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-rw-r--r--chrome/renderer/print_web_view_helper.cc562
1 files changed, 281 insertions, 281 deletions
diff --git a/chrome/renderer/print_web_view_helper.cc b/chrome/renderer/print_web_view_helper.cc
index d8ba139..b9505d8 100644
--- a/chrome/renderer/print_web_view_helper.cc
+++ b/chrome/renderer/print_web_view_helper.cc
@@ -1,281 +1,281 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/renderer/print_web_view_helper.h"
-
-#include "app/l10n_util.h"
-#include "base/logging.h"
-#include "base/gfx/size.h"
-#include "chrome/common/render_messages.h"
-#include "chrome/renderer/render_view.h"
-#include "grit/generated_resources.h"
-#include "printing/units.h"
-#include "webkit/api/public/WebScreenInfo.h"
-#include "webkit/api/public/WebSize.h"
-#include "webkit/glue/webframe.h"
-#include "webkit/glue/weburlrequest.h"
-
-#if defined(OS_WIN)
-#include "chrome/common/gfx/emf.h"
-#include "skia/ext/vector_canvas.h"
-#endif
-
-
-void PrintWebViewHelper::SyncPrint(WebFrame* frame) {
-#if defined(OS_WIN)
- // Retrieve the default print settings to calculate the expected number of
- // pages.
- ViewMsg_Print_Params default_settings;
-
- IPC::SyncMessage* msg =
- new ViewHostMsg_GetDefaultPrintSettings(routing_id(), &default_settings);
- if (Send(msg)) {
- msg = NULL;
- // Check if the printer returned any settings, if the settings is empty, we
- // can safely assume there are no printer drivers configured. So we safely
- // terminate.
- if (default_settings.IsEmpty()) {
- RunJavaScriptAlert(frame,
- l10n_util::GetString(IDS_DEFAULT_PRINTER_NOT_FOUND_WARNING_TITLE));
- return;
- }
-
- // Continue only if the settings are valid.
- if (default_settings.dpi && default_settings.document_cookie) {
- int expected_pages_count = 0;
- gfx::Size canvas_size;
- canvas_size.set_width(
- printing::ConvertUnit(default_settings.printable_size.width(),
- static_cast<int>(default_settings.dpi),
- default_settings.desired_dpi));
- canvas_size.set_height(
- printing::ConvertUnit(default_settings.printable_size.height(),
- static_cast<int>(default_settings.dpi),
- default_settings.desired_dpi));
- frame->BeginPrint(canvas_size, &expected_pages_count);
- DCHECK(expected_pages_count);
- frame->EndPrint();
-
- // Ask the browser to show UI to retrieve the final print settings.
- ViewMsg_PrintPages_Params print_settings;
- // host_window_ may be NULL at this point if the current window is a popup
- // and the print() command has been issued from the parent. The receiver
- // of this message has to deal with this.
- msg = new ViewHostMsg_ScriptedPrint(routing_id(),
- render_view_->host_window(),
- default_settings.document_cookie,
- expected_pages_count,
- &print_settings);
- if (Send(msg)) {
- msg = NULL;
-
- // If the settings are invalid, early quit.
- if (print_settings.params.dpi &&
- print_settings.params.document_cookie) {
- // Render the printed pages. It will implicitly revert the document to
- // display CSS media type.
- PrintPages(print_settings, frame);
- // All went well.
- return;
- } else {
- // The user cancelled.
- }
- } else {
- // Send() failed.
- NOTREACHED();
- }
- } else {
- // The user cancelled.
- }
- } else {
- // Send() failed.
- NOTREACHED();
- }
- // TODO(maruel): bug 1123882 Alert the user that printing failed.
-#else // defined(OS_WIN)
- // TODO(port): print not implemented
- NOTIMPLEMENTED();
-#endif
-}
-
-void PrintWebViewHelper::PrintPages(const ViewMsg_PrintPages_Params& params,
- WebFrame* frame) {
- int page_count = 0;
- gfx::Size canvas_size;
- canvas_size.set_width(
- printing::ConvertUnit(params.params.printable_size.width(),
- static_cast<int>(params.params.dpi),
- params.params.desired_dpi));
- canvas_size.set_height(
- printing::ConvertUnit(params.params.printable_size.height(),
- static_cast<int>(params.params.dpi),
- params.params.desired_dpi));
- frame->BeginPrint(canvas_size, &page_count);
- Send(new ViewHostMsg_DidGetPrintedPagesCount(routing_id(),
- params.params.document_cookie,
- page_count));
- if (page_count) {
- ViewMsg_PrintPage_Params page_params;
- page_params.params = params.params;
- if (params.pages.empty()) {
- for (int i = 0; i < page_count; ++i) {
- page_params.page_number = i;
- PrintPage(page_params, canvas_size, frame);
- }
- } else {
- for (size_t i = 0; i < params.pages.size(); ++i) {
- page_params.page_number = params.pages[i];
- PrintPage(page_params, canvas_size, frame);
- }
- }
- }
- frame->EndPrint();
-}
-
-void PrintWebViewHelper::PrintPage(const ViewMsg_PrintPage_Params& params,
- const gfx::Size& canvas_size,
- WebFrame* frame) {
-#if defined(OS_WIN)
- // Generate a memory-based EMF file. The EMF will use the current screen's
- // DPI.
- gfx::Emf emf;
-
- emf.CreateDc(NULL, NULL);
- HDC hdc = emf.hdc();
- DCHECK(hdc);
- skia::PlatformDeviceWin::InitializeDC(hdc);
- // Since WebKit extends the page width depending on the magical shrink
- // factor we make sure the canvas covers the worst case scenario
- // (x2.0 currently). PrintContext will then set the correct clipping region.
- int size_x = static_cast<int>(canvas_size.width() * params.params.max_shrink);
- int size_y = static_cast<int>(canvas_size.height() *
- params.params.max_shrink);
- // Calculate the dpi adjustment.
- float shrink = static_cast<float>(canvas_size.width()) /
- params.params.printable_size.width();
-#if 0
- // TODO(maruel): This code is kept for testing until the 100% GDI drawing
- // code is stable. maruels use this code's output as a reference when the
- // GDI drawing code fails.
-
- // Mix of Skia and GDI based.
- skia::PlatformCanvasWin canvas(size_x, size_y, true);
- canvas.drawARGB(255, 255, 255, 255, SkPorterDuff::kSrc_Mode);
- float webkit_shrink = frame->PrintPage(params.page_number, &canvas);
- if (shrink <= 0) {
- NOTREACHED() << "Printing page " << params.page_number << " failed.";
- } else {
- // Update the dpi adjustment with the "page shrink" calculated in webkit.
- shrink /= webkit_shrink;
- }
-
- // Create a BMP v4 header that we can serialize.
- BITMAPV4HEADER bitmap_header;
- gfx::CreateBitmapV4Header(size_x, size_y, &bitmap_header);
- const SkBitmap& src_bmp = canvas.getDevice()->accessBitmap(true);
- SkAutoLockPixels src_lock(src_bmp);
- int retval = StretchDIBits(hdc,
- 0,
- 0,
- size_x, size_y,
- 0, 0,
- size_x, size_y,
- src_bmp.getPixels(),
- reinterpret_cast<BITMAPINFO*>(&bitmap_header),
- DIB_RGB_COLORS,
- SRCCOPY);
- DCHECK(retval != GDI_ERROR);
-#else
- // 100% GDI based.
- skia::VectorCanvas canvas(hdc, size_x, size_y);
- float webkit_shrink = frame->PrintPage(params.page_number, &canvas);
- if (shrink <= 0) {
- NOTREACHED() << "Printing page " << params.page_number << " failed.";
- } else {
- // Update the dpi adjustment with the "page shrink" calculated in webkit.
- shrink /= webkit_shrink;
- }
-#endif
-
- // Done printing. Close the device context to retrieve the compiled EMF.
- if (!emf.CloseDc()) {
- NOTREACHED() << "EMF failed";
- }
-
- // Get the size of the compiled EMF.
- unsigned buf_size = emf.GetDataSize();
- DCHECK_GT(buf_size, 128u);
- ViewHostMsg_DidPrintPage_Params page_params;
- page_params.data_size = 0;
- page_params.emf_data_handle = NULL;
- page_params.page_number = params.page_number;
- page_params.document_cookie = params.params.document_cookie;
- page_params.actual_shrink = shrink;
- base::SharedMemory shared_buf;
-
- // http://msdn2.microsoft.com/en-us/library/ms535522.aspx
- // Windows 2000/XP: When a page in a spooled file exceeds approximately 350
- // MB, it can fail to print and not send an error message.
- if (buf_size < 350*1024*1024) {
- // Allocate a shared memory buffer to hold the generated EMF data.
- if (shared_buf.Create(L"", false, false, buf_size) &&
- shared_buf.Map(buf_size)) {
- // Copy the bits into shared memory.
- if (emf.GetData(shared_buf.memory(), buf_size)) {
- page_params.emf_data_handle = shared_buf.handle();
- page_params.data_size = buf_size;
- } else {
- NOTREACHED() << "GetData() failed";
- }
- shared_buf.Unmap();
- } else {
- NOTREACHED() << "Buffer allocation failed";
- }
- } else {
- NOTREACHED() << "Buffer too large: " << buf_size;
- }
- emf.CloseEmf();
- if (Send(new ViewHostMsg_DuplicateSection(routing_id(),
- page_params.emf_data_handle,
- &page_params.emf_data_handle))) {
- Send(new ViewHostMsg_DidPrintPage(routing_id(), page_params));
- }
-#else // defined(OS_WIN)
- // TODO(port) implement printing
- NOTIMPLEMENTED();
-#endif
-}
-
-bool PrintWebViewHelper::Send(IPC::Message* msg) {
- return render_view_->Send(msg);
-}
-
-int32 PrintWebViewHelper::routing_id() {
- return render_view_->routing_id();
-}
-
-void PrintWebViewHelper::GetWindowRect(WebWidget* webwidget,
- WebKit::WebRect* rect) {
- NOTREACHED();
-}
-
-void PrintWebViewHelper::DidStopLoading(WebView* webview) {
- NOTREACHED();
-}
-
-WebKit::WebScreenInfo PrintWebViewHelper::GetScreenInfo(WebWidget* webwidget) {
- WebKit::WebScreenInfo info;
- NOTREACHED();
- return info;
-}
-
-gfx::NativeViewId PrintWebViewHelper::GetContainingView(WebWidget* webwidget) {
- NOTREACHED();
- return gfx::NativeViewId();
-}
-
-bool PrintWebViewHelper::IsHidden(WebWidget* webwidget) {
- NOTREACHED();
- return true;
-}
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/renderer/print_web_view_helper.h"
+
+#include "app/l10n_util.h"
+#include "base/logging.h"
+#include "base/gfx/size.h"
+#include "chrome/common/render_messages.h"
+#include "chrome/renderer/render_view.h"
+#include "grit/generated_resources.h"
+#include "printing/units.h"
+#include "webkit/api/public/WebScreenInfo.h"
+#include "webkit/api/public/WebSize.h"
+#include "webkit/glue/webframe.h"
+#include "webkit/glue/weburlrequest.h"
+
+#if defined(OS_WIN)
+#include "chrome/common/gfx/emf.h"
+#include "skia/ext/vector_canvas.h"
+#endif
+
+
+void PrintWebViewHelper::SyncPrint(WebFrame* frame) {
+#if defined(OS_WIN)
+ // Retrieve the default print settings to calculate the expected number of
+ // pages.
+ ViewMsg_Print_Params default_settings;
+
+ IPC::SyncMessage* msg =
+ new ViewHostMsg_GetDefaultPrintSettings(routing_id(), &default_settings);
+ if (Send(msg)) {
+ msg = NULL;
+ // Check if the printer returned any settings, if the settings is empty, we
+ // can safely assume there are no printer drivers configured. So we safely
+ // terminate.
+ if (default_settings.IsEmpty()) {
+ RunJavaScriptAlert(frame,
+ l10n_util::GetString(IDS_DEFAULT_PRINTER_NOT_FOUND_WARNING_TITLE));
+ return;
+ }
+
+ // Continue only if the settings are valid.
+ if (default_settings.dpi && default_settings.document_cookie) {
+ int expected_pages_count = 0;
+ gfx::Size canvas_size;
+ canvas_size.set_width(
+ printing::ConvertUnit(default_settings.printable_size.width(),
+ static_cast<int>(default_settings.dpi),
+ default_settings.desired_dpi));
+ canvas_size.set_height(
+ printing::ConvertUnit(default_settings.printable_size.height(),
+ static_cast<int>(default_settings.dpi),
+ default_settings.desired_dpi));
+ frame->BeginPrint(canvas_size, &expected_pages_count);
+ DCHECK(expected_pages_count);
+ frame->EndPrint();
+
+ // Ask the browser to show UI to retrieve the final print settings.
+ ViewMsg_PrintPages_Params print_settings;
+ // host_window_ may be NULL at this point if the current window is a popup
+ // and the print() command has been issued from the parent. The receiver
+ // of this message has to deal with this.
+ msg = new ViewHostMsg_ScriptedPrint(routing_id(),
+ render_view_->host_window(),
+ default_settings.document_cookie,
+ expected_pages_count,
+ &print_settings);
+ if (Send(msg)) {
+ msg = NULL;
+
+ // If the settings are invalid, early quit.
+ if (print_settings.params.dpi &&
+ print_settings.params.document_cookie) {
+ // Render the printed pages. It will implicitly revert the document to
+ // display CSS media type.
+ PrintPages(print_settings, frame);
+ // All went well.
+ return;
+ } else {
+ // The user cancelled.
+ }
+ } else {
+ // Send() failed.
+ NOTREACHED();
+ }
+ } else {
+ // The user cancelled.
+ }
+ } else {
+ // Send() failed.
+ NOTREACHED();
+ }
+ // TODO(maruel): bug 1123882 Alert the user that printing failed.
+#else // defined(OS_WIN)
+ // TODO(port): print not implemented
+ NOTIMPLEMENTED();
+#endif
+}
+
+void PrintWebViewHelper::PrintPages(const ViewMsg_PrintPages_Params& params,
+ WebFrame* frame) {
+ int page_count = 0;
+ gfx::Size canvas_size;
+ canvas_size.set_width(
+ printing::ConvertUnit(params.params.printable_size.width(),
+ static_cast<int>(params.params.dpi),
+ params.params.desired_dpi));
+ canvas_size.set_height(
+ printing::ConvertUnit(params.params.printable_size.height(),
+ static_cast<int>(params.params.dpi),
+ params.params.desired_dpi));
+ frame->BeginPrint(canvas_size, &page_count);
+ Send(new ViewHostMsg_DidGetPrintedPagesCount(routing_id(),
+ params.params.document_cookie,
+ page_count));
+ if (page_count) {
+ ViewMsg_PrintPage_Params page_params;
+ page_params.params = params.params;
+ if (params.pages.empty()) {
+ for (int i = 0; i < page_count; ++i) {
+ page_params.page_number = i;
+ PrintPage(page_params, canvas_size, frame);
+ }
+ } else {
+ for (size_t i = 0; i < params.pages.size(); ++i) {
+ page_params.page_number = params.pages[i];
+ PrintPage(page_params, canvas_size, frame);
+ }
+ }
+ }
+ frame->EndPrint();
+}
+
+void PrintWebViewHelper::PrintPage(const ViewMsg_PrintPage_Params& params,
+ const gfx::Size& canvas_size,
+ WebFrame* frame) {
+#if defined(OS_WIN)
+ // Generate a memory-based EMF file. The EMF will use the current screen's
+ // DPI.
+ gfx::Emf emf;
+
+ emf.CreateDc(NULL, NULL);
+ HDC hdc = emf.hdc();
+ DCHECK(hdc);
+ skia::PlatformDeviceWin::InitializeDC(hdc);
+ // Since WebKit extends the page width depending on the magical shrink
+ // factor we make sure the canvas covers the worst case scenario
+ // (x2.0 currently). PrintContext will then set the correct clipping region.
+ int size_x = static_cast<int>(canvas_size.width() * params.params.max_shrink);
+ int size_y = static_cast<int>(canvas_size.height() *
+ params.params.max_shrink);
+ // Calculate the dpi adjustment.
+ float shrink = static_cast<float>(canvas_size.width()) /
+ params.params.printable_size.width();
+#if 0
+ // TODO(maruel): This code is kept for testing until the 100% GDI drawing
+ // code is stable. maruels use this code's output as a reference when the
+ // GDI drawing code fails.
+
+ // Mix of Skia and GDI based.
+ skia::PlatformCanvasWin canvas(size_x, size_y, true);
+ canvas.drawARGB(255, 255, 255, 255, SkPorterDuff::kSrc_Mode);
+ float webkit_shrink = frame->PrintPage(params.page_number, &canvas);
+ if (shrink <= 0) {
+ NOTREACHED() << "Printing page " << params.page_number << " failed.";
+ } else {
+ // Update the dpi adjustment with the "page shrink" calculated in webkit.
+ shrink /= webkit_shrink;
+ }
+
+ // Create a BMP v4 header that we can serialize.
+ BITMAPV4HEADER bitmap_header;
+ gfx::CreateBitmapV4Header(size_x, size_y, &bitmap_header);
+ const SkBitmap& src_bmp = canvas.getDevice()->accessBitmap(true);
+ SkAutoLockPixels src_lock(src_bmp);
+ int retval = StretchDIBits(hdc,
+ 0,
+ 0,
+ size_x, size_y,
+ 0, 0,
+ size_x, size_y,
+ src_bmp.getPixels(),
+ reinterpret_cast<BITMAPINFO*>(&bitmap_header),
+ DIB_RGB_COLORS,
+ SRCCOPY);
+ DCHECK(retval != GDI_ERROR);
+#else
+ // 100% GDI based.
+ skia::VectorCanvas canvas(hdc, size_x, size_y);
+ float webkit_shrink = frame->PrintPage(params.page_number, &canvas);
+ if (shrink <= 0) {
+ NOTREACHED() << "Printing page " << params.page_number << " failed.";
+ } else {
+ // Update the dpi adjustment with the "page shrink" calculated in webkit.
+ shrink /= webkit_shrink;
+ }
+#endif
+
+ // Done printing. Close the device context to retrieve the compiled EMF.
+ if (!emf.CloseDc()) {
+ NOTREACHED() << "EMF failed";
+ }
+
+ // Get the size of the compiled EMF.
+ unsigned buf_size = emf.GetDataSize();
+ DCHECK_GT(buf_size, 128u);
+ ViewHostMsg_DidPrintPage_Params page_params;
+ page_params.data_size = 0;
+ page_params.emf_data_handle = NULL;
+ page_params.page_number = params.page_number;
+ page_params.document_cookie = params.params.document_cookie;
+ page_params.actual_shrink = shrink;
+ base::SharedMemory shared_buf;
+
+ // http://msdn2.microsoft.com/en-us/library/ms535522.aspx
+ // Windows 2000/XP: When a page in a spooled file exceeds approximately 350
+ // MB, it can fail to print and not send an error message.
+ if (buf_size < 350*1024*1024) {
+ // Allocate a shared memory buffer to hold the generated EMF data.
+ if (shared_buf.Create(L"", false, false, buf_size) &&
+ shared_buf.Map(buf_size)) {
+ // Copy the bits into shared memory.
+ if (emf.GetData(shared_buf.memory(), buf_size)) {
+ page_params.emf_data_handle = shared_buf.handle();
+ page_params.data_size = buf_size;
+ } else {
+ NOTREACHED() << "GetData() failed";
+ }
+ shared_buf.Unmap();
+ } else {
+ NOTREACHED() << "Buffer allocation failed";
+ }
+ } else {
+ NOTREACHED() << "Buffer too large: " << buf_size;
+ }
+ emf.CloseEmf();
+ if (Send(new ViewHostMsg_DuplicateSection(routing_id(),
+ page_params.emf_data_handle,
+ &page_params.emf_data_handle))) {
+ Send(new ViewHostMsg_DidPrintPage(routing_id(), page_params));
+ }
+#else // defined(OS_WIN)
+ // TODO(port) implement printing
+ NOTIMPLEMENTED();
+#endif
+}
+
+bool PrintWebViewHelper::Send(IPC::Message* msg) {
+ return render_view_->Send(msg);
+}
+
+int32 PrintWebViewHelper::routing_id() {
+ return render_view_->routing_id();
+}
+
+void PrintWebViewHelper::GetWindowRect(WebWidget* webwidget,
+ WebKit::WebRect* rect) {
+ NOTREACHED();
+}
+
+void PrintWebViewHelper::DidStopLoading(WebView* webview) {
+ NOTREACHED();
+}
+
+WebKit::WebScreenInfo PrintWebViewHelper::GetScreenInfo(WebWidget* webwidget) {
+ WebKit::WebScreenInfo info;
+ NOTREACHED();
+ return info;
+}
+
+gfx::NativeViewId PrintWebViewHelper::GetContainingView(WebWidget* webwidget) {
+ NOTREACHED();
+ return gfx::NativeViewId();
+}
+
+bool PrintWebViewHelper::IsHidden(WebWidget* webwidget) {
+ NOTREACHED();
+ return true;
+}
generated by cgit v1.1 at 2025-01-17 23:06:20 +0000