namespace mojo |