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Diffstat (limited to 'win8/metro_driver/print_document_source.h')
| -rw-r--r-- | win8/metro_driver/print_document_source.h | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/win8/metro_driver/print_document_source.h b/win8/metro_driver/print_document_source.h deleted file mode 100644 index 8f3d53b..0000000 --- a/win8/metro_driver/print_document_source.h +++ /dev/null @@ -1,165 +0,0 @@ -// Copyright (c) 2012 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. - -#ifndef CHROME_BROWSER_UI_METRO_DRIVER_PRINT_DOCUMENT_SOURCE_H_ -#define CHROME_BROWSER_UI_METRO_DRIVER_PRINT_DOCUMENT_SOURCE_H_ - -#include <documentsource.h> -#include <printpreview.h> -#include <stddef.h> -#include <stdint.h> -#include <windows.graphics.printing.h> - -#include <vector> - -#include "base/memory/ref_counted.h" -#include "base/memory/scoped_vector.h" -#include "base/synchronization/condition_variable.h" -#include "base/synchronization/waitable_event.h" -#include "win8/metro_driver/winrt_utils.h" - -// Hack to be removed once we don't need to build with an SDK earlier than -// 8441 where the name of the interface has been changed. -// TODO(mad): remove once we don't run mixed SDK/OS anymore. -#ifndef __IPrintPreviewDxgiPackageTarget_FWD_DEFINED__ -typedef IPrintPreviewDXGIPackageTarget IPrintPreviewDxgiPackageTarget; -#endif - - -namespace base { -class Lock; -}; // namespace base - -namespace metro_driver { - -// This class is given to Metro as a source for print documents. -// The methodless IPrintDocumentSource interface is used to identify it as such. -// Then, the other interfaces are used to generate preview and print documents. -// It also exposes a few methods for the print handler to control the document. -class PrintDocumentSource - : public mswr::RuntimeClass< - mswr::RuntimeClassFlags<mswr::WinRtClassicComMix>, - wingfx::Printing::IPrintDocumentSource, - IPrintDocumentPageSource, - IPrintPreviewPageCollection> { - public: - // A set of interfaces for the DirectX context that our parent owns - // and that don't need to change from document to document. - struct DirectXContext { - DirectXContext() {} - DirectXContext(ID3D11Device1* device_3d, - ID2D1Factory1* factory_2d, - ID2D1Device* device_2d, - ID2D1DeviceContext* context_2d, - IWICImagingFactory2* factory_wic) - : d3d_device(device_3d), - d2d_factory(factory_2d), - d2d_device(device_2d), - d2d_context(context_2d), - wic_factory(factory_wic) { - } - DirectXContext(const DirectXContext& other) - : d3d_device(other.d3d_device), - d2d_factory(other.d2d_factory), - d2d_device(other.d2d_device), - d2d_context(other.d2d_context), - wic_factory(other.wic_factory) { - } - mswr::ComPtr<ID3D11Device1> d3d_device; - mswr::ComPtr<ID2D1Factory1> d2d_factory; - mswr::ComPtr<ID2D1Device> d2d_device; - mswr::ComPtr<ID2D1DeviceContext> d2d_context; - mswr::ComPtr<IWICImagingFactory2> wic_factory; - }; - - // Construction / Initialization. - explicit PrintDocumentSource(); - HRESULT RuntimeClassInitialize(const DirectXContext& directx_context, - base::Lock* parent_lock); - // Aborts any pending asynchronous operation. - void Abort(); - - // classic COM interface IPrintDocumentPageSource methods - STDMETHOD(GetPreviewPageCollection) ( - IPrintDocumentPackageTarget* package_target, - IPrintPreviewPageCollection** page_collection); - STDMETHOD(MakeDocument)(IInspectable* options, - IPrintDocumentPackageTarget* package_target); - - // classic COM interface IPrintPreviewPageCollection methods - STDMETHOD(Paginate)(uint32_t page, IInspectable* options); - STDMETHOD(MakePage)(uint32_t desired_page, float width, float height); - - // If the screen DPI changes, we must be warned here. - void ResetDpi(float dpi); - - // When the page count is known, this is called and we can setup our data. - void SetPageCount(size_t page_count); - - // Every time a page is ready, this is called and we can read the data if - // we were waiting for it, or store it for later use. - void AddPage(size_t page_number, IStream* metafile_stream); - - private: - // Print the page given in the metafile stream to the given print control. - HRESULT PrintPage(ID2D1PrintControl* print_control, - ID2D1GdiMetafile* metafile_stream, - D2D1_SIZE_F pageSize); - - // Helper function to wait for the page count to be ready. - // Returns 0 when aborted. - size_t WaitAndGetPageCount(); - - // Helper function to wait for a given page to be ready. - // Returns S_FALSE when aborted. - HRESULT WaitAndGetPage(size_t page_number, - ID2D1GdiMetafile** metafile_stream); - - DirectXContext directx_context_; - - // Once page data is available, it's added to this vector. - std::vector<mswr::ComPtr<IStream>> pages_; - - // When page count is set, the size of this vector is set to that number. - // Then, every time page data is added to pages_, the associated condition - // variable in this vector is signaled. This is only filled when we receive - // the page count, so we must wait on page_count_ready_ before accessing - // the content of this vector. - ScopedVector<base::ConditionVariable> pages_ready_state_; - - // This event is signaled when we receive a page count from Chrome. We should - // not receive any page data before the count, so we can check this event - // while waiting for pages too, in case we ask for page data before we got - // the count, so before we properly initialized pages_ready_state_. - base::WaitableEvent page_count_ready_; - - // The preview target interface set from within GetPreviewPageCollection - // but used from within MakePage. - mswr::ComPtr<IPrintPreviewDxgiPackageTarget> dxgi_preview_target_; - - // Our parent's lock (to make sure it is initialized and destroyed early - // enough), which we use to protect access to our data members. - base::Lock* parent_lock_; - - // The width/height requested in Paginate and used in MakePage. - // TODO(mad): Height is currently not used, and width is only used for - // scaling. We need to add a way to specify width and height when we request - // pages from Chrome. - float height_; - float width_; - - // The DPI is set by Windows and we need to give it to DirectX. - float dpi_; - - // A flag identiying that we have been aborted. Needed to properly handle - // asynchronous callbacks. - bool aborted_; - - // TODO(mad): remove once we don't run mixed SDK/OS anymore. - bool using_old_preview_interface_; -}; - -} // namespace metro_driver - -#endif // CHROME_BROWSER_UI_METRO_DRIVER_PRINT_DOCUMENT_SOURCE_H_ |